WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q3 2023

Shares 19,671 Value ($000) $851 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 20,346 Value ($000) $779 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 21,316 Value ($000) $944 Avg Close $47.96 Range $39.01 - $52.93

Q4 2022

Shares 19,315 Value ($000) $1,141 Avg Close $52.03 Range $45.87 - $56.69

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	19,671	$851	$40.65	$34.46 - $45.59
Q2 2023	20,346	$779	$36.02	$31.77 - $39.59
Q1 2023	21,316	$944	$47.96	$39.01 - $52.93
Q4 2022	19,315	$1,141	$52.03	$45.87 - $56.69