WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q4 2025

Shares 6,584 Value ($000) $315 Avg Close $47.37 Range $44.09 - $50.85

Q3 2025

Shares 7,664 Value ($000) $383 Avg Close $48.41 Range $45.39 - $50.63

Q4 2024

Shares 3,840 Value ($000) $201 Avg Close $50.92 Range $44.42 - $57.25

Q4 2022

Shares 3,420 Value ($000) $202 Avg Close $52.03 Range $45.87 - $56.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,584	$315	$47.37	$44.09 - $50.85
Q3 2025	7,664	$383	$48.41	$45.39 - $50.63
Q4 2024	3,840	$201	$50.92	$44.42 - $57.25
Q4 2022	3,420	$202	$52.03	$45.87 - $56.69