Form: 10-K

Annual report pursuant to Section 13 and 15(d)

February 28, 2008

Table of Contents

 
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
 
 
Form 10-K
 
     
þ
  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
    For the fiscal year ended December 31, 2007
OR
o
  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
    For the transition period from          to          
 
Commission file No. 1-13883
 
CALIFORNIA WATER SERVICE GROUP
(Exact name of registrant as specified in its charter)
 
     
Delaware
  77-0448994
(State or Other Jurisdiction of
Incorporation or Organization)
  (I.R.S. Employer
Identification No.)
     
1720 North First Street,
San Jose, California
(Address of Principal Executive Offices)
  95112
(Zip Code)
 
(408) 367-8200
(Registrant’s Telephone Number, including Area Code)
 
Securities registered pursuant to Section 12(b) of the Act:
 
     
Title of Each Class:
 
Name of Each Exchange on which Registered:
 
Common Stock, $0.01 par value per share
Preferred Share Purchase Rights
  New York Stock Exchange
New York Stock Exchange
 
Securities registered pursuant to Section 12(g) of the Act:
None
 
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Yes þ     No o
 
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 of Section 15(d) of the Act.  Yes o     No þ
 
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes þ     No o
 
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  o
 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):
 
             
 þ Large accelerated filer
  o Accelerated filer   o Non-accelerated filer
(Do not check if a smaller reporting company)
  o Smaller reporting company
 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).  Yes o     No þ
 
The aggregate market value of the voting and non-voting common stock held by non-affiliates of the registrant was $774.8 million on June 30, 2007, the last business day of the registrant’s most recently completed second fiscal quarter. The valuation is based on the closing price of the registrant’s common stock as traded on the New York Stock Exchange.
 
Common stock outstanding at February 22, 2008, — 20,666,204 shares.
 
DOCUMENTS INCORPORATED BY REFERENCE
 
Portions of the definitive proxy statement for the California Water Service Group 2008 Annual Meeting are incorporated by reference into Part III hereof.
 


Table of Contents

 
TABLE OF CONTENTS
 
         
        Page
 
  Business    1
    Forward-Looking Statement    1
    Overview    2
    Regulated Business    2
    Non-Regulated Business    3
    Operating Segment    4
    Growth    5
    Geographical Service Areas and Number of Customers at Year-end Rates and Regulation    5
    Rates and Regulations    6
    Seasonal Fluctuations    7
    Water Supply    8
    Utility Plant Construction   10
    Sale of Surplus Properties   11
    California Energy Situation   11
    Security at Company Facilities   11
    Quality of Water Supplies   11
    Competition and Condemnation   11
    Environmental Matters   12
    Employees   12
    Executive Officers of the Registrant   13
  Risk Factors   14
  Unresolved Staff Comments   24
  Properties   24
  Legal Proceedings   25
  Submission of Matters to a Vote of Security Holders   26
 
PART II
  Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities   26
  Selected Financial Data   29
  Management’s Discussion and Analysis of Financial Condition and Results of Operations   30
    Overview   30
    Critical Accounting Policies and Estimates   30
    Results of Operations   32
    Rates and Regulation   36
    Water Supply   41
    Liquidity and Capital Resources   41
  Quantitative and Qualitative Disclosures About Market Risk   46
  Financial Statements and Supplementary Data   48
  Changes in and Disagreements with Accountants on Accounting and Financial Disclosure   76
  Controls and Procedures   76
  Other Information   76


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        Page
 
PART III
  Directors and Executive Officers and Corporate Governance   76
  Executive Compensation   77
  Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters   77
  Certain Relationships and Related Transactions and Director Independence   77
  Principal Accountant Fees and Services   77
 
PART IV
  Exhibits, Financial Statement Schedules   78
    Signatures   79
    Exhibit Index   80
 EXHIBIT 21
 EXHIBIT 23.1
 EXHIBIT 31.1
 EXHIBIT 31.2
 EXHIBIT 32


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PART I
 
Item 1.   Business.
 
Forward-Looking Statements
 
This annual report, including all documents incorporated by reference, contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this annual report are based on currently available information, expectations, estimates, assumptions and projections, and our management’s beliefs, assumptions, judgments and expectations about us, the water utility industry and general economic conditions. These statements are not statements of historical fact. When used in our documents, statements that are not historical in nature, including words like “expects,” “intends,” “plans,” “believes,” “may,” “estimates,” “assumes,” “anticipates,” “projects,” “predicts,” “forecasts,” “should,” “seeks,” or variations of these words or similar expressions are intended to identify forward-looking statements. The forward-looking statements are not guarantees of future performance. They are based on numerous assumptions that we believe are reasonable, but they are open to a wide range of uncertainties and business risks. Consequently, actual results may vary materially from what is contained in a forward-looking statement.
 
Factors which may cause actual results to be different than those expected or anticipated include, but are not limited to:
 
  •  governmental and regulatory commissions’ decisions, including decisions on proper disposition of property;
 
  •  changes in regulatory commissions’ policies and procedures;
 
  •  the timeliness of regulatory commissions’ actions concerning rate relief;
 
  •  new legislation;
 
  •  changes in accounting valuations and estimates;
 
  •  the ability to satisfy requirements related to the Sarbanes-Oxley Act and other regulations on internal controls;
 
  •  electric power interruptions;
 
  •  increases in suppliers’ prices and the availability of supplies including water and power;
 
  •  fluctuations in interest rates;
 
  •  changes in environmental compliance and water quality requirements;
 
  •  acquisitions and the ability to successfully integrate acquired companies;
 
  •  the ability to successfully implement business plans;
 
  •  changes in customer water use patterns;
 
  •  the impact of weather on water sales and operating results;
 
  •  changes in the capital markets and access to sufficient capital on satisfactory terms;
 
  •  civil disturbances or terrorist threats or acts, or apprehension about the possible future occurrences of acts of this type;
 
  •  the involvement of the United States in war or other hostilities;
 
  •  our ability to attract and retain qualified employees;
 
  •  labor relations matters as we negotiate with the unions;
 
  •  restrictive covenants in or changes to the credit ratings on current or future debt that could increase financing costs or affect the ability to borrow, make payments on debt, or pay dividends; and
 
  •  the risks set forth in “Risk Factors” included elsewhere in this annual report.


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In light of these risks, uncertainties and assumptions, investors are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date of this annual report or as of the date of any document incorporated by reference in this report, as applicable. When considering forward-looking statements, investors should keep in mind the cautionary statements in this annual report and the documents incorporated by reference. We are not under any obligation, and we expressly disclaim any obligation, to update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.
 
Overview
 
California Water Service Group is a holding company incorporated in Delaware with six operating subsidiaries: California Water Service Company (Cal Water), New Mexico Water Service Company (New Mexico Water), Washington Water Service Company (Washington Water), Hawaii Water Service Company, Inc. (Hawaii Water), and CWS Utility Services and HWS Utility Services LLC (CWS Utility Services and HWS Utility Services LLC being referred to collectively in this annual report as Utility Services). Cal Water, New Mexico Water, Washington Water, and Hawaii Water are regulated public utilities. The regulated utility entities also provide some non-regulated services. Utility Services provides non-regulated services to private companies and municipalities. Cal Water was the original operating company and began operations in 1926.
 
Our business is conducted through our operating subsidiaries. The bulk of the business consists of the production, purchase, storage, treatment, testing, distribution and sale of water for domestic, industrial, public and irrigation uses, and for fire protection. We also provide non-regulated water-related services under agreements with municipalities and other private companies. The non-regulated services include full water system operation, billing and meter reading services. Non-regulated operations also include the lease of communication antenna sites, lab services, and promotion of other non-regulated services. Earnings may be significantly affected by the sale of surplus real properties if and when they occur.
 
During the year ended December 31, 2007, there were no significant changes in the kind of products produced or services rendered or those provided by our operating subsidiaries, or in the markets or methods of distribution.
 
Our mailing address and contact information is:
 
California Water Service Group
1720 North First Street
San Jose, California 95112-4598
telephone number: 408-367-8200
www.calwatergroup.com
 
Annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to these reports are available free of charge through our website. The reports are available on our website on the same day they appear on the SEC’s website.
 
Regulated Business
 
California water operations are conducted by the Cal Water and CWS Utility Services entities, which provide service to approximately 463,600 customers in 83 California communities through 26 separate districts. Of these 26 districts, 24 districts are regulated water systems, which are subject to regulation by the California Public Utilities Commission (CPUC). The other 2 districts, the City of Hawthorne and the City of Commerce, are governed through their respective city councils and are considered non-regulated because they are outside of the CPUC’s jurisdiction. California water operations account for approximately 95% of our total customers and approximately 96% of our total consolidated operating revenue.
 
Washington Water provides domestic water service to approximately 15,800 customers in the Tacoma and Olympia areas. Washington Water’s utility operations are regulated by the Washington Utilities and Transportation Commission. Washington Water accounts for approximately 3% of our total customers and approximately 2% of our total consolidated operating revenue.


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New Mexico Water provides service to approximately 7,500 water and wastewater customers in the Belen, Los Lunas and Elephant Butte areas in New Mexico. New Mexico’s regulated operations are subject to the jurisdiction of the New Mexico Public Regulation Commission. New Mexico Water accounts for approximately 1% of our total customers and approximately 1% of our total consolidated operating revenue.
 
Hawaii Water provides water service to approximately 700 customers on the island of Maui, including several large resorts and condominium complexes. Hawaii’s regulated operations are subject to the jurisdiction of the Hawaii Public Utilities Commission. Hawaii Water accounts for less than 1% of our total customers and approximately 1% of our total operating revenue. HWS Utility Services LLC was organized in 2007 and began non-regulated operations in January 2008.
 
The state regulatory bodies governing our regulated operations are referred to as the Commissions in this report. Rates and operations for regulated customers are subject to the jurisdiction of the respective state’s regulatory commission. The Commissions require that water and wastewater rates for each regulated district be independently determined. The Commissions are expected to authorize rates sufficient to recover normal operating expenses and allow the utility to earn a fair and reasonable return on invested capital.
 
We distribute water in accordance with accepted water utility methods. Where applicable, we hold franchises and permits in the cities and communities where we operate. The franchises and permits allow us to operate and maintain facilities in public streets and right- of-ways as necessary.
 
Non-Regulated Businesses
 
We operate the City of Hawthorne and the City of Commerce water systems under lease agreements. In accordance with the lease agreements, we receive all revenues from operating the systems and are responsible for paying the operating costs. Rates for the City of Hawthorne and City of Commerce water systems are established in accordance with operating agreements and are subject to ratification by the respective city councils. The City of Hawthorne lease is a 15-year lease and expires in 2011. The City of Commerce lease is a 15-year lease and expires in 2018. The terms of other operating agreements range from one-year to three-year periods with provisions for renewals.
 
In February 1996, we entered into an agreement to operate the City of Hawthorne water system. The system, which is located near the Hermosa-Redondo district, serves about half of Hawthorne’s population. The agreement required us to make an up-front $6.5 million lease payment to the city that is being amortized over the lease term. Additionally, annual lease payments of $0.1 million are made to the city and indexed to changes in water rates. Under the lease we are responsible for all aspects of system operation and capital improvements, although title to the system and system improvements reside with the city. At the end of the lease, the city is required to reimburse us for the unamortized value of capital improvements made during the term of the lease. In exchange, we receive all revenue from the water system, which was $5.4 million, $5.4 million and $5.8 million in 2007, 2006, and 2005, respectively.
 
In July 2003, an agreement was negotiated with the City of Commerce to lease and operate its water system. The lease requires us to pay $0.8 million per year in monthly installments and pay $200 per acre-foot for water usage exceeding 2,000 acre-feet per year plus a percentage of certain operational savings that may be realized. Under the lease agreement, we are responsible for all aspects of the system’s operations. The city is responsible for capital expenditures, and title to the system and system improvements resides with the city. We bear the risks of operation and collection of amounts billed to customers. The agreement includes a procedure to request rate changes for costs changes outside of our control and other cost changes. In exchange, we receive all revenue from the system, which totaled $1.7 million in each of the years 2007, 2006, and 2005.
 
The City of Hawthorne and the City of Commerce are governed through their respective city councils and are considered non-regulated because they are outside of the CPUC’s jurisdiction. We report revenue and expenses for the City of Hawthorne and City of Commerce leases in operating revenue and operating expenses because we are entitled to retain all customer billings and are generally responsible for all operating expenses.
 
Fees for other non-regulated activities are based on contracts negotiated between the parties. Under other contract arrangements, we operate municipally owned water systems, privately owned water systems, and recycled


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water distribution systems, but are not responsible for all operating costs. Non-regulated revenue received from water system operations is generally determined on a fee-per-customer basis. With the exception of the agreements for operation of the City of Hawthorne and City of Commerce water systems, revenue and expenses from non-regulated operations are accounted for in other income and expense on a pretax basis in the Consolidated Statements of Income.
 
In addition to the non-regulated services we provide for the City of Hawthorne and the City of Commerce, we also provide non-regulated water-related services to other municipalities and private companies. Non-regulated activities consist primarily of:
 
  •  operating water systems, which are owned by other entities;
 
  •  providing meter reading and billing services;
 
  •  leasing communication antenna sites on our properties;
 
  •  operating recycled water systems;
 
  •  providing lab services for water quality testing;
 
  •  Extended Service Protection (ESP) program covering repairs to customers’ water lines between water meter and home;
 
  •  selling surplus property, and
 
  •  other services as requested by the client.
 
The revenue from these activities is not included in operations revenue, and therefore is reported below operating profit on the income statement. Due to the variety of services provided and activities being outside of our core business, the number of customers is not tracked for these non-regulated activities, except customers for the City of Hawthorne and the City of Commerce.
 
In 2007, Hawaii Water operated a waste water system under a non-regulated contract arrangement while its application to acquire the system is being considered by the Hawaii Public Utilities Commission. We anticipate that the approval of Hawaii Water’s application will occur in 2008. In addition, we established a subsidiary, HWS Utility Services LLC, to operate numerous private and public water systems under contract arrangements in Hawaii. Washington Water operates numerous private water systems under contract arrangements.
 
We provide meter reading and customer billing services for several municipalities in California. We also provide sewer and refuse billing services to several municipalities.
 
We lease antenna sites to telecommunication companies, which place equipment at various Company-owned sites. Individual lease payments range from $700 to $2,600 per month. The antennas are used in cellular phone and personal communication applications. We continue to negotiate new leases for similar uses.
 
We provide laboratory services to San Jose Water Company, a 5% stockholder of Cal Water, and Great Oaks Water Company and for the systems under operation and maintenance agreements.
 
In 2006, we started an Extended Service Protection program (ESP). We have also partnered with Home Service USA to extend and enhance the ESP program to our customers. The ESP program covers certain repairs to residential customer’s water line between the meter and the home. Typically the utility is responsible for servicing and maintaining the water line up to and including the meter. The home owner is responsible for the water line from the meter to the house. Under the ESP program, residential customers can elect to purchase our ESP non-regulated product which provides protection in the event there are certain types of leaks in the customer’s water line.
 
Operating Segment
 
We operate primarily in one business segment, the supply and distribution of water and providing water-related utility services.


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Growth
 
We intend to continue exploring opportunities to expand our regulated and non-regulated businesses in the western United States. The opportunities could include system acquisitions, lease arrangements similar to the City of Hawthorne and City of Commerce contracts, full service system operation and maintenance agreements, meter reading, billing contracts and other utility-related services. Management believes that a holding company structure facilitates providing non-regulated utility services, which are not subject to any Commission’s jurisdiction.
 
Geographical Service Areas and Number of Customers at Year-end
 
Our principal markets are users of water within our service areas. Most of the geographical service areas that we service are regulated. In addition, the City of Hawthorne and City of Commerce are included due to similarities in structure and risk of operations. The approximate number of customers served in each district is as follows:
 
Regulated Customers, City of Hawthorne and City of Commerce Customers at December 31,
(rounded to the nearest hundred)
 
                 
    2007     2006  
 
SAN FRANCISCO BAY AREA
               
Mid-Peninsula (serving San Mateo and San Carlos)
    36,100       36,100  
South San Francisco (including Colma and Broadmoor)
    16,800       16,800  
Bear Gulch (serving portions of Menlo Park, Atherton, Woodside and Portola Valley)
    18,000       18,000  
Los Altos (including portions of Cupertino, Los Altos Hills, Mountain View and Sunnyvale)
    18,600       18,600  
Livermore
    18,200       18,200  
                 
      107,700       107,700  
                 
SACRAMENTO VALLEY
               
Chico (including Hamilton City)
    27,300       26,900  
Oroville
    3,600       3,600  
Marysville
    3,800       3,800  
Dixon
    2,900       2,900  
Willows
    2,400       2,300  
Redwood Valley (Lucerne, Duncans Mills, Guerneville, Dillon Beach, Noel Heights & portions of Santa Rosa)
    2,000       2,000  
                 
      42,000       41,500  
                 
SALINAS VALLEY
               
Salinas
    28,000       27,800  
King City
    2,500       2,400  
                 
      30,500       30,200  
                 
SAN JOAQUIN VALLEY
               
Bakersfield
    65,400       64,900  
Stockton
    42,200       42,100  
Visalia
    38,900       37,800  
Selma
    6,100       6,100  
Kern River Valley
    4,300       4,300  
Antelope Valley (Fremont Valley, Lake Hughes, Lancaster & Leona Valley)
    1,400       1,400  
                 
      158,300       156,600  
                 


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    2007     2006  
 
LOS ANGELES AREA
               
East Los Angeles (including portions of the City of Commerce)
    27,800       27,800  
Hermosa-Redondo (serving Hermosa Beach, Redondo Beach and a portion of Torrance)
    26,300       26,200  
Dominguez (Carson and portions of Compton, Harbor City, Long Beach, Los Angeles and Torrance)
    33,700       33,700  
Palos Verdes (including Palos Verdes Estates, Rancho Palos Verdes, Rolling Hills Estates and Rolling Hills)
    24,000       24,000  
Westlake (a portion of Thousand Oaks)
    7,100       7,000  
Hawthorne and Commerce (leased municipal systems)
    6,200       6,200  
                 
      125,100       124,900  
                 
CALIFORNIA TOTAL
    463,600       460,900  
                 
HAWAII
    700       500  
NEW MEXICO
    7,500       7,100  
WASHINGTON
    15,800       15,400  
                 
COMPANY TOTAL
    487,600       483,900  
                 
 
Rates and Regulation
 
Our water utility rates and service for the regulated business are subject to the jurisdiction of the Commissions. The Commissions’ decisions and the timing of those decisions can have a significant impact on our operations and earnings.
 
Since our 24 California-regulated operating districts are not physically integrated, rates are set independently for each district as required by the California Public Utilities Commission (CPUC). General office (headquarters) expenses and capital expenditures are considered separately and allocated ratably to the operating districts.
 
General and Step Rate Increases
 
General rate case (GRC) applications in California address district and general office operating costs and capital requirements for a forward-looking three-year period. GRC decisions typically authorize an immediate rate increase and annual step rate increases for the three-year cycle. Under the CPUC’s 2004 rate case processing plan, step rate increases will generally be effective on July 1 of each calendar year through 2010, and are designed to maintain the return on equity (ROE) authorized in the initial decision in succeeding years. Cal Water is required to file a GRC for each operating district every three years. The CPUC adopted a new rate case plan (RCP) in May 2007. Under this plan, Cal Water will be able to recover general office expenses for its 24 regulated operating districts in 2008 as determined by the CPUC in the 2007 GRC. The next California GRC will be filed in July 2009 covering all 24 California districts and general office expenses.
 
The CPUC’s processing schedule sets an expected effective date of July 1 for Cal Water filings including the 2007 GRC (12 month processing schedule) and a January 1, 2011 effective date for the 2009 GRC (18 month schedule). While we expect future filings to receive decisions on the CPUC’s published processing time line, if decisions are delayed, legislation enacted in 2003 gives us protection by establishing an effective date when the decision should have been made. This allows interim rates to be charged typically based upon inflation and surcharge or surcredit, if necessary, once the CPUC renders a decision.
 
Because districts have been on different three-year GRC rate case cycles, the number of customers affected by GRC filings varies from year to year.
 
In January 2005, the CPUC approved the California Water Action Plan (the Plan). The Plan identifies and lays out 28 best practices associated with water infrastructure management and rate making that California would like to

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adopt over time. Among other things, the Plan calls for streamlining the GRC process, development and adoption of a Rate Adjustment Mechanism (WRAM), and creating incentives for large water systems to acquire smaller systems. As part of the streamlining process, the CPUC issued its new RCP in May 2007. Cal Water’s request for a WRAM is being considered in a CPUC proceeding along with similar requests from other water utilities.
 
Water rates for Washington Water and New Mexico Water regulated operations are set based on historic 12-month data. Applications are filed on an “as needed” basis and can be submitted annually. Water rates for the regulated operations of Hawaii Water are set based on a combination of historical base and forward-looking methodology and are allowed to be filed annually. In these states, regulatory procedures do not provide for step rate increases or offset increases (see “Offsetable Expenses and Balancing Accounts” below), except for Hawaii, which allows immediate rate adjustments to reflect changes in purchased power rates.
 
Expense-Balancing and Memorandum Accounts
 
We use expense-balancing accounts and memorandum accounts to track suppliers’ rate changes for purchased water, purchased power, and pump taxes that are not included in customer water rates. The cost changes are referred to as “offsetable expenses,” because under certain circumstances, they are refundable from customers (or refunded to customers) in future rates designed to offset cost changes from suppliers. We do not record the balancing and memorandum accounts until the CPUC has authorized a change in customer rates and the customer has been billed. The cumulative net amount in the expense balancing accounts and memorandum accounts as of December 31, 2007, was approximately $3.1 million. This amount includes certain amounts that have been authorized for recovery through customer surcharges but which have not yet been collected and amounts that have not yet been filed for recovery.
 
Washington Water, New Mexico Water, and Hawaii Water did not have material amounts in expense balancing or memorandum accounts.
 
See Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Rates and Regulation” for more information on rates and regulation.
 
Seasonal Fluctuations
 
Our water business is seasonal in nature and weather conditions can have a material effect on customer usage and thus, impact operating revenues and net income. Customer demand for water generally is lower during the cooler and rainy, winter months. Demand increases in the spring when warmer weather returns and the rains end, and customers use more water for outdoor purposes, such as landscape irrigation. Warm temperatures during the generally dry summer months result in increased demand. Water usage declines during the fall as temperatures decrease and the rainy season begins.
 
During years in which precipitation is especially heavy or extends beyond the spring into the early summer, customer demand can decrease from historic normal levels, generally due to reduced outdoor water usage. Likewise, an early start to the rainy season during the fall can cause a decline in customer usage and have a negative impact on revenue and net income. When summer temperatures are cooler than normal, water usage is generally lower and can result in lower revenue and lower earnings. A warmer than normal summer can result in higher customer usage and an increase in revenue and earnings.
 
Drought can have an impact on the business. When rainfall is below average for consecutive years, drought conditions can develop and certain customers may be required to reduce consumption to preserve available supply. As an example, from 1987 to 1993, California experienced a six-year period when rainfall was below historic average. During that period, some districts issued water-rationing requirements to their customers. In certain districts, penalties were assessed on customers who exceeded monthly allotments, which was approved by the CPUC after local governments enacted ordinances for drought. During past drought periods, the CPUC has allowed modifications to Cal Water’s customer billings that provided a means to recover a portion of revenues that were deemed lost due to conservation measures, although there are no assurances the CPUC would do so in future droughts.


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Because the demand for water varies by season, our revenues and net income may vary greatly from quarter to quarter, even though our fixed costs and expenses will not. Therefore, the results of operations for one period may not indicate results to be expected in another period.
 
Water Supply
 
In California, we obtain our water supply from wells, surface runoff or diversion, and by purchase from public agencies and other wholesale suppliers. Our water supply has been adequate to meet customer demand; however, during periods of drought, some districts have experienced mandatory water rationing. California’s rainy season usually begins in November and continues through March with the most rain typically falling in December, January and February. During winter months, reservoirs and underground aquifers are replenished by rainfall. Snow accumulated in the mountains provides an additional water source when spring and summer temperatures melt the snowpack, producing runoff into streams and reservoirs, and also replenishing underground aquifers.
 
Washington and Hawaii receive rain in all seasons with the majority falling during winter months. Washington Water and Hawaii Water draw all their water supply by pumping from wells. Historically, approximately half of Cal Water’s water supply is purchased from wholesale suppliers with the balance pumped from wells. During 2007, approximately 45 percent of the Cal Water supply was obtained from wells, 51 percent was purchased from wholesale suppliers and 4 percent was obtained from surface supplies. Well water is generally less expensive and Cal Water strives to maximize the use of its well sources in districts where there is an option between well or purchased supply sources.
 
New Mexico Water’s rainfall normally occurs in all seasons, but is heaviest in the summer monsoon season. New Mexico Water pumps all of its water supply from wells based on its water rights.
 
We have six California water treatment plants in the Bakersfield, Bear Gulch, Kernville, Oroville and Redwood Valley districts. Water for operation of the Bakersfield plants, with a combined capacity of 28 million gallons per day, is drawn from the Kern River under a long-term contract with the City of Bakersfield. The other four plants have a capacity of 14 million gallons per day.
 
During 2007, we produced an estimated 141 billion gallons of water for our customers, up 7% from the estimated 132 billion gallons produced in 2006. The 2007 average daily water production was approximately 387 million gallons, while the maximum single day production was estimated at 636 million gallons. By comparison, in 2006, the average daily water production was approximately 363 million gallons and the maximum single day production was estimated at 767 million gallons.


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The following table shows the estimated quantity of water purchased and the percentage of purchased water to total water production in each California operating district that purchased water in 2007. Other than noted below, all other districts receive 100% of their water supply from wells.
 
                     
    (MG)
           
    Water
           
    Production
    Percentage
     
District
  Purchased     Purchased    
Source of Purchased Supply
 
SAN FRANCISCO BAY AREA
                   
Mid-Peninsula
    5,887       100 %   San Francisco Water Department
South San Francisco
    2,988       100 %   San Francisco Water Department
Bear Gulch
    4,823       95 %   San Francisco Water Department
Los Altos
    3,625       72 %   Santa Clara Valley Water District
Livermore
    3,047       75 %   Alameda County Flood Control and Water Conservation District
SACRAMENTO VALLEY
                   
Oroville
    970       84 %   Pacific Gas and Electric Co. and County of Butte
Redwood Valley
    132       78 %   County of Lake
SAN JOAQUIN VALLEY
                   
Antelope/Kern
    145       16 %   Antelope Valley-East Kern Water Agency and City of Bakersfield
Bakersfield
    8,094       27 %   Kern County Water Agency and City of Bakersfield
Stockton
    7,699       73 %   Stockton East Water District
LOS ANGELES AREA
                   
East Los Angeles
    4,813       74 %   Central Basin Municipal Water District
Dominguez
    11,217       80 %   West Basin Municipal Water District and City of Torrance
City of Commerce
    261       33 %   Central Basin Municipal Water District
Hawthorne
    1,505       95 %   West Basin Municipal Water District
Hermosa-Redondo
    4,400       93 %   West Basin Municipal Water District
Palos Verdes
    7,544       100 %   West Basin Municipal Water District
Westlake
    3,379       100 %   Calleguas Municipal Water District
 
 
MG = million gallons
 
The Bear Gulch district obtains a portion of its water supply from surface runoff from the local watershed. In the Oroville and Redwood Valley districts, the water purchased is from a surface supply. The surface sources are processed through the water treatment plants before being delivered to the distribution system. In the Bakersfield and Kern River Valley districts, we purchase surface supply then process the water through our treatment plants. In addition, the Bakersfield district purchases treated water as a component of its water supply.
 
The Chico, Marysville, Dixon, and Willows districts in the Sacramento Valley, the Salinas and King City districts in the Salinas Valley, and the Selma and Visalia districts in the San Joaquin Valley obtain their entire supply from wells.
 
In the Salinas district, which solely depends upon ground water, several wells were taken out of service in the last three years, primarily due to poor water quality. We have installed treatment systems on some of these wells to meet customer demand. Management believes that water supply issues in the Salinas district will be adequately resolved in the future by seeking additional sources or additional treatment.
 
Purchases for the Los Altos, Livermore, Oroville, Redwood Valley, Stockton, and Bakersfield districts are pursuant to long-term contracts expiring on various dates after 2011.


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The water supplies purchased for the Dominguez, East Los Angeles, Hermosa-Redondo, Palos Verdes, and Westlake districts, the City of Hawthorne system, and the City of Commerce system are provided by public agencies pursuant to a statutory obligation of continued non-preferential service to purveyors within the agencies’ boundaries.
 
Purchases for the South San Francisco, Mid-Peninsula, and Bear Gulch districts are in accordance with long-term contracts with the San Francisco Water Department (SFWD) expiring on June 30, 2009.
 
Management anticipates that we will be able to renew each of the water supply contracts as they expire. The price of wholesale water purchases is subject to pricing changes imposed by the various wholesalers. Price changes are generally beyond our control, and management expects that we will be allowed to recover the wholesale water suppliers’ rate increases in customers’ future rates. Recovery of such increases is subject to approval by the CPUC and cannot be guaranteed.
 
