California Water Service Group Schedules First Quarter 2017 Earnings Results Announcement and Teleconference

SAN JOSE, CA -- (Marketwired) -- 04/07/17 -- California Water Service Group (NYSE: CWT) today announced that its first quarter 2017 earnings results will be released at 9:00 a.m. ET with its teleconference to follow at 11:00 a.m. ET on Thursday, April 27, 2017.

All stockholders and interested investors are invited to listen to the teleconference. The 2017 first quarter conference call may be accessed by dialing 1-866-719-0110 or 1-719-325-2104 and keying in ID# 6640105. A replay of the call will be available from 2:00 p.m. ET on Thursday, April 27, 2017 through June 27, 2017, at 1-888-203-1112 or 1-719-457-0820, ID# 6640105. The replay will also be available under the investor relations tab at www.calwatergroup.com. The call will be hosted by President and Chief Executive Officer Martin A. Kropelnicki and Vice President and Chief Financial Officer Thomas F. Smegal. Prior to the call, Cal Water will furnish a slide presentation on its website at 6:00 a.m. PDT.

California Water Service Group is the parent company of California Water Service, Washington Water Service, New Mexico Water Service, Hawaii Water Service, CWS Utility Services, and HWS Utility Services. Together, these companies provide regulated and non-regulated water service to nearly 2 million people in California, Washington, New Mexico, and Hawaii. California Water Service was ranked "Highest in Customer Satisfaction among Water Utilities in the West" in 2016 by J.D. Power in its inaugural Water Utility Residential Customer Satisfaction Study. California Water Service Group's common stock trades on the New York Stock Exchange under the symbol "CWT." Additional information is available online at www.calwatergroup.com.

Released April 7, 2017