WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Sterling Capital Management LLC's Holding History (CIK: 0001329883)

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

Q4 2025

Shares 1,402 Value ($000) $67 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 1,709 Value ($000) $85 Avg Close $48.41 Range $45.39 - $50.63

Q2 2025

Shares 688 Value ($000) $33 Avg Close $46.41 Range $40.44 - $50.21

Q1 2025

Shares 443 Value ($000) $22 Avg Close $48.88 Range $46.41 - $51.42

Q4 2024

Shares 824 Value ($000) $43 Avg Close $50.92 Range $44.42 - $57.25

Q3 2024

Shares 90 Value ($000) $4 Avg Close $47.96 Range $44.53 - $54.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,402	$67	$47.37	$44.09 - $50.85
Q3 2025	1,709	$85	$48.41	$45.39 - $50.63
Q2 2025	688	$33	$46.41	$40.44 - $50.21
Q1 2025	443	$22	$48.88	$46.41 - $51.42
Q4 2024	824	$43	$50.92	$44.42 - $57.25
Q3 2024	90	$4	$47.96	$44.53 - $54.88