Shown below are wholesaler price rates and increases that became effective in 2007, and estimated wholesaler price rates and percent changes for 2008.
 
                                         
              2007
              2008
 
    Effective
        Percent
    Effective
        Percent
 
District
  Month   Unit Cost     Change     Month   Unit Cost     Change  
 
Antelope
  January     $265/af       8.6%     January     $277/af       4.5%  
Bakersfield*
  July     136/af       0.0%     July     146/af       7.4%  
Bear Gulch
  July     1.30/ccf       6.5%     July     1.37/ccf       5.4%  
City of Commerce
  July     527/af       5.8%     July     557/af       5.7%  
Dominguez
  January     572/af       6.7%     January     606/af       5.9%  
East Los Angeles
  July     527/af       5.8%     July     557/af       5.7%  
Hawthorne
  January     572/af       6.7%     January     606/af       5.9%  
Hermosa-Redondo
  January     572/af       6.7%     January     606/af       5.9%  
Livermore
  January     1.458/ccf       7.4%     January     1.575/ccf       8.0%  
Los Altos
  July     575/af       7.5%     July     620/af       7.8%  
Oroville
  January     72,962/yr       5.4%     January     75,000/yr       2.8%  
Palos Verdes
  January     572/af       6.7%     January     606/af       5.9%  
Mid-Peninsula
  July     1.30/ccf       6.5%     July     1.37/ccf       5.4%  
Redwood Valley
  May     47/af       4.0%     May     48/af       2.8%  
So. San Francisco
  July     1.30/ccf       6.5%     July     1.37/ccf       5.4%  
Stockton
  April     490,108/mo       30.2%     April     548,459/mo       11.9%  
Westlake
  January     597/af       4.4%     January     632/af       5.9%  
 
 
af = acre foot; ccf = hundred cubic feet; yr = fixed annual cost; mo = fixed monthly cost
 
* untreated water
 
We work with all local suppliers and agencies responsible for water supply to insure adequate, long-term supply for each system.
 
See Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Water Supply” concerning more information on adequacy of supplies.
 
Utility Plant Construction
 
We have continually extended, enlarged, and replaced our facilities as required to meet increasing demands and to maintain the water systems. We obtain construction financing using funds from operations, short-term bank borrowings, long-term financing, advances for construction and contributions in aid of construction that are funded by developers. Advances for construction are cash deposits from developers for construction of water facilities or water facilities deeded from developers. These advances are generally refundable without interest over a period of


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40 years by equal annual payments. Contributions in aid of construction consist of nonrefundable cash deposits or facilities transferred from developers, primarily for fire protection and relocation projects. We cannot control the amount received from developers. This amount fluctuates from year-to-year as the level of construction activity carried on by developers varies. This activity is impacted by the demand for housing, commercial development, and general business conditions, including interest rates.
 
See Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources” for additional information.
 
Sale of Surplus Real Properties
 
When properties are no longer used and useful for public utility purposes, we are no longer allowed to earn a return on our investment in the property in the regulated business. The surplus property is transferred out of the regulated operations. From time to time, some properties have been sold or offered for sale. As these sales are subject to local real estate market conditions and can take several months or years to close, income from the sale of surplus properties may or may not be consistent from year-to-year.
 
California Energy Situation
 
The California energy crisis was well publicized. There is still uncertainty about the state’s ability to avoid future rolling electric blackouts, although we did not experience any major electric blackouts during 2007 or 2006. We continue to use power efficiently to minimize the power expenses passed on to our customers, and maintain backup power systems to continue water service to our customers if the power companies’ supplies are interrupted. Many of our well sites are equipped with emergency electric generators designed to produce electricity to keep the wells operating during power outages. Storage tanks also provide customers with water during blackout periods.
 
Security at Company Facilities
 
Due to terrorist and other risks, we have heightened security at our facilities and have taken added precautions to protect our employees and the water delivered to customers. In 2002, federal legislation was enacted that resulted in new regulations concerning security of water facilities, including submitting vulnerability assessment studies to the federal government. We have complied with regulations issued by the Environmental Protection Agency (EPA) pursuant to our federal legislation concerning vulnerability assessments and have made filings to the EPA as required. In addition, communication plans have been developed as a component of our procedures. While we do not make public comments on our security programs, we have been in contact with federal, state, and local law enforcement agencies to coordinate and improve our water delivery systems’ security.
 
Quality of Water Supplies
 
Our operating practices are designed to produce potable water in accordance with accepted water utility practices. Water entering the distribution systems from surface sources is treated in compliance with federal and state Safe Drinking Water Acts (SDWA) standards. Most well supplies are chlorinated or chloraminated for disinfection. Water samples from each water system are analyzed on a regular, scheduled basis in compliance with regulatory requirements. We operate a state-certified water quality laboratory at the San Jose General Office that provides testing for most of our California operations. Certain tests in California are contracted with independent certified labs qualified under the Environmental Laboratory Accreditation Program. Local independent state certified labs provide water sample testing for the Washington, New Mexico and Hawaii operations.
 
In recent years, federal and state water quality regulations have continued to increase water testing requirements. The SDWA continues to be amended to reflect new public health concerns. We monitor water quality standard changes and upgrade our treatment capabilities to maintain compliance with the various regulations.
 
Competition and Condemnation
 
Our principal operations are regulated by the Commission of each state. Under state laws, no privately owned public utility may compete within any service territory that we already serve without first obtaining a certificate of


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public convenience and necessity from the applicable Commission. Issuance of such a certificate would only be made upon finding that our service is deficient. To management’s knowledge, no application to provide service to an area served by us has been made.
 
State law provides that whenever a public agency constructs facilities to extend a utility system into the service area of a privately owned public utility, such an act constitutes the taking of property and requires reimbursement to the utility for its loss. State statutes allow municipalities, water districts and other public agencies to own and operate water systems. These agencies are empowered to condemn properties already operated by privately owned public utilities. The agencies are also authorized to issue bonds, including revenue bonds, for the purpose of acquiring or constructing water systems. However, if a public agency were to acquire utility property by eminent domain action, the utility would be entitled to just compensation for its loss. In Washington, there are annexation proceedings regarding the newly acquired waste water system previously served by Rosario Utilities. To management’s knowledge, other than the Rosario system mentioned above, no municipality, water district, or other public agency is contemplating or has any action pending to acquire or condemn any of our systems.
 
In recent years, consolidation within the water industry has accelerated. A number of publicly traded water companies have been acquired or merged into larger domestic companies. Several acquisitions of publicly traded companies have also been completed by much larger foreign companies. We intend to continue the pursuit of opportunities to expand our business in the western United States, which may include expansion through acquisitions or mergers with other companies.
 
Environmental Matters
 
Our operations are subject to environmental regulation by various governmental authorities. Environmental affairs programs have been designed to provide compliance with water discharge regulations, underground and aboveground fuel storage tank regulations, hazardous materials management plans, hazardous waste regulations, air quality permitting requirements, wastewater discharge limitations and employee safety issues related to hazardous materials. Also, we actively investigate alternative technologies for meeting environmental regulations and continue the traditional practices of meeting environment regulations.
 
For a description of the material effects that compliance with environmental regulations may have on us, see Item 1A. “Risk Factors — Risks Related to Our Regulatory Environment.” We expect environmental regulation to increase, resulting in higher operating costs in the future, which may have a material adverse effect on earnings.
 
Employees
 
At year-end 2007, we had 891 employees, including 56 at Washington Water, 14 at New Mexico Water and 6 at Hawaii Water. In California, most non-supervisory employees are represented by the Utility Workers Union of America, AFL-CIO, except certain engineering and laboratory employees who are represented by the International Federation of Professional and Technical Engineers, AFL-CIO.
 
At December 31, 2007, there were 594 union employees. In October and November 2007, we negotiated two-year agreements with both of our unions. Wage increases under the agreements were 3.1% for 2008. Wages for 2009 will be negotiated separately in the fourth quarter of 2008. Management believes that it maintains good relationships with the unions.
 
Employees at Washington Water, New Mexico Water, and Hawaii Water are not represented by unions.


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Executive Officers of the Registrant
 
             
Name
 
Positions and Offices with California Water Service Group
 
Age
 
Peter C. Nelson(1)
  President and Chief Executive Officer since February 1, 1996. Formerly Vice President, Division Operations (1994-1995) and Region Vice President (1989-1994), Pacific Gas & Electric Company, a gas and electric public utility     60  
Martin A. Kropelnicki(2)
  Chief Financial Officer and Treasurer since March 13, 2006. Previously Chief Financial Officer of Power Light Corporation (2005-2006), Chief Financial Officer and Executive Vice President of Corporate Services of Hall Kinion and Associates (1997-2004), Deloitte & Touche Consulting (1996-1997), various positions with Pacific Gas & Electric (1989-1996)     41  
Lynne P. McGhee, Esq.(2)
  Corporate Secretary since July 25, 2007; Associate Corporate Counsel since May 2003; previously served as a Commissioner legal advisor and staff counsel at the California Public Utilities Commission     43  
Calvin L. Breed(3)
  Controller, Assistant Secretary and Assistant Treasurer since November 1, 1994; previously Treasurer of TCI International, Inc. (1984-1994); a certified public accountant with Arthur Andersen & Co. (1980-1983)     52  
 
 
(1) Holds the same position with California Water Service Company and CWS Utility Services; Chief Executive Officer of New Mexico Water Service Company, Washington Water Service Company and Hawaii Water Service Company, Inc.
 
(2) Holds the same position with California Water Service Company, New Mexico Water Service Company, Washington Water Service Company, Hawaii Water Service Company, Inc., and CWS Utility Services
 
(3) Holds the same position with California Water Service Company, Washington Water Service Company, and Hawaii Water Service Company, Inc; Assistant Secretary and Assistant Treasurer of New Mexico Water Service Company


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Item 1A.   Risk Factors.
 
The risks and uncertainties described below are not the only ones facing us. Additional risks and uncertainties that management is not aware of or focused on or that management currently deems immaterial may also impair our business operations. If any of the following risks actually occur, our financial condition and results of operations could be materially and adversely affected.
 
Risks Related to Our Regulatory Environment
 
Our business is heavily regulated by state and federal regulatory agencies and our financial viability depends upon our ability to recover costs from our customers through rates that must be approved by state public utility commissions.
 
California Water Service Company, New Mexico Water Service Company, Washington Water Service Company and Hawaii Water Service Company, Inc., are regulated public utilities which provide water service to our customers. The rates that we charge our water customers are subject to the jurisdiction of the regulatory commissions in the states in which we operate. These commissions set water rates for each operating district independently because the systems are not interconnected. The commissions authorize us to charge rates which they consider to be sufficient to recover normal operating expenses, to provide funds for adding new or replacing water infrastructure, and to allow us to earn what the commissions consider to be a fair and reasonable return on invested capital.
 
Our revenues and consequently our ability to meet our financial objectives are dependent upon the rates we are authorized to charge our customers by the commissions and our ability to recover our costs in these rates. Our management uses forecasts, models and estimates in order to set rates that will provide a fair and reasonable return on our invested capital. While our rates must be approved by the commissions, no assurance can be given that our forecasts, models and estimates will be correct or that the commissions will agree with our forecasts, models and estimates. If our rates are set too low, our revenues may be insufficient to cover our operating expenses, capital expenditure requirements and desired dividend levels.
 
We periodically file rate increase applications with the commissions. The ensuing administrative and hearing process may be lengthy and costly. The decisions of the commissions are beyond our control and we can provide no assurances that our rate increase requests will be granted by the commissions. Even if approved, there is no guarantee that approval will be given in a timely manner or at a sufficient level to cover our expenses and provide a reasonable return on our investment. If the rate increase decisions are delayed, our earnings may be adversely affected.
 
Our evaluation of the probability of recovery of regulatory assets is subject to adjustment by regulatory agencies and any such adjustment could adversely affect our results of operations.
 
Regulatory decisions may also impact prospective revenues and earnings, affect the timing of the recognition of revenues and expenses and may overturn past decisions used in determining our revenues and expenses. Our management continually evaluates the anticipated recovery of regulatory assets, liabilities, and revenues subject to refund and provides for allowances and/or reserves as deemed necessary. Under Financial Accounting Standard SFAS No. 71 (Accounting for the Effects of Certain Types of Regulation), we can defer certain costs if we believe it is probable that we will be allowed to recover those costs by future rate increases. If a commission determined that a portion of our assets were not recoverable in customer rates, we may suffer an asset impairment which would require a write down in such asset’s valuation which would be recorded through operations.
 
If our assessment as to the probability of recovery through the ratemaking process is incorrect, the associated regulatory asset or liability would be adjusted to reflect the change in our assessment or any regulatory disallowances. A change in our evaluation of the probability of recovery of regulatory assets or a regulatory disallowance of all or a portion of our cost could have a material adverse effect on our financial results.


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Regulatory agencies may disagree with our valuation and characterization of certain of our assets.
 
If we determine that assets are no longer used or useful for utility operations, we may remove them from our rate base and subsequently sell those assets. If the commission disagrees with our characterization, we could be subjected to penalties. Furthermore, there is a risk that the commission could determine that appreciation in property value should be awarded to the ratepayers rather than our stockholders.
 
Changes in laws, rules and policies of regulatory agencies can significantly affect our business.
 
Regulatory agencies may change their rules and policies for various reasons, including as a result of changes in the local political environment. In some states, regulators are elected by popular vote or are appointed by elected officials, and the results of elections may change the rules and policies of an agency. As a result of the political process, long-established rules and policies of an agency can change dramatically. For example, in 2001 regulation regarding recovery of increases in electrical rates changed in California. For over 20 years prior to 2001, the California Public Utilities Commission allowed recovery of electric rate increases under its operating rules. However, in 2003, the commission reinstated its policy to allow utilities to adjust their rates for rate changes by the power companies. The original decision by the commission to change its policy, as well as its subsequent decision to reinstate that policy, affected our business.
 
We rely on policies and regulations promulgated by the various state commissions in order to recover capital expenditures, maintain favorable treatment on gains from the sale of real property, offset certain production and operating costs, recover the cost of debt, maintain an optimal equity structure without over-leveraging, and have financial and operational flexibility to engage in non-regulated operations. If any of the commissions with jurisdiction over us implement policies and regulations that do not allow us to accomplish some or all of the items listed above, our future operating results may be adversely affected.
 
In addition, legislatures may repeal, relax or tighten existing laws, or enact new laws that impact the regulatory agencies with jurisdiction over our business or affect our business directly. If changes in existing laws or the implementation of new laws limit our ability to accomplish some or all of our business objectives, our future operating results may be adversely affected.
 
We expect environmental regulation to increase, resulting in higher operating costs in the future.
 
Our water and wastewater services are governed by various federal and state environmental protection and health and safety laws and regulations. These provisions establish criteria for drinking water and for discharges of water, wastewater and airborne substances. The Environmental Protection Agency promulgates numerous nationally applicable standards, including maximum contaminant levels (MCLs) for drinking water. We believe we are currently in compliance with all of the MCLs promulgated to date but we can give no assurance that we will continue to comply with all water quality requirements. If we violate any federal or state regulations or laws governing health and safety, we could be subject to substantial fines or otherwise sanctioned.
 
Environmental laws are complex and change frequently. They have tended to become more stringent over time. As new or stricter standards are introduced, they could increase our operating costs. Although we would likely seek permission to recover these costs through rate increases, we can give no assurance that the commissions would approve rate increases to enable us to recover these additional compliance costs.
 
We are required to test our water quality for certain chemicals and potential contaminants on a regular basis. If the test results indicate that we exceed allowable limits, we may be required either to commence treatment to remove the contaminant or to develop an alternate water source. Either of these results may be costly, and there can be no assurance that the commissions would approve rate increases to enable us to recover these additional compliance costs.
 
We are party to a toxic contamination lawsuit which could result in our paying damages not covered by insurance.
 
In 1995, the State of California’s Department of Toxic Substances Control (DTSC) named us as a potential responsible party for cleanup of a toxic contamination plume in the Chico groundwater. In December 2002, we were


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named along with other defendants in two lawsuits filed by DTSC for the cleanup of the plumes. The toxic spill occurred when cleaning solvents, which were discharged into the city’s sewer system by local dry cleaners, leaked into the underground water supply. The DTSC contends that our responsibility stems from our operation of wells in the surrounding vicinity that caused the contamination plumes to spread. While we are cooperating with the clean up, we deny any responsibility for the contamination or the resulting cleanup.
 
In 2007, the Company entered into Court approved consent decrees (Consent Decrees). The Consent Decrees conditioned the Company’s performance upon many factors, including, but not limited to, water pumped and treated by the Company must meet regulatory standards so the Company may distribute to its customers. Pursuant to the terms of the Consent Decrees, the Company will incur capital costs of $1.5 million and future operating costs with a present value of approximately $2.6 million. In its 2007 general rate case (GRC) settlement negotiations, Division of Ratepayer Advocates have tentatively agreed to track all costs associated with the Consent Decrees including legal costs to pursue insurance coverage for potential future recovery in rates.
 
In connection with these suits, our insurance carrier has filed a separate lawsuit against us for reimbursement of past defense costs which approximate $1.5 million. We believe that the insurance carrier has a duty to defend and is not entitled to any defense cost reimbursement. Furthermore, we believe that insurance coverage exists for the Company’s claims. However, if our claim is ultimately found to be excludable under insurance policies, we may have to pay damages. Although we consider it probable that we will be able to recover amounts paid for damages through rate increases, we can give no assurance that we will be able to make such a recovery.
 
The number of environmental and product-related lawsuits against other water utilities have increased in frequency in recent years. If we are subject to additional environmental or product-related lawsuits, we might incur significant legal costs and it is uncertain whether we would be able to recover the legal costs from ratepayers or other third parties. In addition, if current California law regarding California Public Utilities Commission’s preemptive jurisdiction over regulated public utilities for claims about compliance with California Department of Health Services and United States Environmental Protection Agency water quality standards changes, our legal exposure may be significantly increased.
 
Risks Related to Our Business Operations
 
Wastewater operations entail significant risks.
 
While wastewater collection and treatment is not presently a major component of our revenues, wastewater collection and treatment involve many risks associated with damage to the surrounding environment. If collection or treatment systems fail or do not operate properly, untreated or partially treated wastewater could discharge onto property or into nearby streams and rivers, causing property damage or injury to aquatic life, or even human life. Liabilities resulting from such damage could materially and adversely affect our results of operations and financial condition.
 
Demand for our water is subject to various factors and is affected by seasonal fluctuations.
 
Demand for our water during the warmer, dry months is generally greater than during cooler or rainy months due primarily to additional requirements for water in connection with irrigation systems, swimming pools, cooling systems and other outside water use. Throughout the year, and particularly during typically warmer months, demand will vary with temperature and rainfall levels. If temperatures during the typically warmer months are cooler than normal, or if there is more rainfall than normal, the demand for our water may decrease and adversely affect our revenues.
 
In addition, governmental restrictions on water usage during drought conditions may result in a decreased demand for our water, even if our water reserves are sufficient to serve our customers during these drought conditions. However, during the drought of the late 1980’s and early 1990’s the California Public Utilities Commission beginning in 1992 allowed us to surcharge our customers to collect lost revenues caused by customers’ conservation during the drought. Regardless of whether we may surcharge our customers during a conservation period, they may use less water even after a drought has passed because of conservation patterns developed during the drought. Furthermore, our customers may wish to use recycled water as a substitute for potable water. If rights


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are granted to others to serve our customers recycled water, there will likely be a decrease in demand for our water. Any decreases in demand for our water will likely adversely affect our revenues and earnings.
 
Because the demand for water varies by season, our revenues may vary greatly from quarter to quarter, even though our fixed costs and expenses will not. Therefore, the results of operations for one period may not indicate results to be expected in another period.
 
The adequacy of our water supplies depends upon a variety of factors beyond our control. Interruption in the water supply may adversely affect our earnings.
 
We depend on an adequate water supply to meet the present and future needs of our customers. Whether we have an adequate supply varies depending upon a variety of factors, many of which are partially or completely beyond our control, including:
 
  •  the amount of rainfall;
 
  •  the amount of water stored in reservoirs;
 
  •  underground water supply from which well water is pumped;
 
  •  changes in the amount of water used by our customers;
 
  •  water quality;
 
  •  legal limitations on water use such as rationing restrictions during a drought; and
 
  •  population growth.
 
We purchase our water supply from various governmental agencies and others. Water supply availability may be affected by weather conditions, funding and other political and environmental considerations. In addition, our ability to use surface water is subject to regulations regarding water quality and volume limitations. If new regulations are imposed or existing regulations are changed or given new interpretations, the availability of surface water may be materially reduced. A reduction in surface water could result in the need to procure more costly water from other sources, thereby increasing our water production costs and adversely affecting our operating results.
 
We have entered into long-term agreements, which commit us to payments whether or not we purchase any water. Therefore, if demand is insufficient to use our required purchases we would have to pay for water we did not receive.
 
From time to time, we enter into water supply contracts with third parties and our business is dependent upon such agreements in order to meet regional demand. For example, we have entered into a water supply contract with the San Francisco Public Utilities Commission which we rely upon. We can give no assurance that the San Francisco Public Utilities Commission, or any of the other parties from whom we purchase water, will renew our contracts upon expiration, or that we will not be subject to significant price increases under any such renewed contracts.
 
The parties from whom we purchase water maintain significant infrastructure and systems to deliver water to us. Maintenance of these facilities is beyond our control. If these facilities are not adequately maintained or if these parties otherwise default on their obligations to supply water to us, we may not have adequate water supplies to meet our customers’ needs.
 
If we are unable to access adequate water supplies we may be unable to satisfy all customer demand which could result in rationing and would have an adverse effect on our earnings and financial condition. We can make no guarantee that we will always have access to an adequate supply of water that will meet all required quality standards. Water shortages may affect us in a variety of ways. For example, shortages could:
 
  •  adversely affect our supply mix by causing us to rely on more expensive purchased water;
 
  •  adversely affect operating costs;
 
  •  increase the risk of contamination to our systems due to our inability to maintain sufficient pressure; and


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  •  increase capital expenditures for building pipelines to connect to alternative sources of supply, new wells to replace those that are no longer in service or are otherwise inadequate to meet the needs of our customers and reservoirs and other facilities to conserve or reclaim water.
 
We may or may not be able to recover increased operating and construction costs on a timely basis, or at all, for our regulated systems through the ratemaking process. Although we can give no assurance, we may also be able to recover certain of these costs from third parties that may be responsible, or potentially responsible, for groundwater contamination.
 
Changes in water supply costs directly affect our earnings.
 
The cost to obtain water for delivery to our customers varies depending on the sources of supply, wholesale suppliers’ prices and the quantity of water produced to supply customer water usage. Our source of supply varies by operating district. Certain districts obtain all of their supply from wells, some districts purchase all of the supply from wholesale suppliers and other districts obtain the supply from a combination of well and purchased sources. A portion of the supply is from surface sources and processed through company-owned water treatment plants. On average, slightly more than half of the water we deliver to our customers is pumped from wells or received from a surface supply with the remainder purchased from wholesale suppliers. Water purchased from suppliers usually costs us more than surface supplied or well pumped water. During 2007, the cost of purchased water for delivery to customers represented 33.1% of our total operating costs and in 2006 it represented 31.7% of our total operating costs.
 
Wholesale water suppliers may increase their prices for water delivered to us based on factors that affect their operating costs. Purchased water rate increases are beyond our control. In California, our ability to recover increases in the cost of purchased water is subject to decisions by the regulatory commission. If we are not allowed to recover the higher costs, our cash flows and our capital resources and liquidity could be negatively affected. Also, our profit margins may be adversely affected, unless the commissions allow us to seek reimbursement of those costs from our customers.
 
Depending on the degree of heat and lack of rain and other factors that affect the adequacy of our water supply, we may have to purchase higher-cost water to meet customer demand. In such circumstances, we may be unable to increase our rates in line with the cost of our purchased water. Therefore, while our revenues may increase, we may experience lower profit margins during periods of peak demand.
 
We depend upon an adequate supply of electricity and certain chemicals for the delivery of our water. An interruption in the supply of these inputs or increases in their prices could adversely affect our results of operations.
 
We rely on purchased electrical power in order to operate the wells and pumps which are needed to supply water to our customers. We have back-up power generators to operate a number of our wells and pumps in emergencies, but an extended interruption in power supply could impact our ability to continue to supply water. In the past, California has been subjected to rolling power blackouts due to insufficient power supplies. We can give no assurance that we will not be subject to power blackouts in the future. In addition, we require sufficient supplies of certain chemicals in order to treat the water which we supply. There are multiple suppliers of these chemicals, but if we were to suffer an interruption of supply we might not be able to adequately treat our water.
 
Purchased power expense represents electricity purchased to operate the wells and pumps. Purchased power is a significant operating expense. During 2007, purchased power expense represented 7.4% of our total operating costs and in 2006 it represented 7.7% of our total operating costs. These costs, which are beyond our control, can and do increase unpredictably. These costs can also increase in substantial amounts, as occurred in California during 2001 when rates we paid for electricity increased 48%. Cash flows between general rate case filings and our earnings may be adversely affected until the commission authorizes a rate change. We are allowed to track the expense differences caused by the rate change and request future recovery, which is subject to an earnings test.


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Our ability to generate new operating contracts is affected by local politics.
 
Our revenue growth depends upon our ability to generate new as well as to renew operating contracts with cities, other agencies and municipal utility districts. Because we are selling our services in a political environment, we are subject to changing trends and municipal preferences. Recent terrorist acts have affected some political viewpoints relative to outsourcing of water or wastewater utility services. Municipalities own and municipal employees operate the majority of water and wastewater systems. A significant portion of our marketing and sales efforts is spent demonstrating the benefits of contract operations to elected officials and municipal authorities. The existing political environment means that decisions are based on many factors, not just economic factors.
 
Our business requires significant capital expenditures that are dependent on our ability to secure appropriate funding. If we are unable to obtain sufficient capital or if the rates at which we borrow increase, there would be a negative impact on our results of operations.
 
The water utility business is capital-intensive. We invest significant funds to add or replace property, plant and equipment. In addition, water shortages may adversely affect us by causing us to rely on more purchased water. This could cause increases in capital expenditures needed to build pipelines to secure alternative water sources. In addition, we require capital to grow our business through acquisitions. We fund our short-term capital requirements from cash received from operations and funds received from developers. We also borrow funds from banks under short-term bank lending arrangements. We seek to meet our long-term capital needs by raising equity through common or preferred stock issues or issuing debt obligations. We cannot give any assurance that these sources will continue to be adequate or that the cost of funds will remain at levels permitting us to earn a reasonable rate of return. In the event we are unable to obtain sufficient capital, our expansion efforts could be curtailed, which may affect our growth and may affect our future results of operations.
 
Our ability to access the capital markets is effected by the ratings of certain of our debt securities. Standard & Poor’s Rating Agency issues a rating on California Water Service Company’s ability to repay certain debt obligations. The credit rating agency could downgrade our credit rating based on reviews of our financial performance and projections or upon the occurrence of other events that could impact our business outlook. Standard & Poor’s rating is A+ with a stable outlook. Lower ratings by the agency could restrict our ability to access equity and debt capital. We can give no assurance that the rating agency will maintain ratings which allow us to borrow under advantageous conditions and at reasonable interest rates. A future downgrade by the agency could also increase our cost of capital by causing potential investors to require a higher interest rate due to a perceived risk related to our ability to repay outstanding debt obligations.
 
While the majority of our debt is long term at fixed rates, we do have interest rate exposure in our short-term borrowings which have variable interest rates. We are also subject to interest rate risks on new financings. However, if interest rates were to increase on a long-term basis, our management believes that customer rates would increase accordingly, subject to approval by the appropriate commission. We can give no assurance that the commission would approve such an increase in customer rates.
 
We are obligated to comply with specified debt covenants under certain of our loan and debt agreements. Failure to maintain compliance with these covenants could limit future borrowing, and we could face increased borrowing costs, litigation, acceleration of maturity schedules, and cross default issues. Such actions by our creditors could have a material adverse effect on our results of operations.
 
We are a holding company that depends on cash flow from our subsidiaries to meet our obligations and to pay dividends on our preferred stock and common stock.
 
As a holding company, we conduct substantially all of our operations through our subsidiaries and our only significant assets are investments in those subsidiaries. More than 95% of our revenues are derived from the operations of California Water Service Company. As a result, we are dependent on cash flow from our subsidiaries, and California Water Service Company in particular, to meet our obligations and to pay dividends on our common stock.


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We can make dividend payments only from our surplus (the excess, if any, of our net assets over total paid-in capital) or if there is no surplus, the net profits for the current fiscal year or the fiscal year before which the dividend is declared. In addition, we can pay cash dividends only if after paying those dividends we would be able to pay our liabilities as they become due. Owners of our capital stock cannot force us to pay dividends and dividends will only be paid if and when declared by our board of directors. Our board of directors can elect at any time, and for an indefinite duration, not to declare dividends on our capital stock.
 
