X0508 4 2026-03-12 0001056903 AMERICAN STATES WATER CO AWR 0001665477 Rowley Paul J 630 E FOOTHILL BLVD SAN DIMAS CA 91773 true SVP OF OPERATIONS false Common Shares 2026-03-05 4 A 0 447.8041 0 A 4649.7679 I 401k Common Shares 2026-03-05 4 D 0 1.5878 0 D 6448.3799 D Common Shares 2026-03-05 4 A 0 11.4307 75.46 A 6459.8105 D Common Shares 2026-03-12 4 A 0 1071 0 A 7530.8105 D Common Shares 2026-03-12 4 A 0 873.8351 74.44 A 8404.6456 D Common Shares 2026-03-13 4 F 0 359.8452 74.44 D 8044.8004 D Common Shares 2026-03-13 4 F 0 113.2903 74.44 D 7931.5101 D Common Shares 2026-03-13 4 F 0 107.3366 74.44 D 7824.1735 D Updated 401k Adjustment due to partial shares Der units credited on 03/05/2026 at FMV 359.8452 shares withheld to satisfy tax liability 113.2903 shares withheld to satisfy tax liability 107.3366 shares withheld to satisfy tax liability /s/ Paul J. Rowley 2026-03-16