WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Public Sector Pension Investment Board's Holding History (CIK: 0001396318)

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

Q4 2025

Shares 86,306 Value ($000) $4,128 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 99,309 Value ($000) $4,964 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 89,249 Value ($000) $4,323 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 84,697 Value ($000) $4,288 Avg Close $48.88 Range $46.41 - $51.42

Q4 2024

Shares 66,478 Value ($000) $3,487 Avg Close $50.92 Range $44.42 - $57.25

Q3 2024

Shares 56,581 Value ($000) $2,796 Avg Close $47.96 Range $44.53 - $54.88

Q2 2024

Shares 58,681 Value ($000) $2,848 Avg Close $44.71 Range $41.94 - $47.91

Q1 2024

Shares 55,302 Value ($000) $2,703 Avg Close $44.93 Range $40.74 - $52.58

Q4 2023

Shares 55,302 Value ($000) $3,120 Avg Close $45.49 Range $38.59 - $53.38

Q3 2023

Shares 32,938 Value ($000) $1,425 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 47,300 Value ($000) $1,812 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 47,334 Value ($000) $2,097 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 48,960 Value ($000) $2,889 Avg Close $52.03 Range $45.87 - $56.69

Q3 2022

Shares 49,329 Value ($000) $3 Avg Close $50.12 Range $46.08 - $54.37

Q2 2022

Shares 49,768 Value ($000) $2,770 Avg Close $51.14 Range $48.47 - $53.70

Q1 2022

Shares 50,152 Value ($000) $3,034 Avg Close $51.69 Range $48.38 - $55.12

Q4 2021

Shares 54,722 Value ($000) $3,159 Avg Close $48.46 Range $45.96 - $50.44

Q3 2021

Shares 54,292 Value ($000) $3,054 Avg Close $48.00 Range $45.58 - $50.22

Q2 2021

Shares 54,902 Value ($000) $3,186 Avg Close $52.96 Range $48.87 - $55.24

Q1 2021

Shares 55,402 Value ($000) $3,478 Avg Close $51.31 Range $45.76 - $56.46

Q4 2020

Shares 59,442 Value ($000) $3,287 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 59,622 Value ($000) $3,240 Avg Close $48.57 Range $43.00 - $54.06

