California Water Service Group Promotes Tim Treloar to Chief Utility Operations Officer and Michael Luu to Chief Information Officer

SAN JOSE, CA -- (Marketwired) -- 11/30/16 -- California Water Service Group (NYSE: CWT) today announced the promotion of Timothy D. Treloar from Vice President of Operations to Vice President of Water Quality and Chief Utility Operations Officer, and Michael B. Luu from Vice President of Customer Service & Information Technology to Vice President of Customer Service and Chief Information Officer, effective January 1, 2017.

Treloar joined the company in 1994, and has held several management positions, including District Manager and Director of Water Quality. He was named to his current position in August 2013. In his new position, Treloar will assume responsibility for water quality and water, wastewater, and recycled water operations Group-wide.

Luu was also appointed to his current position in August 2013. Since joining the company in 1999, he has served in a number of capacities, including Information Technology Applications Manager and Director of Information Technology, Enterprise Systems. As Vice President of Customer Service and Chief Information Officer, Luu will be responsible for customer service and all information technology strategy, architecture, and applications, including cyber security, for all of Group's operations.

"Tim and Michael have both made outstanding contributions to our Company, including how we operate to better serve our customers. Both of their areas of responsibility have become increasingly complex and critical to our long-term strategy and overall success. I congratulate them both on these well-deserved promotions and look forward to working with them in their expanded roles," said Martin A. Kropelnicki, President and Chief Executive Officer.

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 on our website at

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