WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

South Dakota Investment Council's Holding History (CIK: 0001538846)

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

Q4 2020

Shares 1,502 Value ($000) $83 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 21,002 Value ($000) $1,141 Avg Close $48.57 Range $43.00 - $54.06

Q2 2020

Shares 28,002 Value ($000) $1,608 Avg Close $48.00 Range $42.78 - $54.53

Q1 2020

Shares 28,002 Value ($000) $1,646 Avg Close $50.93 Range $38.54 - $56.36

Q4 2019

Shares 28,030 Value ($000) $1,900 Avg Close $53.22 Range $48.47 - $56.23

Q3 2019

Shares 28,500 Value ($000) $1,772 Avg Close $50.16 Range $47.48 - $52.86

Q2 2019

Shares 22,200 Value ($000) $1,368 Avg Close $49.98 Range $47.55 - $52.33

Q1 2019

Shares 22,200 Value ($000) $1,372 Avg Close $49.51 Range $43.81 - $52.00

Q4 2018

Shares 22,200 Value ($000) $1,236 Avg Close $46.68 Range $41.39 - $50.57

Q3 2018

Shares 29,100 Value ($000) $1,751 Avg Close $48.42 Range $42.38 - $51.15

Q2 2018

Shares 29,100 Value ($000) $1,644 Avg Close $45.23 Range $42.53 - $47.73

Q1 2018

Shares 29,100 Value ($000) $1,690 Avg Close $46.10 Range $42.86 - $48.73

Q4 2017

Shares 29,100 Value ($000) $1,733 Avg Close $45.39 Range $41.22 - $49.73

Q3 2017

Shares 29,100 Value ($000) $1,733 Avg Close $41.22 Range $37.95 - $46.20

Q2 2017

Shares 21,400 Value ($000) $1,199 Avg Close $41.48 Range $38.41 - $44.70

Q1 2017

Shares 21,400 Value ($000) $1,195 Avg Close $43.50 Range $40.27 - $48.84

Q4 2016

Shares 22,300 Value ($000) $1,403 Avg Close $42.49 Range $35.31 - $49.16

Q3 2016

Shares 15,500 Value ($000) $789 Avg Close $36.26 Range $34.29 - $38.21

Q2 2016

Shares 15,500 Value ($000) $764 Avg Close $35.72 Range $33.77 - $38.30

Q1 2016

Shares 15,500 Value ($000) $755 Avg Close $33.33 Range $29.47 - $37.02

Q4 2015

Shares 15,500 Value ($000) $725 Avg Close $33.66 Range $30.28 - $36.28

Q3 2015

Shares 15,500 Value ($000) $689 Avg Close $34.11 Range $30.99 - $37.49

Q2 2015

Shares 15,500 Value ($000) $785 Avg Close $32.83 Range $29.86 - $37.32

Q1 2015

Shares 15,500 Value ($000) $670 Avg Close $30.86 Range $28.78 - $34.76

Q4 2014

Shares 15,500 Value ($000) $760 Avg Close $33.70 Range $29.79 - $36.02

Q3 2014

Shares 15,500 Value ($000) $721 Avg Close $33.99 Range $32.17 - $37.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	1,502	$83	$46.10	$42.70 - $50.73
Q3 2020	21,002	$1,141	$48.57	$43.00 - $54.06
Q2 2020	28,002	$1,608	$48.00	$42.78 - $54.53
Q1 2020	28,002	$1,646	$50.93	$38.54 - $56.36
Q4 2019	28,030	$1,900	$53.22	$48.47 - $56.23
Q3 2019	28,500	$1,772	$50.16	$47.48 - $52.86
Q2 2019	22,200	$1,368	$49.98	$47.55 - $52.33
Q1 2019	22,200	$1,372	$49.51	$43.81 - $52.00
Q4 2018	22,200	$1,236	$46.68	$41.39 - $50.57
Q3 2018	29,100	$1,751	$48.42	$42.38 - $51.15
Q2 2018	29,100	$1,644	$45.23	$42.53 - $47.73
Q1 2018	29,100	$1,690	$46.10	$42.86 - $48.73
Q4 2017	29,100	$1,733	$45.39	$41.22 - $49.73
Q3 2017	29,100	$1,733	$41.22	$37.95 - $46.20
Q2 2017	21,400	$1,199	$41.48	$38.41 - $44.70
Q1 2017	21,400	$1,195	$43.50	$40.27 - $48.84
Q4 2016	22,300	$1,403	$42.49	$35.31 - $49.16
Q3 2016	15,500	$789	$36.26	$34.29 - $38.21
Q2 2016	15,500	$764	$35.72	$33.77 - $38.30
Q1 2016	15,500	$755	$33.33	$29.47 - $37.02
Q4 2015	15,500	$725	$33.66	$30.28 - $36.28
Q3 2015	15,500	$689	$34.11	$30.99 - $37.49
Q2 2015	15,500	$785	$32.83	$29.86 - $37.32
Q1 2015	15,500	$670	$30.86	$28.78 - $34.76
Q4 2014	15,500	$760	$33.70	$29.79 - $36.02
Q3 2014	15,500	$721	$33.99	$32.17 - $37.33