Westamerica Bancorporation - 10-Q quarterly report FY2011 Q3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

þ	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2011

o	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________ to __________.

Commission file number: 001-09383

WESTAMERICA BANCORPORATION

(Exact Name of Registrant as Specified in Its Charter)

CALIFORNIA	94-2156203
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

1108 FIFTH AVENUE, SAN RAFAEL, CALIFORNIA 94901

(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, Including Area Code (707) 863-6000

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes R No £

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes R No £

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of "large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer R	Accelerated filer £	Non-accelerated filer £	Smaller reporting company £
	(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes £ No R

Indicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date:

Title of Class		Shares outstanding as of October 27, 2011

Common Stock,		28,478,701
No Par Value

TABLE OF CONTENTS

	Page

Forward Looking Statements	3

PART I - FINANCIAL INFORMATION

Item 1 Financial Statements	4

Notes to Unaudited Condensed Consolidated Financial Statements	8

Financial Summary	27

Item 2 Management's Discussion and Analysis of Financial Condition and Results of Operations	28

Item 3 Quantitative and Qualitative Disclosures about Market Risk	45

Item 4 Controls and Procedures	45

PART II - OTHER INFORMATION

Item 1 Legal Proceedings	46

Item 1A Risk Factors	46

Item 2 Unregistered Sales of Equity Securities and Use of Proceeds	46

Item 3 Defaults upon Senior Securities	47

Item 4 Reserved	47

Item 5 Other Information	47

Item 6 Exhibits	47

Signatures	48

Exhibit Index	49

Exhibit 31.1 - Certification of Chief Executive Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)
Exhibit 31.2 - Certification of Chief Financial Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)
Exhibit 32.1 - Certification of Chief Executive Officer Required by 18 U.S.C. Section 1350
Exhibit 32.2 - Certification of Chief Financial Officer Required by 18 U.S.C. Section 1350

FORWARD-LOOKING STATEMENTS

This report on Form 10-Q contains forward-looking statements about Westamerica Bancorporation for which it claims the protection of the safe harbor provisions contained in the Private Securities Litigation Reform Act of 1995. Examples of forward-looking statements include, but are not limited to: (i) projections of revenues, expenses, income or loss, earnings or loss per share, the payment or nonpayment of dividends, capital structure and other financial items; (ii) statements of plans, objectives and expectations of the Company or its management or board of directors, including those relating to products or services; (iii) statements of future economic performance; and (iv) statements of assumptions underlying such statements. Words such as "believes", "anticipates", "expects", "intends", "targeted", "projected", "continue", "remain", "will", "should", "may" and other similar expressions are intended to identify forward-looking statements but are not the exclusive means of identifying such statements.

These forward-looking statements are based on Management’s current knowledge and belief and include information concerning the Company’s possible or assumed future financial condition and results of operations. A number of factors, some of which are beyond the Company’s ability to predict or control, could cause future results to differ materially from those contemplated. These factors include but are not limited to (1) the length and severity of current and potential future difficulties in the global, national and California economies and the effects of government efforts to address those difficulties; (2) liquidity levels in capital markets; (3) fluctuations in asset prices including, but not limited to stocks, bonds, real estate, and commodities; (4) the effect of acquisitions and integration of acquired businesses; (5) economic uncertainty created by terrorist threats and attacks on the United States, the actions taken in response, and the uncertain effect of these events on the national and regional economies; (6) changes in the interest rate environment; (7) changes in the regulatory environment; (8) competitive pressure in the banking industry; (9) operational risks including data processing system failures or fraud; (10) volatility of interest rate sensitive loans, deposits and investments; (11) asset/liability management risks and liquidity risks; (12) the effect of natural disasters, including earthquakes, fire, and other disasters, on the uninsured value of loan collateral, the financial condition of debtors and issuers of investment securities, the economic conditions affecting the Company’s market place, and commodities and asset values, and (13) changes in the securities markets. The Company undertakes no obligation to update any forward-looking statements in this report. The reader is directed to the Company's annual report on Form 10-K for the year ended December 31, 2010, for further discussion of factors which could affect the Company's business and cause actual results to differ materially from those expressed in any forward-looking statement made in this report. The Company undertakes no obligation to update any forward-looking statements in this report.

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PART I - FINANCIAL INFORMATION

Item 1 Financial Statements

WESTAMERICA BANCORPORATION

CONSOLIDATED BALANCE SHEETS

(unaudited)

	At September 30,			At December 31,
	2011			2010
	(In thousands)
Assets:
Cash and due from banks	$	459,754		$	338,793
Money market assets		-			392
Investment securities available for sale		683,640			671,484

Investment securities held to maturity, with fair values of: $778,330 at September 30, 2011, $594,711 at December 31, 2010		755,906			580,728
Purchased covered loans		575,353			692,972
Purchased non-covered loans		139,200			199,571
Originated loans		1,920,286			2,029,541
Allowance for loan losses		(32,893	)		(35,636	)
Total loans		2,601,946			2,886,448
Non-covered other real estate owned		24,671			13,620
Covered other real estate owned		23,160			21,791
Premises and equipment, net		36,098			36,278
Identifiable intangibles, net		30,099			34,604
Goodwill		121,673			121,673
Other assets		229,552			225,713
Total Assets	$	4,966,499		$	4,931,524

Liabilities:
Deposits
Noninterest bearing deposits	$	1,527,030		$	1,454,663
Interest bearing deposits		2,665,353			2,678,298
Total deposits		4,192,383			4,132,961
Short-term borrowed funds		120,917			107,385
Federal Home Loan Bank advances		26,078			61,698
Debt financing and notes payable		15,000			26,363
Other liabilities		58,133			57,830
Total Liabilities		4,412,511			4,386,237

Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares
Issued and outstanding:
28,301 at September 30, 2011, 29,090 at December 31, 2010		374,398			378,885
Deferred compensation		3,060			2,724
Accumulated other comprehensive income		10,795			159
Retained earnings		165,735			163,519
Total Shareholders' Equity		553,988			545,287
Total Liabilities and Shareholders' Equity	$	4,966,499		$	4,931,524

See accompanying notes to unaudited condensed consolidated financial statements.

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WESTAMERICA BANCORPORATION
CONSOLIDATED STATEMENTS OF INCOME
(unaudited)
	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
	(In thousands, except per share data)
Interest Income:
Loans	$	39,899	$	44,434	$	122,534	$	133,196
Money market assets and funds sold		-		1		-		2
Investment securities available for sale		5,526		4,189		16,428		12,110
Investment securities held to maturity		6,551		6,579		18,597		20,976
Total Interest Income		51,976		55,203		157,559		166,284
Interest Expense:
Deposits		1,677		2,047		5,344		6,716
Short-term borrowed funds		76		511		184		1,538
Federal Home Loan Bank advances		118		113		398		249
Notes payable		200		425		601		1,272
Total Interest Expense		2,071		3,096		6,527		9,775
Net Interest Income		49,905		52,107		151,032		156,509
Provision for Loan Losses		2,800		2,800		8,400		8,400
Net Interest Income After Provision For Loan Losses		47,105		49,307		142,632		148,109
Noninterest Income:
Service charges on deposit accounts		7,430		8,162		22,529		25,533
Merchant processing services		2,358		2,234		6,921		6,631
Debit card fees		1,269		1,259		3,752		3,678
ATM processing fees		980		1,004		2,911		2,917
Trust fees		432		429		1,407		1,257
Financial services commissions		111		211		257		583
Gain on acquisition		-		178		-		178
Other		2,625		1,594		7,462		5,534
Total Noninterest Income		15,205		15,071		45,239		46,311
Noninterest Expense:
Salaries and related benefits		14,401		15,481		44,388		46,849
Occupancy		4,010		3,962		12,085		11,561
Outsourced data processing services		2,165		2,187		6,743		6,629
Amortization of identifiable intangibles		1,477		1,573		4,505		4,711
Professional fees		1,185		950		3,489		2,480
Furniture and equipment		943		1,067		2,915		3,234
Courier service		840		826		2,535		2,636
Deposit insurance assessments		740		1,268		2,700		3,848
Other Real Estate Owned		700		188		1,835		653
Settlements		-		-		2,100		23
Other		4,922		4,006		13,719		13,011
Total Noninterest Expense		31,383		31,508		97,014		95,635
Income Before Income Taxes		30,927		32,870		90,857		98,785
Provision for income taxes		8,495		9,161		24,774		27,939
Net Income	$	22,432	$	23,709	$	66,083	$	70,846

Average Common Shares Outstanding		28,433		29,127		28,739		29,187
Diluted Average Common Shares Outstanding		28,498		29,385		28,879		29,515
Per Common Share Data:
Basic earnings	$	0.79	$	0.81	$	2.30	$	2.43
Diluted earnings		0.79		0.81		2.29		2.40
Dividends paid		0.36		0.36		1.08		1.08

See accompanying notes to unaudited condensed consolidated financial statements.

