Press Release

California Water Service Group Named a Top Workplace in Bay Area for Fifth Consecutive Year

SAN JOSE, CA--(Marketwired - Jun 27, 2016) - For the fifth year in a row, California Water Service Group (NYSE: CWT) has been named one of the Top Workplaces in the Bay Area by the Bay Area News Group. The 2016 honor was given to the company based on input provided by local employees of its largest subsidiary, California Water Service (Cal Water).

Cal Water is a regulated water utility with 383 employees in the Bay Area. The company serves approximately 381,500 people through 110,000 customer connections in Atherton, Cupertino, Los Altos, Los Altos Hills, Livermore, Menlo Park, Mountain View, Portola Valley, Redwood City, San Carlos, San Mateo, South San Francisco, Sunnyvale, and Woodside. Cal Water serves more than 1.9 million people through 480,300 customer connections statewide.

"We are committed to enhancing the quality of life for our customers and communities, and we know in order to achieve that, we must also have the best employees," said Martin A. Kropelnicki, Cal Water President and CEO. "When we help our employees grow and excel, treat them fairly, and value each of their contributions, they can keep focusing on delivering the quality, service, and value we promise."

"I'm so proud that our employees appreciate our commitment to them, and am honored that they have now earned us this recognition for five years in a row," Kropelnicki said. "At Cal Water, we are more than a company; we're a family that supports each other, and I firmly believe there is a direct correlation between how our employees feel about us with the service they provide."

The Top Workplace rankings are based on survey information collected and analyzed by an independent research company specializing in employee engagement and retention. The survey asks employees about company leadership, compensation and training, diversity/inclusion, career development, family-friendly flexibility, and values and ethics.

California Water Service Group is the parent company of California Water Service, Washington Water Service Company, New Mexico Water Service Company, Hawaii Water Service Company, Inc., CWS Utility Services, and HWS Utility Services, LLC. Together these companies employ 1,155 people who provide regulated and non-regulated water service to approximately 2 million people in more than 100 California, Washington, New Mexico, and Hawaii communities. 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. The company's common stock trades on the New York Stock Exchange under the symbol "CWT." More information is available at www.calwatergroup.com.

1720 North First St.
San Jose, CA 95112

Contact:
Yvonne Kingman
(310) 257-1434