Our subsidiaries are separate and distinct legal entities and generally have no obligation to pay any amounts due on California Water Service Group’s debt or to provide California Water Service Group with funds for dividends. Although there are no contractual or regulatory restrictions on the ability of our subsidiaries to transfer funds to us, the reasonableness of our capital structure is one of the factors considered by state and local regulatory agencies in their ratemaking determinations. Therefore, transfer of funds from our subsidiaries to us for the payment of our obligations or dividends may have an adverse effect on ratemaking determinations. Furthermore, our right to receive cash or other assets upon the liquidation or reorganization of a subsidiary is generally subject to the prior claims of creditors of that subsidiary. If we are unable to obtain funds from our subsidiaries in a timely manner we may be unable to meet our obligations or pay dividends.
 
An important element of our growth strategy is the acquisition of water and wastewater systems, including pursuant to operating agreements. Risks associated with potential acquisitions, divestitures or restructurings may adversely affect us.
 
We may seek to acquire or invest in other companies, technologies, services or products that complement our business. The execution of our growth strategy may expose us to different risks than those associated with our utility operations. We can give no assurance that we will succeed in finding attractive acquisition candidates or investments, or that we would be able to reach mutually agreeable terms with such parties. In addition, as consolidation becomes more prevalent in the water and wastewater industries, the prices for suitable acquisition candidates may increase to unacceptable levels and limit our ability to grow through acquisitions. If we are unable to find acquisition candidates or investments, our ability to grow may be limited.
 
Acquisition and investment transactions may result in the issuance of our equity securities that could be dilutive if the acquisition or business opportunity does not develop in accordance with our business plan. They may also result in significant write-offs and an increase in our debt. The occurrence of any of these events could have a material adverse effect on our business, financial condition and results of operations.
 
Any of these transactions could involve numerous additional risks. For example, we may incur one or more of the following:
 
  •  problems integrating the acquired operations, personnel, technologies or products with our existing businesses and products;
 
  •  diversion of management time and attention from our core business to the acquired business;
 
  •  failure to retain key technical, management, sales and other personnel of the acquired business;
 
  •  difficulty in retaining relationships with suppliers and customers of the acquired business; and
 
  •  difficulty in getting required regulatory approvals.
 
In addition, the businesses and other assets we acquire may not achieve the sales and profitability expected. The occurrence of one or more of these events may have a material adverse effect on our business. There can be no assurance that we will be successful in overcoming these or any other significant risks encountered.


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We may not be able to increase or sustain our recent growth rate, and we may not be able to manage our future growth effectively.
 
We may be unable to continue to expand our business or manage future growth. To successfully manage our growth and handle the responsibilities of being a public company, we believe we must effectively:
 
  •  hire, train, integrate and manage additional qualified engineers for research and development activities, sales and marketing personnel, and financial and information technology personnel;
 
  •  retain key management and augment our management team;
 
  •  implement and improve additional and existing administrative, financial and operations systems, procedures and controls;
 
  •  expand and upgrade our technological capabilities; and
 
  •  manage multiple relationships with our customers, regulators, suppliers and other third parties.
 
If we are unable to manage our growth effectively, we may not be able to take advantage of market opportunities, satisfy customer requirements, execute our business plan or respond to competitive pressures.
 
We have a number of large-volume commercial and industrial customers and a significant decrease in consumption by one or more of these customers could have an adverse effect on our operating results and cash flows.
 
Our revenues will decrease, and such decrease may be material, if a significant business or industrial customer terminates or materially reduces its use of our water. Approximately $82.9 million, or 23% of our 2007 water utility revenues was derived from business and industrial customers. If any of our large business or industrial customers reduces or ceases its consumption of our water, we may seek commission approval to increase the rates of our remaining customers to offset decreased revenues. There can be no assurance, however, that the commission would approve such a rate relief request, and even if it did approve such a request, it would not apply retroactively to the date of the reduction in consumption. The delay between such date and the effective date of the rate relief may be significant and could adversely affect our operating results and cash flows.
 
Our operating cost and costs of providing services may rise faster than our revenues.
 
Our ability to increase rates over time is dependent upon approval of such rate increases by state commissions, which may be inclined, for political or other reasons, to limit rate increases. However, our costs are subject to market conditions and other factors, which may increase significantly. The second largest component of our operating costs after water production is made up of salaries and wages. These costs are affected by the local supply and demand for qualified labor. Other large components of our costs are general insurance, workers compensation insurance, employee benefits and health insurance costs. These costs may increase disproportionately to rate increases authorized by state commissions and may have a material adverse effect on our future results of operations.
 
Our non-regulated business operates in a competitive market.
 
While a majority of our business is regulated, our non-regulated business participates in a competitive market. We compete with several larger companies whose size, financial resources, customer base and technical expertise may restrict our ability to compete successfully for certain operations and maintenance contracts. Due to the nature of our contract operations business, and to the very competitive nature of the market, we must accurately estimate the cost and profitability of each project while, at the same time, maintaining prices at a level low enough to compete with other companies. Our inability to achieve this balance could adversely impact our results of operations.
 
Demand for our stock may fluctuate due to circumstances beyond our control.
 
We believe that stockholders invest in public utility stocks, in part, because they seek reliable dividend payments. If there is an over-supply of stock of public utilities in the market relative to demand by such investors,


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the trading price of our securities could decrease. Additionally, if interest rates rise above the dividend yield offered by our equity securities, demand for our stock, and consequently its market price, may also decrease.
 
Work stoppages and other labor relations matters could adversely affect our operating results.
 
At December 31, 2007, 594 of our 891 total employees were union employees. Most of our unionized employees are represented by the Utility Workers Union of America, AFL-CIO, except certain engineering and laboratory employees who are represented by the International Federation of Professional and Technical Engineers, AFL-CIO. In October and November 2007 we negotiated two-year agreements with both unions Wage increases under the agreements were 3.1% for 2008. Wages for 2009 will be negotiated separately in the fall of 2008.
 
We believe our labor relations are good, but in light of rising costs for healthcare and pensions, contract negotiations in the future may be difficult. We are subject to a risk of work stoppages and other labor relations matters as we negotiate with the unions to address these issues, which could affect our results of operations and financial condition. We can give no assurance that issues with our labor forces will be resolved favorably to us in the future or that we will not experience work stoppages.
 
We depend significantly on the services of the members of our management team, and the departure of any of those persons could cause our operating results to suffer.
 
Our success depends significantly on the continued individual and collective contributions of our management team. The loss of the services of any member of our management team could have a material adverse effect on our business as our management team has knowledge of our industry and customers and would be difficult to replace.
 
Our operations are geographically concentrated in California and this lack of diversification may negatively impact our operations.
 
Although we own facilities in a number of states, over 95% of our operations are located in California. As a result, we are largely subject to weather, political, water supply, labor, utility cost, regulatory and economic risks affecting California.
 
We are also affected by the real property market in California. In order to grow our business, we may need to acquire additional real estate or rights to use real property owned by third parties, the cost of which tends to be higher in California relative to other states. The value of our assets in California may decline if there is a decline in the California real estate market which results in a significant decrease in real property values.
 
In 2007 we experienced an increase in uncollectible accounts, which, we believe, are attributed in part to the subprime lending difficulties experienced by our customers in a number of our districts in California.
 
The effects of natural disasters, terrorist activity, pandemics, or poor water quality or contamination to our water supply may result in disruption in our services and litigation which could adversely affect our business, operating results and financial condition.
 
We operate in areas that are prone to earthquakes, fires, mudslides and other natural disasters. A significant seismic event in California, where our operations are concentrated, or other natural disaster in California could adversely impact our ability to deliver water and adversely affect our costs of operations. A major disaster could damage or destroy substantial capital assets. The California Public Utilities Commission has historically allowed utilities to establish a catastrophic event memorandum account as another possible mechanism to recover costs. However, we can give no assurance that the CPUC or any other commission would allow any such cost recovery mechanism in the future.
 
Our water supplies are subject to contamination, including contamination from the development of naturally-occurring compounds, chemicals in groundwater systems, pollution resulting from man-made sources, such as MTBE, sea water incursion and possible terrorist attacks. If our water supply is contaminated, we may have to interrupt the use of that water supply until we are able to substitute the flow of water from an uncontaminated water source. In addition, we may incur significant costs in order to treat the contaminated source through expansion of our current treatment facilities, or development of new treatment methods. If we are unable to substitute water


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supply from an uncontaminated water source, or to adequately treat the contaminated water source in a cost-effective manner, there may be an adverse effect on our revenues, operating results and financial condition. The costs we incur to decontaminate a water source or an underground water system could be significant and could adversely affect our business, operating results and financial condition and may not be recoverable in rates. We could also be held liable for consequences arising out of human exposure to hazardous substances in our water supplies or other environmental damage. For example, private plaintiffs have the right to bring personal injury or other toxic tort claims arising from the presence of hazardous substances in our drinking water supplies. Our insurance policies may not be sufficient to cover the costs of these claims.
 
We operate a dam. If the dam were to fail for any reason, we would lose a water supply and flooding likely would occur. Whether or not we were responsible for the dam’s failure, we could be sued. We can give no assurance that we would be able to successfully defend such a suit.
 
In light of the threats to the nation’s health and security ensuing in the wake of the September 11, 2001, terrorist attacks, we have taken steps to increase security measures at our facilities and heighten employee awareness of threats to our water supply. We have also tightened our security measures regarding the delivery and handling of certain chemicals used in our business. We have and will continue to bear increased costs for security precautions to protect our facilities, operations and supplies. These costs may be significant. Despite these tightened security measures, we may not be in a position to control the outcome of terrorist events should they occur.
 
We depend upon our skilled and trained workforce to ensure water delivery. Were a pandemic to occur, we can give no assurance that we would be able to maintain sufficient manpower to ensure uninterrupted service in all of the districts that we serve.
 
We retain certain risks not covered by our insurance policies.
 
We evaluate our risks and insurance coverage annually. Our evaluation considers the costs, risks and benefits of retaining versus insuring various risks as well as the availability of certain types of insurance coverage. In addition, portions of our business are difficult or impracticable to insure. Furthermore, we are also affected by increases in prices for insurance coverage; in particular, we have been, and will continue to be, affected by rising health insurance costs. Retained risks are associated with deductible limits, partial self-insurance programs and insurance policy coverage ceilings. If we suffer an uninsured loss, we may be unable to pass all, or any portion, of the loss on to customers because our rates are regulated by regulatory commissions. Consequently, uninsured losses may negatively affect our financial condition, liquidity and results of operations. There can be no assurance that we will not face uninsured losses pertaining to the risks we have retained.
 
We rely on our information technology and a number of complex business systems that could malfunction and result in negative impacts on our profitability and cash flow.
 
Our business is dependent on several complex business systems, certain of which are owned by third parties. The business systems must function reliably in order for us to operate effectively. Among other things, system malfunctions and security breaches could prevent us from operating or monitoring our facilities, billing accurately and timely analyzing financial results. Our profitability and cash flow could be affected negatively in the event these systems do not operate effectively or are circumvented.
 
The accuracy of our judgments and estimates about financial and accounting matters will impact our operating results and financial condition.
 
We make certain estimates and judgments in preparing our financial statements regarding, among others:
 
  •  the useful life of intangible rights;
 
  •  the number of years to depreciate certain assets;
 
  •  amounts to set aside for uncollectible accounts receivable, inventory obsolesces and uninsured losses;
 
  •  our legal exposure and the appropriate accrual for claims, including medical claims and workers’ compensation claims;


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  •  future costs for pensions and other post-retirement benefits; and
 
  •  possible tax allowances.
 
The quality and accuracy of those estimates and judgments will have an impact on our operating results and financial condition.
 
In addition, we must estimate unbilled revenues and costs as of the end of each accounting period. If our estimates are not accurate, we will be required to make an adjustment in a future period. Accounting rules permit us to use expense balancing accounts and memorandum accounts that include input cost changes to us that are different from amounts incorporated into the rates approved by the commissions. These accounts result in expenses and revenues being recognized in periods other than in which they occurred.
 
Our controls and procedures may fail or be circumvented.
 
Management regularly reviews and updates our internal control over financial reporting, disclosure controls and procedures, and corporate governance policies and procedures. Any system of controls and procedures, however well designed and operated, is based in part on certain assumptions and can provide only reasonable, not absolute, assurances that the objectives of the system are met. Any failure or circumvention of our controls and procedures or failure to comply with regulations related to controls and procedures could result in lack of compliance with contractual agreements, misstatements in our financial statements in amounts that could be material or could cause investors to lose confidence in our reported financial information, either of which could have a negative effect on the trading price of our stock and may negatively affect our ability to raise future capital.
 
Further, if we or our independent registered public accounting firm discover a material weakness in our internal control over financial reporting, the disclosure of that fact, even if quickly remedied, could reduce the market’s confidence in our financial statements and harm our stock price. In addition, non-compliance with Section 404 of the Sarbanes-Oxley Act of 2002 could subject us to a variety of administrative sanctions, including the suspension or delisting of our common stock from the New York Stock Exchange and the inability of registered broker-dealers to make a market in our common stock, which would further reduce our stock price.
 
Municipalities, water districts and other public agencies may condemn our property by eminent domain action.
 
State statutes allow municipalities, water districts and other public agencies to own and operate water systems. These agencies are empowered to condemn properties already operated by privately owned public utilities. However, whenever a public agency constructs facilities to extend a utility system into the service area of a privately owned public utility, such an act constitutes the taking of property and requires reimbursement to the utility for its loss. If a public agency were to acquire our utility property by eminent domain action, we would be entitled to just compensation for our loss, but we would no longer have access to the condemned property nor would we be entitled to any portion of revenue generated from the use of such asset going forward.
 
Item 1B.   Unresolved Staff Comments.
 
None
 
Item 2.   Properties.
 
Our physical properties consist of offices and water facilities to accomplish the production, storage, treatment, and distribution of water. These properties are located in or near the geographic service areas listed above in Item 1 “Business — Geographical Service Areas and Number of Customers at Year-end.” Our headquarters, which houses accounting, engineering, information systems, human resources, purchasing, regulatory, water quality, and executive staff, is located in San Jose, California.
 
The real properties owned are held in fee simple title. Properties owned by Cal Water are subject to the indenture securing first mortgage bonds of which $24.7 million remained outstanding at December 31, 2007.


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Washington Water has long-term bank loans that are secured primarily by utility plant owned by Washington Water. New Mexico Water has a long-term loan which is secured by utility plant owned by New Mexico Water.
 
Cal Water owns 659 wells and operates 9 leased wells. There are 413 owned storage tanks with a capacity of 483 million gallons, 43 managed storage tanks with a capacity of 35 million gallons, and 3 reservoirs with a capacity of 220 million gallons. Cal Water owns and operates 6 surface water treatment plants with a combined capacity of 42 million gallons per day. There are 5,547 miles of supply and distribution mains in the various systems.
 
Washington Water owns 331 wells and manages 85 wells. There are 126 owned storage tanks and 28 managed storage tanks with a storage capacity of 7 million gallons. There are 324 miles of supply and distribution lines.
 
New Mexico Water owns 16 wells. There are 12 storage tanks with a storage capacity of 4 million gallons. There are 134 miles of supply and distribution lines. New Mexico operates two waste water treatment facilities with a combined capacity to process 500,000 gallons per day. There are 29 miles of sewer collection mains.
 
Hawaii Water owns 6 wells. There are 3 storage tanks with a storage capacity of 5 million gallons. There are 35 miles of supply and distribution lines.
 
In the leased City of Hawthorne and City of Commerce systems or in systems that are operated under contract for municipalities or private companies, title to the various properties is held exclusively by the municipality or private company.
 
Item 3.   Legal Proceedings.
 
In 1995, the State of California’s Department of Toxic Substances Control (DTSC) named us as a potential responsible party for cleanup of a toxic contamination plumes in the Chico groundwater. In December 2002, we were named along with other defendants in two lawsuits filed by DTSC for the cleanup of the plumes. The toxic spill occurred when cleaning solvents, which were discharged into the city’s sewer system by local dry cleaners, leaked into the underground water supply. The DTSC contends that our responsibility stems from our operation of wells in the surrounding vicinity that caused the contamination plumes to spread. While we are cooperating with the clean up, we deny any responsibility for the contamination or the resulting cleanup.
 
In 2007, we entered into Court approved consent decrees (Consent Decrees). The Consent Decrees conditioned our performance upon many factors, including, but not limited to, water pumped and treated by us must meet regulatory standards so we may distribute to its customers. Pursuant to the terms of the Consent Decrees we will incur capital costs of $1.5 million and future operating costs with a present value of approximately $2.6 million. In its 2007 general rate case (GRC) settlement negotiations, Division of Ratepayer Advocates have tentatively agreed to track all costs associated with the Consent Decrees, including legal costs to pursue insurance coverage, for potential future recovery in rates.
 
In connection with these suits, our insurance carrier has filed a separate lawsuit against us for reimbursement of past defense costs which approximate $1.5 million. We believe that the insurance carrier has a duty to defend and is not entitled to any defense cost reimbursement. Furthermore, we believe that insurance coverage exists for the Company’s claims. However, if our claim is ultimately found to be excludable under insurance policies, we may have to pay damages. We believe that it will probably recover costs associated with the Consent Decrees from either its insurance carrier or through rate increases. Furthermore, we believe that our insurance carrier had a duty to defend. Therefore, no reserve or contingency has been recorded for this matter.
 
We and a number of co-defendants were served on October 26, 2006, with a complaint in the Superior Court County of Los Angeles, Case No. BC360406, for personal injury allegedly caused by exposure to asbestos. The Plaintiff claims to have worked for three of our contractors on pipeline projects during the period 1958-1999, including Palos Verdes Water Company, a water utility we acquired in 1970. The Plaintiff alleges that we and other defendants are responsible for his asbestos-related injuries. The Plaintiff is seeking damages in the amount of $27.5 million. On April 20, 2007, the Superior Court sustained our demurrer without leave to amend all Plaintiffs’ claims alleging products liability and intentional torts. The Superior Court also sustained our demurrer with leave to amend Plaintiff’s claim for premise owner contractor liability, a negligence claim, alleging misconduct that may allow for punitive damages (the “Premise/Owner Claim”) and severed us from the accelerated trial with other


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named defendants. On July 3, 2007, the Superior Court sustained our demurrer with leave to amend the Plaintiff’s third amended complaint alleging the Premise/Owner Claim. Plaintiff filed a fourth amended complaint restating the Premise/Owner Claim. The Superior Court overruled our demurrer on the Plaintiff’s fourth amended complaint, but the Superior Court sustained our motion to strike punitive damages. We have filed a motion for summary judgment, which is scheduled to be heard by the Superior Court on February 28, 2008. Under the Plaintiff’s remaining cause of action, we do not believe that a liability is probable, and we can not reasonably estimate any liability amount at this time. We used asbestos cement pipe and fittings, which were widely used in the water industry and permitted for such use by regulatory agencies, and we only hired qualified contractors to install the pipe and fittings in accordance with laws and regulations at the time. We intend to aggressively defend ourselves. Our insurance carrier has accepted the defense of the claim, reserving certain rights along with one of the contractors’ insurance companies. If we are found liable any liability would most likely be paid by our or the contractors’ insurers. Accordingly, we have not recorded any liability associated with the claim.
 
From time to time, we are involved in various disputes and litigation matters that arise in the ordinary course of business. Periodically, we review the status of each significant matter and assess its potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of the range of loss can be estimated, we accrue a liability for the estimated loss in accordance with SFAS No 5, “Accounting of Contingencies.” Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based only on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, management does not believe that the ultimate resolution of these matters will materially affect our financial position, results of operations, or cash flows.
 
Item 4.   Submission of Matters to a Vote of Security Holders.
 
No matters were submitted to a vote of security holders in the fourth quarter of 2007.
 
PART II
 
Item 5.   Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
 
Our common stock is traded on the New York Stock exchange under the symbol “CWT.” At December 31, 2007, there were 20,666,204 common shares and 139,000 preferred shares outstanding. There were 2,810 common stockholders of record as of February 11, 2008.
 
During 2007, we paid a cash dividend of $1.16 per common share, or $0.29 per quarter. During 2006, we paid a cash dividend of $1.15 per common share, or $0.2875 per quarter. In January 2008, our Board of Directors declared a cash dividend of $0.2925 per common share payable on February 15, 2008, to stockholders of record on February 4, 2008. This represents our 41st consecutive year of increasing the annual dividend and marks the 253rd consecutive quarterly dividend.
 
During 2007 and 2006, the common stock market price range and dividends per share were as follows for each quarter
 
                                 
2007
  First     Second     Third     Fourth  
 
Common stock market price range:
                               
High
  $ 44.54     $ 40.85     $ 43.96     $ 44.39  
Low
    36.75       34.46       35.39       35.85  
Dividends paid
    0.29       0.29       0.29       0.29  
 


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2006
  First     Second     Third     Fourth  
 
Common stock market price range:
                               
High
  $ 45.05     $ 45.36     $ 38.60     $ 41.86  
Low
    38.51       33.72       33.83       36.43  
Dividends paid
    0.2875       0.2875       0.2875       0.2875  

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Five Years Performance Graph
 
The following performance graph compares the changes in the cumulative shareholder return on California Water Service Group’s common stock with the cumulative total return on the Baird Water Utility Index and the Standard & Poor’s 500 Index during the last five years ended December 31, 2007. The comparison assumes $100 was invested on December 31, 2002, in California Water Service Group’s common stock and in each of the forgoing indices and assumes reinvestment of dividends.
 
 
Performance Graph Data
 
The following descriptive data is supplied in accordance with rule 304(d) of Regulations S-T:
 
                                                             
      2002     2003     2004     2005     2006     2007
California Water Services Group
      100         121         173         181         197         186  
S&P 500
      100         126         138         142         161         167  
Baird Water Utility Index
      100         125         144         185         183         172  
                                                             


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Item 6.   Selected Financial Data.
 
The following selected consolidated financial data should be read in conjunction with our Consolidated Financial Statements and the Notes thereto and the information contained in Item 7, “Managements Discussion and Analysis of Financial Condition and Results of Operations.” For a discussion of accounting changes that materially affect this financial data, see Note 2 to the Notes to the Consolidated Financial Statements.
 
Historical results are not necessarily indicative of future results.
 
FIVE YEAR FINANCIAL REVIEW
 
                                         
    2007     2006     2005     2004     2003  
    (Dollars in thousands, except common share and customer data)  
 
Summary of Operations
                                       
Operating revenue
                                       
Residential
  $ 253,745     $ 232,811     $ 222,634     $ 221,323     $ 194,903  
Business
    65,457       60,366       56,962       55,803       49,666  
Industrial
    17,403       16,286       14,241       13,592       11,255  
Public authorities
    17,952       15,728       14,965       15,118       12,789  
Other
    12,525       9,526       11,926       9,731       8,515  
                                         
Total operating revenue
    367,082       334,717       320,728       315,567       277,128  
Operating expenses
    322,912       294,411       278,903       273,488       244,167  
Interest expense, other income and expenses, net
    13,011       14,726       14,602       16,053       13,544  
                                         
Net income
  $ 31,159     $ 25,580     $ 27,223     $ 26,026     $ 19,417  
                                         
Common Share Data
                                       
Earnings per share — diluted
  $ 1.50     $ 1.34     $ 1.47     $ 1.46     $ 1.21  
Dividend declared
    1.160       1.150       1.140       1.130       1.125  
Dividend payout ratio
    77 %     86 %     78 %     77 %     93 %
Book value per share
  $ 18.66     $ 18.31     $ 15.98     $ 15.66     $ 14.44  
Market price at year-end
    37.02       40.40       38.23       37.65       27.40  
Common shares outstanding at year-end (in thousands)
    20,666       20,657       18,390       18,367       16,932  
Return on average common stockholders’ equity
    8.1 %     8.2 %     9.3 %     9.8 %     9.1 %
Long-term debt interest coverage
    3.70       3.17       3.61       3.38       2.78  
Balance Sheet Data
                                       
Net utility plant
  $ 1,010,196     $ 941,475     $ 862,731     $ 800,305     $ 759,498  
Utility plant expenditures (company & developer-funded)
    101,343       112,279       94,517       68,573       74,253  
Total assets
    1,184,499       1,165,019       996,945       942,853       873,035  
Long-term debt including current portion
    291,921       293,592       275,275       275,921       273,130  
Capitalization ratios:
                                       
Common stockholders’ equity
    56.9 %     56.0 %     51.4 %     50.8 %     47.0 %
Preferred stock
    0.5 %     0.5 %     0.6 %     0.6 %     0.7 %
Long-term debt
    42.6 %     43.5 %     48.0 %     48.6 %     52.3 %


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    2007     2006     2005     2004     2003  
    (Dollars in thousands, except common share and customer data)  
 
Other Data
                                       
Estimated water production (million gallons)
                                       
Wells and surface supply
    70,708       70,094       67,841       72,279       68,416  
Purchased
    70,530       62,320       61,612       66,760       63,264  
                                         
Total estimated water production
    141,238       132,414       129,453       139,039       131,680  
                                         
Metered customers
    412,432       407,762       402,191       395,286       387,579  
Flate-rate customers
    75,123       76,131       76,810       77,869       78,843  
                                         
Customers at year-end **
    487,555       483,893       479,001       473,155       466,422  
                                         
New customers added
    3,662       4,892       5,846       6,733       7,434  
Revenue per customer
  $ 753     $ 692     $ 670     $ 667     $ 594  
Utility plant per customer
    2,968       2,778       2,578       2,418       2,313  
Employees at year-end
    891       869       840       837       813  
 
 
** Includes customers of the City of Hawthorne and City of Commerce
 
Item 7.   Management’s Discussion and Analysis of Financial Condition and Results of Operations.
 
Overview
 
For 2007, net income was $31.2 million compared to $25.6 million in 2006, or an increase of 21.8%. The increase in net income was primarily caused by an increase in revenues to $367.1 million, or a 9.7% increase from 2006 which caused net operating income to increase $3.9 million to $44.2 million, or a 9.6% increase over 2006 levels. Other income reflected a net increase of $1.9 million due primarily to increased real estate sales and investment income. Diluted earnings per share for 2007 were $1.50 compared to $1.34 in 2006, or an increase of 11.9%. The increase in earnings per share was primarily due to the above mentioned facts offset in part by the dilutive affect of our stock offering completed during the fourth quarter of 2006.
 
We plan to continue to seek rate relief to recover our operating cost increases and receive reasonable returns on invested capital. We expect to fund our long-term capital needs through a combination of debt, common stock offerings, and cash flow from operations.
 
Critical Accounting Policies and Estimates
 
We maintain our accounting records in accordance with accounting principles generally accepted in the United States of America and as directed by the Commissions to which our operations are subject. The process of preparing financial statements requires the use of estimates on the part of management. The estimates used by management are based on historic experience and an understanding of current facts and circumstances. A summary of our significant accounting policies is listed in Note 2 of the Notes to Consolidated Financial Statements. The following sections describe the level of subjectivity, judgment, and variability of estimates that could have a material impact on the financial condition, operating performance, and cash flows of the business.
 
Regulated Utility Accounting
 
Because we operate extensively as a regulated business, we are subject to the provisions of Statement of Financial Accounting Standards (SFAS) No. 71, “Accounting for the Effects of Certain Types of Regulation.” Application of SFAS No. 71 requires accounting for certain transactions in accordance with regulations defined by the respective commission of that state. Under SFAS 71, a utility may defer costs and credits on the balance sheet as regulatory assets and liabilities when it is probable that those costs and credits will be recognized in the ratemaking process in a period different from the period in which they would have been reflected in income by an unregulated company. In determining the probability of costs being recognized in other periods, management considers

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regulatory rules and decisions, past practices, and other factors or circumstances that would indicate if recovery is probable. These deferred regulatory assets and liabilities are then reflected in the income statement in the period in which the same amounts are reflected in the rates charged for service. In the event that a portion of our operations were no longer subject to the provisions of SFAS No. 71, we would be required to write off related regulatory assets and liabilities that are not specifically recoverable and determine if other assets might be impaired. If a commission determined that a portion of our assets were not recoverable in customer rates, we would be required to determine if we had suffered an asset impairment that would require a write-down in the assets’ valuation. There was no such asset impairment in 2007, 2006 or 2005. Additional information relating to regulatory assets and liabilities are listed in Note 2 of the Notes to Consolidated Financial Statements.
 
Unbilled Revenue
 
Unbilled revenue is estimated for metered customers for water used between the last reading of the customer’s meter and the end of the accounting period. This estimate is based on the usage from the last bill to the customer, which normally covers a 30-day period, and is prorated from the last meter read date to the end of the accounting period. The amount of variability is low at December 31, as this is one of the lowest usage months of the year and usage for the previous 30-day period is relatively consistent during this time of the year. However, actual usage may vary from this estimate.
 
Flat-rate customers are billed in advance at the beginning of the service period. Since these are constant amounts, appropriate adjustments can be calculated to determine the revenue related to the applicable period.
 