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WESTAMERICA BANCORPORATION
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME
(unaudited)

	Common						Accumulated
	Shares			Common			Deferred		Comprehensive		Retained
	Outstanding			Stock			Compensation		Income		Earnings			Total
	(In thousands)

Balance, December 31, 2009		29,208		$	366,247		$	2,485	$	3,714	$	133,002		$	505,448
Comprehensive income
Net income for the period												70,846			70,846
Other comprehensive income, net of tax:
Increase in net unrealized gains on securities available for sale										3,497					3,497
Post-retirement benefit transition obligation amortization										27					27
Total comprehensive income															74,370
Exercise of stock options		305			12,682										12,682
Stock option tax benefits					917										917
Restricted stock activity		7			194			239							433
Stock based compensation					1,060										1,060
Stock awarded to employees		2			101										101
Purchase and retirement of stock		(404	)		(5,078	)						(17,171	)		(22,249	)
Dividends												(31,589	)		(31,589	)
Balance, September 30, 2010		29,118		$	376,123		$	2,724	$	7,238	$	155,088		$	541,173

Balance, December 31, 2010		29,090		$	378,885		$	2,724	$	159	$	163,519		$	545,287
Comprehensive income
Net income for the period												66,083			66,083
Other comprehensive income, net of tax:
Increase in net unrealized gains on securities available for sale										10,609					10,609
Post-retirement benefit transition obligation amortization										27					27
Total comprehensive income															76,719
Exercise of stock options		150			6,234										6,234
Stock option tax benefits					6										6
Restricted stock activity		15			455			336							791
Stock based compensation					1,080										1,080
Stock awarded to employees		2			75										75
Purchase and retirement of stock		(956	)		(12,337	)						(32,725	)		(45,062	)
Dividends												(31,142	)		(31,142	)
Balance, September 30, 2011		28,301		$	374,398		$	3,060	$	10,795	$	165,735		$	553,988

See accompanying notes to unaudited condensed consolidated financial statements.

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WESTAMERICA BANCORPORATION
CONSOLIDATED STATEMENTS OF CASH FLOWS
(unaudited)

	For the Nine Months
	Ended September 30,
	2011			2010
	(In thousands)
Operating Activities:
Net income	$	66,083		$	70,846
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		10,460			11,359
Loan loss provision		8,400			8,400
Net amortization of deferred loan (fees) cost		(295	)		12
Decrease in interest income receivable		74			742
Gain on acquisition		-			(178	)
Decrease in other assets		944			11,751
Increase in income taxes payable		805			2,530
Decrease in net deferred tax asset		1,365			-
Decrease in interest expense payable		(1,196	)		(28	)
Decrease in other liabilities		(551	)		(14,778	)
Stock option compensation expense		1,080			1,060
Stock option tax benefits		(6	)		(917	)
Gain on sale of other assets		(800	)		(608	)
Net gain on sale of premises and equipment		(398	)		(445	)
Originations of mortgage loans for resale		(450	)		(277	)
Net proceeds from sale of mortgage loans originated for resale		471			288
Net gain on sale of foreclosed assets		(280	)		(561	)
Writedown of foreclosed assets		1,326			793
Net Cash Provided by Operating Activities		87,032			89,989

Investing Activities:
Net repayments of loans		240,524			227,056
Proceeds from FDIC* loss-sharing indemnification		7,956			35,792
Purchases of investment securities available for sale		(208,707	)		(279,827	)
Purchases of investment securities held to maturity		(233,966	)		-
Proceeds from maturity/calls of securities available for sale		204,168			122,452
Proceeds from maturity/calls of securities held to maturity		61,737			108,096
Net change in FRB/FHLB* securities		(12,698	)		3,479
Proceeds from sale of foreclosed assets		17,702			10,953
Purchases of premises and equipment		(2,198	)		(657	)
Proceeds from sale of premises and equipment		640			603
Net cash acquired from acquisitions		-			57,895
Net Cash Provided by Investing Activities		75,158			285,842

Financing Activities:
Net change in deposits		60,375			(237,794	)
Net change in short-term borrowings and FHLB advances		(21,640	)		(114,764	)
Repayments of notes payable and debt financing		(10,000	)		-
Exercise of stock options		6,234			12,682
Stock option tax benefits		6			917
Repurchases/retirement of stock		(45,062	)		(22,249	)
Dividends paid		(31,142	)		(31,589	)
Net Cash Used in Financing Activities		(41,229	)		(392,797	)
Net Change In Cash and Due from Banks		120,961			(16,966	)
Cash and Due from Banks at Beginning of Period		338,793			361,135
Cash and Due from Banks at End of Period	$	459,754		$	344,169

Supplemental Cash Flow Disclosures:
Supplemental disclosure of non cash activities:
Loan collateral transferred to other real estate owned	$	33,196		$	24,188
Supplemental disclosure of cash flow activities:
Interest paid for the period		9,028			11,759
Income tax payments for the period		22,604			39,578
Acquisitions:
Assets acquired	$	-		$	315,083
Liabilities assumed		-			314,905
Net	$	-		$	178

See accompanying notes to unaudited condensed consolidated financial statements.

* Federal Deposit Insurance Corporation ("FDIC")

** Federal Reserve Bank ("FRB")

*** Federal Home Loan Bank ("FHLB")

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NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1: Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission. The results of operations reflect interim adjustments, all of which are of a normal recurring nature and which, in the opinion of Management, are necessary for a fair presentation of the results for the interim periods presented. The interim results for the three and nine months ended September 30, 2011 and 2010 are not necessarily indicative of the results expected for the full year. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and accompanying notes as well as other information included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.

The Company has evaluated events and transactions subsequent to the balance sheet date. Based on this evaluation, the Company is not aware of any events or transactions that occurred subsequent to the balance sheet date but prior to filing that would require recognition or disclosure in its consolidated financial statements.

Note 2: Accounting Policies

The Company’s accounting policies are discussed in Note 1 to the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010. Certain amounts in prior periods have been reclassified to conform to the current presentation.

Nonmarketable Equity Securities. Nonmarketable equity securities include securities that are not publicly traded and securities acquired for various purposes, such as to meet regulatory requirements (for example, Federal Home Loan Bank and Federal Reserve stock). These securities are accounted for under the cost method and are included in other assets. The Company reviews those assets accounted for under the cost method at least quarterly for possible declines in value that are considered “other than temporary”. The Company’s review typically includes an analysis of the facts and circumstances of each investment, the expectations for the investment’s cash flows and capital needs, the viability of its business model and exit strategy. The asset value is reduced when a decline in value is considered to be other than temporary. The Company recognizes the estimated loss as a loss from equity investments in noninterest income.

Certain accounting policies underlying the preparation of these financial statements require Management to make estimates and judgments. These estimates and judgments may significantly affect reported amounts of assets and liabilities, revenues and expenses, and disclosures of contingent assets and liabilities. Management exercises judgment to estimate the appropriate level of the allowance for credit losses and the acquisition date fair value of purchased loans, which are discussed in the Company’s accounting policies.

