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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
311094	Westamerica Bancorporation	WABC	National Commercial Banks (6021)	942156203

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1418453	L David Robinson	Westamerica Bancorporation 4550 Mangels Blvd Fairfield CA 94534	Svp/Banking Division Manager	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2013-10-18	8,790	$49.61	8,912	No	4	M	Direct
Common Stock	Disposition	2013-10-18	4,100	$51.36	4,812	No	4	S	Direct
Common Stock	Disposition	2013-10-18	4,690	$52.18	122	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Option (Right to Buy)	Disposition	2013-10-18	8,790	$0.00	8,790	$49.61

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-01-22	2014-01-22	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	19,140	Indirect	Deferred
Common Stock	1,275	Indirect	Esop

Footnotes

Includes shares from dividend reinvestment and from purchases through a stock purchase plan that are exempt through Rule 16b-3(c).
This is a weighted average price of multiple transactions for the same option. The sale prices range from $50.88 to $51.8575
This is a weighted average price of multiple transactions for the same option. The sale prices range from $51.8850 to $52.4200.
Options vest ratably over three years beginning one year from date of grant.