Estimated Expenses
 
Some expenses are recorded using estimates, as actual payments are not known or processed by the accounting deadline. Estimates are made for unbilled purchased water, unbilled purchased power, unbilled pump taxes, payroll, incurred but not reported medical claims, allowance for doubtful accounts, and other expenses. While management believes its estimates are reasonable, actual results could vary. Differences between actual results and estimates are recorded in the period when the information is known.
 
Expense Balancing and Memorandum Accounts
 
Expense balancing accounts and memorandum accounts (offsettable expenses) represent recoverable costs incurred but not billed to customers. The amounts included in these accounts relate to rate changes charged to us for purchased water, purchased power, and pump taxes that are different from amounts incorporated into the rates approved by the CPUC. We do not record expense balancing or memorandum accounts in our financial statements as revenue, nor as a receivable, until the CPUC and other regulators have authorized recovery of the higher costs and customers have been billed. Therefore, a timing difference may occur between when costs and associated revenues are recognized. The balancing and memorandum accounts are only used to track the specific costs outside of the financial statements. The cost changes, which are beyond our control, are referred to as “offsetable expenses” because under certain circumstances, they are recoverable from customers in future offset rate increases. The amounts requested may not be ultimately collected through rates, as amounts may be disallowed during the review process or subject to a non-weather adjusted earnings test. While the adjustments would not impact previously recorded amounts, the adjustments may change future earnings and cash flows. At this time, we cannot predict the actual recovery (refund) associated with 2007 offsettable expenses to be requested in 2008. See “Rates and Regulations” below for more information. As of December 31, 2007, the amount in the balancing accounts is approximately $3.1 million.
 
Washington Water, New Mexico Water, and Hawaii Water did not have material amounts in expense balancing or memorandum accounts.
 
Income Taxes
 
Significant judgment is required in determining the provision for income taxes. The process involves estimating current tax exposure and assessing temporary differences resulting from treatment of certain items, such as depreciation, for tax and financial statement reporting. These differences result in deferred tax assets and


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liabilities, which are reported in the consolidated balance sheet. Management must also assess the likelihood that deferred tax assets will be recovered in future taxable income. To the extent recovery is unlikely, a valuation allowance would be required. If a valuation allowance was required, it could significantly increase income tax expense. In management’s view, a valuation allowance was not required at December 31, 2007. Additional information related to income taxes is presented in Note 11 of the Notes to Consolidated Financial Statements.
 
Employee Benefit Plans
 
We incur costs associated with our pension and postretirement health care benefits plans. To measure the expense of these benefits, management must estimate compensation increases, mortality rates, future health cost increases, and discount rates used to value related liabilities and to determine appropriate funding. Management works with independent actuaries to measure these benefits. Different estimates and/or actual amounts could result in significant variances in the costs and liabilities recognized for these benefit plans. The estimates used are based on historical experience, current facts, future expectations, and recommendations from independent advisors and actuaries.
 
We use an investment advisor to provide expert advice for managing investments in these plans. To diversify investment risk, the plan’s goal is to invest 40%-60% of the assets in domestic equity mutual funds, 5%-15% in foreign equity mutual funds, and 35%-45% in bond funds. At December 31, 2007, 49.5% of the assets were invested in domestic equity mutual funds, 10.7% in foreign equity mutual funds, and 39.8% in bond or cash equivalent funds. Based on the market values of the investment funds for the year ended December 31, 2007, the total return on the pension plan assets was 8% for 2007. For 2006 and 2005, returns were 12% and 6%, respectively. Future returns on investments could vary significantly from estimates and could impact earnings and cash flows. Management expects any changes to these costs to be recovered in future rate filings, mitigating the financial impact.
 
For measurement in 2007, management estimated the discount rate at 6.3%, which approximates the average return on long-term corporate bonds as of year-end, using the interest rate derived from the Citigroup Pension Discount Curve. As of December 31, 2006 and 2005, the equivalent level discount rates were 5.9% and 5.75%, respectively. Management assumed the rate of compensation increases to be 3.75% in the 2007 calculation. Any change in these assumptions would have an effect on the service costs, interest costs, and accumulated benefit obligations. Additional information related to employee benefit plans is presented in Note 12 of the Notes to Consolidated Financial Statements.
 
Workers’ Compensation, General Liability, and Other Claims
 
We are self-insured for a portion of workers’ compensation and general liability claims. Excess amounts are covered by insurance policies. For workers’ compensation, we work with an independent actuary firm to estimate the discounted liability associated with claims submitted and claims not yet submitted based on historical data. These estimates could vary significantly from actual claims paid, which could impact earnings and cash flows. For general liability claims and other claims, management estimates the cost incurred but not yet paid using historical information. Actual costs could vary from these estimates. Management believes actual costs incurred would be allowed in future rates, mitigating the financial impact.
 
Contingencies
 
We did not record any provisions relating to the contingencies reported in Note 15 of the Notes to Consolidated Financial Statements, as these did not qualify for recording under SFAS No. 5 or other accounting standards. If management’s assessment is incorrect, these items could have a material impact on our financial condition, results of operations, and cash flows.
 
Results of Operations
 
Earnings
 
Net income in 2007 was $31.2 million compared to $25.6 million in 2006 and $27.2 million in 2005. Diluted earnings per common share were $1.50 in 2007, $1.34 in 2006, and $1.47 in 2005. The weighted average number of


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common shares outstanding used in the diluted earnings per share calculation was 20,689,000 in 2007, 18,925,000 in 2006, and 18,402,000 in 2005. As explained below, the increase in 2007 earnings per share resulted from these primary factors:
 
  •  increased operating income, largely driven by rate increases and increased customer usage;
 
  •  an increase in the gain on sale of non-utility property; and
 
  •  increased investment income
 
Dividends
 
At the January 2008 meeting, the Board of Directors declared the quarterly dividend, increasing it for the 41st consecutive year. The quarterly dividend was raised from $0.2900 to $0.2925 per common share, or an annual rate of $1.17 per common share. Dividends have been paid for 63 consecutive years. The annual dividends paid per common share in 2007, 2006, and 2005 were $1.16, $1.15, and $1.14, respectively. Earnings not paid as dividends are reinvested in the business for the benefit of stockholders. The dividend payout ratio was 77% in 2007, 86% in 2006, and 78% in 2005, for an average of 80% over the three-year period.
 
Operating Revenue
 
Operating revenue in 2007 was $367.1 million, an increase of $32.4 million, or 9.7%, over 2006. Operating revenue in 2006 was $334.7 million, an increase of $14.0 million, or 4.4%, above 2005. The estimated sources of changes in operating revenue were:
 
                 
    2007     2006  
    Dollars in millions  
 
Rate increases
  $ 15.0     $ 10.1  
Customer usage
    14.7       0.8  
Usage by new customers
    2.7       3.1  
                 
Net change
  $ 32.4     $ 14.0  
                 
Average revenue per customer per year (in dollars)
  $ 753     $ 692  
New customers added
    3,662       4,892  
 
The usage by existing customers can materially change based upon current weather patterns, influenced both by temperature and rainfall. During the first half of 2007, we experienced dryer weather when compared to the prior year in many of our service areas, which contributed to the increase in usage by our existing customers.
 
In 2007, rate relief increased revenues by $15.0 million. See the “Rates and Regulation” section of this report for more information on regulatory activity occurring in 2006, 2007, and through February 1, 2008.
 
The number of customers in 2007 increased by 3,662 or an increase of 0.8% over 2006 levels. This increase includes 352 customers in New Mexico, 144 customers in Hawaii, 407 customers in Washington, and 2,759 additional customers in California. The growth of our customer base resulted from organic growth in our existing service areas with the exception of approximately 162 customers who were added through acquisition of systems in Washington.
 
Water Production Expenses
 
Water production expenses, which consist of purchased water, purchased power, and pump taxes, comprise the largest segment of total operating expenses. Water production costs accounted for 43.0%, 42.2%, and 41.2% of total operating costs in 2007, 2006, and 2005, respectively. The rates charged for wholesale water supplies, electricity, and pump taxes are established by various public agencies. As such, these rates are beyond our control.


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The table below provides the amount of increases (decreases), and percent changes in water production costs during the past two years:
 
                                                 
    2007     2006  
    Amount     Change     % Change     Amount     Change     % Change  
    Dollars in millions  
 
Purchased water
  $ 106.7     $ 13.3       14 %   $ 93.4     $ 5.9       7 %
Purchased power
    24.0       1.2       5 %     22.7       2.2       11 %
Pump taxes
    8.2       0.1       1 %     8.1       0.5       7 %
                                                 
Total water production expenses
  $ 138.9     $ 14.6       12 %   $ 124.2     $ 8.6       7 %
                                                 
 
Two of the principal factors affecting water production expenses are the amount of water produced and the source of the water. Generally, water from wells costs less than water purchased from wholesale suppliers.
 
The table below provides the amounts, percentage change, and source mix for the respective years:
 
                                                 
    2007     2006     2005  
    MG     % of total     MG     % of total     MG     % of total  
    Millions of gallons (MG)  
 
Source:
                                               
Wells
    65,562       46.4 %     64,481       48.7 %     62,780       48.5 %
% change from prior year
    2 %             3 %             (6 )%        
Purchased
    70,530       49.9 %     62,320       47.1 %     61,612       47.6 %
% change from prior year
    13 %             1 %             (8 )%        
Surface
    5,146       3.7 %     5,613       4.2 %     5,061       3.9 %
% change from prior year
    (8 )%             11 %             (5 )%        
                                                 
Total
    141,238       100.0 %     132,414       100.0 %     129,453       100.0 %
                                                 
% change from prior year
            7 %             2 %             (7 %)
 
Purchased water expenses are affected by changes in quantities purchased, supplier prices, and cost differences between wholesale suppliers. For 2007, the $13.3 million increase in purchased water is due to a 13% increase in quantities purchased and wholesale water rate increases of between 4.0% and 8.6% (See “Water Supply” in Item #1 of this report). For 2006, the $5.9 million increase in purchased water costs is due to a 2% increase in quantities purchased, magnified by overall higher wholesale water rates. For 2005, the $2.2 million decrease in purchased water costs is due to an 8% decrease in quantities purchased, partially offset by overall higher wholesale water rates. On an overall blended basis, wholesale water rates increased 5.6% on a cost-per-million-gallon basis in 2007. Purchased power expenses are affected by the quantity of water pumped from wells and moved through the distribution system, rates charged by electric utility companies, and rate structures applied to usage during peak and non-peak times of the day or season. The purchased power expense increase of $1.2 million was primarily due to the combination of increased well production and higher energy costs. Pump taxes increased $0.1 million in 2007 over 2006.
 
Administrative and General Expenses
 
Administrative and general expenses include payroll related to administrative and general functions, all employee benefits charged to expense accounts, insurance expenses, legal fees, regulatory utility commissions’ expenses, expenses associated with being a public company, and general corporate expenses.
 
During 2007, administrative and general expenses increased $1.5 million, or 2.8%, compared to 2006. Outside services increased $0.6 million or 15.4%, due primarily to increased legal expense. Fees to the Commissions (calculated as a percentage of revenue) increased $0.5 million due to the increased revenue and a change in the rate charged by the Commissions. Liability insurance increased $0.5 million, or 33.2%, due to higher insurance premiums. Other expense elements contributed to the balance of the change, but none were individually significant.


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During 2006, administrative and general expenses increased $4.0 million, or 8.2%, compared to 2005. Employee benefits increased $2.6 million, due primarily to increases in employee/retiree health care expenses. We also experienced higher costs for workers’ compensation, which increased $0.4 million, or 32%. Fees to the Commissions increased $0.6 million due to the increased revenue, as these fees are calculated as a percentage of revenue. Other expense elements contributed to the balance of the change, but none were individually significant.
 
Other Operations Expenses
 
The components of other operations expenses include payroll, material and supplies, and contract service costs of operating the regulated water systems, including the costs associated with water transmission and distribution, pumping, water quality, meter reading, billing, and operations of district offices.
 
For 2007, other operations expenses increased $3.4 million, or 7.9%, from 2006. The cost of operating the production and distribution systems increased $1.6 million, or 6.6% over the prior year. The largest increase in this category is the cost of labor and outside services for water treatment and water quality testing, which increased by $1.0 million, or 13%. The other major increase is due to additional provision for uncollectible accounts, which increased $1.1 million, or 122% over the prior year. We attribute the slow down of the economy and increased foreclosure of homes to be a key factor for the increase in expenses. Other expense elements contributed to the balance of the change, but none were individually significant.
 
For 2006, other operations expenses increased $2.9 million, or 7.2%, from 2005. The largest increase in this category were payroll costs which increased $1.1 million, or 6.8%, due to general wage increases and increases in the number of employees. Other expense elements contributed to the balance of the change, but none were individually significant.
 
Maintenance
 
Maintenance expenses increased $2.7 million, or 17.6%, in 2007, compared to 2006 due to increased costs for maintenance of mains and services. For 2006, maintenance expenses increased $0.4 million, or 2.5%, compared to 2005. In 2006, maintenance expense increased due to repairs of water treatment equipment, water mains, and wells.
 
Depreciation and Amortization
 
Depreciation and amortization increased due to the increased level of our capital expenditures and our use of a higher depreciation rate as authorized by the CPUC.
 
Income Taxes
 
For 2007, income taxes increased $3.9 million as compared to 2006. For 2006, income taxes decreased $3.2 million as compared to 2005. The increase in income tax for 2007, as compared to 2006, was due to higher pretax income. The effective tax rate was 39.9%, 39.7%, and 42.4% in 2007, 2006, and 2005, respectively. The effective tax rate was affected by the flow through method of accounting for income taxes which resulted from differences between tax depreciation and book depreciation on both pre-1982 assets, as well as all California assets. In addition, we benefit from an additional tax deduction for the qualified production activity deduction for income attributed to the production of water. The flow through method of accounting is described in the Summary of Significant Accounting Policies in the Notes to Consolidated Financial Statements. We anticipate the reversal of federal tax depreciation on pre-1982 assets to continue in future years; however, its effect on our tax provision is uncertain due to the offsetting flow-through of state tax depreciation, which continues to increase with capital additions and the impact of cost to remove of pre-1982 assets.
 
Property and Other Taxes
 
For 2007, expenses increased $0.8 million, or 6.0%, compared to 2006 due to increased local franchise tax, which is based upon revenue. For 2006, expenses increased $0.3 million, or 2.3% over 2005 levels. Increased property taxes were the primary cause for the increase in 2006.


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Non-Regulated Income, Net
 
The major components of non-regulated income are revenue and operating expenses related to the following activities:
 
  •  operating and maintenance services (O&M);
 
  •  meter reading and billing services;
 
  •  antenna site leases;
 
  •  Extended Service Protection (ESP);
 
  •  design and construction services; and
 
  •  interest income
 
For 2007, non-regulated income net of expenses increased $1.0 million, or 29%, compared to 2006. The increase was primarily due to increased non-regulated revenues from our ESP program, interest income, and antenna site leases. For 2006, non-regulated income increased $0.5 million, or 15%, compared to 2005. See Note 3 of the Notes to Consolidated Financial Statements for additional information.
 
Gain on Sale of Non-Utility Property
 
For 2007, pretax gains from non-utility property sales were $2.5 million compared to $0.3 million for 2006 and $2.2 million in 2005. Earnings and cash flow from these transactions are sporadic and may or may not continue in future periods, depending upon market conditions. The Company has other non-utility properties that may be marketed in the future based on real estate market conditions.
 
Interest Expenses
 
In 2007 interest expenses remained the same as there were no additional borrowings on either a long-term basis or on our line of credit. In 2006, interest expenses increased by $1.1 million, or 6%, as a result of our issuance of $20 million senior unsecured notes and higher interest rates. Capitalized interest in 2007, 2006, and 2005 was $2.6 million, $2.7 million, and $0.9 million, respectively. See the “Liquidity and Capital Resources” section for more information.
 
Rates and Regulation
 
The state regulatory commissions have plenary powers setting rates and operating standards. As such, state commission decisions significantly impact our revenues, earnings, and cash flow. The amounts discussed are generally annual amounts, unless specifically stated, and the financial impact to recorded revenue is expected to occur over a 12-month period from the effective date of the decision. In California, water utilities are required to make several different types of filings. Most filings result in rate changes that remain in place until the next General Rate Case (GRC). As explained below, surcharges and surcredits to recover balancing and memorandum accounts as well as the catch-up are temporary rate changes, which have specific time frames for recovery.
 
GRCs, step rate increase filings, and offset filings change rates to amounts that will remain in effect until the next GRC. The CPUC follows a rate case plan, which requires Cal Water to file a GRC for each of its 24 regulated operating districts every three years. In a GRC proceeding, the CPUC not only considers the utility’s rate setting requests, but may consider other issues that affect the utility’s rates and operations. Effective in 2004, Cal Water’s GRC schedule was shifted from a calendar year to a fiscal year with test years commencing on July 1st. The CPUC is generally required to issue its GRC decision prior to the first day of the test year or authorize interim rates. As such, Cal Water’s GRC decisions, prior to 2005, were generally issued in the fourth quarter, but are expected to be issued in the second quarter of each year until 2011, when the updated rate case plan takes effect. A decision on the eight GRCs filed in July of 2006 was delayed beyond July 1, 2007. As required by state law, the CPUC authorized interim rates incorporating the last twelve months change in CPI. A final decision on the 2006 GRC was made on December 20, 2007 with final rates billed effective on January 1, 2008. A provision in the final decision allows recovery of the revenue lost due to the delay over a twelve-month period beginning in the first quarter of 2008.


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Between GRC filings utilities may file step rate increases, which allow the utility to recover cost increases, primarily from inflation and incremental investment, during the second and third years of the rate case cycle. However, step rate increases are subject to a weather-normalized earnings test. Under the earnings test, the CPUC may reduce the step rate increase to prevent the utility from earning in excess of the authorized rate of return for that district.
 
In addition, utilities are entitled to file offset filings. Offset filings may be filed to adjust revenues for construction projects authorized in GRCs when the plant is placed in service or for rate changes charged to the Company for purchased water, purchased power, and pump taxes (referred to as “offsettable expenses”). Such rate changes approved in offset filings remain in effect until the next GRC is approved.
 
Surcharges and surcredits, which are usually effective for a twelve-month period, are authorized by the CPUC to recover the memorandum and balancing accounts under- and over-collections usually due to changes in offsettable expenses. However, significant under-collection may be authorized over multiple years. Typically, an expense difference occurs during the time period from when an offsettable expense rate changes and we are allowed to adjust its water rates. Expense changes for this regulatory lag period, which may exceed two months, are booked into memorandum and balancing accounts for later recovery. These accounts are subject to reasonableness review. Future recovery of balancing account balances will be addressed in general rate cases or by advice letter filings if the account balance is greater than 2% of revenues. As of December 31, 2006, and December 31, 2007, the amount in the balancing accounts was $1.5 million and $3.1 million, respectively. In 2007, Cal Water previously reported that its internal review of 2006 power rates in Southern California Edison tariff areas resulted in an increased expected recoverable balance in the balancing accounts which is now reflected in the December 31, 2007 balance.
 
We do not record an asset (or liability) for the recovery (or refund) of expense balancing or memorandum accounts in our consolidated financial statements as revenue (refunds), nor as a receivable (or payable), until the CPUC and other regulators have authorized recovery and the customer is billed. Therefore, a timing difference may occur between when costs are recorded as an expense and the associated revenues are received (or refunds are made) and booked.


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The following is a summary of rate filings and the anticipated annual impact on revenues. California decisions and resolutions may be found on the CPUC website at www.cpuc.ca.gov.
 
                             
                Increase (Decrease)
    CA District/
 
Type of Filing
  Decision/ Resolution       Approval Date   Annual Revenue     Subsidiary  
 
GRC, Step Rate and Offset Filings
                           
GRC 2006
  D.07-12-055   (1)   January, 2008   $ 5.8 million       8 districts  
Offset
  Various   (2)   January, 2008   $ 3.9 million       6 districts  
Offset
  AL 1838       November, 2007   $ 0.8 million       Los Altos  
Offset
  AL 1828, 1829, 1830       September, 2007   $ 1.5 million       3 districts  
GRC 2006 — Interim rates
  D.07-06-028       July, 2007   $ 2.0 million       8 districts  
Step Rate
  Various   (3)   July, 2007   $ 4.6 million       14 districts  
Offset
  AL 1805       May, 2007   $ 1.7 million       Stockton  
Offset
  AL 1801 and 1804       Feb-07   $ 0.9 million       2 districts  
Offset
  Various   (4)   Jan-07   $ 2.5 million       4 districts  
Step Rate
  Various   (5)   Jan-07   $ 1.8 million       7 districts  
GRC 2006
  60761       September 2006   $ 1.0 million       Washington  
Offset
  AL 1785, 1786, 1788       Oct-06   $ 2.3 million       3 districts  
GRC 2005
  D.06-08-011       September 2006   $ 4.9 million       8 districts  
Offset
  ALs 1776 and 1777       Jul-06   $ 2.2 million       2 districts  
Step Rate
  D.05-07-022       Jul-06   $ 4.7 million       8 districts  
Offset
  AL 1766       June 2006   $ 0.2 million       Westlake  
GRC-Sewer
  04-00247-UT       May-06   $ 0.1 million       New Mexico  
Offset
  AL 1748-A       Feb-06   $ 0.3 million       Selma  
Step Rate
  Various   (6)   Jan-06   $ 1.9 million       11 districts  
Surcharges and Surcredits
                           
Balancing
  AL 1835, 1836, 1837   (7)   October, 2007   $ 2.4 million       3 districts  
GRC 2005-Lost Revenue Recovery
  AL 1833       September, 2007   $ 0.5 million       8 districts  
Memorandum
  AL 1734A       Feb-06   $ 1.1 million       Salinas  
Balancing
  AL 1711A       Feb-06   $ (0.3 million )     Visalia  
Balancing
  AL 1718A       Feb-06   $ (0.4 million )     Hermosa-Redondo  
 
 
(1) The CPUC authorized a $7.8 million increase, which was inclusive of the $2.0 million granted in interim rates in July 2007.
 
(2) Increases result from advice letters 1844, 1845, 1846, 1849, 1850, and 1851.
 
(3) Increases were authorized in D.05-07-022 and D.06-08-011.
 
(4) Increases result from advice letters 1791, 1797, 1798, and 1799.
 
(5) Increases were authorized in D.03-09-021, D.04-04-041, and D.04-09-038.
 
(6) Increases were authorized in D.03-09-021, D.03-10-005, D.04-04-041, and D.04-09-038.
 
(7) Authorized surcharges are $2.4 million from October 2007 through September 2008 and $1.9 million from October 2008 through September 2009.


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The estimated impact of rate changes compared to the prior year is listed in the following table:
 
                         
    2007     2006     2005  
    Dollars in millions  
 
Step rate increases
  $ 6.6     $ 4.4     $ 4.8  
General Rate Case (GRC)
    3.3       5.7       5.8  
Offset (purchased water/pump taxes)
    4.6       3.2       1.2  
Balancing accounts, net
    0.1       (3.4 )     3.9  
Catch-up surcharge, net
    —       —       (3.5 )
Other
    0.4       0.2       —  
                         
Rate increases
  $ 15.0     $ 10.1     $ 12.2  
 
Remaining Unrecorded Balances from Previously Authorized Balancing Accounts Recoveries/Refunds
 
The total of unrecorded, under-collected memorandum and balancing accounts was approximately $3.1 million as of December 31, 2007. Included in this amount, Cal Water has amounts from districts that are pending further action when balances become large enough to warrant action of either recovery or refund.
 
Rate Case Plan
 
In December 2005, the CPUC issued the California Water Action Plan. The plan focuses on four key principles, among other things, including safe, high quality water; highly reliable water supplies; efficient use of water; and reasonable rates and viable utilities. In accordance with the Water Action Plan’s objective to streamline regulatory decision-making the CPUC issued R.06-12-016 in December 2006, to address streamlining of its water rate case plan. The CPUC issued D.07-05-062 on May 24, 2007 adopting a new rate case plan (RCP). As a result, Cal Water will be filing a company-wide general rate case every three years beginning in July 2009. Rates would be effective approximately 18 months from the filing date or January 1, 2011 in the first cycle. As an interim measure, the CPUC will allow Cal Water to incorporate general operations costs including company benefits in rates for all districts after a decision in its 2007 general rate case. In addition, for the sixteen districts that have a delayed effective date, the CPUC will authorize interim rates from the authorized effective date under the old rate case plan. These interim rates will be subject to adjustment based on a final determination in the 2009 general rate case filing. In addition to general rate case processing, the RCP set a schedule for separate cost of capital applications. Under the RCP, Cal Water would file its cost of capital application every three years beginning May 1, 2008. The CPUC plans to consolidate the May 1 applications of all multi-district Class A water utilities into a combined proceeding.
 
Pending Filings as of February 8, 2008:
 
2007 GRC Filing
 
On July 3, 2007, Cal Water filed its 2007 GRC application covering eight districts and general office costs. As provided in the RCP, Cal Water will be allowed to increase rates in all other regulated districts in California after a decision is adopted. Cal Water expects a decision regarding its 2007 GRC to be issued in the second or third quarter of 2008. If rates are not adopted as of July 1, 2008, Cal Water expects the CPUC will adopt an effective date of July 1 and allow interim rates. The amount requested in the 2007 GRC is approximately $67.5 million in 2008/2009, $21.9 million in 2009/2010, and $14.8 million in 2010/2011. These amounts include prorated general office costs Cal Water would apply to all its California regulated districts. The amounts granted may vary due to a variety of factors. Over the past few years, the amount approved by the CPUC has been substantially less than the requested amount. We are unable to predict the timing and final outcome of the filing at this time.
 
PBOP Application
 
In December 2006, Cal Water filed an application to allow it to recover additional funding associated with its postretirement benefit other than pensions (PBOP) or retiree healthcare plan. For the period 1993 through 2005, Cal Water funded and recognized as its PBOP expense at the Internal Revenue Code’s (IRC) maximum tax-deductible contribution level (Maximum Contribution Level) using an IRC 401(h) account as the funding mechanism. The


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excess expense between the Maximum Contribution Level and FAS 106 accrual during the employees’ expected service period was recorded as a regulatory asset. As of December 31, 2007, the regulatory asset was approximately $9.8 million.
 
In February 2007, the Division of Ratepayer Advocates (DRA) filed its protest to our PBOP application. In their protest, the DRA requested to dismiss the application with prejudice. Despite several attempts to settle the issues, the parties have been unable to reach a settlement. In October 2007, the CPUC held evidentiary hearings. Subsequently, the parties fully briefed the issues, and the evidentiary record was closed in December. On February 11, 2008, the Administrative Law Judge (ALJ) issued his proposed decision (PD) in Cal Water’s PBOP proceeding. The proposed decision is not a final decision on the matter, but recommends to the CPUC the ALJ’s findings, conclusions of law and recommended orders. The PD orders Cal Water to recover its regulatory asset as requested over a fifteen year period through a surcharge, which may be rolled into its general rates. DRA has requested oral arguments, which will give the parties a final opportunity to orally comment on the PD before all Commissioners. Following the oral arguments, the CPUC will issue its final decision on this matter.
 
In 2005, Cal Water established two Voluntary Employee Beneficiary Associations (VEBAs) to allow for increased funding, which also permit a current period income tax deduction. Cal Water intends to increase its funding, so the PBOP plan accrual is fully funded each year during the employee’s service period.
 
Conservation Application
 
Decision 06-08-011 directed Cal Water to file an application to implement conservation rates and a sales decoupling mechanism. On October 23, 2006, Cal Water filed Application 06-10-026 requesting a water revenue balancing account, a conservation memorandum account, and conservation rates. This request was consolidated with applications filed by other water companies in the CPUC’s Order Instituting Investigation 07-01-022. As of February 8, 2007, this proceeding is still open and pending CPUC approval.
 
2008 Regulatory Activity
 
In December 2007, Cal Water received a decision on its 2006 general rate case filing. The decision allowed an increase of $7.8 million in rates for eight districts. This increase is inclusive of the $2.0 million in interim rates approved in July 2007. As a result, in December 2007 Cal Water filed advice letters to implement the adopted rates in January 2008. Under CPUC advice letter processing rules, Cal Water charges the rates in compliance advice letters to its customers upon filing. These rates are subject to refund until approved by the CPUC staff. While these compliance filings have not been approved as of February 8, 2008, Cal Water expects that they will be approved and effective as filed.
 
In January 2008, Cal Water filed advice letters to offset increased purchased water and pump tax rates in six of its regulated districts. Under CPUC advice letter processing rules, Cal Water charges the rates in expense offset advice letters to its customers upon filing. These rates are subject to refund until approved by the CPUC staff. While these offsets have not been approved as of February 8, 2008, Cal Water expects that they will be approved and effective as filed.
 
In February 2008, Cal Water expects to file advice letters to recover the lost revenue resulting from the delayed effective date of a final decision in its 2006 GRC. The lost revenue request will be based on a calculation from recorded sales and customers during the period from July 2007 through January 2008. Cal Water cannot predict the exact dollar amount of the changes at this time, but expects they will be collected as a surcharge on customer bills for a twelve-month period beginning in the first quarter of 2008.
 