As described in Note 3 below, Westamerica Bank (“Bank”) acquired assets and assumed liabilities of the former Sonoma Valley Bank (“Sonoma”) on August 20, 2010. The acquired assets and assumed liabilities were measured at estimated fair values, as required by Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 805, Business Combinations. Management made significant estimates and exercised significant judgment in accounting for the acquisition. Management judgmentally measured loan fair values based on loan file reviews (including borrower financial statements and tax returns), appraised collateral values, expected cash flows, and historical loss factors. Repossessed loan collateral was primarily valued based upon appraised collateral values. The Bank also recorded an identifiable intangible asset representing the value of the core deposit customer base of Sonoma based on Management’s evaluation of the cost of such deposits relative to alternative funding sources. In determining the value of the identifiable intangible asset, Management used significant estimates including average lives of depository accounts, future interest rate levels, the cost of servicing various depository products, and other significant estimates. Management used quoted market prices to determine the fair value of investment securities and FHLB advances.

The acquired assets of Sonoma include loans; such loans are not indemnified by the Federal Deposit Insurance Corporation (“FDIC”). However, on February 6, 2009, the Bank acquired loans in a business combination that are indemnified by the FDIC, as described in Note 2 to the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010. Pursuant to acquisition accounting, the loans in each business combination were measured at their estimated fair value at the respective acquisition date. This method of measuring the carrying value of purchased loans differs from loans originated by the Company, and as such, the Company identifies purchased loans not indemnified by the FDIC as “Purchased Non-covered Loans” and purchased loans indemnified by the FDIC as “Purchased Covered Loans.”

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Loans originated by the Company are measured at the principal amount outstanding, net of unearned discount and unamortized deferred fees and costs. These loans are identified as “Originated Loans.”

Recently Adopted Accounting Standards

FASB Accounting Standards Update (ASU) 2011-02, A Creditor’s Determination of Whether a Restructuring is a Troubled Debt Restructuring, was issued April 2011 providing additional guidance for creditors in determining whether a creditor has granted a concession and whether a debtor is experiencing financial difficulties for purposes of determining whether a restructuring constitutes a troubled debt restructuring. The provisions of this standard are effective for the first interim or annual period beginning on or after June 15, 2011 with early adoption permissible, and should be applied retrospectively to the beginning of the annual period of adoption. The Company early adopted the provisions of this standard effective April 1, 2011 with retrospective application to January 1, 2011. One troubled debt restructuring was identified as a result of the adoption of this Update as disclosed in Note 5.

FASB ASU 2011-01, Deferral of the Effective Date of Disclosures about Troubled Debt Restructurings in Update No. 2010-20 (Topic 310), was issued January 2011 deferring the new disclosure requirements (paragraphs 310-10-50-31 through 50-34 of the FASB Accounting Standards Codification) about troubled debt restructurings to be concurrent with the effective date of the guidance for determining what constitutes a troubled debt restructuring, as presented in proposed Accounting Standards Update, Receivables (Topic 310): Clarifications to Accounting for Troubled Debt Restructurings by Creditors. As a result of the issuance of Update 2011-02, the provisions of Update 2011-01 are effective for the first interim or annual period beginning on or after June 15, 2011 or July 1, 2011 for the Company, and should be applied retrospectively to the beginning of the annual period of adoption. The Company adopted the Update concurrent with ASU 2011-02.

Recently Issued Accounting Standards

FASB ASU 2011-03, Reconsideration of Effective Control for Repurchase Agreements, was issued April 2011 addressing the accounting for repurchase agreements and other agreements that both entitle and obligate a transferor to repurchase or redeem financial assets before their maturity. The amendments remove from the assessment of effective control (1) the criterion requiring the transferor to have the ability to repurchase or redeem the financial assets on substantially the agreed terms, even in the event of default by the transferee, and (2) the collateral maintenance implementation guidance related to that criterion. The provisions of this Update are effective for the first interim or annual period beginning on or after December 15, 2011, and should be applied prospectively to transactions or modifications of existing transactions that occur on or after the effective date. Management does not expect the adoption of the Update to have a material effect on the Company’s financial statements at the date of adoption.

FASB ASU 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs, was issued May 2011 as a result of the FASB and International Accounting Standards Board’s (IASB) goal to develop common requirements for measuring fair value and for disclosing information about fair value measurements in accordance with U.S. generally accepted accounting principles and International Financial Reporting Standards. The provisions of this Update are effective during the interim or annual periods beginning after December 15, 2011, and are to be applied prospectively. Management does not expect the adoption of the Update to have a material effect on the Company’s financial statements at the date of adoption.

FASB ASU 2011-05, Presentation of Comprehensive Income, was issued June 2011 requiring that all changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. This Update also requires that reclassification adjustments for items that are reclassified from other comprehensive income to net income be presented on the face of the financial statements. The provisions of this Update are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011, and are to be applied retrospectively. Early adoption is permitted. Management does not expect the adoption of the Update to have a material effect on the Company’s financial statements at the date of adoption.

FASB Accounting Standards Update (ASU) 2011-08, Testing for Goodwill Impairment, was issued September 2011 giving an entity the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, an entity determines it is more likely than not that the fair value of a reporting unit is more than its carrying amount, then performing the two-step impairment test is unnecessary. However, if an entity concludes otherwise, then it is required to perform the first step of the two-step impairment test by calculating the fair value of the reporting unit and comparing the fair value with the carrying amount of the reporting unit. If the carrying amount of a reporting unit exceeds its fair value, then the entity is required to perform the second step of the goodwill impairment test to measure the amount of the impairment loss, if any. Under the amendments in this Update, an entity has the option to bypass the qualitative assessment for any reporting unit in any period and proceed directly to performing the first step of the two-step goodwill impairment test. An entity may resume performing the qualitative assessment in any subsequent period. The provisions of this standard are effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, with early adoption permitted. Management does not expect the adoption of the Update to have a material effect on the Company’s financial statements at the date of adoption.

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Note 3: Acquisition

On August 20, 2010, the Bank purchased substantially all the assets and assumed substantially all the liabilities of Sonoma from the FDIC, as Receiver of Sonoma. Sonoma operated three commercial banking branches within Sonoma County, California. The FDIC took Sonoma under receivership upon Sonoma’s closure by the California Department of Financial Institutions at the close of business August 20, 2010. Westamerica Bank purchased substantially all of Sonoma’s net assets at a discount of $43,000 thousand and paid a $5,008 thousand deposit premium.

The Sonoma acquisition was accounted for under the purchase method of accounting in accordance with FASB ASC 805, Business Combinations. The statement of net assets acquired as of August 20, 2010 and the resulting bargain purchase gain are presented in the following table. The purchased assets and assumed liabilities were recorded at their respective acquisition date fair values, and identifiable intangible assets were recorded at fair value. Fair values are preliminary and subject to refinement for up to one year after the closing date of a merger as information relative to closing date fair values becomes available. A “bargain purchase” gain totaling $178 thousand resulted from the acquisition and is included as a component of noninterest income on the statement of income. The amount of the gain is equal to the amount by which the fair value of assets purchased exceeded the fair value of liabilities assumed. Sonoma’s results of operations prior to the acquisition are not included in Westamerica’s statement of income.

