California Updates & ESG Initiatives

Strong Access to Capital Markets • S&P Credit Rating A- /negative • $350 million bank lines of credit, $171.5 million utilized¹ $83 million in gross proceeds raised ATM in 2023 • $1.8 billion market capitalization² Improving Debt to Capitalization³ 1 As of December 31, 2023 2 As of March 8, 2024 3 Includes long-term and short-term debt 61.5% 62.7% 60.7% 59.8% 58.6% 2019 2020 2021 2022 2023 SJW Group 10

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