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ADDITIONAL Q1 FINANCIAL NOTES Q1 HAD A $4.6M INCREASED GAIN ON CERTAIN NONQUALIFIED RETIREMENT PLAN ASSETS AS COMPARED TO Q1 2022 WATER PRODUCTION COSTS FELL $6.5M DUE TO LOWER DEMAND INVESTED $82.0M IN CAPITAL IMPROVEMENTS DURING THE QUARTER, A 19.7% INCREASE OVER Q1 2022 DESPITE HEAVY RAINS IMPACTING CONSTRUCTION NEW REVOLVING CREDIT AGREEMENT, INCREASING THE AMOUNT AVAILABLE TO CALIFORNIA WATER SERVICE COMPANY AND GROUP TO $600M THROUGH 2028 BEGINNING IN Q2, CAL WATER EXPECTS TO INCREASE MOST CUSTOMER RATES BY 4% ON AN INTERIM BASIS PENDING THE RESOLUTION OF THE GRC CALIFORNIA WATER SERVICE GROUP INVESTING FOR LIFE INVESTOR RELATIONS

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