Common stock assessment due for California Domestic Water Company shares.

CALIFORNIA DOMESTIC WATER COMPANY 15505 WHITTIER BLVD. P.O. BOX 1338 WHITTIER, CA 90609 COMMON STOCK ASSESSMENT NO. 370 Notice is hereby given that on Friday, April 17, 2026, the Board of Directors took action to levy Common Stock Assessment No. 370 of $34.00 per share upon all outstanding shares of California Domestic Water Company common stock, effective April 30, 2026 and payable immediately thereafter to: CALIFORNIA DOMESTIC WATER COMPANY 15505 Whittier Blvd. P.O. Box 1338 Whittier, California 90609 Any shares upon which this assessment remains unpaid as of Friday, May 29, 2026 shall be considered delinquent and subject to a 5% penalty. Unless payment for any such delinquent assessment and accrued penalties is made before 10:00 a.m. on Tuesday, June 30, 2026 , the said common stock shares, or so many of said common stock shares as may be necessary, will be sold at auction at California Domestic Water Company's office, at the foregoing address, on said date and hour to collect the delinquent assessment and accrued penalties. If no bidder offers to pay the amount due on the common stock shares, together with the penalty of 5% thereof, the shares shall be forfeited to California Domestic Water Company. April 30, 2026 Stephanie Alvarado Whittier, California Assistant Secretary Whittier Daily News Published: 4/30/26