California Water Service(CWT) - 2023 Q4 - Annual Results

Exhibit 99.1 February 29, 2024 For immediate release CALIFORNIA WATER SERVICE GROUP ANNOUNCES 2023 Earnings for Year and Fourth Quarter SAN JOSE, CA – California Water Service Group (NYSE: CWT) ("Company" or "CWT") today announced 2023 full year net income attributable to CWT of $51.9 million and diluted earnings per share of$0.91 for 2023, as compared to net income attributable to CWT of $96.0 million and diluted earnings per share of$1.77 for 2022. Net income was positively impacted by increases of $18. ...