Statement of Net Assets Acquired (at fair value)
	At
	August 20, 2010
	(In thousands)
Assets
Cash and due from banks	$	57,895
Money market assets		26,050
Securities		7,223
Loans		213,664
Other real estate owned		2,916
Core deposit intangible		5,270
Other assets		2,065
Total Assets	$	315,083

Liabilities
Deposits		252,563
Federal Home Loan Bank advances		61,872
Other liabilities		470
Total Liabilities		314,905

Net assets acquired	$	178

	At
	August 20, 2010
	(In thousands)

Sonoma Valley Bank tangible shareholder's equity	$	13,923
Adjustments to reflect assets acquired and liabilities assumed at fair value:
Cash payment from FDIC		21,270
Loans and leases, net		(34,562	)
Other real estate owned		(1,491	)
Other assets		(811	)
Core deposit intangible		5,270
Deposits		(1,233	)
Federal Home Loan Bank advances		(1,872	)
Other liabilities		(316	)
Gain on acquisition	$	178

- 10 -

Note 4: Investment Securities

The amortized cost, unrealized gains and losses accumulated in other comprehensive income, and fair value of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale
	At September 30, 2011
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(In thousands)
U.S. Treasury securities	$	3,541	$	59	$	-		$	3,600
Securities of U.S. government sponsored entities		128,157		383		(42	)		128,498
Residential mortgage-backed securities		93,328		5,984		(6	)		99,306
Commercial mortgage-backed securities		4,606		24		(6	)		4,624
Obligations of states and political subdivisions		257,481		8,801		(471	)		265,811
Residential collateralized mortgage obligations		51,919		2,384		-			54,303
Asset-backed securities		7,933		-		(282	)		7,651
FHLMC and FNMA stock		824		1,968		(5	)		2,787
Corporate securities		114,441		199		(1,863	)		112,777
Other securities		2,397		1,928		(42	)		4,283
Total	$	664,627	$	21,730	$	(2,717	)	$	683,640

The amortized cost, unrealized gains and losses, and fair value of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity
	At September 30, 2011
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(In thousands)
Residential mortgage-backed securities	$	34,072	$	1,646	$	-		$	35,718
Obligations of states and political subdivisions		513,823		20,045		(371	)		533,497
Residential collateralized mortgage obligations		208,011		3,405		(2,301	)		209,115
Total	$	755,906	$	25,096	$	(2,672	)	$	778,330

The amortized cost, unrealized gains and losses accumulated in other comprehensive income, and fair value of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale
	At December 31, 2010
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(In thousands)
U.S. Treasury securities	$	3,554	$	-	$	(12	)	$	3,542
Securities of U.S. government sponsored entities		175,080		162		(2,365	)		172,877
Residential mortgage-backed securities		105,702		4,142		(15	)		109,829
Commercial mortgage-backed securities		5,081		7		(23	)		5,065
Obligations of states and political subdivisions		264,757		2,423		(6,047	)		261,133
Residential collateralized mortgage obligations		24,709		894		-			25,603
Asset-backed securities		9,060		-		(774	)		8,286
FHLMC and FNMA stock		824		42		(211	)		655
Corporate securities		79,356		200		(365	)		79,191
Other securities		2,655		2,699		(51	)		5,303
Total	$	670,778	$	10,569	$	(9,863	)	$	671,484

- 11 -

The amortized cost, unrealized gains and losses, and fair value of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity
	At December 31, 2010
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(In thousands)
Residential mortgage-backed securities	$	40,531	$	1,797	$	-		$	42,328
Obligations of states and political subdivisions		455,372		13,142		(1,142	)		467,372
Residential collateralized mortgage obligations		84,825		2,198		(2,012	)		85,011
Total	$	580,728	$	17,137	$	(3,154	)	$	594,711

The amortized cost and fair value of securities by contractual maturity are shown in the following table:

	At September 30, 2011
	Securities Available				Securities Held
	for Sale				to Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
	(In thousands)
Maturity in years:
1 year or less	$	36,061	$	36,229	$	10,910	$	10,980
Over 1 to 5 years		275,954		275,655		136,765		140,613
Over 5 to 10 years		60,795		62,417		318,260		331,886
Over 10 years		138,743		144,036		47,888		50,018
Subtotal		511,553		518,337		513,823		533,497
Mortgage-backed securities and residential collateralized mortgage obligations		149,853		158,233		242,083		244,833
Other securities		3,221		7,070		-		-
Total	$	664,627	$	683,640	$	755,906	$	778,330

The amortized cost and fair value of securities by contractual maturity are shown in the following table:

	At December 31, 2010
	Securities Available				Securities Held
	for Sale				to Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
	(In thousands)
Maturity in years:
1 year or less	$	21,362	$	21,460	$	6,057	$	6,103
Over 1 to 5 years		315,777		314,605		92,837		95,608
Over 5 to 10 years		64,565		64,804		351,407		360,602
Over 10 years		130,103		124,160		5,071		5,059
Subtotal		531,807		525,029		455,372		467,372
Mortgage-backed securities and residential collateralized mortgage obligations		135,492		140,497		125,356		127,339
Other securities		3,479		5,958		-		-
Total	$	670,778	$	671,484	$	580,728	$	594,711

Expected cash flows from mortgage-backed securities and collateralized mortgage obligations can differ from contractual cash flows because borrowers have the right to call or prepay obligations with or without call or prepayment penalties. In addition, such factors as prepayments and interest rates may affect the yield on the carrying value of mortgage-backed securities.

- 12 -

An analysis of gross unrealized losses of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale
	At September 30, 2011
	Less than 12 Months					12 Months or Longer					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
	(In thousands)
Securities of U.S. government sponsored entities	$	15,012	$	(42	)	$	-	$	-		$	15,012	$	(42	)
Residential mortgage-backed securities		2,540		(3	)		973		(3	)		3,513		(6	)
Residential collateralized mortgage obligations		18		-			-		-			18		-
Commercial mortgage-backed securities		-		-			1,365		(6	)		1,365		(6	)
Obligations of states and political subdivisions		8,115		(102	)		22,117		(369	)		30,232		(471	)
Asset-backed securities		-		-			7,651		(282	)		7,651		(282	)
FHLMC and FNMA stock		-		-			1		(5	)		1		(5	)
Corporate securities		44,222		(1,187	)		24,324		(676	)		68,546		(1,863	)
Other securities		2		-			1,959		(42	)		1,961		(42	)
Total	$	69,909	$	(1,334	)	$	58,390	$	(1,383	)	$	128,299	$	(2,717	)

An analysis of gross unrealized losses of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity
	At September 30, 2011
	Less than 12 Months					12 Months or Longer					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
	(In thousands)

Obligations of States and political subdivisions	$	22,747	$	(193	)	$	7,075	$	(178	)	$	29,822	$	(371	)
Residential collateralized mortgage obligations		32,010		(135	)		15,962		(2,166	)		47,972		(2,301	)
Total	$	54,757	$	(328	)	$	23,037	$	(2,344	)	$	77,794	$	(2,672	)

The unrealized losses on the Company’s investments in mortgage obligations and asset backed securities were caused by market conditions for these types of investments. The Company evaluates these securities on a quarterly basis including changes in security ratings issued by rating agencies, delinquency and loss information with respect to the underlying collateral, changes in the levels of subordination for the Company’s particular position within the repayment structure, and remaining credit enhancement as compared to expected credit losses of the security.

The unrealized losses on the Company’s investments in obligations of states and political subdivisions were caused by conditions in the municipal securities market. The Company’s investments in obligations of states and political subdivisions primarily finance essential community services such as school districts, water delivery systems, hospitals and fire protection services. Further, these bonds are primarily “bank qualified” issues whereby the issuing authority’s total debt issued in any one year does not exceed $30 million, thereby qualifying the bonds for tax-exempt status for federal income tax purposes. The Company evaluates these securities quarterly to determine if a change in security rating has occurred or the municipality has experienced financial difficulties. Substantially all of these securities continue to be investment grade rated.

The unrealized losses on the Company’s investments in corporate securities were caused by changes in interest rates and market conditions for these types of investments.

The Company does not intend to sell any investments and has concluded that it is more likely than not that it will not be required to sell the investments prior to recovery of the amortized cost basis. Therefore, the Company does not consider these investments to be other-than-temporarily impaired as of September 30, 2011.

The fair values of the investment securities could decline in the future if the issuers’ financial condition deteriorates, the general economy deteriorates, credit ratings decline, or the liquidity for securities is low. As a result, other than temporary impairments may occur in the future.

