California Water Service Group Moving Forward to Install PFAS Treatment Despite CPUC Dismissal of Request to Track Capital Costs in Pre-Approved Memorandum Account - Seite 2

Group’s purpose is to enhance the quality of life for customers, communities, employees, and stockholders. To do so, it invests responsibly in water and wastewater infrastructure, sustainability initiatives, and community well-being. The company’s 1,200+ employees live by a set of strong core values and share a commitment to protecting the planet, caring for people, and operating with the utmost integrity. The company has been named one of “America’s Most Responsible Companies” and the “World’s Most Trustworthy Companies” by Newsweek and a Great Place to Work.  More information is available at www.calwatergroup.com.

This news release contains forward-looking statements within the meaning established by the Private Securities Litigation Reform Act of 1995 (PSLRA). The forward-looking statements are intended to qualify under provisions of the federal securities laws for "safe harbor" treatment established by the PSLRA. Forward-looking statements in this news release 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 document, statements that are not historical in nature, including words like will, would, expects, intends, plans, believes, may, could, estimates, assumes, anticipates, projects, progress, predicts, hopes, targets, forecasts, should, seeks, commits or variations of these words or similar expressions are intended to identify forward-looking statements. Examples of forward-looking statements in this news release include, but are not limited to, statements describing Group's and its subsidiaries' ability to treat potentially impacted water sources and to comply with the New PFAS Regulations. Forward-looking statements are not guarantees of future performance. They are based on numerous assumptions that we believe are reasonable but are subject to uncertainty and risks. Actual results may vary materially from what is contained in a forward-looking statement. Factors that may cause actual results to be different than those expected or anticipated include, but are not limited to: governmental and regulatory commissions' decisions; consequences of eminent domain actions relating to our water systems; changes in regulatory commissions' policies and procedures; the outcome and timeliness of regulatory commissions' actions concerning rate relief and other actions; changes in water quality standards; changes in environmental compliance and water quality requirements; electric power interruptions; the impact of opposition to rate increases; our ability to recover costs; availability of water supplies; issues with the implementation, maintenance or security of our information technology systems; civil disturbances or terrorist threats or acts; the adequacy of our efforts to mitigate physical and cyber security risks and threats; the ability of our enterprise risk management processes to identify or address risks adequately; changes in customer water use patterns and the effects of conservation; the impact of weather, climate change, natural disasters, and actual or threatened public health emergencies; the impact of market conditions and volatility on unrealized gains or losses on our operating results; risks associated with expanding our business and operations geographically; and other risks and unforeseen events described in our SEC filings. 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 news release. When considering forward-looking statements, you should keep in mind the cautionary statements included in this paragraph, as well as in our Annual 10-K, Quarterly 10-Q's, and other reports filed from time-to-time with the Securities and Exchange Commission (SEC). 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.