WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

MOUNTAIN PACIFIC INVESTMENT ADVISERS INC/ID's Holding History (CIK: 0001067324)

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

Q3 2018

Shares 150 Value ($000) $9 Avg Close $48.42 Range $42.38 - $51.15

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	150	$9	$48.42	$42.38 - $51.15