- 13 -

An analysis of gross unrealized losses of the available for sale investment securities portfolio follows:

	Investment Securities Available for Sale
	At December 31, 2010
	Less than 12 Months					12 Months or Longer					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
	(In thousands)
U.S. Treasury securities	$	3,542	$	(12	)	$	-	$	-		$	3,542	$	(12	)
Securities of U.S. government sponsored entities		146,083		(2,365	)		-		-			146,083		(2,365	)
Residential mortgage-backed securities		1,534		(15	)		-		-			1,534		(15	)
Commercial mortgage-backed securities		3,028		(23	)		-		-			3,028		(23	)
Obligations of states and political subdivisions		132,014		(5,505	)		10,341		(542	)		142,355		(6,047	)
Asset-backed securities		-		-			8,286		(774	)		8,286		(774	)
FHLMC and FNMA stock		550		(211	)		-		-			550		(211	)
Corporate securities		44,752		(365	)		-		-			44,752		(365	)
Other securities		1		-			1,948		(51	)		1,949		(51	)
Total	$	331,504	$	(8,496	)	$	20,575	$	(1,367	)	$	352,079	$	(9,863	)

An analysis of gross unrealized losses of the held to maturity investment securities portfolio follows:

	Investment Securities Held to Maturity
	At December 31, 2010
	Less than 12 Months					12 Months or Longer					Total
			Unrealized					Unrealized					Unrealized
	Fair Value		Losses			Fair Value		Losses			Fair Value		Losses
	(In thousands)
Obligations of states and political subdivisions	$	22,157	$	(382	)	$	18,663	$	(760	)	$	40,820	$	(1,142	)
Residential collateralized mortgage obligations		-		-			20,182		(2,012	)		20,182		(2,012	)
Total	$	22,157	$	(382	)	$	38,845	$	(2,772	)	$	61,002	$	(3,154	)

The following table provides information about the amount of interest income from taxable and non-taxable investment securities:

	For the Three Months				For the Nine Months
	Ended September 30,				Ended September 30,
	2011		2010		2011		2010
	(In thousands)
Taxable	$	4,624	$	3,957	$	12,604	$	12,585
Tax-exempt		7,453		6,812		22,421		20,503
Total interest income from investment securities	$	12,077	$	10,769	$	35,025	$	33,088

- 14 -

Note 5: Loans and Allowance for Credit Losses

A summary of the major categories of loans outstanding is shown in the following table. Re-classification of some purchased non-covered loans occurred in the nine months ended September 30, 2011 upon conversion of such loans to the Company’s accounting systems.

	At September 30, 2011
													Consumer
				Commercial						Residential			Installment
	Commercial			Real Estate			Construction			Real Estate			& Other			Total
	(In thousands)
Originated loans	$	419,402		$	720,940		$	18,246		$	283,821		$	477,877		$	1,920,286
Purchased covered loans:
Impaired		2,312			21,377			3,064			-			243			26,996
Non impaired		131,240			356,301			14,543			14,051			81,187			597,322
Purchase discount		(20,736	)		(23,315	)		(2,550	)		(524	)		(1,840	)		(48,965	)
Purchased non-covered loans:
Impaired		806			21,557			4,413			-			639			27,415
Non impaired		14,829			74,360			8,400			4,063			26,679			128,331
Purchase discount		(692	)		(9,639	)		(3,277	)		(467	)		(2,471	)		(16,546	)
Total	$	547,161		$	1,161,581		$	42,839		$	300,944		$	582,314		$	2,634,839

	At December 31, 2010
													Consumer
				Commercial						Residential			Installment
	Commercial			Real Estate			Construction			Real Estate			& Other			Total
	(In thousands)
Originated loans	$	474,183		$	757,140		$	26,145		$	310,196		$	461,877		$	2,029,541
Purchased covered loans:
Impaired		17,922			18,768			11,386			140			255			48,471
Non impaired		180,302			395,091			22,185			18,758			89,949			706,285
Purchase discount		(29,239	)		(23,177	)		(5,191	)		(524	)		(3,653	)		(61,784	)
Purchased non-covered loans (refined):
Impaired		474			40,402			8,705			311			2,793			52,685
Non impaired		17,030			100,357			18,708			7,211			35,962			179,268
Purchase discount		(1,684	)		(17,071	)		(7,293	)		(467	)		(5,867	)		(32,382	)
Total	$	658,988		$	1,271,510		$	74,645		$	335,625		$	581,316		$	2,922,084

Changes in the carrying amount of impaired purchased covered loans were as follows:

	For the
	Nine Months Ended			For the Year Ended
	September 30, 2011			December 31, 2010
Impaired purchased covered loans	(In thousands)
Carrying amount at the beginning of the period	$	33,556		$	43,196
Reductions during the period		(14,096	)		(9,640	)
Carrying amount at the end of the period	$	19,460		$	33,556

- 15 -

Changes in the accretable yield for purchased loans were as follows:

	For the			For the
	Nine Months Ended			Year Ended
	September 30, 2011			December 31, 2010
Purchased loans	(In thousands)
Balance at the beginning of the period	$	6,089		$	-
Accretion		(9,215	)		(8,747	)
Reclassification from nonaccretable difference		6,897			14,836
Disposals and other		-			-
Balance at the end of the period	$	3,771		$	6,089

Accretion	$	(9,215	)	$	(8,747	)
Reduction in FDIC indemnification asset		7,256			6,816
Increase in interest income	$	(1,959	)	$	(1,931	)

The following table represents the non impaired purchased non-covered loans receivable at the acquisition date of August 20, 2010. The amounts include principal only and do not reflect accrued interest as of the date of acquisition or beyond:

	At August 20, 2010
	(refined)
Non impaired purchased non-covered loans receivable	(In thousands)
Gross contractual loan principal payment receivable	$	188,206
Estimate of contractual principal not expected to be collected		(14,955	)
Fair value of non impaired purchased loans receivable	$	176,025

The Company applied the cost recovery method to impaired purchased non-covered loans at the acquisition date of August 20, 2010 due to the uncertainty as to the timing of expected cash flows as reflected in the following table:

	At August 20, 2010
	(refined)
Impaired purchased non-covered loans	(In thousands)
Contractually required payments receivable (including interest)	$	70,882
Nonaccretable difference		(33,243	)
Cash flows expected to be collected		37,639
Accretable difference		-
Fair value of loans acquired	$	37,639

Changes in the carrying amount of impaired purchased non-covered loans were as follows for the periods indicated below from August 20, 2010 (acquisition date) through September 30, 2011:

				August 20, 2010
	For the Nine Months			through
	Ended			December 31, 2010
	September 30, 2011			(refined)
Impaired purchased non-covered loans	(In thousands)
Carrying amount at the beginning of the period	$	33,725		$	37,639
Reductions during the period		(15,241	)		(3,914	)
Carrying amount at the end of the period	$	18,484		$	33,725

No changes in the accretable yield for impaired purchased non-covered loans occurred from the August 20, 2010 purchase date through September 30, 2011.

