WESTAMERICA BANCORPORATION

Ticker: WABC CUSIP: 957090103 Class: Common Stock

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q4 2015
Shares 500 Value ($000) $23 Avg Close $33.66 Range $30.28 - $36.28
Q3 2015
Shares 500 Value ($000) $22 Avg Close $34.11 Range $30.99 - $37.49
Q2 2015
Shares 500 Value ($000) $25 Avg Close $32.83 Range $29.86 - $37.32
Q1 2015
Shares 500 Value ($000) $22 Avg Close $30.86 Range $28.78 - $34.76
Q4 2014
Shares 500 Value ($000) $25 Avg Close $33.70 Range $29.79 - $36.02
Q3 2014
Shares 500 Value ($000) $23 Avg Close $33.99 Range $32.17 - $37.33
Q2 2014
Shares 500 Value ($000) $26 Avg Close $35.20 Range $33.12 - $38.02
Q1 2014
Shares 500 Value ($000) $27 Avg Close $35.67 Range $33.22 - $38.53