In April and July 2008, Cal Water plans to file advice letters to offset expected increases in purchased water and pump tax charges in some districts. Cal Water cannot predict the exact timing or dollar amount of the changes. However, expense offsets are dollar-for-dollar increases in revenue to match increased expenses.
 
In May 2008, Cal Water is required to file an application for its cost of capital requirements under the CPUC’s rate case plan. This will be the first stand-alone cost of capital filing under new rules. As such, Cal Water cannot predict whether or when this application would change rates, or the magnitude of any potential changes.


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Cal Water intends to file for step rate increases in July 2008 for sixteen districts. The CPUC’s current practice on approving step rate increases is based partly on inflation through March 2008. Inputs to the weather-adjusted earnings test include recorded information through March 2008. Therefore, Cal Water does not know the amount of its request at this time.
 
Water Supply
 
Our source of supply varies among our operating districts. Certain districts obtain all of their supply from wells; some districts purchase all of their supply from wholesale suppliers; and other districts obtain supply from a combination of wells and wholesale suppliers. A small portion of supply comes from surface sources and is processed through Company-owned water treatment plants. To the best of management’s knowledge, we are meeting water quality, environmental, and other regulatory standards for all company-owned systems.
 
California’s normal weather pattern yields little precipitation between mid-spring and mid-fall. The Washington Water service areas receive precipitation in all seasons, with the heaviest amounts during the winter. New Mexico Water’s rainfall is heaviest in the summer monsoon season. Hawaii Water receives precipitation throughout the year, with the largest amounts in the winter months. Water usage in all service areas is highest during the warm and dry summers and declines in the cool winter months. Rain and snow during the winter months replenish underground water aquifers and fill reservoirs, providing the water supply for subsequent delivery to customers. To date, snowpack water content and rainfall accumulation during the 2007-2008 water year has been above average. Precipitation in the prior year was below average. Management believes that supply pumped from underground aquifers and purchased from wholesale suppliers will be adequate to meet customer demand during 2008 and beyond. Long-term water supply plans are developed for each of our districts to help assure an adequate water supply under various operating and supply conditions. Some districts have unique challenges in meeting water quality standards, but management believes that supplies will meet current standards using current treatment processes.
 
Liquidity and Capital Resources
 
Cash flow from Operations
 
During 2007 we generated cash flow from operations of approximately $50 million, compared to $61 million during 2006, and $82 million in 2005. Cash flow from operations is primarily generated by net income and non-cash expenses for depreciation and amortization and deferred income taxes. Cash generated by operations varies during the year.
 
The water business is seasonal. Revenue is lower in the cool, wet winter months when less water is used compared to the warm, dry summer months when water use is highest. This seasonality results in the possible need for short-term borrowings under the bank lines of credit in the event cash is not available during the winter period. The increase in cash flow during the summer allows short-term borrowings to be paid down. Customer water usage can be lower than normal in years when more than normal precipitation falls in our service areas or temperatures are lower than normal, especially in the summer months. The reduction in water usage reduces cash flow from operations and increases the need for short-term bank borrowings. In addition, short-term borrowings are used to finance capital expenditures until long-term financing is arranged.
 
Investing Activities
 
During 2007 we used $76 million of cash for company-funded capital expenditures and $1.5 million for acquisitions of new systems. Capital expenditures were budgeted at approximately $85 million. At December 31, 2007, we had accrued payables of $11.2 million related to company-funded capital projects. Developer funded capital expenditures were $25.3 in 2007 compared to $26 million in 2006. Developer funded projects vary year-to-year based upon housing markets in our service area.


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Financing Activities
 
During 2007 there were no debt or equity offerings, as we had adequate funds from the equity offering in 2006. Dividend payments were higher in 2007 from the prior year due to additional shares outstanding and a higher dividend rate in 2007.
 
Short-Term Financing
 
Short-term liquidity is provided by credit facilities extended to us and certain of our subsidiaries and by internally generated funds. Long-term financing is accomplished through use of both debt and equity. Short-term bank borrowings were zero at December 31, 2007, and December, 2006. Cash and cash equivalents were $6.7 million at December 31, 2007, and $60.3 million at December 31, 2006. Given our ability to access our lines of credit on a daily basis, cash balances are managed to levels required for daily cash needs and excess cash is invested in short-term or cash equivalent instruments. Minimal operating levels of cash are maintained for Washington Water, New Mexico Water, and Hawaii Water.
 
Cal Water has a $55 million credit facility agreement that expires in April, 2012. The agreement requires debt as a percent of total capitalization to be less than 67%. To date, we have met all covenant requirements and are eligible to use the full amount of the commitment. In addition to borrowings, the credit facility allows for letters of credit up to $10 million, which reduces the available amount to borrow when utilized. One letter of credit was outstanding at December 31, 2007, for $0.5 million related to an insurance policy. Interest is charged on a variable basis and fees are charged for unused amounts. As of December 31, 2007, there were no borrowings against the credit facility.
 
A separate credit facility for $20 million also exists for use by us and our subsidiaries, including Washington Water, New Mexico Water, and Hawaii Water. The term of the current agreement expires in April 2012. The agreement requires debt as a percent of total capitalization to be less than 67% and an interest coverage ratio of at least 2.5:1.0. To date, we have met all covenant requirements and are eligible to use the full amount of the commitment. In addition to borrowings, the credit facility allows for letters of credit up to $5 million, which would reduce the amount available to be borrowed under the credit facility. No letters of credit were outstanding at December 31, 2007. Interest is charged on a variable basis and fees are charged for unused amounts. As of December 31, 2007, there were no borrowings against the credit facility.
 
Credit Ratings
 
Cal Water’s first mortgage bonds are rated by Standard & Poor’s (S&P). Since 2004, the credit rating agency has maintained their rating of A+ and characterized us as stable. In the past, the credit agency has been concerned over the rate-setting process and decisions by the CPUC. Also, concerns were raised about our present level of capital expenditures, which will need to be partially financed through long-term borrowings or equity offerings. Management believes we would be able to meet financing needs even if ratings were downgraded, but a rating change could result in a higher interest rate on new debt.
 
Long-Term Financing
 
Long-term financing, which includes senior notes, other debt securities, and common stock, has been used to replace short-term borrowings and fund capital expenditures. Internally generated funds, after making dividend payments, provide positive cash flow, but have not been at a level to meet the needs of our capital expenditure requirements. Management expects this trend to continue given our capital expenditures plan for the next 5 years. Some capital expenditures are funded by payments received from developers for contributions in aid of construction or advances for construction. Funds received for contributions in aid of construction are non-refundable, whereas funds classified as advances in construction are refundable. Management believes long-term financing is available to meet our cash flow needs through issuances in both debt and equity markets.
 
In September 2004, the CPUC issued a decision granting Cal Water authority to complete up to $250 million of equity and debt financing through 2010, subject to certain restrictions. Following our financing activities during


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2006 we have approximately $150 million of authorized equity and debt financing that we can complete through 2010 without seeking further authorization from the CPUC.
 
During 2006, we raised approximately $103 million of capital. Of this amount, $20 million was raised through privately placed senior unsecured notes. The remaining $83 million was raised through the issuance of 2.3 million shares of common stock.
 
In September 2006, we filed a shelf registration statement with the SEC for up to $150 million in preferred stock and common stock in addition to our prior shelf registration permitting up to $35.6 million in preferred stock and common stock. On October 12, 2006, we completed an underwritten public offering of 2,250,000 shares of our common stock (including 250,000 shares pursuant to the exercise, in part, by the underwriters of their over-allotment option) at a price per share of $36.75 to the public, raising approximately $83 million in gross proceeds. For additional information please reference our Form 8-K, dated October 12, 2006 on file with the SEC. After issuance of these shares, we had approximately $101 million in remaining securities available for future issuance under our shelf registration.
 
In 2007, we utilized cash generated from operations and financing activities in 2006. In future periods, management anticipates funding our capital needs through a relatively balanced approach between long term debt and equity.
 
We did not issue any significant long-term debt or common stock in 2007.
 
Additional information regarding the bank borrowings and long-term debt is presented in Notes 8 and 9 in the Notes to Consolidated Financial Statements.
 
Off-Balance Sheet Transactions
 
We do not utilize off-balance-sheet financing or utilize special purpose entity arrangements for financing. We do not have equity ownership through joint ventures or partnership arrangements.
 
Contractual Obligations
 
                                         
          Less than
                After
 
    Total     1 Year     1-3 Years     3-5 Years     5 Years  
    (In thousands)  
 
Long-term debt
  $ 291,921     $ 2,701     $ 5,115     $ 8,357     $ 275,748  
Interest payments
    254,103       17,873       35,245       34,226       166,759  
Advances for construction
    168,024       5,712       11,281       11,214       139,817  
Office leases
    1,553       702       589       214       48  
System leases
    8,842       961       1,922       1,709       4,250  
Water supply contracts
    467,035       17,236       34,472       34,472       380,855  
                                         
TOTAL
  $ 1,191,478     $ 45,185     $ 88,624     $ 90,192     $ 967,477  
 
Our contractual obligations are summarized in the table above. For pension and post retirement benefits other than pension obligations see Note 12 to the Notes to the consolidated Financial Statements. Long-term debt payments include annual sinking fund payments on first mortgage bonds, maturities of long-term debt, and annual payments on other long-term obligations. Advances for construction represent annual contract refunds to developers for the cost of water systems paid for by the developers. The contracts are non-interest bearing, and refunds are generally on a straight-line basis over a 40-year period. System and office leases include obligations associated with leasing water systems and rents for office space.
 
Cal Water has water supply contracts with wholesale suppliers in 14 of its operating districts and for the two leased systems in Hawthorne and Commerce. For each contract, the cost of water is established by the wholesale supplier and is generally beyond our control. The amount paid annually to the wholesale suppliers is charged to purchased water expense on our statement of income. Most contracts do not require minimum annual payments and vary with the volume of water purchased.


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We have a contract with the Santa Clara Water District, which contains minimal purchase provisions. The contract payment varies with the volume of water purchased above the minimal levels. Management plans to continue to purchase and use at least the minimum water requirement under this contract in the future. Total paid under this contract was $6.2 million in 2007, $5.3 million in 2006, and $4.8 million in 2005.
 
The water supply contract with Stockton East Water District (SEWD) requires a fixed, annual payment and does not vary during the year with the quantity of water delivered by the district. Due to the fixed price arrangement, we utilize as much water as possible from SEWD in order to minimize the cost of operating Company-owned wells used to supplement SEWD deliveries. The total paid under the contract was $5.5 million in 2007, $4.4 million in 2006, and $4.3 million in 2005. Pricing under the contract varies annually. Estimated annual contractual obligations in the above table are based on the same payment level as 2007. Future cost increases by SEWD are expected to be offset by a decline in the allocation of costs to us as more of these costs are expected to be allocated to other SEWD customers due to growth within their service areas.
 
On September 21, 2005, we entered into an agreement with Kern County Water Agency (Agency) to obtain treated water for our operations. The term of the agreement is to January 1, 2035, or until the Agency’s bonds are repaid. The Agency’s bonds are described below. Under the terms of the agreement, we were obligated to purchase approximately 12,200 acre feet of treated water in 2007 and an incrementally higher volume of water for each subsequent year until 2017, when we are obligated to purchase 20,500 acre feet of treated water per year. We are obligated to pay a capital facilities charge and a treated water charge, both of which will be expensed as invoiced, regardless of whether we can use the water in our operation, and we are obligated for these charges even if the Agency cannot produce an adequate amount to supply the 20,500 acre feet in the year. This agreement supersedes a prior agreement with Kern County Water Agency for the supply of 11,500 acre feet of water per year. Total paid, under the prior agreement, was $2.9 million in 2007, and 3.3 million in 2006 and 2005.
 
Three other parties, including the City of Bakersfield, are also obligated to purchase a total of 32,500 acre feet per year under separate agreements with the Agency. Further, the Agency has the right to proportionally reduce the water supply provided to all of the participants if it cannot produce adequate supplies. The participation of all parties in the transaction for expansion of the Agency’s facilities, including its water purification plant, purchase of the water, and payment of interest and principal on the bonds being issued by the Agency to finance the transaction, is required as a condition to the obligation of the Agency to proceed with expansion of the Agency’s facilities. If any of the other parties does not use its allocation in a given year, that party is still obligated to pay its contracted amount.
 
The Agency is planning to issue bonds to fund the project and will use the payments of the capital facilities charges by us and the other contracted parties to meet the Agency’s obligations to pay interest and repay principal on the bonds. If any of the parties were to default on making payments of the capital facilities charge, then the other parties are obligated to pay for the defaulting party’s share on a pro-rata basis. If there is a payment default by a party and the remaining parties have to make payments, they are also entitled to a pro-rata share of the defaulting party’s water allocation.
 
We expect to use all our contracted amount of water in our operations every year. If additional treated water is available, all parties have an option to purchase this additional treated water, subject to the Agency’s right to allocate the water among the parties. If we were to pay for and receive additional amounts of water due to a default of another participating party, we believe we could use this additional water in our operations without incurring substantial increases in incremental costs.
 
The total obligation of all parties, excluding us, is approximately $50 million to the Agency. Based on the credit worthiness of the other participants, which are government entities, our management believes it to be highly unlikely that we would be required to assume any other parties’ obligations under the contract due to their default. If a party defaults, we would receive entitlement to the additional water for assuming the additional obligation.
 
Once the project is complete, we are obligated to pay a capital facilities charge and a treated water charge that together total $4.7 million annually, which equates to $231 per acre foot. Annual payments of $2.0 million for the capital facilities charge will begin when the Agency issues bonds to fund the project. Some of the treated water charge of $2.7 million is expected to begin July 1, 2007, when a portion of the planned capacity is expected to be available. The expanded water treatment plant is expected to be at full capacity by July 1, 2008, and at that time, the


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full annual payments of $4.7 million would be made and continue through the term of the agreement. Once treated water is being delivered, we will also be obligated for our portion of the operating costs; that portion is currently estimated to be $69 per acre foot. The actual amount will vary due to variations from estimates, inflation, and other changes in the cost structure. Our overall estimated cost of $300 per acre foot is less than the estimated cost of procuring untreated water (assuming water rights could be obtained) and then providing treatment.
 
Capital Requirements
 
Capital requirements consist primarily of new construction expenditures for expanding and replacing utility plant facilities and the acquisition of water systems. They also include refunds of advances for construction.
 
Company-funded utility plant expenditures were $76.0 million, $88.4 million, and $73.8 million in 2007, 2006, and 2005, respectively. A majority of capital expenditures was associated with mains and water treatment equipment.
 
For 2008, Company-funded capital expenditures are budgeted at approximately $85 million. We do not expect a decline in annual capital expenditure for the next five years.
 
Other capital expenditures are funded through developer advances and contributions in aid of construction (non-company funded). The expenditure amounts were $25.3 million, $26.0 million, and $16.9 million in 2007, 2006, and 2005, respectively. The changes from year-to-year reflect expansion projects by developers in our service areas.
 
Management expects us to incur non-company funded expenditures in 2008. These expenditures will be financed by developers through refundable advances for construction and non-refundable contributions in aid of construction. Developers are required to deposit the cost of a water construction project with us prior to our commencing construction work, or the developers may construct the facilities themselves and deed the completed facilities to us. Funds are generally received in advance of incurring costs for these projects. Advances are normally refunded over a 40-year period without interest. Future payments for advances received are listed under contractual obligations above. Because non-company-funded construction activity is solely at the discretion of developers, we cannot predict the level of future activity. The cash flow impact is expected to be minor due to the structure of the arrangements.
 
Capital Structure
 
In 2007, common stockholders’ equity was $385.7 million. In 2006, common stockholders’ equity increased by $84.4 million, due primarily to a net increase in Common Stock of $79.6 million, which was the direct result of the aforementioned October 2006 public offering. In 2006, the long-term debt increased $18.3 million due primarily to the issuance of $20 million of senior unsecured notes. See the Long-Term Financing section above for additional information.
 
Total capitalization at December 31, 2007, was $678.4 million and $673.6 million at December 31, 2006. The Company intends to issue common stock and long-term debt to finance our operations. The capitalization ratios will vary depending upon the method we choose to finance our operations.
 
At December 31, 2007, capitalization ratios were:
 
                 
    2007     2006  
 
Common equity
    56.9 %     56.2 %
Preferred stock
    0.5 %     0.5 %
Long-term debt
    42.6 %     43.3 %
 
The return (from both regulated and non-regulated operations) on average common equity was 8.1% in 2007 compared to 8.2% in 2006.


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Acquisitions
 
Although there were no significant acquisitions in the periods presented, the following acquisitions were completed in 2007, 2006 and 2005.
 
In 2007, after receiving regulatory approval, we acquired a water system with allowed rate base of approximately $425,000 for $388,000 in cash. In addition, in Washington we acquired five water systems for $1.1 million in cash, which was the approximate value of rate base of the systems.
 
In August 2006, we acquired the assets of Independent Utility Company, for approximately $0.5 million in cash in exchange for the assets of the system, including three wells and 340 acre-feet of water rights. Located 15 miles east of Albuquerque, New Mexico, we merged the system and its 400 customers into New Mexico Water Service Company. No goodwill was recorded in the transaction.
 
In April 2005, we acquired the water system assets of the Los Trancos Water District for $125,000 in cash. The Los Trancos water system and its 270 customers were merged into California Water Service Company’s Bear Gulch district. The purchase price was approximately equal to rate base and no goodwill was recorded in the transaction.
 
In June 2005, we acquired the water system assets of Gamble Bay for $370,000. We assumed net liabilities of $336,000 and the balance was paid in cash. We merged the water system and its 169 customers into Washington Water. We recorded an acquisition adjustment of $18,000, which we believe will be included in rate base. As such, the purchase price is approximately equal to rate base and no goodwill was recorded.
 
In June 2005, we acquired the water system assets of the Cypress Gardens Water Company for $312,000 in cash. We merged the water system and its 350 customers into New Mexico Water. The purchase price is approximately equal to rate base and no goodwill was recorded.
 
Real Estate Program
 
We own real estate. From time to time, certain parcels are deemed no longer used or useful for water utility operations. Most surplus properties have a low cost basis. We developed a program to realize the value of certain surplus properties through sale or lease of those properties. The program will be ongoing for a period of several years. Property sales produced pretax gains of $2.5 million, $0.4 million, and $2.3 million in 2007, 2006, and 2005, respectively. As sales are dependent on real estate market conditions, future sales, if any, may or may not be at prior year levels.
 
Item 7A.   Quantitative and Qualitative Disclosures About Market Risk
 
We do not participate in hedge arrangements, such as forward contracts, swap agreements, options, or other contractual agreements to mitigate the impact of market fluctuations on our assets, liabilities, production, or contractual commitments. We operate only in the United States and, therefore, are not subject to foreign currency exchange rate risks.
 
Terrorism Risk
 
Due to terrorist risks, we have heightened security at our facilities over the past few years and have taken added precautions to protect our employees and the water delivered to customers. We have complied with EPA regulations concerning vulnerability assessments and have made filings to the EPA as required. In addition, communication plans have been developed as a component of our procedures related to this risk. While we do not make public comments on our security programs, we have been in contact with federal, state, and local law enforcement agencies to coordinate and improve our water delivery systems’ security.
 
Interest Rate Risk
 
We are subject to interest rate risk, although this risk is lessened because we operate in a regulated industry. If interest rates were to increase, management believes customer rates would increase accordingly, subject to Commission approval in future GRC filings. The majority of our debt is long-term at a fixed rate. Interest rate


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risk does exist on short-term borrowings within our credit facilities, as these interest rates are variable. We also have interest rate risk on new financing, as higher interest cost may occur on new debt if interest rates increase.
 
Stock Price Risk
 
Because we operate primarily in a regulated industry, our stock price volatility risk is somewhat lessened; however, regulated parameters also can be recognized as limitations to operations, earnings, and the ability to respond to certain business condition changes. An adverse change in the stock price could make issuance of common stock less attractive in the future.
 
Stock Market Performance Risk
 
Our stock price could be affected by changes in the general market. This could impact the costs of obtaining funds through the equity markets. Stock market performance could also impact us through the investments by our defined benefit plan and postretirement medical benefit plan. We are responsible for funding these plans. Plan investments are made in stock market equities using mutual funds and in corporate bonds. Poor performance of the equity and bond markets could result in increased costs and additional funding requirements due to lower investment returns. Management believes we would be able to recover these higher costs in customer rates.
 
Equity Risk
 
We do not have equity investments and, therefore, do not have equity risks.


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Item 8.   Financial Statements and Supplementary Data.
 
Report of Independent Registered Public Accounting Firm
 
The Board of Directors and Stockholders
California Water Service Group:
 
We have audited the accompanying consolidated balance sheets of California Water Service Group and subsidiaries as of December 31, 2007 and 2006, and the related consolidated statements of income, common stockholders’ equity and comprehensive income, and cash flows for each of the years in the three-year period ended December 31, 2007. These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits.
 
We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.
 
In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of California Water Service Group and subsidiaries as of December 31, 2007 and 2006, and the results of their operations and their cash flows for each of the years in the three-year period ended December 31, 2007, in conformity with U.S. generally accepted accounting principles.
 
As discussed in Note 2 to the consolidated financial statements, effective January 1, 2007, California Water Service Group adopted the provisions of Financial Accounting Standards Board (FASB) Interpretation No. 48, Accounting for Uncertainty in Income Taxes — an interpretation of FASB Statement No. 109.
 
Also as discussed in Note 2 to the consolidated financial statements, effective January 1, 2006, the Company adopted the provisions of Statement of Financial Accounting Standards (SFAS) No. 123 (revised 2004), Share-Based Payment, and effective December 31, 2006, the Company adopted the initial funded status recognition and disclosure provisions of SFAS No. 158, Employers’ Accounting for Defined Benefit Pension and Other Postretirement Plans — an Amendment of FASB Statements No. 87, 88, 106, and 132(R). In addition, the Company changed its method for quantifying errors in its financial statements in 2006.
 
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), California Water Service Group’s internal control over financial reporting as of December 31, 2007, based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and our report dated February 28, 2008, expressed an unqualified opinion on the effectiveness of California Water Service Group’s internal control over financial reporting.
 
/s/  KPMG LLP
 
Mountain View, California
February 28, 2008


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Report of Independent Registered Public Accounting Firm
 
The Board of Directors and Stockholders
California Water Service Group:
 
We have audited California Water Service Group’s internal control over financial reporting as of December 31, 2007, based on the criteria established in Internal Control — Integrated Framework, issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Management of California Water Service Group is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Managements’ Report on Internal Control Over Financial Reporting appearing under Item 9A. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.
 
We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.
 
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
 
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
 
In our opinion, California Water Service Group maintained, in all material respects, effective internal control over financial reporting as of December 31, 2007, based on criteria established in Internal Control-Integrated Framework, issued by the COSO.
 
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of California Water Service Group and subsidiaries as of December 31, 2007 and 2006, and the related consolidated statements of income, common stockholders’ equity and comprehensive income, and cash flows for each of the years in the three-year period ended December 31, 2007, and our report dated February 28, 2008 expressed an unqualified opinion on those consolidated financial statements.
 
/s/  KPMG LLP
 
Mountain View, California
February 28, 2008


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Consolidated Balance Sheets
 
                 
    December 31,  
    2007     2006  
    In thousands, except per share data  
 
ASSETS
Utility plant:
               
Land
  $ 17,191     $ 15,460  
Depreciable plant and equipment
    1,370,409       1,278,356  
Construction work in progress
    43,646       35,659  
Intangible assets
    15,801       14,940  
                 
Total utility plant
    1,447,047       1,344,415  
Less accumulated depreciation and amortization
    (436,851 )     (402,940 )
                 
Net utility plant
    1,010,196       941,475  
                 
Current assets:
               
Cash and cash equivalents
    6,734       60,312  
Receivables, net of allowance for doubtful accounts of $641 and $260, respectively:
               
Customers
    18,600       19,526  
Other
    8,617       6,700  
Unbilled revenue
    12,911       11,341  
Materials and supplies at weighted average cost
    4,744       4,515  
Prepaid pension expense
    —       1,696  
Taxes, prepaid expenses, and other assets
    8,369       5,534  
                 
Total current assets
    59,975       109,624  
                 
Other assets:
               
Regulatory assets
    90,908       93,785  
Unamortized debt premium and expense
    6,745       7,418  
Other
    16,675       12,717  
                 
Total other assets
    114,328       113,920  
                 
    $ 1,184,499     $ 1,165,019  
                 
 
CAPITALIZATION AND LIABILITIES
Capitalization:
               
Common stock, $0.01 par value; 25,000 shares authorized, 20,666 and 20,657, outstanding in 2007 and 2006, respectively
  $ 207     $ 207  
Additional paid-in capital
    211,885       211,513  
Retained earnings
    173,617       166,582  
                 
Total common stockholders’ equity
    385,709       378,302  
Preferred stock without mandatory redemption provision, $25 par value, 380 shares authorized, 139 shares outstanding
    3,475       3,475  
Long-term debt, less current maturities
    289,220       291,814  
                 
Total capitalization
    678,404       673,591  
                 
Current liabilities:
               
Current maturities of long-term debt
    2,701       1,778  
Accounts payable
    36,694       33,130  
Income taxes payable
    —       7,918  
Accrued other taxes
    2,216       1,971  
Accrued interest
    3,073       3,072  
Other accrued liabilities
    24,969       22,356  
                 
Total current liabilities
    69,653       70,225  
                 
Unamortized investment tax credits
    2,467       2,541  
Deferred income taxes
    69,712       69,503  
Regulatory liabilities
    20,386       19,954  
Pension and postretirement benefits other than pension
    39,444       48,584  
Advances for construction
    168,024       157,660  
Contributions in aid of construction
    118,012       109,504  
Other long-term liabilities
    18,397       13,457  
Commitments and contingencies
    —       —  
                 
    $ 1,184,499     $ 1,165,019  
                 
 
See accompanying Notes to Consolidated Financial Statements.


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Consolidated Statements of Income
 
                         
    For the Years Ended December 31,  
    2007     2006     2005  
    In thousands, except per share data  
 
Operating revenue
  $ 367,082     $ 334,717     $ 320,728  
                         
Operating expenses:
                       
Operations:
                       
Purchased water
    106,748       93,426       87,504  
Purchased power
    23,974       22,738       20,541  
Pump taxes
    8,161       8,094       7,620  
Administrative and general
    54,262       52,793       48,771  
Other
    46,310       42,923       40,032  
Maintenance
    18,336       15,591       15,216  
Depreciation and amortization
    33,563       30,652       28,731  
Income taxes
    17,887       15,297       17,875  
Property and other taxes
    13,671       12,897       12,613  
                         
Total operating expenses
    322,912       294,411       278,903  
                         
Net operating income
    44,170       40,306       41,825  
                         
Other income and expenses:
                       
Non-regulated revenue
    13,557       10,645       9,261  
Non-regulated expense
    (9,114 )     (7,208 )     (6,282 )
Gain on sale of non-utility property
    2,516       348       2,250  
Less: income taxes on other income and expenses
    (2,836 )     (1,542 )     (2,131 )
                         
Net other income and expenses
    4,123       2,243       3,098  
                         
Interest expense:
                       
Interest expense
    19,719       19,669       18,600  
Less capitalized interest
    (2,585 )     (2,700 )     (900 )
                         
Net interest expense
    17,134       16,969       17,700  
                         
Net income
  $ 31,159     $ 25,580     $ 27,223  
                         
Earnings per share:
                       
Basic
  $ 1.50     $ 1.34     $ 1.47  
Diluted
  $ 1.50     $ 1.34     $ 1.47  
Weighted average number of common shares outstanding:
                       
Basic
    20,665       18,905       18,379  
Diluted
    20,689       18,925       18,402  
 
See accompanying Notes to Consolidated Financial Statements.


