WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2023

Shares 22,587 Value ($000) $1,001 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 15,445 Value ($000) $911 Avg Close $52.03 Range $45.87 - $56.69

Q3 2022

Shares 11,805 Value ($000) $617 Avg Close $50.12 Range $46.08 - $54.37

Q2 2022

Shares 13,375 Value ($000) $744 Avg Close $51.14 Range $48.47 - $53.70

Q2 2020

Shares 4,549 Value ($000) $261 Avg Close $48.00 Range $42.78 - $54.53

Q1 2015

Shares 8,661 Value ($000) $374 Avg Close $30.86 Range $28.78 - $34.76

Q3 2014

Shares 10,714 Value ($000) $498 Avg Close $33.99 Range $32.17 - $37.33

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	22,587	$1,001	$47.96	$39.01 - $52.93
Q4 2022	15,445	$911	$52.03	$45.87 - $56.69
Q3 2022	11,805	$617	$50.12	$46.08 - $54.37
Q2 2022	13,375	$744	$51.14	$48.47 - $53.70
Q2 2020	4,549	$261	$48.00	$42.78 - $54.53
Q1 2015	8,661	$374	$30.86	$28.78 - $34.76
Q3 2014	10,714	$498	$33.99	$32.17 - $37.33