WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

FIRST INTERSTATE BANK's Holding History (CIK: 0001125727)

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

Q2 2017

Shares 1,859 Value ($000) $104 Avg Close $41.48 Range $38.41 - $44.70

Q1 2017

Shares 1,859 Value ($000) $104 Avg Close $43.50 Range $40.27 - $48.84

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	1,859	$104	$41.48	$38.41 - $44.70
Q1 2017	1,859	$104	$43.50	$40.27 - $48.84