AMERICAN STATES WATER CO

(a) On May 5, 2025, AWR’s Board of Directors approved a second quarter dividend of $0.4655 per share on AWR’s Common Shares. Dividends on the Common Shares will be paid on June 3, 2025 to shareholders of record at the close of business on May 19, 2025.

(b) There have been no material changes during thefirst quarter of 2025 to the procedures by which shareholders may nominate persons to the Board of Directors of AWR.

(c) During the quarter ended March 31, 2025, no officer or director adopted, terminated, or modified any Rule 10b5-1 plans or non-Rule 10b5-1 plans.

(d) On May 6, 2025, AWR entered into two amendments to that certain Credit Agreement, dated as of June 28, 2023 by and among AWR, Wells Fargo Bank, N.A., Bank of China, Los Angeles Branch, City National Bank, The Northern Trust Company and The Chiba Bank, Ltd., New York Branch, (the “AWR Amendment No.2” and “AWR Amendment No.3”, or collectively “AWR Amendments”), and GSWC entered into an amendment to that certain Credit Agreement, dated as of June 28, 2023, by and among GSWC, Wells Fargo Bank, N.A., Bank of China, Los Angeles Branch, CoBank, ACB and The Northern Trust Company (the “GSWC Amendment”). The AWR Amendment No.2 and GSWC Amendment extended the terms of AWR’s and GSWC’s respective credit facility terms from June 2028 to June 2029. In addition, the AWR Amendment No.3 expanded AWR’s credit facility borrowing capacity to $195.0 million through an existing bank from the original syndicate group and the addition of a new bank, The Chiba Bank, Ltd., New York Branch, to the existing syndicate group participating in AWR’s credit facility. The foregoing descriptions of the AWR Amendments and the GSWC Amendment are summaries and are qualified in their entirety by reference to the full texts of the AWR Amendments and GSWC Amendment, which are filed as Exhibits 10.26, 10.27 and 10.28 to this Form 10-Q, respectively.