Investor Presentaiton

(in millions) Capital Investment and Depreciation 2015-2022 TOTAL CapEx Capital Investment Depreciation $400 $360 $365 $350 3x $328 $299 $293 $300 $272 $274 DEPRECIATION $259 $250 $229 $200 $177 $150 $131 $118 $116 $133 $109 $115 $124 $100 $99 $84 $89 $82 YTD $77 $50 $55 $58 $61 $61 $64 $0 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 * 2023-2024 Estimated investments and depreciation include amounts filed in the California 2021 GRC plus estimates for other states and does not yet include estimates for PFAS treatment. 2023 2024* CALIFORNIA WATER SERVICE GROUP INVESTING FOR LIFE INVESTOR RELATIONS 15

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