CALIFORNIA WTR SVC GROUP

Ticker: CWT CUSIP: 130788102 Class: EQTY

American Investment Services, Inc.'s Holding History (CIK: 0001369913)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 31,325 Value ($000) $1,493 Avg Close $38.36 Range $34.66 - $42.59

Q3 2018

Shares 34,584 Value ($000) $1,484 Avg Close $35.44 Range $33.43 - $37.13

Q2 2018

Shares 34,584 Value ($000) $1,347 Avg Close $33.60 Range $30.49 - $35.84

Q1 2018

Shares 33,874 Value ($000) $1,262 Avg Close $34.09 Range $30.19 - $39.07

Q4 2017

Shares 33,874 Value ($000) $1,536 Avg Close $36.64 Range $32.37 - $39.32

Q3 2017

Shares 33,874 Value ($000) $1,292 Avg Close $31.99 Range $30.74 - $33.49

Q2 2017

Shares 33,874 Value ($000) $1,247 Avg Close $30.17 Range $27.66 - $33.10

Q1 2017

Shares 34,829 Value ($000) $1,249 Avg Close $29.04 Range $27.12 - $31.59

Q4 2016

Shares 34,829 Value ($000) $1,181 Avg Close $27.62 Range $24.31 - $30.80

Q3 2016

Shares 34,829 Value ($000) $1,118 Avg Close $26.77 Range $24.87 - $29.44

Q2 2016

Shares 34,829 Value ($000) $1,217 Avg Close $24.19 Range $21.54 - $28.89

Q1 2016

Shares 35,393 Value ($000) $946 Avg Close $20.40 Range $18.34 - $22.46

Q4 2015

Shares 35,393 Value ($000) $824 Avg Close $18.48 Range $17.14 - $19.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	31,325	$1,493	$38.36	$34.66 - $42.59
Q3 2018	34,584	$1,484	$35.44	$33.43 - $37.13
Q2 2018	34,584	$1,347	$33.60	$30.49 - $35.84
Q1 2018	33,874	$1,262	$34.09	$30.19 - $39.07
Q4 2017	33,874	$1,536	$36.64	$32.37 - $39.32
Q3 2017	33,874	$1,292	$31.99	$30.74 - $33.49
Q2 2017	33,874	$1,247	$30.17	$27.66 - $33.10
Q1 2017	34,829	$1,249	$29.04	$27.12 - $31.59
Q4 2016	34,829	$1,181	$27.62	$24.31 - $30.80
Q3 2016	34,829	$1,118	$26.77	$24.87 - $29.44
Q2 2016	34,829	$1,217	$24.19	$21.54 - $28.89
Q1 2016	35,393	$946	$20.40	$18.34 - $22.46
Q4 2015	35,393	$824	$18.48	$17.14 - $19.75