WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2024

Shares 36,785 Value ($000) $1,798 Avg Close $44.93 Range $40.74 - $52.58

Q4 2023

Shares 35,586 Value ($000) $2,007 Avg Close $45.49 Range $38.59 - $53.38

Q3 2023

Shares 30,260 Value ($000) $1,309 Avg Close $40.65 Range $34.46 - $45.59

Q2 2023

Shares 15,760 Value ($000) $604 Avg Close $36.02 Range $31.77 - $39.59

Q1 2023

Shares 24,415 Value ($000) $1,082 Avg Close $47.96 Range $39.01 - $52.93

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	36,785	$1,798	$44.93	$40.74 - $52.58
Q4 2023	35,586	$2,007	$45.49	$38.59 - $53.38
Q3 2023	30,260	$1,309	$40.65	$34.46 - $45.59
Q2 2023	15,760	$604	$36.02	$31.77 - $39.59
Q1 2023	24,415	$1,082	$47.96	$39.01 - $52.93