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Consolidated Statements of Common Stockholders’ Equity and Comprehensive Income
 
For the years ended December 31, 2007, 2006 and 2005
 
                                                 
                            Accumulated
       
                Additional
          Other
    Total
 
    Common Stock     Paid-in
    Retained
    Comprehensive
    Stockholders’
 
    Shares     Amount     Capital     Earnings     Income (Loss)     Equity  
    In thousands  
 
Balance at December 31, 2004
    18,367     $ 184     $ 131,271     $ 156,851     $ (701 )   $ 287,605  
                                                 
Net income
            —       —       27,223       —       27,223  
Net other comprehensive loss
            —       —       —       (501 )     (501 )
                                                 
Comprehensive income
            —       —       —       —       26,722  
Issuance of common stock
    23       —       720       —       —       720  
Dividends paid:
                                               
Preferred stock
            —       —       (153 )     —       (153 )
Common stock
            —       —       (20,953 )     —       (20,953 )
                                                 
Total dividends paid
            —       —       (21,106 )     —       (21,106 )
                                                 
Balance at December 31, 2005
    18,390       184       131,991       162,968       (1,202 )     293,941  
Net income
            —       —       25,580       —       25,580  
Reclassification of minimum pension liability to regulatory asset, net of tax effect of $802, in conjunction with the implementation of SFAS no. 158 (see Note 12)
            —       —       —       1,202       1,202  
                                                 
Comprehensive income
            —       —       —       —       26,782  
Issuance of common stock, net of expenses of $3,680
    2,267       23       79,522       —       —       79,545  
Dividends paid:
                                               
Preferred stock
            —       —       (153 )     —       (153 )
Common stock
            —       —       (21,813 )     —       (21,813 )
                                                 
Total dividends paid
            —       —       (21,966 )     —       (21,966 )
                                                 
Balance at December 31, 2006
    20,657       207       211,513       166,582       —       378,302  
Net income
            —       —       31,159       —       31,159  
Issuance of common stock
    9       —       372       —       —       372  
Dividends paid:
                                               
Preferred stock
            —       —       (153 )     —       (153 )
Common stock
            —       —       (23,971 )     —       (23,971 )
                                                 
Total dividends paid
            —       —       (24,124 )     —       (24,124 )
                                                 
Balance at December 31, 2007
    20,666     $ 207     $ 211,885     $ 173,617       —     $ 385,709  
                                                 
 
See accompanying Notes to Consolidated Financial Statements.


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Consolidated Statements of Cash Flows
 
                         
    For the Years Ended December 31,  
    2007     2006     2005  
    In thousands  
 
Operating activities:
                       
Net income
  $ 31,159     $ 25,580     $ 27,223  
                         
Adjustments to reconcile net income to net cash provided by operating activities:
                       
Depreciation and amortization
    33,563       30,652       28,731  
Amortization of debt premium and expenses
    673       665       661  
Net change in deferred income taxes, investment tax credits, and regulatory assets and liabilities
    (262 )     3,218       3,908  
Gain on sale of non-utility property
    (2,516 )     (348 )     (2,250 )
Changes in operating assets and liabilities:
                       
Receivables
    (881 )     (5,381 )     5,545  
Unbilled revenue
    (1,570 )     104       (2,138 )
Taxes, prepaid expenses, and other assets
    (5,781 )     (437 )     6,491  
Accounts payable
    2,857       (865 )     12,604  
Material and supplies
    (228 )     (322 )     (1,021 )
Other current liabilities
    (4,282 )     11,045       3,841  
Other changes, net
    (2,678 )     (2,943 )     (1,106 )
                         
Net adjustments
    18,895       35,388       55,266  
                         
Net cash provided by operating activities
    50,054       60,968       82,489  
                         
Investing activities:
                       
Utility plant expenditures:
                       
Company-funded
    (75,996 )     (88,382 )     (73,799 )
Developer advances and contributions in aid of construction
    (25,347 )     (26,032 )     (16,948 )
Proceeds from sale of non-utility assets
    2,495       353       2,316  
Acquisitions
    (1,479 )     (509 )     (471 )
                         
Net cash used in investing activities
    (100,327 )     (114,570 )     (88,902 )
                         
Financing activities:
                       
Issuance of common stock, net of expenses
    372       79,545       720  
Issuance of long-term debt, net of expenses
    264       19,879       227  
Advances for construction
    16,596       22,007       15,389  
Refunds of advances for construction
    (6,306 )     (6,189 )     (4,840 )
Contributions in aid of construction
    11,873       12,953       7,924  
Retirement of long-term debt
    (1,980 )     (1,848 )     (1,188 )
Dividends paid
    (24,124 )     (21,966 )     (21,106 )
                         
Net cash (used in) provided by financing activities
    (3,305 )     104,381       (2,874 )
                         
Change in cash and cash equivalents
    (53,578 )     50,779       (9,287 )
Cash and cash equivalents at beginning of year
    60,312       9,533       18,820  
                         
Cash and cash equivalents at end of year
  $ 6,734     $ 60,312     $ 9,533  
                         
Supplemental disclosures of cash flow information:
                       
Cash paid during the year for:
                       
Interest (net of amounts capitalized)
  $ 16,459     $ 16,146     $ 16,811  
Income taxes
    30,220       5,471       12,411  
Supplemental disclosure of non-cash activities:
                       
Accrued payables for investments in utility plant
    11,186       10,477       12,613  
 
See accompanying Notes to Consolidated Financial Statements.


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Notes to Consolidated Financial Statements
December 31, 2007, 2006, and 2005
Amounts in thousands, except share data
 
1   ORGANIZATION AND OPERATIONS
 
California Water Service Group (Company) is a holding company that provides water utility and other related services in California, Washington, New Mexico, and Hawaii through its wholly-owned subsidiaries. California Water Service Company (Cal Water), Washington Water Service Company (Washington Water), New Mexico Water Service Company (New Mexico Water), and Hawaii Water Service Company, Inc. (Hawaii Water) provide regulated utility services under the rules and regulations of their respective state’s regulatory commissions (jointly referred to as the Commissions). CWS Utility Services and HWS Utility Services LLC provide non-regulated water utility and utility-related services.
 
The Company operates primarily in one business segment, providing water and related utility services.
 
2   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
Principles of Consolidation and Accounting Records
 
The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. Intercompany transactions and balances have been eliminated. The accounting records of the Company are maintained in accordance with the uniform system of accounts prescribed by the Commissions.
 
Use of Estimates
 
The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
 
Revenue
 
Revenue consists primarily of monthly cycle customer billings for regulated water and waste water services at rates authorized by the Commissions and billings to certain non-regulated customers. Revenue from metered accounts includes unbilled amounts based on the estimated usage from the latest meter reading to the end of the accounting period. Flat-rate accounts, which are billed at the beginning of the service period, are included in revenue on a pro rata basis for the portion applicable to the current accounting period.
 
Revenues from regulated customers include fees that are paid to the Commissions. This amount is recorded in revenue and in other operating expenses. Fees paid to the Commissions were $4,981 in 2007, $4,483 in 2006, and $4,123 in 2005.
 
The Company provides an allowance for doubtful accounts. The allowance is based upon specific identified, potentially troubled accounts plus an estimate of uncollectible accounts based upon historical percentages. The balance of customer receivables is net of the allowance for doubtful accounts at December 31, 2007 and 2006 of $641 and $260, respectively.
 
The activities in the allowance for doubtful accounts are as follows:
 
                 
    2007     2006  
 
Beginning Balance
  $ 260     $ 272  
Provision for uncollectible accounts
    2,063       928  
Net write off of uncollectible accounts
    (1,682 )     (940 )
                 
Ending Balance
  $ 641     $ 260  
                 


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Notes to Consolidated Financial Statements — (Continued)
 
Non-Regulated Revenue
 
Revenues from non-regulated operations and maintenance agreements are recognized when services have been rendered to companies or municipalities under such agreements. For construction and design services, revenue is generally recognized on the completed contract method, as most projects are completed in less than three months. Other non-regulated revenue is recognized when title has transferred to the buyer, or ratably over the term of the lease.
 
Expense Balancing and Memorandum Accounts
 
Expense balancing and memorandum accounts are used to track suppliers’ rate changes for purchased water, purchased power, and pump taxes that are not included in customer water rates. The cost changes are referred to as “Offsetable Expenses” because under certain circumstances they are recoverable from customers (or refunded to customers) in future rates designed to offset the cost changes from the suppliers. The Company does not record the balancing and memorandum accounts until the Commission has authorized a change in customer rates and the customer has been billed.
 
Utility Plant
 
Utility plant is carried at original cost when first constructed or purchased, except for certain minor units of property recorded at estimated fair values at the date of acquisition. When depreciable plant is retired, the cost is eliminated from utility plant accounts and such costs are charged against accumulated depreciation. Maintenance of utility plant is charged to operating expenses as incurred. Maintenance projects are not accrued for in advance. Interest is capitalized on plant expenditures during the construction period and amounted to $2,585 in 2007, $2,700 in 2006, and $900 in 2005.
 
Intangible assets acquired as part of water systems purchased are stated at amounts as prescribed by the Commissions. All other intangibles have been recorded at cost and are amortized over their useful life. Included in intangible assets is $6,515 paid to the City of Hawthorne in 1996 to lease the city’s water system and associated water rights. The asset is being amortized on a straight-line basis over the 15-year life of the lease.
 
The following table represents depreciable plant and equipment as of December 31:
 
                 
    2007     2006  
 
Equipment
  $ 291,645     $ 260,437  
Transmission and distribution plant
    994,713       940,434  
Office buildings and other structures
    84,051       77,485  
                 
Total
  $ 1,370,409     $ 1,278,356  
                 
 
Depreciation of utility plant for financial statement purposes is computed on a straight-line basis over the assets’ estimated useful lives and provides for asset retirement costs as follows:
 
     
    Useful Lives
 
Equipment
  5 to 50 years
Transmission and distribution plant
  40 to 65 years
Office Buildings and other structures
  50 years
 
The provision for depreciation expressed as a percentage of the aggregate depreciable asset balances was 2.7% in 2007, 2.6% in 2006, and 2.7% in 2005. For income tax purposes, as applicable, the Company computes depreciation using the accelerated methods allowed by the respective taxing authorities. Plant additions since June 1996 are depreciated on a straight-line basis for tax purposes in accordance with tax regulations. The Company has a legal obligation to retire wells in accordance with Department of Public Health regulations. The Company has been allowed to collect retirement obligation costs from ratepayers through depreciation expense. As of December 31, 2007 the retirement obligation is estimated to be $9,548, of which $3,157 has been collected from ratepayers.


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Notes to Consolidated Financial Statements — (Continued)
 
Cash Equivalents
 
Cash equivalents include highly liquid investments with remaining maturities of three months or less at the time of acquisition. As of December 31, 2007 and 2006, cash equivalents included investments in money market funds in the amount of $1,775 and $53,896, respectively.
 
Restricted Cash
 
Restricted cash primarily represents proceeds collected through a surcharge on certain customers’ bills plus interest earned on the proceeds and is used to service California Safe Drinking Water Bond obligations. All restricted cash is classified in prepaid expenses. At December 31, 2007 and 2006, restricted cash was $1,197 and $1,304, respectively.
 
Regulatory Assets and Liabilities
 
The Company operates extensively in a regulated business, and as such is subject to the provisions of Statement of Financial Accounting Standards (SFAS) No. 71, “Accounting for the Effects of Certain Types of Regulations.” In accordance with SFAS No. 71, the Company defers costs and credits on the balance sheet as regulatory assets and liabilities when it is probable that those costs and credits will be recognized in the ratemaking process in a period different from the period in which they would have been reflected in income by an unregulated company. In determining the probability of costs being recognized in other periods, the Company considers regulatory rules and decisions, past practices, and other facts or circumstances that would indicate if recovery is probable. These deferred regulatory assets and liabilities are then reflected in the income statement in the period in which the same amounts are reflected in the rates charged for service. In the event that a portion of the Company’s operations were no longer subject to the provisions of SFAS No. 71, the Company would be required to write off related regulatory assets and liabilities that are not specifically recoverable and determine if other assets might be impaired. If a commission determined that a portion of the Company’s assets were not recoverable in customer rates, the Company would be required to determine if the Company had suffered an asset impairment that would require a write-down in the assets’ valuation. There was no such asset impairment in 2007, 2006 or 2005. The income tax temporary differences relate primarily to the difference between book and federal income tax depreciation on utility plant that was placed in service before the regulatory Commissions adopted normalization for rate making purposes. Previously, the tax benefit of tax depreciation was passed on to customers (flow-through). For state income tax purposes, the Commission continues to use the flow-through method. As such timing differences reverse, the Company will be able to include the impact of such differences in customer rates. These federal tax differences will continue to reverse over the remaining book lives of the related assets.
 
In addition, regulatory assets include expense items that are capitalized for financial statement purposes, because they will be recovered in future customer rates. The capitalized expenses relate to asset retirement obligations, pension benefits, postretirement benefits other than pensions (Retiree Group Health), and accrued benefits for vacation, self-insured workers’ compensation, and directors retirement benefits. Asset retirement obligations are recorded net of depreciation which has been recorded and recognized through the regulatory process.
 
Regulatory liabilities represent future benefits to ratepayers for tax deductions that will be allowed in the future. Regulatory liabilities also reflect timing differences provided at higher than the current tax rate, which will flow-through to future ratepayers.


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Notes to Consolidated Financial Statements — (Continued)
 
Regulatory assets and liabilities are comprised of the following as of December 31:
 
                 
    2007     2006  
 
Regulatory Assets
               
Income tax temporary differences
  $ 35,604     $ 35,213  
Asset retirement obligations, net
    6,391       2,914  
Pension and Retiree Group Health
    34,809       43,345  
Other accrued benefits
    14,104       12,313  
                 
Total Regulatory Assets
  $ 90,908     $ 93,785  
                 
Regulatory Liabilities
               
Future tax benefits due ratepayers
  $ 20,386     $ 19,954  
                 
 
Long-Lived Assets
 
The Company regularly reviews its long-lived assets for impairment, annually or when events or changes in business circumstances have occurred that indicate the carrying amount of such assets may not be fully realizable. Potential impairment of assets held for use is determined by comparing the carrying amount of an asset to the future undiscounted cash flows expected to be generated by the asset. If assets are considered to be impaired, the impairment to be recognized is measured as the amount by which the carrying value of the asset exceeds its fair value. There have been no asset impairments in 2007, 2006, and 2005.
 
Long-Term Debt Premium, Discount and Expense
 
The discount and issuance expense on long-term debt is amortized over the original lives of the related debt on a straight-line basis which approximates the effective interest rate. Premiums paid on the early redemption of certain debt and the unamortized original issuance discount and expense are amortized over the life of new debt issued in conjunction with the early redemption. Amortization expense included in interest expense was $673, $665, and $661 for 2007, 2006, and 2005, respectively.
 
Accumulated Other Comprehensive Loss
 
The Company has an unfunded Supplemental Executive Retirement Plan. In 2005, the unfunded accumulated benefit obligation of the plan, less the accrued benefit, exceeded the unrecognized prior service cost which was recorded in accumulated other comprehensive loss, net of tax, as a separate component of Common Stockholders’ Equity. In 2006, with the adoption of Statement of Financial Accounting Standard No. 158, “Employers’ Accounting for Defined Benefit Pension and Other Postretirement Plans,” the Company determined that the amount should be reflected as a regulatory asset, as it will be recovered in future customer rates. As a result, during 2006, the Company recognized $1,202 of previously recorded net accumulated other comprehensive loss as a regulatory asset.
 
Advances for Construction
 
Advances for Construction consist of payments received from developers for installation of water production and distribution facilities to serve new developments. Advances are excluded from rate base for rate setting purposes. Annual refunds are made to developers without interest. Advances of $166,450, and $157,126 at December 31, 2007, and 2006, respectively, are refunded primarily over a 40-year period in equal annual amounts. In addition, other Advances for Construction totaling $1,574 and $534 at December 31, 2007, and 2006, respectively, are refundable based upon customer connections. Estimated refunds of advances for each succeeding year (2008 through 2012) are approximately $5,712, $5,643, $5,638, $5,609, 5,604, and $139,818 thereafter.


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Notes to Consolidated Financial Statements — (Continued)
 
Contributions in Aid of Construction
 
Contributions in Aid of Construction represent payments received from developers, primarily for fire protection purposes, which are not subject to refunds. Facilities funded by contributions are included in utility plant, but excluded from rate base. Depreciation related to assets acquired from contributions is charged to Contributions in Aid of Construction account.
 
Income Taxes
 
The Company accounts for income taxes using the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Measurement of the deferred tax assets and liabilities is at enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date.
 
It is anticipated that future rate action by the Commissions will reflect revenue requirements for the tax effects of temporary differences recognized, which have previously been flowed through to customers. The Commissions have granted the Company rate increases to reflect the normalization of the tax benefits of the federal accelerated methods and available Investment Tax Credits (ITC) for all assets placed in service after 1980. ITCs are deferred and amortized over the lives of the related properties for book purposes.
 
Advances for Construction and Contributions in Aid of Construction received from developers subsequent to 1986 were taxable for federal income tax purposes and subsequent to 1991 were subject to California income tax. In 1996, the federal tax law, and in 1997, the California tax law, changed and only deposits for new services were taxable. In late 2000, federal regulations were further modified to exclude contributions of fire services from taxable income.
 
Workers’ Compensation, General Liability and Other Claims
 
For workers’ compensation, the Company utilized an actuary firm to assist the Company with its estimate of the discounted liability associated with claims submitted and claims not yet submitted based on historical data. For general liability claims and other claims, the Company estimates the cost incurred but not yet paid using historical information.
 
Collective Bargaining Agreements
 
As of December 31, 2007, the Company had 891 employees, including 594 non-supervisory employees who are represented by the Utility Workers Union of America, AFL-CIO, except certain engineering and laboratory employees who are represented by the International Federation of Professional and Technical Engineers, AFL-CIO. The union agreements expire at the end of 2009 and wages for 2009 are expected to be negotiated in the fourth quarter of 2008.
 
Earnings Per Share
 
The computations of basic and diluted earnings per share are noted below. Basic earnings per share are computed by dividing net income available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted earnings per share reflect the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. Restricted Stock Awards are included in the weighted stock outstanding as the shares have all voting and dividend rights as issued and unrestricted common stock.
 
Common stock options outstanding to purchase common shares were 90,500, 90,500, and 98,000 at December 31, 2007, 2006, and 2005, respectively. Stock Appreciation Rights (SAR) covering 61,640 and


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Notes to Consolidated Financial Statements — (Continued)
 
37,969 shares of common stock were outstanding as of December 31, 2007, and 2006, respectively, and none were outstanding as of December 31, 2005.
 
All options and most SARs are dilutive and the dilutive effect is shown in the table below.
 
                         
    2007     2006     2005  
    (In thousands, except per share data)  
 
Net income, as reported
  $ 31,159     $ 25,580     $ 27,223  
Less preferred dividends
    153       153       153  
                         
Net income available to common stockholders
  $ 31,006     $ 25,427     $ 27,070  
                         
Weighted average common shares, basic
    20,665       18,905       18,379  
Dilutive common stock equivalents (treasury method)
    24       20       23  
                         
Shares used for dilutive calculation
    20,689       18,925       18,402  
                         
Earnings per share — basic
  $ 1.50     $ 1.34     $ 1.47  
Earnings per share — diluted
  $ 1.50     $ 1.34     $ 1.47  
 
Stock-based Compensation
 
In 2006, the Company adopted the provisions of the Financial Accounting Standards Board’s (FASB) Statement of Financial Accounting Standards No. 123 — revised 2004 (SFAS 123(R)), “Share-Based Payment” which replaced Statement of Financial Accounting Standards No. 123 (SFAS 123), “Accounting for Stock-Based Compensation” and supersedes APB Opinion No 25 (APB 25), “Accounting for Stock Issued to Employees.” Under the fair value recognition provisions of SFAS 123(R), stock-based compensation cost is measured at the grant date based on the fair value of the award. The Company recognizes compensation as expense on a straight-line basis over the requisite service period, which is the vesting period. The Company elected the modified-prospective method of adoption of SFAS No. 123(R), under which prior periods are not revised for comparative purposes. Using this method, the valuation provisions of SFAS 123(R) apply to new grants and the unvested portion of prior grants on a prospective basis. All options that were granted prior to the adoption date were vested as of the adoption date such that no compensation expense is required.
 
Prior to the adoption of SFAS 123(R), the Company presented all tax benefits for deductions resulting from the exercise of stock options and disqualifying dispositions as operating cash flows on its consolidated statement of cash flows. SFAS 123(R) requires the benefits of tax deductions in excess of recognized compensation expense to be reported as a financing cash flow, rather than as an operating cash flow. This requirement will reduce net operating cash flows and increase net financing cash flows in periods after adoption. Total cash flow will remain unchanged from what would have been reported under prior accounting rules.
 
The adoption of SFAS 123(R) did not have a material impact on the Company’s consolidated financial position, results of operations and cash flows. See Note 13 for further information regarding the Company’s stock-based compensation assumptions and expenses.
 
Long-Term Incentive Plan
 
The Company had a stockholder-approved Long-Term Incentive Plan (which was replaced on April 27, 2005, by a stockholder-approved Equity Incentive Plan) that allowed granting of non-qualified stock options. The Company accounted for options issued under the Long-Term Incentive Plan using the intrinsic value method of accounting as prescribed by APB 25. All outstanding options issued under the Long-Term Incentive Plan have an exercise price equal to the market price on the date they were granted. All options granted under the Long-Term Incentive Plan are fully vested. No compensation expense was recorded in 2007, 2006 or 2005, related to stock options issued under the Long-Term Incentive Plan.


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Notes to Consolidated Financial Statements — (Continued)
 
The table below illustrates the effect on net income and earnings per share as if the Company had applied the fair value recognition provision of SFAS No. 123 to employee compensation for the options granted under the Long-Term Incentive Plan.
 
         
    2005  
 
Net income available to common stockholders
  $ 27,070  
Deduct: Total stock-based employee compensation expense determined under fair value based method for all awards, net of related tax effects
    46  
         
Pro forma net income available to common stockholders
  $ 27,024  
         
Earnings per share:
       
Basic — as reported
  $ 1.47  
Basic — pro forma
  $ 1.47  
Diluted — as reported
  $ 1.47  
Diluted — pro forma
  $ 1.47  
 
Other Recent Accounting Pronouncements
 
In June 2006, the FASB issued Interpretation No. 48, “Accounting for Uncertainty in Income Taxes” (FIN 48). FIN 48 clarifies the accounting for uncertainty in income taxes recognized in the entity’s financial statements. FIN 48 prescribes a comprehensive model for how a company should recognize, measure, present, and disclose in its financial statements uncertain tax positions that the Company has taken or expects to take on a tax return. The Company adopted FIN 48 in the first quarter of 2007 and it did not have a material impact to the Company’s financial position, results of operations, or cash flows.
 
In September 2006, the FASB issued SFAS No. 158, “Employers’ Accounting for Defined Benefit Pension and Other Postretirement Plans — an Amendment of FASB Statements No. 87, 88, 106, and 132(R)” (SFAS No. 158). The statement requires an employer to recognize in its statement of financial position an asset for a plan’s over-funded status or a liability for a plan’s under-funded status. The measurement date of the plans’ assets and obligations that determine the funded status is as of the end of the employer’s fiscal year effective in 2008. The adoption of this statement is described in Note 12.
 
In September 2006, the Securities and Exchange Commission issued Staff Accounting Bulletin No. 108, Considering the Effects of Prior Year Misstatements when Quantifying Misstatements in Current Year Financial Statements (SAB 108). The bulletin was issued to address diversity in practice in quantifying financial statement misstatements and the potential under current practice for the build up of improper amounts on the balance sheet. The adoption of SAB 108 in 2006 did not have a material impact on the Company’s financial statements.
 
In September 2006, the FASB issued Statement of Financial Accounting Standards (SFAS) No. 157 “Fair Value Measurements.” The statement defines fair value, establishes a framework for measuring fair values in generally accepted accounting principles, and expands disclosures about fair value measurements. The statement is effective for years beginning after November 15, 2007. The adoption of this statement is not expected to have a material impact on the Company’s financial position, results of operations, or cash flows.
 
In February 2007, the FASB issued SFAS No. 159, “the Fair Value Option for Financial Assets and Financial Liabilities — Including an amendment of FASB Statement No. 115.” The statement permits entities to choose to measure many financial instruments and certain other items at fair value. The statement is effective for years beginning after November 15, 2007. The adoption of this statement is not expected to have a material impact on the Company’s financial position, results of operations, or cash flows.
 
In December 2007, the FASB issued SFAS No. 141 (R), “Business Combinations. The statement clarifies how certain business combinations are recorded and replaces SFAS No. 141. The statement applies prospectively to business combinations for which the acquisition date is on or after years beginning after December 15, 2008. The


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Notes to Consolidated Financial Statements — (Continued)
 
adoption of this statement is not expected to have a material impact on the Company’s financial position, results of operations, or cash flows.
 
In December 2007, the FASB issued SFAS No. 160, “Noncontrolling Interests in Consolidated Financial Statements” — an amendment of ARB No. 51. the statement amends ARB 51 to establish accounting and reporting standards for the noncontrolling interests in a subsidiary and for the deconsolidation of a subsidiary. The statement is effective for years beginning after December 15, 2008. The adoption of this standard is not expected to have a material impact on the Company’s financial position, results of operation, or cash flows.
 
3   OTHER INCOME AND EXPENSES
 
The Company conducts various non-regulated activities as reflected in the table below.
 
                                                 
    2007     2006     2005  
    Revenue     Expense     Revenue     Expense     Revenue     Expense  
 
Operating and maintenance
  $ 5,705     $ 5,247     $ 5,141     $ 4,476     $ 4,931     $ 3,789  
Meter reading and billing
    1,187       902       1,159       865       1,112       639  
Leases
    1,958       613       1,714       571       1,457       499  
Design and construction
    1,142       847       1,151       744       929       697  
Interest income
    1,435       —       758       —       536       —  
Other
    2,130       1,505       722       552       296       658  
                                                 
Total
  $ 13,557     $ 9,114     $ 10,645     $ 7,208     $ 9,261     $ 6,282  
                                                 
 
Operating and maintenance services and meter reading and billing services are provided for water and wastewater systems owned by private companies and municipalities. The agreements call for a fee-per-service or a flat-rate amount per month. Leases have been entered into with telecommunications companies for cellular phone antennas placed on the Company’s property. Design and construction services are for the design and installation of water mains and other water infrastructure for others outside the Company’s regulated service areas.
 
4   ACQUISITIONS
 
In 2007, after receiving regulatory approval, the Company’s wholly-owned subsidiary, Cal Water, acquired a water system with allowed rate base of approximately $425 for $388 in cash. In addition, the Company’s wholly-owned subsidiary, Washington Water, acquired five water systems for $1,091 in cash, which was the approximate value of rate base of the systems.
 
In 2006, after receiving regulatory approval, the Company’s wholly-owned subsidiary, New Mexico Water, acquired a water system by purchasing the assets of the system for a purchase price of approximately $500 which was allowed as the rate base of the system
 
In 2005, after receiving regulatory approval, the Company’s subsidiaries acquired three water systems for a combined purchase price of $807, including liabilities assumed of $336, which was the approximate value of the rate base in aggregate of the assets acquired.
 
Condensed balance sheets and pro forma results of operations for these acquisitions have not been presented since the impact of the purchases was not material. Minimal or no goodwill was recorded in connection with the acquisitions.


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Notes to Consolidated Financial Statements — (Continued)
 
5   INTANGIBLE ASSETS
 
As of December 31, 2007 and 2006, intangible assets that will continue to be amortized and those not amortized were:
 
                                                         
    Weighted
    2007     2006  
    Average
    Gross
          Net
    Gross
          Net
 
    Amortization
    Carrying
    Accumulated
    Carrying
    Carrying
    Accumulated
    Carrying
 
    Period     Value     Amortization     Value     Value     Amortization     Value  
 
Amortized intangible assets:
                                                       
Hawthorne lease
    15     $ 6,515     $ 5,140     $ 1,375     $ 6,515     $ 4,705     $ 1,810  
Water pumping rights
    usage       1,084       14       1,070       1,084       14       1,070  
Water planning studies
    10       3,901       1,175       2,726       3,510       909       2,601  
Leasehold improvements and other
    17       1,390       693       697       938       558       380  
                                                         
Total
    14     $ 12,890     $ 7,022     $ 5,868     $ 12,047     $ 6,186     $ 5,861  
                                                         
Unamortized intangible assets:
                                                       
Perpetual water rights and other
          $ 2,911       —     $ 2,911     $ 2,893       —     $ 2,893  
 
For the years ending December 31, 2007, 2006, and 2005, amortization of intangible assets was $866, $853, and $876, respectively. Estimated future amortization expense related to intangible assets for the succeeding five years is approximately $898, $868, $842, $439, $342, and $2,390 thereafter.
 
6   PREFERRED STOCK
 
As of December 31, 2007 and 2006, 380,000 shares of preferred stock were authorized. Dividends on outstanding shares are payable quarterly at a fixed rate before any dividends can be paid on common stock.
 
The outstanding 139,000 shares of $25 par value cumulative, 4.4% Series C preferred shares are not convertible to common stock. A premium of $243 would be due to preferred stock shareholders upon voluntary liquidation of Series C. There is no premium in the event of an involuntary liquidation. Each Series C preferred share is entitled to sixteen votes, with the right to cumulative votes at any election of directors.
 
See Note 7 for a description of the Series D preferred Stock.
 
7   COMMON STOCKHOLDERS’ EQUITY
 
The Company is authorized to issue 25 million shares of $0.01 par value common stock. As of December 31, 2007 and 2006, 20,666,204 shares and 20,656,699 shares, respectively, of common stock were issued and outstanding.
 
Dividend Reinvestment and Stock Repurchase Plan
 
The Company has a Dividend Reinvestment and Stock Purchase Plan (DRIP Plan). Under the DRIP Plan, stockholders may reinvest dividends to purchase additional Company common stock without commission fees. The Plan also allows existing stockholders and other interested investors to purchase Company common stock through the transfer agent up to certain limits. The Company’s transfer agent operates the DRIP Plan and purchases shares on the open market to provide shares for the Plan.
 