- 16 -

The following summarizes activity in the allowance for credit losses:

	Allowance for Credit Losses
	For the Three Months Ended September 30, 2011
												Consumer					Purchased
				Commercial						Residential		Installment					Covered
	Commercial			Real Estate			Construction			Real Estate		and Other			Unallocated		Loans			Total
	(In thousands)
Allowance for credit losses:
Balance at beginning of period	$	6,729		$	10,241		$	3,959		$	466	$	3,522		$	8,091	$	-		$	33,008
Additions:
Provision		539			1,422			(826	)		317		539			381		428			2,800
Deductions:
Chargeoffs		(799	)		(398	)		(452	)		-		(1,575	)		-		(428	)		(3,652	)
Recoveries		190			-			-			-		547			-		-			737
Net loan and lease chargeoffs		(609	)		(398	)		(452	)		-		(1,028	)		-		(428	)		(2,915	)
Balance at end of period		6,659			11,265			2,681			783		3,033			8,472		-			32,893
Liability for off-balance sheet credit exposure		1,835			1			62			-		150			645		-			2,693
Total allowance for credit losses	$	8,494		$	11,266		$	2,743		$	783	$	3,183		$	9,117	$	-		$	35,586

	Allowance for Credit Losses
	For the Nine Months Ended September 30, 2011
													Consumer					Purchased
				Commercial						Residential			Installment					Covered
	Commercial			Real Estate			Construction			Real Estate			and Other			Unallocated		Loans			Total
	(In thousands)
Allowance for credit losses:
Balance at beginning of period	$	8,094		$	9,607		$	3,260		$	617		$	6,372		$	7,686	$	-		$	35,636
Additions:
Provision		3,518			2,057			1,347			693			(429	)		786		428			8,400
Deductions:
Chargeoffs		(5,786	)		(399	)		(1,926	)		(527	)		(5,050	)		-		(428	)		(14,116	)
Recoveries		833			-			-			-			2,140			-		-			2,973
Net loan and lease chargeoffs		(4,953	)		(399	)		(1,926	)		(527	)		(2,910	)		-		(428	)		(11,143	)
Balance at end of period		6,659			11,265			2,681			783			3,033			8,472		-			32,893
Liability for off-balance sheet credit exposure		1,835			1			62			-			150			645		-			2,693
Total allowance for credit losses	$	8,494		$	11,266		$	2,743		$	783		$	3,183		$	9,117	$	-		$	35,586

The recorded investment in loans was evaluated for impairment as follows:

	Recorded Investment in Loans Evaluated for Impairment
	At September 30, 2011
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Unallocated		Purchased Non-covered Loans		Purchased Covered Loans		Total
	(In thousands)
Allowance for credit losses:
Individually evaluated for impairment	$	-	$	933	$	1,851	$	-	$	-	$	-	$	-	$	-	$	2,784
Collectively evaluated for impairment		8,494		10,333		892		783		3,183		9,117		-		-		32,802
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	8,494	$	11,266	$	2,743	$	783	$	3,183	$	9,117	$	-	$	-	$	35,586
Carrying value of loans:
Individually evaluated for impairment	$	1,989	$	1,473	$	3,183	$	-	$	-	$	-	$	4,527	$	5,946	$	17,118
Collectively evaluated for impairment	$	417,413	$	719,467	$	15,063		283,821		477,877		-		116,189		549,947	$	2,579,777
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		18,484		19,460		37,944
Total	$	419,402	$	720,940	$	18,246	$	283,821	$	477,877	$	-	$	139,200	$	575,353	$	2,634,839

	Recorded Investment in Loans Evaluated for Impairment
	At December 31, 2010 (refined)
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Unallocated		Purchased Non-covered Loans		Purchased Covered Loans		Total
	(In thousands)
Allowance for credit losses:
Individually evaluated for impairment	$	-	$	-	$	1,365	$	-	$	-	$	-	$	-	$	-	$	1,365
Collectively evaluated for impairment		9,878		9,607		2,194		617		6,982		7,686		-		-		36,964
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		-		-		-
Total	$	9,878	$	9,607	$	3,559	$	617	$	6,982	$	7,686	$	-	$	-	$	38,329
Carrying value of loans:
Individually evaluated for impairment	$	6,600	$	2,448	$	3,700	$	-	$	-	$	-	$	2,535	$	10,889	$	26,172
Collectively evaluated for impairment		467,583		754,692		22,445		310,196		461,877		-		163,311		648,527		2,828,631
Purchased loans with evidence of credit deterioration		-		-		-		-		-		-		33,725		33,556		67,281
Total	$	474,183	$	757,140	$	26,145	$	310,196	$	461,877	$	-	$	199,571	$	692,972	$	2,922,084

- 17 -

The Bank’s customers are small businesses, professionals and consumers. Given the scale of these borrowers, corporate credit rating agencies do not evaluate the borrowers’ financial condition. The Bank maintains a Loan Review Department which reports directly to the Board of Directors. The Loan Review Department performs independent evaluations of loans and assigns credit risk grades to evaluated loans using grading standards employed by bank regulatory agencies. Loans judged to carry lower-risk attributes are assigned a “pass” grade, with a minimal likelihood of loss. Loans judged to carry higher-risk attributes are referred to as “classified loans,” and are further disaggregated, with increasing expectations for loss recognition, as “substandard,” “doubtful,” and “loss.” If the Bank becomes aware of deterioration in a borrower’s performance or financial condition between Loan Review examinations, assigned risk grades will be re-evaluated promptly. Credit risk grades assigned by the Loan Review Department are subject to review by the Bank’s regulatory authority during regulatory examinations.

The following summarizes the credit risk profile by internally assigned grade:

	Credit Risk Profile by Internally Assigned Grade
	At September 30, 2011
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans			Total
	(In thousands)
Grade:
Pass	$	378,381	$	667,087	$	13,399	$	277,452	$	475,317	$	73,898		$	396,587		$	2,282,121
Special mention		18,264		24,934		341		2,474		450		16,516			36,818			99,797
Substandard		21,787		28,919		4,506		3,895		1,160		60,240			188,037			308,544
Doubtful		970		-		-		-		117		5,092			2,635			8,814
Loss		-		-		-		-		833		-			241			1,074
Default risk purchase discount		-		-		-		-		-		(16,546	)		(48,965	)		(65,511	)
Total	$	419,402	$	720,940	$	18,246	$	283,821	$	477,877	$	139,200		$	575,353		$	2,634,839

	Credit Risk Profile by Internally Assigned Grade
	At December 31, 2010
	Commercial		Commercial Real Estate		Construction		Residential Real Estate		Consumer Installment and Other		Purchased Non-covered Loans			Purchased Covered Loans			Total
	(In thousands)
Grade:
Pass	$	427,878	$	718,124	$	18,073	$	305,433	$	458,789	$	128,323		$	482,473		$	2,539,093
Special mention		17,731		19,216		-		1,749		568		25,223			62,455			126,942
Substandard		27,801		19,800		8,072		3,014		1,792		61,941			206,646			329,066
Doubtful		773		-		-		-		89		16,465			2,747			20,074
Loss		-		-		-		-		639		1			435			1,075
Default risk purchased discount		-		-		-		-		-		(32,382	)		(61,784	)		(94,166	)
Total	$	474,183	$	757,140	$	26,145	$	310,196	$	461,877	$	199,571		$	692,972		$	2,922,084

The following tables summarize loans by delinquency and nonaccrual status:

	Summary of Loans by Delinquency and Nonaccrual Status
	At September 30, 2011
	30-89 Days Past Due and Accruing		Past Due 90 days or More and Accruing		Total Past Due and Accruing		Current and Accruing		Nonaccrual		Total Loans
Commercial	$	4,077	$	-	$	4,077	$	409,805	$	5,520	$	419,402
Commercial real estate		13,253		-		13,253		702,604		5,083		720,940
Construction		-		-		-		14,224		4,022		18,246
Residential real estate		4,191		-		4,191		277,138		2,492		283,821
Consumer installment & other		4,632		794		5,426		472,270		181		477,877
Total originated loans		26,153		794		26,947		1,876,041		17,298		1,920,286
Purchased non-covered loans		4,375		-		4,375		109,284		25,541		139,200
Purchased covered loans		10,176		279		10,455		548,877		16,021		575,353
Total	$	40,704	$	1,073	$	41,777	$	2,534,202	$	58,860	$	2,634,839

- 18 -

	Summary of Loans by Delinquency and Nonaccrual Status
	At December 31, 2010
	30-89 Days Past Due and Accruing		Past Due 90 days or More and Accruing		Total Past Due and Accruing		Current and Accruing		Nonaccrual		Total Loans
Commercial	$	7,274	$	-	$	7,274	$	458,061	$	8,848	$	474,183
Commercial real estate		14,037		-		14,037		737,167		5,936		757,140
Construction		4,022		-		4,022		18,073		4,050		26,145
Residential real estate		2,552		-		2,552		305,709		1,935		310,196
Consumer installment & other		6,870		766		7,636		454,142		99		461,877
Total originated loans		34,755		766		35,521		1,973,152		20,868		2,029,541
Purchased non-covered loans		8,788		1		8,789		151,619		39,163		199,571
Purchased covered loans		27,848		355		28,203		617,624		47,145		692,972
Total	$	71,391	$	1,122	$	72,513	$	2,742,395	$	107,176	$	2,922,084

There were no commitments to lend additional funds to borrowers whose loans were on nonaccrual status at September 30, 2011 and December 31, 2010.