Q2 2020

Shares 60,322 Value ($000) $3,464 Avg Close $48.00 Range $42.78 - $54.53

Q1 2020

Shares 60,622 Value ($000) $3,563 Avg Close $50.93 Range $38.54 - $56.36

Q4 2019

Shares 60,622 Value ($000) $4,108 Avg Close $53.22 Range $48.47 - $56.23

Q3 2019

Shares 68,822 Value ($000) $4,279 Avg Close $50.16 Range $47.48 - $52.86

Q2 2019

Shares 59,422 Value ($000) $3,661 Avg Close $49.98 Range $47.55 - $52.33

Q1 2019

Shares 24,522 Value ($000) $1,515 Avg Close $49.51 Range $43.81 - $52.00

Q4 2018

Shares 23,422 Value ($000) $1,304 Avg Close $46.68 Range $41.39 - $50.57

Q3 2018

Shares 18,722 Value ($000) $1,126 Avg Close $48.42 Range $42.38 - $51.15

Q2 2018

Shares 17,204 Value ($000) $972 Avg Close $45.23 Range $42.53 - $47.73

Q1 2018

Shares 17,204 Value ($000) $999 Avg Close $46.10 Range $42.86 - $48.73

Q4 2017

Shares 16,604 Value ($000) $989 Avg Close $45.39 Range $41.22 - $49.73

Q3 2017

Shares 16,604 Value ($000) $989 Avg Close $41.22 Range $37.95 - $46.20

Q2 2017

Shares 13,510 Value ($000) $757 Avg Close $41.48 Range $38.41 - $44.70

Q1 2017

Shares 18,310 Value ($000) $1,022 Avg Close $43.50 Range $40.27 - $48.84

Q4 2016

Shares 18,310 Value ($000) $1,152 Avg Close $42.49 Range $35.31 - $49.16

Q3 2016

Shares 17,610 Value ($000) $896 Avg Close $36.26 Range $34.29 - $38.21

Q2 2016

Shares 17,610 Value ($000) $867 Avg Close $35.72 Range $33.77 - $38.30

Q1 2016

Shares 17,610 Value ($000) $858 Avg Close $33.33 Range $29.47 - $37.02

Q4 2015

Shares 17,610 Value ($000) $823 Avg Close $33.66 Range $30.28 - $36.28

Q3 2015

Shares 28,110 Value ($000) $1,249 Avg Close $34.11 Range $30.99 - $37.49

Q2 2015

Shares 39,310 Value ($000) $1,991 Avg Close $32.83 Range $29.86 - $37.32

Q1 2015

Shares 48,710 Value ($000) $2,105 Avg Close $30.86 Range $28.78 - $34.76

Q4 2014

Shares 48,900 Value ($000) $2,397 Avg Close $33.70 Range $29.79 - $36.02

Q3 2014

Shares 48,900 Value ($000) $2,275 Avg Close $33.99 Range $32.17 - $37.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	86,306	$4,128	$47.37	$44.09 - $50.85
Q3 2025	99,309	$4,964	$48.41	$45.39 - $50.63
Q2 2025	89,249	$4,323	$46.41	$40.44 - $50.21
Q1 2025	84,697	$4,288	$48.88	$46.41 - $51.42
Q4 2024	66,478	$3,487	$50.92	$44.42 - $57.25
Q3 2024	56,581	$2,796	$47.96	$44.53 - $54.88
Q2 2024	58,681	$2,848	$44.71	$41.94 - $47.91
Q1 2024	55,302	$2,703	$44.93	$40.74 - $52.58
Q4 2023	55,302	$3,120	$45.49	$38.59 - $53.38
Q3 2023	32,938	$1,425	$40.65	$34.46 - $45.59
Q2 2023	47,300	$1,812	$36.02	$31.77 - $39.59
Q1 2023	47,334	$2,097	$47.96	$39.01 - $52.93
Q4 2022	48,960	$2,889	$52.03	$45.87 - $56.69
Q3 2022	49,329	$3	$50.12	$46.08 - $54.37
Q2 2022	49,768	$2,770	$51.14	$48.47 - $53.70
Q1 2022	50,152	$3,034	$51.69	$48.38 - $55.12
Q4 2021	54,722	$3,159	$48.46	$45.96 - $50.44
Q3 2021	54,292	$3,054	$48.00	$45.58 - $50.22
Q2 2021	54,902	$3,186	$52.96	$48.87 - $55.24
Q1 2021	55,402	$3,478	$51.31	$45.76 - $56.46
Q4 2020	59,442	$3,287	$46.10	$42.70 - $50.73
Q3 2020	59,622	$3,240	$48.57	$43.00 - $54.06
Q2 2020	60,322	$3,464	$48.00	$42.78 - $54.53
Q1 2020	60,622	$3,563	$50.93	$38.54 - $56.36
Q4 2019	60,622	$4,108	$53.22	$48.47 - $56.23
Q3 2019	68,822	$4,279	$50.16	$47.48 - $52.86
Q2 2019	59,422	$3,661	$49.98	$47.55 - $52.33
Q1 2019	24,522	$1,515	$49.51	$43.81 - $52.00
Q4 2018	23,422	$1,304	$46.68	$41.39 - $50.57
Q3 2018	18,722	$1,126	$48.42	$42.38 - $51.15
Q2 2018	17,204	$972	$45.23	$42.53 - $47.73
Q1 2018	17,204	$999	$46.10	$42.86 - $48.73
Q4 2017	16,604	$989	$45.39	$41.22 - $49.73
Q3 2017	16,604	$989	$41.22	$37.95 - $46.20
Q2 2017	13,510	$757	$41.48	$38.41 - $44.70
Q1 2017	18,310	$1,022	$43.50	$40.27 - $48.84
Q4 2016	18,310	$1,152	$42.49	$35.31 - $49.16
Q3 2016	17,610	$896	$36.26	$34.29 - $38.21
Q2 2016	17,610	$867	$35.72	$33.77 - $38.30
Q1 2016	17,610	$858	$33.33	$29.47 - $37.02
Q4 2015	17,610	$823	$33.66	$30.28 - $36.28
Q3 2015	28,110	$1,249	$34.11	$30.99 - $37.49
Q2 2015	39,310	$1,991	$32.83	$29.86 - $37.32
Q1 2015	48,710	$2,105	$30.86	$28.78 - $34.76
Q4 2014	48,900	$2,397	$33.70	$29.79 - $36.02
Q3 2014	48,900	$2,275	$33.99	$32.17 - $37.33