X0306 4/A 2013-03-05 2013-03-06 0 0001035201 CALIFORNIA WATER SERVICE GROUP cwt 0001241839 BROWN DOUGLAS M C/O CALIFORNIA WATER SERVICE GROUP 1720 NORTH FIRST STREET SAN JOSE CA 95112 1 0 0 0 Common Stock 2013-03-05 4 A 0 1033 20.62 A 24341 D Form 4A filed to correct the Transaction Code. The transaction was an acquisition (A) exempt under Rule 16b-3. The original Form 4, filed on March 6, 2013, indicated that the transaction was a purchase (P), which would not be an exempt transaction. The original Form 4 incorrectly stated that Mr. Brown was granted 2,751 shares. The restricted stock vests 100% on May 17, 2013. The original Form 4 incorrectly stated that the restricted stock vests with a one-year cliff vesting term, vesting 100% on the first anniversary of the grant date. Lynne McGhee 2013-04-04