Stockholder Rights Plan
 
The Company’s Stockholder Rights Plan (Plan) expired in February 2008. The Company’s Board elected not to renew the Plan, and the Plan expired by its own terms. The Plan was adopted in 1998 and authorized a dividend distribution of one right (Right) to purchase 1/100th share of Series D Preferred Stock for each outstanding share of


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Notes to Consolidated Financial Statements — (Continued)
 
Common Stock in certain circumstances. The Rights were for a ten-year period that expired in February 2008 and no Series D Preferred Stock were issued under the Plan.
 
8   SHORT-TERM BORROWINGS
 
At December 31, 2007, the Company maintained a bank line of credit providing unsecured borrowings of up to $20 million at the prime lending rate less 1.5 percentage points (6% at December 31, 2007). Cal Water maintained a separate bank line of credit for an additional $55 million with the same interest rate provision as the Company. The line of credit agreements expire on April 30, 2012. The agreement with the Company requires a debt to capitalization ratio less than 0.667:1.0 and an interest coverage ratio of at least 2.5:1.0. As of December 31, 2007, the Company and Cal Water were in compliance with the bank covenants in the loan agreements. At December 31, 2007, there were no borrowings on the Company or Cal Water lines of credit.
 
The following table represents borrowings under the bank lines of credit:
 
                         
    2007     2006     2005  
 
Maximum short-term borrowings
  $   —     $ 30,250     $   —  
Average amount outstanding
  $ —     $ 7,237     $ —  
Weighted average interest rate
    n/a       6.76 %     n/a  
Interest rate at December 31
    n/a       n/a       n/a  


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Notes to Consolidated Financial Statements — (Continued)
 
9   LONG-TERM DEBT
 
As of December 31, 2007 and 2006, long-term debt outstanding was:
 
                                 
        Interest
    Maturity
           
    Series   Rate     Date   2007     2006  
 
First Mortgage Bonds:
  J     8.86 %   2023   $ 3,200     $ 3,400  
    K     6.94 %   2012     3,600       4,300  
    CC     9.86 %   2020     17,900       18,000  
                                 
Total First Mortgage Bonds
                    24,700       25,700  
                                 
Unsecured Senior Notes:
  A     7.28 %   2025     20,000       20,000  
    B     6.77 %   2028     20,000       20,000  
    C     8.15 %   2030     20,000       20,000  
    D     7.13 %   2031     20,000       20,000  
    E     7.11 %   2032     20,000       20,000  
    F     5.90 %   2017     20,000       20,000  
    G     5.29 %   2022     20,000       20,000  
    H     5.29 %   2022     20,000       20,000  
    I     5.54 %   2023     10,000       10,000  
    J     5.44 %   2018     10,000       10,000  
    K     4.58 %   2010     10,000       10,000  
    L     5.48 %   2018     10,000       10,000  
    M     5.52 %   2013     20,000       20,000  
    N     5.55 %   2013     20,000       20,000  
    O     6.02 %   2031     20,000       20,000  
                                 
Total Unsecured Senior Notes
                    260,000       260,000  
                                 
California Department of Water Resources loans
        3.0 % to
8.0%
  2008-32     2,229       2,428  
Other long-term debt
                    4,992       5,464  
                                 
Total long-term debt
                    291,921       293,592  
Less current maturities
                    2,701       1,778  
                                 
Long-term debt excluding current maturities
                  $ 289,220     $ 291,814  
                                 
 
The first mortgage bonds and unsecured senior notes are obligations of Cal Water and contain certain restrictive covenants. The Company believes that it is in compliance with such covenants as of December 31, 2007. All bonds are held by institutional investors and secured by substantially all of Cal Water’s utility plant. The unsecured senior notes are held by institutional investors and require interest-only payments until maturity, except series J which has an annual sinking fund payment amount of $909 annually, and series G and H which have an annual sinking fund requirement of $1,818 starting in 2012, and Series I which has an annual sinking fund requirement of $900 starting in 2013. The California Department of Water Resources (DWR) loans were financed under the California Safe Drinking Water Bond Act. Repayment of principal and interest on the DWR loans is through a surcharge on customer bills. Other long-term debt includes other equipment and system acquisition financing arrangements with financial institutions. Aggregate maturities and sinking fund requirements for each of the succeeding five years (2008 through 2012) are $2,701, $2,601, $2,514, $2,399, and $5,958, and $275,748, thereafter.


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Notes to Consolidated Financial Statements — (Continued)
 
10   OTHER ACCRUED LIABILITIES
 
As of December 31, 2007 and 2006, other accrued liabilities were:
 
                 
    2007     2006  
 
Accrued and deferred compensation
  $ 10,844     $ 10,094  
Accrued benefit and workers’ compensation claims
    5,774       4,779  
Other
    8,351       7,483  
                 
    $ 24,969     $ 22,356  
                 
 
11   INCOME TAXES
 
Income tax expense consists of the following:
 
                         
    Federal     State     Total  
 
2007
                       
Current
  $ 16,028     $ 4,662     $ 20,690  
Deferred
    522       (489 )     33  
                         
Total
  $ 16,550     $ 4,173     $ 20,723  
                         
2006
                       
Current
  $ 10,523     $ 3,107     $ 13,630  
Deferred
    3,489       (280 )     3,209  
                         
Total
  $ 14,012     $ 2,827     $ 16,839  
                         
2005
                       
Current
  $ 12,275     $ 3,433     $ 15,708  
Deferred
    4,274       24       4,298  
                         
Total
  $ 16,549     $ 3,457     $ 20,006  
                         
 
Income tax expense computed by applying the current federal 35% tax rate to pretax book income differs from the amount shown in the Consolidated Statements of Income. The difference is reconciled in the table below:
 
                         
    2007     2006     2005  
 
Computed “expected” tax expense
  $ 18,159     $ 14,847     $ 16,530  
Increase (reduction) in taxes due to:
                       
State income taxes net of federal tax benefit
    2,981       2,437       2,714  
Investment tax credits
    (32 )     (32 )     (31 )
Other
    (385 )     (413 )     793  
                         
Total income tax
  $ 20,723     $ 16,839     $ 20,006  
                         
 
Included in Other in the above table is the recognition of the flow-through accounting for Federal depreciation expense on assets acquired prior to 1982 and retirement costs of such assets. For assets acquired prior to 1982, the benefit of excess tax depreciation was previously passed through to the ratepayers. The tax benefit is now reversing and a higher tax expense is being recognized and is included in customer rates. Offsetting the flow-through depreciation in 2007 and 2006 was the impact of cost to remove pre-1982 assets. Also included is the federal income tax deduction from qualified U.S. production activities, which is being phased in from 2006 through 2011. Qualified production activities include production of potable water, but exclude the transmission and distribution of the potable water. The impact of the deduction is being reported in the year in which the deduction is claimed on the


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Notes to Consolidated Financial Statements — (Continued)
 
Company’s tax return. The impact was to lower the income tax provision by $490, $260, and $175 in 2007, 2006, and 2005, respectively.
 
The components of deferred income tax expense were:
 
                         
    2007     2006     2005  
 
Depreciation
  $ 2,121     $ 3,386     $ 3,593  
Developer advances and contributions
    (504 )     (875 )     (561 )
Prepaid expenses
    378       434       2,004  
Accrued expenses
    (1,362 )     (716 )     (529 )
Investment tax credits
    (106 )     (106 )     (106 )
Other
    (494 )     1,086       (103 )
                         
Total deferred income tax expense
  $ 33     $ 3,209     $ 4,298  
                         
 
We adopted the provisions of FIN 48 on January 1, 2007. At the adoption date and as of December 31, 2007, we had no material unrecognized tax benefits and no adjustments to liabilities or operations were required.
 
In connection with the adoption of FIN 48, the Company will include interest and penalties related to uncertain tax positions as a component of income taxes.
 
During 2007, there was a federal tax examination covering 2005 which resulted in a tax liability of $87. Tax years of 2006 and 2007, and 2002 through 2007 are subject to examination by the federal and state taxing authorities, respectively. There are no income tax examinations currently in progress.
 
The tax effects of differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities at December 31, 2007 and 2006 are presented in the following table:
 
                 
    2007     2006  
 
Deferred tax assets:
               
Developer deposits for extension agreements and contributions in aid of construction
  $ 47,588     $ 47,982  
Federal benefit of state tax deductions
    8,367       7,638  
Book plant cost reduction for future deferred ITC amortization
    1,457       1,373  
Insurance loss provisions
    2,434       1,411  
Pension plan, net
    2,367       2,012  
                 
Total deferred tax assets
    62,213       60,416  
                 
Deferred tax liabilities:
               
Utility plant, principally due to depreciation differences
    127,187       123,803  
Prepaid expense
    2,762       2,438  
Premium on early retirement of bonds
    1,961       2,176  
Other
    15       1,502  
                 
Total deferred tax liabilities
    131,925       129,919  
                 
Net deferred tax liabilities
  $ 69,712     $ 69,503  
                 
 
A valuation allowance was not required at December 31, 2007 and 2006. Based on historical taxable income and future taxable income projections over the period in which the deferred assets are deductible, management believes it is more likely than not that the Company will realize the benefits of the deductible differences.


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Notes to Consolidated Financial Statements — (Continued)
 
12   EMPLOYEE BENEFIT PLANS
 
Savings Plan
 
The Company sponsors a 401(k) qualified, defined contribution savings plan that allows participants to contribute up to 20% of pre-tax compensation. The Company matches fifty cents for each dollar contributed by the employee up to a maximum Company match of 4.0%. Company contributions were $1,733, $1,628, and $1,498, for the years 2007, 2006, and 2005, respectively.
 
Pension Plans
 
The Company provides a qualified, defined-benefit, non-contributory pension plan for substantially all employees. The accumulated benefit obligations of the pension plan are $73,845 and $77,079 as of December 31, 2007 and 2006, respectively. The fair value of pension plan assets was $85,303 and $78,393 as of December 31, 2007 and 2006, respectively.
 
Plan assets in the defined-benefit pension plan as of December 31, 2007 and 2006 were as follows:
 
                     
Asset Category
  Target   2007     2006  
 
Bond and cash equivalent Funds
  35% to 45%     39.8 %     40.2 %
Domestic and Foreign Equity Funds
  55% to 65%     60.2 %     59.8 %
 
The investment objective of the fund is to maximize the return on assets, commensurate with the risk the Company Trustees deem appropriate to meet the obligations of the Plan, minimize the volatility of the pension expense, and account for contingencies. The Trustees utilize the services of an outside investment advisor and periodically measure fund performance against specific indexes in an effort to generate a rate of return for the total portfolio that equals or exceeds the actuarial investment rate assumptions.
 
Pension payment obligations are generally funded by the purchase of an annuity from a life insurance company. If monthly benefits are paid to future retirees, rather than with a purchase of an annuity, payments are expected to be made in each year from 2008 to 2012 are $1,390, $1,871, $2,353, $3,029, and $3,787, respectively. The aggregate benefits expected to be paid in the five years 2013 through 2017 would be $34,214. If annuities are purchased for the retirees rather than making monthly payments, the payments for the same period would be approximately, $5,048, $6,265, $6,144, $8,682, and $9,486. The aggregate payments to be paid for annuities in the five years 2013 through 2017 would be approximately $64,485. The expected benefit payments are based upon the same assumptions used to measure the Company’s benefit obligation at December 31, 2007, and include estimated future employee service.
 
The Company also maintains unfunded, non-qualified, supplemental executive retirement plan. The unfunded supplemental executive retirement plan accumulated benefit obligations were $10,340 and $10,104 as of December 31, 2007 and 2006, respectively. Benefit payments under the supplemental executive retirement plan are paid currently and are included in the preceding paragraph.
 
The costs of the pension and retirement plans are charged to expense and utility plant. The Company makes annual contributions to fund the amounts accrued for pension cost.
 
Other Postretirement Plan
 
The Company provides substantially all active, permanent employees with medical, dental, and vision benefits through a self-insured plan. Employees retiring at or after age 58, along with their spouses and dependents, continue participation in the plan by payment of a premium. Plan assets are invested in mutual funds, short-term money market instruments and commercial paper based upon the same asset mix as the pension plan. Retired employees are also provided with a $5,000 life insurance benefit.
 
The Company records the costs of postretirement benefits other than pension during the employees’ years of active service. Postretirement benefit expense recorded in 2007, 2006, and 2005, was $2,521, $2,369, and $1,572,


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Notes to Consolidated Financial Statements — (Continued)
 
respectively. The Company has recorded a regulatory asset in prior years for the difference between the Company-funded amount and the net periodic benefit cost. Prior to the adoption of SFAS No. 158, the remaining net periodic benefit cost as of December 31, 2007, was $9,790 and is expected to be recovered through future customer rates and is recorded as a regulatory asset. The expected benefit payments, net of retiree premiums and Medicare part D subsidies, for the next five years are $894, $1,023, $1,176, $1,326, and $1,454, respectively.
 
The following table reconciles the funded status of the plans with the accrued pension liability and the net postretirement benefit liability as of December 31, 2007 and 2006:
 
                                 
    Pension Benefits     Other Benefits  
    2007     2006     2007     2006  
 
Change in benefit obligation:
                               
Beginning of year
  $ 109,077     $ 103,198     $ 21,659     $ 21,477  
Service cost
    5,291       5,347       1,154       1,153  
Interest cost
    6,522       6,055       1,317       1,144  
Assumption change
    (7,415 )     (5,790 )     2,997       (239 )
Amendment
    —       (58 )     627       —  
Experience (gain) loss
    (1,538 )     7,537       443       (94 )
Benefits paid, net of retiree premiums
    (6,053 )     (7,212 )     (705 )     (1,782 )
                                 
End of year
  $ 105,884     $ 109,077     $ 27,492     $ 21,659  
                                 
                                 
Change in plan assets:
                               
Fair value of plan assets at beginning of year
  $ 78,393     $ 70,225     $ 5,547     $ 5,053  
Actual return on plan assets
    6,021       7,969       403       431  
Employer contributions
    6,942       7,411       3,042       1,845  
Retiree contributions
    —       —       863       766  
Benefits paid
    (6,053 )     (7,212 )     (1,568 )     (2,548 )
                                 
Fair value of plan assets at end of year
  $ 85,303     $ 78,393     $ 8,287     $ 5,547  
                                 
                                 
Funded status
  $ (20,581 )   $ (30,684 )   $ (19,205 )   $ (16,112 )
Unrecognized actuarial (gain) or loss
    2,042       12,323       6,949       3,567  
Unrecognized prior service cost
    13,637       15,509       1,001       490  
Unrecognized transition obligation
    —       —       1,389       1,665  
                                 
Net amount recognized
  $ (4,902 )   $ (2,852 )   $ (9,866 )   $ (10,390 )
                                 
 
In prior years, the unfunded status for the pension plans and other postretirement plans was disclosed primarily in the footnotes to the financial statements. As of December 31, 2007, SFAS No. 158 requires the full recognition of the projected benefit obligation over the fair value of plan assets, reflecting the funded status of benefit plans, on the balance sheet. Therefore, previously disclosed but unrecognized amounts of gains and losses, unrecognized prior service costs and credits, net transition assets or obligations and related taxes have been charged to regulatory assets as a cumulative adjustment upon adoption of SFAS No. 158.


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Notes to Consolidated Financial Statements — (Continued)
 
Amounts recognized on the balance sheet, after consideration of the impact of SFAS 158, consist of:
 
                                 
    Pension Benefits     Other Benefits  
    2007     2006     2007     2006  
 
Prepaid (Accrued) benefit costs
  $ —     $ 2,412     $ (9,866 )   $ (10,390 )
Accrued benefit liability
    (20,581 )     (33,096 )     (9,339 )     (5,722 )
Regulatory asset
    15,679       27,832       9,339       5,722  
                                 
Net amount recognized
  $ ( 4,902 )   $ (2,852 )   $ (9,866 )   $ (10,390 )
                                 
 
Below are the actuarial assumptions used in determining the benefit obligation for the benefit plans:
 
                                 
    Pension Benefits     Other Benefits  
    2007     2006     2007     2006  
 
Weighted average assumptions as of December 31:
                               
Discount rate
    6.30 %     5.90 %     6.40 %     5.90 %
Long-term rate of return on plan assets
    8.00 %     8.00 %     7.00 %     8.00 %
Rate of compensation increases
    3.75 %     3.75 %     —       —  
 
The long-term rate of return assumption is the expected rate of return on a balanced portfolio invested roughly 60% in equities and 40% in fixed income securities. The average return for the plan for the last five and ten years was 11.3% and 7.5%, respectively. The discount rate was derived from the Citigroup Pension Discount Curve using the expected payouts for the plan.
 
Net periodic benefit costs for the pension and other postretirement plans for the years ending December 31, 2007, 2006, and 2005 included the following components:
 
                                                 
    Pension Plan     Other Benefits  
    2007     2006     2005     2007     2006     2005  
 
Service cost
  $ 5,291     $ 5,347     $ 4,335     $ 1,154     $ 1,153     $ 1,019  
Interest cost
    6,522       6,055       5,511       1,317       1,144       1,088  
Expected return on plan assets
    (5,704 )     (5,797 )     (5,285 )     (469 )     (408 )     (419 )
Net amortization and deferral
    2,883       2,674       2,191       519       480       355  
                                                 
Net periodic benefit cost
  $ 8,992     $ 8,279     $ 6,752     $ 2,521     $ 2,369     $ 2,043  
                                                 
 
Below are the actuarial assumptions used in determining the net periodic benefit costs for the benefit plans, which uses the end of the prior year as the measurement date:
 
                                 
    Pension Benefits     Other Benefits  
    2007     2006     2007     2006  
 
Weighted average assumptions as of December 31:
                               
Discount rate
    5.90 %     5.60 %     5.90 %     5.60 %
Long-term rate of return on plan assets
    8.00 %     8.00 %     8.00 %     8.00 %
Rate of compensation increases
    3.75 %     3.75 %     —       —  
 
For 2007 measurement purposes, the Company assumed a 10.5% annual rate of increase in the per capita cost of covered benefits with the rate decreasing 1.1% per year for the next five years to a long-term annual rate of 5.0%


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Notes to Consolidated Financial Statements — (Continued)
 
per year. The health care cost trend rate assumption has a significant effect on the amounts reported. A one-percentage point change in assumed health care cost trends is estimated to have the following effect:
 
                 
    1-percentage
    1-percentage
 
    Point Increase     Point Decrease  
 
Effect on total service and interest costs
  $ 483     $ (381 )
Effect on accumulated postretirement benefit obligation
  $ 4,510     $ (3,633 )
 
The Company intends to make annual contributions to the plans up to the amount deductible for tax purposes. The Company estimates in 2008 that the annual contribution to the pension plans will be $8.1 million and the annual contribution to the other postretirement plan will be $3.2 million.
 
13   STOCK-BASED COMPENSATION PLANS
 
The Company has two stockholder-approved stock-based compensation plans.
 
Long-term Incentive Plan
 
Under the Long-Term Incentive Plan that allowed granting of nonqualified stock options, some of which are currently outstanding, there will be no future grants made. Options were granted at an exercise price that was not less than the per share common stock market price on the date of grant. The options vest at a 25% rate on their anniversary date over their first four years and are exercisable over a ten-year period. At December 31, 2007, 90,500 options are fully vested and exercisable at a weighted average price of $24.94. The intrinsic value of the vested shares at December 31, 2007 was $1,093 and the weighted average fair value at date of grant was $4.67 per share. No options were granted in 2007, 2006, or 2005.
 
The following table summarizes the activity of the Long-Term Incentive Plan:
 
                                 
          Weighted
    Weighted
       
          Average
    Average
       
          Exercise
    Remaining
    Options
 
    Shares     Price     Contractual Life     Exercisable  
 
Outstanding at December 31, 2004
    121,500     $ 24.99       6.3       85,500  
Exercised
    (22,750 )     25.15       —       —  
Cancelled
    (750 )     25.15       —       —  
                                 
Outstanding at December 31, 2005
    98,000       24.95       5.4       86,500  
Exercised
    (7,500 )     25.15       —       —  
                                 
Outstanding at December 31, 2006
    90,500       24.94       4.3       90,500  
Exercised
    —       —       —       —  
                                 
Outstanding at December 31, 2007
    90,500       24.94       3.3       90,500  
                                 
 
Equity Incentive Plan
 
The Equity Incentive Plan, which was approved by shareholders in April 2005, is authorized to issue up to 1,000,000 shares of common stock. In 2007, the Company granted Restricted Stock Awards (RSAs) of 10,170 shares of common stock both to employees and to directors of the Company. Employee awards vest ratably over 48 months, while independent director awards vest at the end of 12 months. The shares were valued based upon the fair market value of the Company’s common stock on the date of grant. During 2007, 7,018 shares became vested, 665 shares were forfeited and as of December 31, 2007, 10,537 unvested shares are outstanding with an intrinsic value of $390. In 2007, Stock Appreciation Rights (SARs) equivalent to 24,140 shares were granted to employees, which vest ratably over 48 months and expire at the end of 10 years. The grant-date fair value for SARs was determined by using the Black Scholes model, which arrived at a fair value of $10.41 per share. Upon exercise of a SAR, the appreciation is payable in common shares of the Company.


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Notes to Consolidated Financial Statements — (Continued)
 
The assumptions utilized to determine the grant date fair value of the SARs were:
 
                 
    2007     2006  
 
Expected dividend yield
    2.99 %     2.99 %
Expected volatility
    32.3 %     21.9 %
Risk-free interest rate
    4.48 %     4.19 %
Expected holding period in years
    5.2       6.0  
 
The Company did not apply a forfeiture rate in the expense computation relating to SARs and RSAs issued to employees as they vest monthly and, as a result, the expense is recorded for actual number vested during the period. For outside directors, the Company did not apply a forfeiture rate in the expense computation relating to RSAs, as the Company expects 100% to vest at the end of twelve months. As of December 31, 2007, all of the SARs were at exercise prices above the market price
 
The table below reflects SARs granted under the Equity Incentive Plan.
 
                                         
          Weighted
    Weighted
          Weighted
 
          Average
    Average
          Average
 
          Exercise
    Remaining
    SAR
    Fair
 
    Shares     Price     Contractual Life     Exercisable     Value  
 
Stock Appreciation Rights
                                       
Outstanding at December 31, 2005
    —     $ —       —       —     $ —  
Granted
    40,000       38.76       —       —       7.73  
Exercised
    —       —       —       —       —  
Cancelled
    (2,031 )     38.51       —       —       7.73  
                                         
Outstanding at December 31, 2006
    37,969     $ 38.77       9.02       8,847     $ 7.73  
Granted
    24,140       38.30       —       —       10.41  
Exercised
    —       —       —       —       —  
Cancelled
    (469 )     38.51       —       —       7.73  
                                         
Outstanding at December 31, 2007
    61,640     $ 38.59       8.49       22,070     $ 8.77  
                                         
 
The Company has recorded compensation expense for the RSAs and SARs of $372 and $289 in 2007 and 2006, respectively. The unrecognized future compensation expense for the RSAs and SARs at December 31, 2007 is $637.
 
14   FAIR VALUE OF FINANCIAL INSTRUMENTS
 
For those financial instruments for which it is practicable to estimate a fair value, the following methods and assumptions were used. For cash equivalents, accounts receivable and accounts payable, the carrying amount approximates the fair value because of the short-term maturity of the instruments. The fair value of the Company’s long-term debt is estimated at $358 million and $316 million as of December 31, 2007 and 2006, respectively, using a discounted cash flow analysis, based on the current rates available to the Company for debt of similar maturities. The book value of the long-term debt is $289 million and $292 million as of December 31, 2007 and 2006, respectively. The fair value of advances for construction contracts is estimated at $64 million as of December 31, 2007, and $59 million as of December 31, 2006, based on data provided by brokers who purchase and sell these contracts.


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Notes to Consolidated Financial Statements — (Continued)
 
15   COMMITMENTS AND CONTINGENCIES
 
Commitments
 
The Company leases office facilities and two water systems from cities, and has long-term commitments to purchase water from water wholesalers. The commitments are noted in the table below.
 
                         
    Office
    System
    Water
 
    Leases     Leases     Contracts  
 
2008
  $ 702     $ 961     $ 17,236  
2009
    383       961       17,236  
2010
    206       961       17,236  
2011
    113       864       17,236  
2012
    101       845       17,236  
Thereafter
    48       4,250       380,854  
 
The Company leases office facilities in many of its operating districts. The total paid and charged to operations for such leases was $677 in 2007, $666 in 2006, and $682 in 2005.
 
The Company leases the City of Hawthorne water system, which in addition to the upfront lease payment, includes an annual payment. The 15-year lease expires in 2011. There were annual payments of $116 in 2007, 2006, and 2005. In July 2003 the Company negotiated a 15-year lease of the City of Commerce water system. The lease includes an annual lease payment of $845 per year plus a cost savings sharing arrangement.
 
The Company has a long-term contract with the Santa Clara Water District that requires the Company to purchase minimum annual water quantities. Purchases are priced at the districts then-current wholesale water rate. The Company operates to purchase sufficient water to equal or exceed the minimum quantities under the contract. The total paid under the contract was $6,193 in 2007, $5,361 in 2006, and $4,763 in 2005.
 
The Company also has a water supply contract with Stockton East Water District (SEWD) that requires a fixed, annual payment and does not vary during the year with the quantity of water delivered by the district. Because of the fixed price arrangement, the Company operates to receive as much water as possible from SEWD in order to minimize the cost of operating Company-owned wells used to supplement SEWD deliveries. The total paid under the contract was $5,509 in 2007, $4,420 in 2006, and $4,300 in 2005. Pricing under the contract varies annually.
 
Estimated annual contractual obligations in the table above are based on the same payment levels as 2005. Future increased costs by SEWD are expected to be offset by a decline in the allocation of costs to the Company, as other customers of SEWD are expected to receive a larger allocation based upon growth of their service areas.
 
On September 21, 2005, the Company entered into an agreement with Kern County Water Agency to obtain treated water for the Company’s operations. The term of the agreement is to January 1, 2035, or until the repayment of the Agency’s bonds (described hereafter) occurs. Under the terms of the agreement, the Company is obligated to purchase approximately 12,200 acre feet of treated water in 2007 and an incrementally higher volume of water for each subsequent year until 2017, when the Company is obligated to purchase 20,500 acre feet of treated water per year. The Company is obligated to pay the Capital Facilities Charge and the Treated Water Charge regardless of whether it can use the water in its operation, and is obligated for these charges even if the Agency cannot produce an adequate amount to supply the 20,500 acre feet in the year. (This agreement supersedes a prior agreement with Kern County Water Agency for the supply of 11,500 acre feet of water per year. Total paid, under the prior agreement, was $2,871 in 2007, $3,301 in 2006, and $3,288 in 2005.
 
Three other parties, including the City of Bakersfield, are also obligated to purchase a total of 32,500 acre feet per year under separate agreements with the Agency. Further, the Agency has the right to proportionally reduce the water supply provided to all of the participants if it cannot produce adequate supplies. The participation of all parties in the transaction for expansion of the Agency’s facilities, including the Water Purification Plant, purchase of the water, and payment of interest and principal on the bonds being issued by the Agency to finance the transaction is


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Notes to Consolidated Financial Statements — (Continued)
 
required as a condition to the obligation of the Agency to proceed with expansion of the Agency’s facilities. If any of the other parties does not use its allocation, that party is obligated to pay its contracted amount.
 
The Agency is planning to issue bonds to fund the project and will use the payments of the Capital Facilities Charges by the Company and the other contracted parties to meet the Agency’s obligations to pay interest and repay principal on the bonds. If any of the parties were to default on making payments of the Capital Facilities Charge, then the other parties are obligated to pay for the defaulting party’s share on a pro-rata basis. If there is a payment default by a party and the remaining parties have to make payments, they are also entitled to a pro-rata share of the defaulting party’s water allocation.
 
The Company expects to use all its contracted amount of water in its operations every year. In addition, if the Company were to pay for and receive additional amounts of water due to a default of another participating party; the Company believes it could use this additional water in its operations without incurring substantial incremental cost increases. If additional treated water is available, all parties have an option to purchase this additional treated water, subject to the Agency’s right to allocate the water among the parties.
 
The total obligation of all parties, excluding the Company, is approximately $50 million to the Agency. Based on the credit worthiness of the other participants, which are government entities, it is believed to be highly unlikely that the Company would be required to assume any other parties’ obligations under the contract due to their default. In the event of default by a party, the Company would receive entitlement to the additional water for assuming any obligation.
 