The following summarizes impaired loans:

	Impaired Loans
	At September 30, 2011
			Unpaid
	Recorded		Principal		Related
	Investment		Balance		Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	9,054	$	14,689	$	-
Commercial real estate		32,430		47,102		-
Construction		5,949		14,034		-
Consumer installments and other		2,973		3,640		-

Impaired loans with an allowance recorded:
Commercial real estate		1,473		1,473		933
Construction		3,183		3,183		1,851

Total:
Commercial	$	9,054	$	14,689	$	-
Commercial real estate		33,903		48,575		933
Construction		9,132		17,217		1,851
Consumer installments and other		2,973		3,640		-

	Impaired Loans
	For the Three Months Ended				For the Nine Months Ended
	September 30, 2011				September 30, 2011
	Average		Recognized		Average		Recognized
	Recorded		Interest		Recorded		Interest
	Investment		Income		Investment		Income
	(In thousands)
Commercial	$	10,950	$	39	$	16,664	$	548
Commercial real estate		33,978		520		39,098		1,249
Construction		17,065		122		21,839		295
Residential real estate		225		-		374		-
Consumer installments and other		2,474		7		2,444		24
Total	$	64,692	$	688	$	80,419	$	2,116

- 19 -

	Impaired Loans
	At December 31, 2010
			Unpaid
	Recorded		Principal
	Investment		Balance		Related
	(refined)		(refined)		Allowance
	(In thousands)
Impaired loans with no related allowance recorded:
Commercial	$	22,392	$	35,127	$	-
Commercial real estate		47,081		69,627		-
Construction		17,639		36,244		-
Residential real estate		449		451		-
Consumer installments and other		2,192		3,077		-

Impaired loans with an allowance recorded:
Construction		3,700		3,700		1,365

Total:
Commercial	$	22,392	$	35,127	$	-
Commercial real estate		47,081		69,627		-
Construction		21,339		39,944		1,365
Residential real estate		449		451		-
Consumer installments and other		2,192		3,077		-

During the nine months ended September 30, 2011, the Company restructured one troubled debt with a carrying value of $3,183 thousand pre-and post-modification; such loan was on nonaccrual status at September 30, 2011. The Company had no troubled debt restructuring during the nine months ended September 30, 2010.

The Company pledges loans to secure borrowings from the Federal Home Loan Bank (FHLB). At September 30, 2011, loans pledged to secure borrowing totaled $77,431 thousand compared with $137,954 thousand at December 31, 2010. The FHLB does not have the right to sell or repledge such loans.

There were no loans held for sale at September 30, 2011 and December 31, 2010.

Note 6: Concentration of Credit Risk

The Company’s business activity is with customers in Northern and Central California. The loan portfolio is well diversified within the Company’s geographic market, although the Company has significant credit arrangements that are secured by real estate collateral. In addition to real estate loans outstanding as disclosed in Note 5, the Company had loan commitments and standby letters of credit related to real estate loans of $4,266 thousand and $13,048 thousand at September 30, 2011 and December 31, 2010, respectively. The Company requires collateral on all real estate loans with loan-to-value ratios generally no greater than 75% on commercial real estate loans and no greater than 80% on residential real estate loans at origination.

Note 7: Goodwill and Identifiable Intangible Assets

The Company has recorded goodwill and other identifiable intangibles associated with purchase business combinations. Goodwill is not amortized, but is periodically evaluated for impairment. The Company did not recognize impairment during the nine months ended September 30, 2011.

The carrying values of goodwill were (in thousands):

December 31, 2010		$	121,673
September 30, 2011		$	121,673

Identifiable intangibles are amortized to their estimated residual values over their expected useful lives. Such lives and residual values are also periodically reassessed to determine if any amortization period adjustments are indicated. During the nine months ended September 30, 2011, no such adjustments were recorded.

- 20 -

The gross carrying amount of identifiable intangible assets and accumulated amortization was:

	At September 30,					At December 31,
	2011					2010
	(In thousands)
	Gross					Gross
	Carrying		Accumulated			Carrying		Accumulated
	Amount		Amortization			Amount		Amortization

Core deposit intangibles	$	56,808	$	(28,750	)	$	56,808	$	(24,719	)
Merchant draft processing intangible		10,300		(8,259	)		10,300		(7,785	)
Total identifiable intangible assets	$	67,108	$	(37,009	)	$	67,108	$	(32,504	)

As of September 30, 2011, the current year and estimated future amortization expense for identifiable intangible assets was:

	At September 30, 2011
			Merchant
	Core		Draft
	Deposit		Processing
	Intangibles		Intangible		Total
	(In thousands)
For the nine months ended September 30, 2011 (actual)	$	4,031	$	474	$	4,505
Estimate for the year ended December 31, 2011		5,351		624		5,975
2012		4,868		500		5,368
2013		4,304		400		4,704
2014		3,946		324		4,270
2015		3,594		262		3,856
2016		3,292		212		3,504

Note 8: Commitments and Contingent Liabilities

Loan commitments are agreements to lend to a customer provided there is no violation of any condition established in the agreement. Commitments generally have fixed expiration dates or other termination clauses. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future funding requirements. Loan commitments are subject to the Company’s normal credit policies and collateral requirements. Unfunded loan commitments were $389,006 thousand and $422,677 thousand at September 30, 2011 and December 31, 2010, respectively. Standby letters of credit commit the Company to make payments on behalf of customers when certain specified future events occur. Standby letters of credit are primarily issued to support customers’ short-term financing requirements and must meet the Company’s normal credit policies and collateral requirements. Standby letters of credit outstanding totaled $24,734 thousand and $25,458 thousand at September 30, 2011 and December 31, 2010, respectively. The Company also had commitments for commercial and similar letters of credit of $988 thousand and $3,351 thousand at September 30, 2011 and December 31, 2010, respectively.

Due to the nature of its business, the Company is subject to various threatened or filed legal cases resulting from loan collection efforts, transaction processing for deposit accounts including the order of posting transactions and the assessment of overdraft fees, and employment practices. Legal costs related to covered assets are eighty percent indemnified under loss-sharing agreements with the FDIC if certain conditions are met. Like many banks, the Bank is a defendant in a lawsuit alleging it improperly assessed overdraft fees on deposit accounts due to the order in which it processed payments against such deposit accounts. The Bank has reached a preliminary mediated settlement of this matter which is subject to court approval. The Company establishes a liability for contingent litigation losses for any legal matter when payments associated with the claims become probable and the costs can be reasonably estimated. In the second quarter 2011, the Bank accrued a liability for the preliminary mediated settlement.

Note 9: Fair Value Measurements

The Company uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. Available for sale investment securities are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such as certain loans held for investment and other assets. These nonrecurring fair value adjustments typically involve the lower-of-cost-or-fair value accounting or impairment or write-down of individual assets.

- 21 -

In accordance with the Fair Value Measurement and Disclosure topic of the Codification, the Company bases its fair values on the price that would be received to sell an asset or paid to transfer a liability in the principal market or most advantageous market for an asset or liability in an orderly transaction between market participants on the measurement date. A fair value measurement reflects all of the assumptions that market participants would use in pricing the asset or liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, and the risk of nonperformance.

