WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

MAI Capital Management's Holding History (CIK: 0001040197)

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

Q4 2025

Shares 785 Value ($000) $38 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 765 Value ($000) $38 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 866 Value ($000) $42 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 383 Value ($000) $19 Avg Close $48.88 Range $46.41 - $51.42

Q4 2024

Shares 355 Value ($000) $19 Avg Close $50.92 Range $44.42 - $57.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	785	$38	$47.37	$44.09 - $50.85
Q3 2025	765	$38	$48.41	$45.39 - $50.63
Q2 2025	866	$42	$46.41	$40.44 - $50.21
Q1 2025	383	$19	$48.88	$46.41 - $51.42
Q4 2024	355	$19	$50.92	$44.42 - $57.25