WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

HARBOR CAPITAL ADVISORS, INC.'s Holding History (CIK: 0001039128)

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

Q4 2025

Shares 140 Value ($000) $0 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 142 Value ($000) $0 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 205 Value ($000) $0 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 171 Value ($000) $0 Avg Close $48.88 Range $46.41 - $51.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	140	$0	$47.37	$44.09 - $50.85
Q3 2025	142	$0	$48.41	$45.39 - $50.63
Q2 2025	205	$0	$46.41	$40.44 - $50.21
Q1 2025	171	$0	$48.88	$46.41 - $51.42