WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q1 2021

Shares 4,595 Value ($000) $288 Avg Close $51.31 Range $45.76 - $56.46

Q4 2020

Shares 5,556 Value ($000) $307 Avg Close $46.10 Range $42.70 - $50.73

Q3 2020

Shares 52 Value ($000) $3 Avg Close $48.57 Range $43.00 - $54.06

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	4,595	$288	$51.31	$45.76 - $56.46
Q4 2020	5,556	$307	$46.10	$42.70 - $50.73
Q3 2020	52	$3	$48.57	$43.00 - $54.06