Once the project is complete, the Company is obligated to pay a Capital Facilities Charge and a Treated Water Charge that together total $4,700 annually, which equates to $0.23 per acre foot. Annual payments of $2,000 for the Capital Facilities Charge will begin when the Agency issues bonds to fund the project. Some of the Treated Water Charge of $2,700 is expected to begin July 1, 2007, when a portion of the planned capacity is expected to be available. The expanded water treatment plant is expected to be at full capacity by fall 2009, and at that time, the full annual payments of $4,739 would be made and continue through the term of the agreement. Once treated water is being delivered, the Company will also be obligated for its portion of the operating costs; that portion is currently estimated to be $0.07 per acre foot. The actual amount will vary due to variations from reimbursable operating cost estimates, inflation, and other changes in the cost structure. The Company’s overall estimated cost of $0.3 per acre foot is less than the estimated cost of procuring untreated water (assuming water rights could be obtained) and then providing treatment.
 
Contingencies
 
In 1995, the State of California’s Department of Toxic Substances Control (DTSC) named the Company as a potential responsible party for cleanup of a toxic contamination plumes in the Chico groundwater. In December 2002, the Company was named along with other defendants in two lawsuits filed by DTSC for the cleanup of the plumes. The toxic spill occurred when cleaning solvents, which were discharged into the city’s sewer system by local dry cleaners, leaked into the underground water supply. The DTSC contends that our responsibility stems from our operation of wells in the surrounding vicinity that caused the contamination plumes to spread. While the Company is cooperating with the clean up, the Company denies any responsibility for the contamination or the resulting cleanup.
 
In 2007, the Company entered into Court approved consent decrees.(Consent Decrees). The Consent Decrees conditioned the Company’s performance upon many factors, including, but not limited to, water pumped and treated by the Company must meet regulatory standards so the Company may distribute to its customers. Pursuant to the terms of the Consent Decrees, the Company will incur capital costs of $1,499 and future operating costs with a present value of approximately $2,566. In its 2007 general rate case (GRC) settlement negotiations, Division of Ratepayer Advocates have agreed to track all costs associated with the Consent Decrees including legal costs to pursue insurance coverage for potential future recovery in rates.


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Notes to Consolidated Financial Statements — (Continued)
 
In connection with these suits, the Company’s insurance carrier has filed a separate lawsuit against the Company for reimbursement of past defense costs which approximate $1.5 million. The Company believes that the insurance carrier has a duty to defend and is not entitled to any defense cost reimbursement. Furthermore, the Company believes that insurance coverage exists for the Company’s claims. However, if the Company’s claim is ultimately found to be excludable under insurance policies, the Company may have to pay damages. Although the Company considers it remote that the Company will not be able to recover amounts paid for damages through rate increases, the Company can give no assurance that we will be able to make such a recovery.
 
The Company and a number of co-defendants were served with a complaint in the Superior Court County of Los Angeles, Case No. BC360406, for personal injury allegedly caused by exposure to asbestos. The plaintiff claims to have worked for three of the Company’s contractors on pipeline projects during the period 1958-1999, including Palos Verdes Water Company, a water utility we acquired in 1970. The plaintiff alleges that the Company and other defendants are responsible for his asbestos-related injuries. On April 20, 2007, the Superior Court sustained the Company’s demurrer without leave to amend all Plaintiff’s claims alleging products liability and intentional torts. The Court also sustained the Company’s demurrer with leave to amend Plaintiff’s claim for premise owner contractor liability, a negligence claim, alleging misconduct that may allow for punitive damages (the “Premise/Owner Claim”) and severed the Company from the accelerated trial with other named defendants. On July 3, 2007, the Court sustained the Company’s demurrer with leave to amend the Plaintiff’s third amended complaint alleging the Premise/Owner Claim. Plaintiff filed a fourth amended complaint restating the Premise/Owner Claim. The Court overruled the Company’s demurrer on the Plaintiff’s fourth amended complaint, but the Court sustained the Company’s motion to strike punitive damages. The Company has filed a motion for summary judgment, which is scheduled to be heard by the Court on February 28, 2008. Under the plaintiff’s remaining cause of action, the Company does not believe that a liability is probable, and the Company can not reasonably estimate any liability amount at this time. The Company used asbestos cement pipe and fittings, which were widely used in the water industry and permitted for such use by regulatory agencies, and the Company only hired qualified contractors to install the pipe and fittings in accordance with laws and regulations at the time. The Company intends to aggressively defend itself. The Company’s insurance carrier has accepted the defense of the claim, reserving certain rights along with one of the contractors’ insurance companies. If the Company is found liable any liability would most likely be paid by the Company’s or contractors’ insurers. Accordingly, the Company has not recorded any liability associated with the claim.
 
In December 2006, Cal Water filed an application to allow it to recover additional funding associated with its postretirement benefit other than pensions (PBOP) or retiree healthcare plan. For the period 1993 through 2005, Cal Water funded and recognized as its PBOP expense at the Internal Revenue Code’s (IRC)maximum tax-deductible contribution level (Maximum Contribution Level) using an IRC 401(h) account as the funding mechanism. The excess expense between the Maximum Contribution Level and FAS 106 accrual during the employees’ expected service period was recorded as a regulatory asset. As of December 31, 2007, the regulatory asset was approximately $9.8 million.
 
In February 2007, the Division of Ratepayer Advocates (DRA) filed its protest to our PBOP application. In their protest, the DRA requested to dismiss the application with prejudice. Despite several attempts to settle the issues, the parties have been unable to reach a settlement. In October 2007, the CPUC held evidentiary hearings. Subsequently, the parties fully briefed the issues, and the evidentiary record was closed in December. On February 11, 2008, the Administrative Law Judge (ALJ) issued his proposed decision (PD) in Cal Water’s PBOP proceeding. The proposed decision is not a final decision on the matter, but recommends to the Commission the ALJ’s findings, conclusions of law and recommended orders. The PD orders Cal Water to recover its regulatory asset as requested over a fifteen year period through a surcharge, which may be rolled into its general rates. DRA has requested oral arguments, which will give the parties a final opportunity to orally comment on the PD before all Commissioners. Following the oral arguments, the Commission will issue its final decision on this matter.
 
From time to time, the Company is involved in various disputes and litigation matters that arise in the ordinary course of business. Periodically, the Company reviews the status of each significant matter and assess its potential financial exposure. If the potential loss from any claim or legal proceeding is considered probable and the amount of


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Notes to Consolidated Financial Statements — (Continued)
 
the range of loss can be estimated, the Company accrues a liability for the estimated loss in accordance with SFAS No 5, “Accounting of Contingencies.” Legal proceedings are subject to uncertainties, and the outcomes are difficult to predict. Because of such uncertainties, accruals are based only on the best information available at the time. While the outcome of these disputes and litigation matters cannot be predicted with any certainty, the Company does not believe that the ultimate resolution of these matters will materially affect our financial position, results of operations, or cash flows.
 
16  QUARTERLY FINANCIAL DATA (UNAUDITED)
 
The Company’s common stock is traded on the New York Stock Exchange under the symbol “CWT.”
 
                                 
2007
  First     Second     Third     Fourth  
 
Operating revenue
  $ 71,570     $ 95,782     $ 113,851     $ 85,879  
Net operating income
    5,242       11,389       17,535       10,004  
Net income
    1,581       7,727       13,809       8,042  
Diluted earnings per share
    0.07       0.37       0.67       0.39  
Common stock market price range:
                               
High
    44.54       40.85       43.96       44.39  
Low
    36.75       34.46       35.39       35.85  
Dividends paid
    0.2900       0.2900       0.2900       0.2900  
 
                                 
2006
  First     Second     Third     Fourth  
 
Operating revenue
  $ 65,216     $ 81,102     $ 107,755     $ 80,644  
Net operating income
    4,928       9,622       16,081       9,675  
Net income
    832       5,710       12,619       6,419  
Diluted earnings per share
    0.04       0.31       0.68       0.31  
Common stock market price range:
                               
High
    45.05       45.36       38.60       41.86  
Low
    38.51       33.72       33.83       36.43  
Dividends paid
    0.2875       0.2875       0.2875       0.2875  


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Item 9.   Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.
 
None
 
Item 9A.   Controls and Procedures
 
Management’s Evaluation of Disclosure Controls and Procedures
 
We maintain disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d -15(e) under the Securities Exchange Act of 1934, as amended) that are designed to ensure that information required to be disclosed in our reports filed or submitted under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported, within the time periods specified in the Security and Exchange Commission’s rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure.
 
In designing and evaluation the disclosure controls and procedures, management, including the Chief Executive Officer and Chief Financial Officer, recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Accordingly, our disclosure controls and procedures have been designed to provide reasonable assurance of achieving their objectives.
 
Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of December 31, 2007. Based on that evaluation, we concluded that our disclosure controls and procedures were effective at the reasonable assurance level.
 
There was no change in our internal control over financial reporting during the quarter ended December 31, 2007, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
 
Management’s Report on Internal Control over Financial Reporting
 
Management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rule 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934, as amended). Management assessed the effectiveness of our internal control over financial reporting as of December 31, 2007. In making this assessment, management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”) in “Internal Control-Integrated Framework.” Management has concluded that, as of December 31, 2007, our internal control over financial reporting is effective based on these criteria. Our independent registered public accounting firm, KPMG LLP, has audited the effectiveness of our internal control over financial reporting as of December 31, 2007, as stated in their report, which is included herein.
 
Item 9B.   Other Information
 
None.
 
PART III
 
Item 10.   Directors and Executive Officers and Corporate Governance.
 
The information required by this Item as to directors of the Company and the Company’s Audit Committee is contained in the sections captioned “Board Structure” and “Proposal No. 1 — Election of Directors” of the 2008 Proxy Statement, and is incorporated herein by reference.
 
Information required by this Item regarding executive officers is included in a separate section captioned “Executive Officers of the Registrant” contained in Part I of this report.


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Information required by this Item as to our Code of Ethics is contained in the section captioned “Other Matters — Code of Ethics” of the 2008 Proxy Statement, and is incorporated herein by reference.
 
Information required to be disclosed by this Item as to compliance with Section 16(a) filing requirements is contained in the section captioned “Stock Ownership of Management and Certain Beneficial Owners” of the 2008 Proxy Statement, and is incorporated herein by reference.
 
Item 11.   Executive Compensation.
 
The information required by this Item is contained under the captions “Compensation Discussion and Analysis,” “Report of the Organization and Compensation Committee of the Board of Directors on Executive Compensation,” and “Organization and Compensation Committee Interlocks and Insider Participation” of the 2008 Proxy Statement and is incorporated herein by reference.
 
Item 12.   Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.
 
The information required by this Item regarding security ownership of certain beneficial owners and management is contained in the section captioned “Stock Ownership of Management and Certain Beneficial Owners” of the 2008 Proxy Statement and is incorporated herein by reference.
 
Information required by this Item regarding our equity compensation plans is included in a separate section captioned “Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities” contained in Part I of this report.
 
The following table represents securities authorized to be issued under our equity compensation plans:
 
                         
                Number of
 
                Securities
 
    Number of
          Remaining Available
 
    Securities to be
          for Future Issuance
 
    Issued upon
          under Equity
 
    Exercise of
    Weighted-average
    Compensation Plans
 
    Outstanding
    Exercise Price of
    (excluding
 
    Options, Warrants
    Outstanding
    Securities
 
    and Rights
    Options, Warrants
    Reflected in Column
 
Plan category
  (a)     and Rights     (a))  
 
Equity compensation plans approved by security holders
    152,140     $ 30.47       919,388  
Equity compensation plans not approved by security holders
    -0-       -0-       -0-  
                         
Total
    152,140     $ 30.47       919,388  
 
Item 13.   Certain Relationships and Related Transactions and Director Independence.
 
The information required by this Item is contained in the sections captioned “Certain Related Persons Transactions” and “board Structure” of the 2008 Proxy Statement and is incorporated herein by reference.
 
Item 14.   Principal Accountant Fees and Services.
 
The information required by this Item is contained in the section captioned “Report of the Audit Committee” and “Relationship with the Independent Registered Public Accounting Firm” of the 2008 Proxy Statement and is incorporated herein by reference.


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PART IV
 
Item 15.   Exhibits, Financial Statement Schedules.
 
(a) As part of this Form 10-K, the following documents are being filed:
 
   1.  Financial Statement: See “Index to Consolidated Financial Statements” in Part II, Item 8 of this Form 10-K.
 
   2.  Financial Statement Schedules: No financial statement schedules are being included since the information otherwise required is included in the financial statements and the notes thereto.
 
   3.  Exhibits: The exhibits listed in the accompanying index to exhibits are filed or incorporated by reference.


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SIGNATURES
 
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized
 
CALIFORNIA WATER SERVICE GROUP
 
  By 
/s/  Peter C. Nelson
PETER C. NELSON,
President and Chief Executive Officer
 
Date: February 28, 2008
 
Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
 
             
         
/s/  Robert W. Foy

ROBERT W. FOY
  Chairman, Board of Directors   Date: February 28, 2008
         
/s/  Douglas M. Brown

DOUGLAS M. BROWN
  Member, Board of Directors   Date: February 28, 2008
         
/s/  Edward D. Harris, Jr.

EDWARD D. HARRIS, JR., M.D.
  Member, Board of Directors   Date: February 28, 2008
         
/s/  Bonnie G. Hill

BONNIE G. HILL
  Member, Board of Directors   Date: February 28, 2008
         
/s/  Richard P. Magnuson

RICHARD P. MAGNUSON
  Member, Board of Directors   Date: February 28, 2008
         
/s/  Linda R. Meier

LINDA R. MEIER
  Member, Board of Directors   Date: February 28, 2008
         
/s/  Peter C. Nelson

PETER C. NELSON
  President and Chief Executive Officer, Principal Executive Officer Member, Board of Directors   Date: February 28, 2008
         
/s/  George A. Vera

GEORGE A. VERA
  Member, Board of Directors   Date: February 28, 2008
         
/s/  Martin A. Kropelnicki

MARTIN A. KROPELNICKI
  Chief Financial Officer and Treasurer; Principal Financial Officer   Date: February 28, 2008
         
/s/  Calvin L. Breed

CALVIN L. BREED
  Controller, Assistant Secretary and Assistant Treasurer; Principal Accounting Officer   Date: February 28, 2008


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EXHIBIT INDEX
 
         
Exhibit
   
Number
   
 
 
Unless filed with this Form 10-K, the documents listed are incorporated by reference to the filings referred to:
  3 .1   Certificate of Incorporation of California Water Service Group (Filed as Exhibit B of the California Water Service Group Proxy Statement dated March 18, 1999)
  3 .2   Restated Bylaws of California Water Service Group as amended on November 28, 2007 (Exhibit 3.1 to Current Report on Form 8-K filed December 3, 2007)
  4 .1   Shareholder Rights Plan; an agreement between California Water Service Group and BankBoston, N.A., rights agent, dated January 28, 1998 (Exhibit 1 to Registration Statement on Form 8-A filed February 13, 1998)
  4 .2   Certificate of Designations regarding Series D Participating Preferred Stock, as filed with Delaware Secretary of State on September 16, 1999 (Exhibit 4.2 to Annual Report on Form 10-K for the year ended December 31, 2003)
  4 .3   Thirty-fourth Supplemental Indenture dated as of November 1, 1990, covering First Mortgage 9.86% Bonds, Series CC. (Exhibit 4 to Annual Report on Form 10-K for the year ended December 31, 1990)
  4 .4   [reserved]
  4 .5   [reserved]
  4 .6   [reserved]
  4 .7   Note Agreement dated August 15, 1995, pertaining to issuance of $20,000,000, 7.28% Series A Unsecured Senior Notes, due November 1, 2025 (Exhibit 4 to Quarterly Report on Form 10-Q for the quarter ended September 30, 1995)
  4 .8   Note Agreement dated March 1, 1999, pertaining to issuance of $20,000,000, 6.77% Series B Unsecured Senior Notes, due November 1, 2028 (Exhibit 4.1 to Annual Report on Form 10-K for the year ended December 31, 1999)
  4 .9   First Supplement dated October 1, 2000, to Note Agreement of March 1, 1999, pertaining to issuance of $20,000,000, 8.15% Series C Unsecured Senior Notes, due November 1, 2030 (Exhibit 4.12 to Annual Report on Form 10-K for year ended December 31, 2000)
  4 .10   Second Supplement dated September 1, 2001, to Note Agreement of March 1, 1999, pertaining to issuance of $20,000,000, 7.13% Series D Unsecured Senior Notes, due November 1, 2031 (Exhibit 4.1 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2001)
  4 .11   Third Supplement dated May 1, 2002, to Note Agreement of March 1, 1999, pertaining to issuance of $20,000,000, 7.11% Series E Unsecured Senior Notes, due May 1, 2032 (Exhibit 4.1 to Quarterly Report on Form 10-Q for the quarter ended June 30, 2002)
  4 .12   Fourth Supplement dated August 15, 2002, to Note Agreement of March 1, 1999, pertaining to issuance of $20,000,000, 5.90% Series F Unsecured Senior Notes, due November 1, 2017 (Exhibit 4.14 to Annual Report on Form 10-K for the year ended December 31, 2002)
  4 .13   Fifth Supplement dated November 1, 2002, to Note Agreement of March 1, 1999, pertaining to issuance of $20,000,000, 5.29% Series G Unsecured Senior Notes, due November 1, 2022 (Exhibit 4.15 to Annual Report on Form 10-K for the year ended December 31, 2002)
  4 .14   Sixth Supplement dated December 1, 2002, to Note Agreement of March 1, 1999, pertaining to issuance of $20,000,000, 5.29% Series H Unsecured Senior Notes, due December 1, 2022 (Exhibit 4.16 to Annual Report on Form 10-K for the year ended December 31, 2002)
  4 .15   Ninth Supplement dated February 15, 2003, to Note Agreement of March 1, 1999, pertaining to issuance of $10,000,000, 4.58% Series K Unsecured Senior Notes, due June 30, 2010 (Exhibit 4.17 to Annual Report on Form 10-K for the year ended December 31, 2002)
  4 .16   Tenth Supplement dated February 15, 2003, to Note Agreement of March 1, 1999, pertaining to issuance of $10,000,000, 5.48% Series L Unsecured Senior Notes, due March 1, 2018 (Exhibit 4.18 to Annual Report on Form 10-K for the year ended December 31, 2002)


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Exhibit
   
Number
   
 
  4 .17   Thirteenth Supplemental Trust Indenture whereby California Water Service Company became the successor to Dominguez Water Corporation in the original trust indenture for Dominguez Water Corporation dated August 1, 1954 (Exhibit 4.13 to Annual Report on Form 10-K for the year ended December 31, 2000 [included within Exhibit 4.12 to such report])
  4 .18   Eleventh Supplemental Trust Indenture dated as of December 8, 1992, covering First Mortgage 8.86% Bonds, Series J (Exhibit 10.2 to Annual Report on Form 10-K for the year ended December 31, 1997, of Dominguez Services Corporation)
  4 .19   Twelfth Supplemental Indenture dated as of December 1, 1997, covering First Mortgage 6.94% Bonds, Series K due 2012 (Exhibit 10.3 to Annual Report on Form 10-K for the year ended December 31, 1997, of Dominguez Services Corporation)
  4 .20   Seventh Supplement dated May 1, 2003, to Note Agreement of March 1, 1999, pertaining to issuance of $10,000,000, 5.54% Series I Unsecured Senior Notes, due May 1, 2023 (Exhibit 4.22 to Quarterly Report on Form 10-Q for the quarter ended March 31, 2003)
  4 .21   Amended and Restated Eighth Supplement dated May 1, 2003, to Note Agreement of March 1, 1999, pertaining to issuance of $10,000,000, 5.44% Series J Unsecured Senior Notes, due May 1, 2018 (Exhibit 4.23 to Quarterly Report on Form 10-Q for the quarter ended March 31, 2003)
  4 .22   Twelfth Supplement dated October 24, 2003, to Note Agreement of March 1, 1999, pertaining to the issuance of $20,000,000, 5.55%, Series N Unsecured Senior Notes due December 1, 2013, (Exhibit 4.24 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2003)
  4 .23   Eleventh Supplement dated November 3, 2003, to Note Agreement of March 1, 1999, pertaining to the issuance of $20,000,000, 5.52%, Unsecured Series M Senior Notes due November 1, 2013 (Exhibit 4.25 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2003)
  4 .24   Thirteenth Supplement dated August 31, 2006, to Note Agreement of March 1, 1999, pertaining to the issuance of $20,000,000, 6.02% Unsecured Series O Senior Notes due August 31, 2031 (Exhibit 4.24 to Annual Report on Form 10-K for the year ended December 31, 2006.)
  10 .1   Water Supply Contract between Cal Water and County of Butte relating to Cal Water’s Oroville District; Water Supply Contract between Cal Water and the Kern County Water Agency relating to Cal Water’s Bakersfield District; Water Supply Contract between Cal Water and Stockton East Water District relating to Cal Water’s Stockton District. (Exhibits 5(g), 5(h), 5(i), 5(j), Registration Statement No. 2-53678, which exhibits are incorporated by reference to Annual Report on Form 10-K for the year ended December 31, 1974)
  10 .2   Settlement Agreement and Master Water Sales Contract between the City and County of San Francisco and Certain Suburban Purchasers dated August 8, 1984; Supplement to Settlement Agreement and Master Water Sales Contract, dated August 8, 1984; Water Supply Contract between Cal Water and the City and County of San Francisco relating to Cal Water’s Bear Gulch District dated August 8, 1984; Water Supply Contract between Cal Water and the City and County of San Francisco relating to the Cal Water’s San Carlos District dated August 8, 1984; Water Supply Contract between Cal Water and the City and County of San Francisco relating to Cal Water’s San Mateo District dated August 8, 1984; Water Supply Contract between Cal Water and the City and County of San Francisco relating to Cal Water’s South San Francisco District dated August 8, 1984. (Exhibit 10.2 to Annual Report on Form l0-K for the year ended December 31,1984)
  10 .3   Water Supply Contract dated January 27, 1981, between Cal Water and the Santa Clara Valley Water District relating to Cal Water’s Los Altos District (Exhibit 10.3 to Annual Report on Form 10-K for the year ended December 31, 1992)
  10 .4   Amendments No. 3, 6 and 7 and Amendment dated June 17, 1980, to Water Supply Contract between Cal Water and the County of Butte relating to Cal Water’s Oroville District. (Exhibit 10.5 to Annual Report on Form 10-K for the year ended December 31, 1992)
  10 .5   Amendment dated May 31, 1977, to Water Supply Contract between Cal Water and Stockton East Water District relating to Cal Water’s Stockton District. (Exhibit 10.6 to Annual Report on Form 10-K for the year ended December 31, 1992)


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Exhibit
   
Number
   
 
  10 .6   Second Amended Contract dated September 25, 1987, among Stockton East Water District, California Water Service Company, the City of Stockton, the Lincoln Village Maintenance District, and the Colonial Heights Maintenance District Providing for the Sale of Treated Water. (Exhibit 10.7 to Annual Report on Form 10-K for the year ended December 31, 1987)
  10 .7   Water Supply Contract dated April 19, 1927, and Supplemental Agreement dated June 5, 1953, between Cal Water and Pacific Gas and Electric Company relating to Cal Water’s Oroville District. (Exhibit 10.9 to Annual Report on Form 10-K for the year ended December 31, 1992)
  10 .8   [reserved]
  10 .9   [reserved]
  10 .10   Agreement between the City of Hawthorne and California Water Service Company for the 15-year lease of the City’s water system. (Exhibit 10.17 to Quarterly Report on Form 10-Q for the quarter ended March 31, 1996)
  10 .11   Water Supply Agreement dated September 25, 1996, between the City of Bakersfield and California Water Service Company. (Exhibit 10.18 to Quarterly Report on Form 10-Q for the quarter ended September 30, 1996)
  10 .12   Water Supply Contract dated November 16, 1994, between California Water Service Company and Alameda County Flood Control and Water Conservation District relating to Cal Water’s Livermore District (Exhibit 10.15 to Annual Report on Form 10-K for the year ended December 31, 1994)
  10 .13   [reserved]
  10 .14   California Water Service Group Directors’ Retirement Plan (As amended and restated on February 22, 2006) (Exhibit 10.14 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .15   [reserved]
  10 .16   $20,000,000 Business Loan Agreement between Bank of America and California Water Service Group, CWS Utility Services, Washington Water Service Company, New Mexico Water Service Company, and Hawaii Water Service Company, Inc. dated May 30, 2007 (Exhibit 10.16 to the Quarter Report on Form 10-Q for the quarter ended June 30, 2007)
  10 .17   $55,000,000 Business Loan Agreement between Bank of America and California Water Service Company dated May 30, 2007 (Exhibit 10.17 to the Quarter Report on Form 10-Q for the quarter ended June 30, 2007)
  10 .18   Executive Severance Plan (Exhibit 10.24 to Annual Report on Form 10-K for the year ended December 31, 1998)*
  10 .19   California Water Service Group Long-Term Incentive Plan (filed as Appendix A of the California Water Service Group proxy statement dated March 17, 2000)*
  10 .20   California Water Service Group Deferred Compensation Plan effective January 1, 2001 (Exhibit 10.22 to Annual Report on Form 10-K for the year ended December 31, 2000)*
  10 .21   California Water Service Company Supplemental Executive Retirement Plan effective January 1, 2001 (Exhibit 10.23 to Annual Report on Form 10-K for the year ended December 31, 2000)*
  10 .22   Amendment No. 1 to California Water Service Company Supplemental Executive Retirement Plan effective January 1, 2001 (Exhibit 10.22 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2004)*
  10 .23   Amendment No. 1 effective June 25, 2003, to agreement with Bank of America dated February 28, 2003 (Exhibit 10.24 to Quarterly Report on Form 10-Q for the quarter ended June 30, 2003)
  10 .24   Water Supply Contract 99-73 between the City of Bakersfield and California Water Service Company, dated March 31, 1999 (Exhibit 10.25 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2003)
  10 .25   Amendment No. 1 to Water Supply Contract between the City of Bakersfield and California Water Service Company, dated October 3, 2001 (Exhibit 10.26 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2003)
  10 .26   [reserved]


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Exhibit
   
Number
   
 
  10 .27   Amendment No. 2 to California Water Service Company Supplemental Executive Retirement Plan effective January 1, 2001 (Exhibit 10.27 to Quarterly Report on Form 10-Q for the quarter ended September 30, 2004)*
  10 .28   [reserved]
  10 .29   [reserved]
  10 .30   California Water Service Group Equity Incentive Plan (filed as Appendix B of the California Water Service Group proxy statement dated March 25, 2005, for its Annual Meeting of Stockholders to be held on April 27, 2005, as filed with the SEC on March 22, 2005 (File No. 1-13883))*
  10 .31   The registrant’s policy on option repricing under its Equity Incentive Plan (incorporated by reference to Item 8.01 Other Events in the registrant’s Current Report on Form 8-K dated April 7, 2005)*
  10 .32   Water Supply Contract dated September 21, 2005, between Cal Water and the Kern County Water Agency. (Exhibit 10.1 to Current Report on Form 8-K filed on September 21, 2005)
  10 .33   Separation Agreement between California Water Service Group and Richard D. Nye. (Exhibit 10 to Current Report on Form 8-K filed on December 22, 2005)*
  10 .34   Form of Stock Appreciation Right Grant Notice under the California Water Service Group Equity Incentive Plan. (Exhibit 10.34 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .35   Form of Stock Appreciation Right Agreement under the California Water Service Group Equity Incentive Plan with Notice of Exercise. (Exhibit 10.35 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .36   Form of Restricted Stock Award Grant Notice under the California Water Service Group Equity Incentive Plan. (Exhibit 10.36 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .37   [reserved]
  10 .38   Form of Restricted Stock Award Agreement under the California Water Service Group Equity Incentive Plan with Assignment Separate From Certificate and Joint Escrow Instructions. (Exhibit 10.38 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .39   Form of Stock Option Grant Notice for outside director under the California Water Service Group Equity Incentive Plan. (Exhibit 10.39 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .40   Form of Stock Option Grant Notice under the California Water Service Group Equity Incentive Plan. (Exhibit 10.40 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .41   Form of Stock Option Agreement (Incentive Stock Option or Nonstatutory Stock Option) under the California Water Service Group Equity Incentive Plan with Notice of Exercise. (Exhibit 10.41 to the Annual Report on Form 10-K for the year ended December 31, 2005)
  10 .42   Offer Letter between the registrant and Martin A. Kropelnicki, dated February 15, 2006 (incorporated by reference to Exhibit 10.1 to Amendment No. 1 to Current Report on Form 8-K of the registrant, dated February 22, 2006)
  10 .43   Underwriting Agreement between California Water Service Group and Robert W. Baird & Co. Incorporated, as representative of the underwriters, October 5, 2006 (incorporated by reference to Exhibit 1.1 to Current Report on Form 8-K filed on October 6, 2006)
  10 .44   Form of Indemnification Agreement to be entered between California Water Service Group and its directors and officers. (Exhibit 10.44 to the Annual Report on Form 10-K for the year ended December 31, 2006)
  21 .   Subsidiaries of the Registrant
  23 .1   Consent of Independent Registered Public Accounting Firm
  31 .1   Chief Executive Officer certification of financial statements pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
  31 .2   Chief Financial Officer certification of financial statements pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
  32 .   Chief Executive Officer and Chief Financial Officer Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002


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Management contract or compensatory plan or arrangement


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