X0306 4 2022-03-03 0001035201 CALIFORNIA WATER SERVICE GROUP CWT 0001381750 McGhee Lynne P CALIFORNIA WATER SERVICE COMPANY 1720 N. FIRST STREET SAN JOSE CA 95112 false true false false VP, General Counsel Common Stock 2022-03-03 4 F false 69 57.01 D 25739.36 D Common Stock 2022-03-05 4 F false 72 58.63 D 25667.36 D Common Stock 2022-03-05 4 A false 2312 0.00 A 27979.36 D Common Stock 2022-03-05 4 F false 1234 58.63 D 26745.36 D Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock (RSA) Award #526. Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Restricted Stock (RSA) Award #485. On 3/5/2019, the reporting person was granted a Performance Stock Unit (PSU) of 1,457 shares of common stock. The PSU vested in full based on satisfaction of certain performance criteria approved by the Board of Directors. The performance criteria was met resulting in 159% payout of the original goal. Represents the number of shares withheld by and surrendered to the Issuer to satisfy the tax withholding obligations that arose in connection with the vesting of the Performance Stock Unit (PSU) Award #497. /s/ Michelle Mortensen on behalf of Lynne P. McGhee 2022-03-07