WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2017

Shares 10 Value ($000) $1 Avg Close $45.39 Range $41.22 - $49.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	10	$1	$45.39	$41.22 - $49.73