Commitment to ESG

Forward-Looking Statements SJW Group Safe Harbor This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Some of these forward-looking statements can be identified by the use of forward-looking words such as "believes," "expects," "may," "will," "should," "seeks," "approximately," "intends," "plans," "estimates," "projects," "strategy," or "anticipates," or the negative of those words or other comparable terminology. These forward looking statements are only predictions and are subject to risks, uncertainties and assumptions that are difficult to predict. The accuracy of such statements is subject to a number of risks, uncertainties and assumptions including, but not limited to, the following factors: (1) the effect of water, utility, environmental and other governmental policies and regulations, including actions concerning rates, authorized return on equity, authorized capital structures, capital expenditures and other decisions; (2) changes in demand for water and other services; (3) the impact of the Coronavirus ("COVID-19") pandemic on our business operations and financial results; (4) unanticipated weather conditions and changes in seasonality, including those affecting water supply and customer usage; (5) climate change and the effects thereof; (6) unexpected costs, charges or expenses; (7) our ability to successfully evaluate investments in new business and growth initiatives; (8) contamination of our water supplies and damage or failure of our water equipment and infrastructure, (9) the risk of work stoppages, strikes and other labor-related actions; (10) catastrophic events such as fires, earthquakes, explosions, floods, ice storms, tornadoes, hurricanes, terrorist acts, physical attacks, cyber-attacks, epidemic or similar occurrences; (11) changes in general economic, political, business and financial market conditions; (12) the ability to obtain financing on favorable terms, which can be affected by various factors, including credit ratings, changes in interest rates, compliance with regulatory requirements, compliance with the terms and conditions of our outstanding indebtedness, and general market and economic conditions; and (13) legislative and general market and economic developments. Results for a quarter are not indicative of results for a full year due to seasonality and other factors. In addition, actual results are subject to other risks and uncertainties that relate more broadly to our overall business, including those more fully described in our filings with the SEC, including our most recent reports on Form 10-K, Form 10-Q and Form 8-K. Forward-looking statements are not guarantees of performance. All information included in this presentation is as of December 31, 2021, unless stated otherwise, and we undertake no obligation to update or revise any forward-looking statements except as required by law. Use of Non-GAAP Financial Information In this presentation, the Company will be discussing the non-GAAP financial measure of Adjusted EBITDA, which is adjusted from results based on GAAP. This non-GAAP financial measure is provided to enhance the investors' overall understanding of the Company's current financial performance and the Company's prospects for the future. We have presented Adjusted EBITDA because we believe it serves as an appropriate measure to be used in evaluating the performance of our business and help our investors better compare our operating performance over multiple periods and that the exclusion of the amounts eliminated in calculating Adjusted EBITDA can provide a useful measure for period-to-period comparisons of our core business performance. Non-GAAP measures should not be viewed as a substitute for the Company's financial statements prepared in accordance with GAAP. The Company's use of non-GAAP financial measures has certain limitations in that such non-GAAP financial measures may not be directly comparable to those reported by other companies. Other companies may use the same or similarly named measures, but exclude different items, which may not provide investors with a comparable view of our performance in relation to other companies. We seek to compensate for the limitation of the non-GAAP presentation by providing a detailed reconciliation of Adjusted EBITDA to net income in Appendix 1. 3

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