Elissa Y Ouyang

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
7 Mar 23	CWT California Water Service	Common Stock	Grant	Acquire A	No	No	58.83	1,275	75.01 k	9,198.37
3 Mar 23	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	56.84	811	46.10 k	7,923.37
3 Mar 23	CWT California Water Service	Common Stock	Grant	Acquire A	No	No	0	1,453	0.00	8,734.37
3 Mar 23	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	56.84	40	2.27 k	7,281.37
2 Mar 23	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	56.76	37	2.10 k	7,321.37
1 Mar 23	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	55.9	238	13.30 k	7,358.37
3 Dec 22	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	64.3	33	2.12 k	7,577.19
2 Dec 22	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	64.3	30	1.93 k	7,596.07
3 Sep 22	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	58.44	33	1.93 k	7,626.07
2 Sep 22	CWT California Water Service	Common Stock	Payment of exercise	Dispose F	No	No	58.44	31	1.81 k	7,647.08

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.