The Company groups its assets and liabilities measured at fair value into a three-level hierarchy, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are:

Level 1 – Valuation is based upon quoted prices for identical instruments traded in active exchange markets, such as the New York Stock Exchange. Level 1 includes U.S. Treasury and federal agency securities, which are traded by dealers or brokers in active markets. Valuations are obtained from readily available pricing sources for market transactions involving identical assets or liabilities.

Level 2 – Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. Level 2 includes mortgage-backed securities, municipal bonds and residential collateralized mortgage obligations as well as other real estate owned and impaired loans collateralized by real property where the fair value is generally based upon independent market prices or appraised values of the collateral.

Level 3 – Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques. Level 3 includes those impaired loans collateralized by business assets where the expected cash flow has been used in determining the fair value.

Assets Recorded at Fair Value on a Recurring Basis

The table below presents assets measured at fair value on a recurring basis.

	At September 30, 2011
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
U.S. Treasury securities	$	3,600	$	3,600	$	-	$	-
Securities of U.S. government sponsored entities		128,498		128,498		-		-
Municipal bonds:
Federally tax-exempt - California		84,811		-		84,811		-
Federally tax-exempt - 28 other states		174,032		-		174,032		-
Taxable - California		1,586		-		1,586		-
Taxable - 1 other state		5,382		-		5,382		-
Residential mortgage-backed securities ("MBS"):
Guaranteed by GNMA		39,011		-		39,011		-
Issued by FNMA and FHLMC		60,295		-		60,295		-
Residential collateralized mortgage obligations:
Issued or guaranteed by FNMA, FHLMC, or GNMA		48,657		-		48,657		-
All other		5,646		-		5,646		-
Commercial mortgage-backed securities		4,624		-		4,624		-
Asset-backed securities - government guaranteed student loans		7,651		-		7,651		-
FHLMC and FNMA stock		2,787		2,787		-		-
Corporate securities		112,777		-		112,777		-
Other securities		4,283		2,324		1,959		-
Total securities available for sale	$	683,640	$	137,209	$	546,431	$	-

- 22 -

There were no significant transfers in or out of Levels 1 and 2 for the nine months ended September 30, 2011.

	At December 31, 2010
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
U.S. Treasury securities	$	3,542	$	3,542	$	-	$	-
Securities of U.S. government sponsored entities		172,877		172,877		-		-
Municipal bonds:
Federally tax-exempt - California		83,616		-		83,616		-
Federally tax-exempt - 29 other states		170,741		-		170,741		-
Taxable - California		6,276		-		6,276		-
Taxable - 1 other state		500		-		500		-
Residential mortgage-backed securities ("MBS"):
Guaranteed by GNMA		43,557		-		43,557		-
Issued by FNMA and FHLMC		66,272		-		66,272		-
Residential collateralized mortgage obligations:
Issued or guaranteed by FNMA, FHLMC, or GNMA		18,010		-		18,010		-
All other		7,593		-		7,593		-
Commercial mortgage-backed securities		5,065		-		5,065		-
Asset-backed securities - government guaranteed student loans		8,286		-		8,286		-
FHLMC and FNMA stock		655		655		-		-
Corporate securities		79,191		-		79,191		-
Other securities		5,303		3,342		1,961		-
Total securities available for sale	$	671,484	$	180,416	$	491,068	$	-

Assets Recorded at Fair Value on a Nonrecurring Basis

The Company may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from application of lower-of-cost-or-market accounting or write-downs of individual assets. For assets measured at fair value on a nonrecurring basis that were still held in the balance sheet at September 30, 2011 and December 31, 2010, the following table provides the level of valuation assumptions used to determine each adjustment and the carrying value of the related assets at period end.

	At September 30, 2011
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Non-covered other real estate owned (1)	$	5,513	$	-	$	5,513	$	-	$	(600	)
Covered other real estate owned (2)		8,651		-		8,651		-		(445	)
Originated impaired loans (3)		1,872		-		1,872		-		-
Total assets measured at fair value on a nonrecurring basis	$	16,036	$	-	$	16,036	$	-	$	(1,045	)

	At December 31, 2010
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Non-covered other real estate owned (1)	$	1,863	$	-	$	1,863	$	-	$	(664	)
Originated impaired loans (3)		4,780		-		4,780		-		(829	)
Total assets measured at fair value on a nonrecurring basis	$	6,643	$	-	$	6,643	$	-	$	(1,493	)

(1) Represents the fair value of foreclosed real estate owned that was measured at fair value subsequent to their initial classification as foreclosed assets.

(2) Represents the fair value of foreclosed real estate owned that is covered by the Indemnification Agreement with the FDIC where the real estate was written down subsequent to its initial classification as foreclosed assets. Total losses are reduced by the 80% indemnified loss percentage.

- 23 -

(3) Represents carrying value of loans for which adjustments are predominantly based on the appraised value of the collateral and loans considered impaired under FASB ASC 310-10-35, Subsequent Measurement of Receivables, where a specific reserve has been established or a chargeoff has been recorded.

Disclosures about Fair Value of Financial Instruments

The following section describes the valuation methodologies used by the Company for estimating fair value of financial instruments not recorded at fair value.

Cash and Due from Banks The carrying amount of cash and amounts due from banks approximate fair value due to the relatively short period of time between their origination and their expected realization.

Money Market Assets The carrying amount of money market assets approximate fair value due to the relatively short period of time between their origination and their expected realization.

Investment Securities Held to Maturity The fair values of investment securities were estimated using quoted prices as described above for Level 1 and Level 2 valuation.

Loans Loans were separated into two groups for valuation. Variable rate loans, except for those described below, which reprice frequently with changes in market rates were valued using historical cost. Fixed rate loans and variable rate loans that have reached their minimum contractual interest rates were valued by discounting the future cash flows expected to be received from the loans using current interest rates charged on loans with similar characteristics. Additionally, the allowance for loan losses of $32,893 thousand at September 30, 2011 and $35,636 thousand at December 31, 2010 and the fair value discount due to credit default risk associated with purchased covered and purchased non-covered loans of $48,965 thousand and $16,546 thousand, respectively at September 30, 2011 and $61,784 thousand and $32,382 thousand, respectively at December 31, 2010 were applied against the estimated fair values to recognize estimated future defaults of contractual cash flows. The Company does not consider these values to be a liquidation price for the loans.

FDIC Receivable The fair value of the FDIC receivable recorded in Other Assets was estimated by discounting estimated future cash flows using current market rates for financial instruments with similar characteristics.

Deposit Liabilities The carrying amount of checking accounts, savings accounts and money market accounts approximates fair value due to the relatively short period of time between their origination and their expected realization. The fair values of time deposits were estimated by discounting estimated future cash flows related to these financial instruments using current market rates for financial instruments with similar characteristics.

Short-Term Borrowed Funds The carrying amount of securities sold under agreement to repurchase and other short-term borrowed funds approximate fair value due to the relatively short period of time between their origination and their expected realization. The fair values of term repurchase agreements were estimated by using interpolated yields for financial instruments with similar characteristics.

Federal Home Loan Bank Advances The fair values of FHLB advances were estimated by using interpolated yields for financial instruments with similar characteristics.

Debt Financing and Notes Payable The fair values of debt financing and notes payable were estimated by using interpolated yields for financial instruments with similar characteristics.

Restricted Performance Share Grants The fair value of liabilities for unvested restricted performance share grants recorded in Other Liabilities were estimated using quoted prices as described above for Level 1 valuation.

The table below is a summary of fair value estimates for financial instruments, excluding financial instruments recorded at fair value on a recurring basis. The values assigned do not necessarily represent amounts which ultimately may be realized. In addition, these values do not give effect to discounts to fair value which may occur when financial instruments are sold in larger quantities. The carrying amounts in the following table are recorded in the balance sheet under the indicated captions.

The Company has not included assets and liabilities that are not financial instruments, such as goodwill, long-term relationships with deposit, merchant processing and trust customers, other purchased intangibles, premises and equipment, deferred taxes and other assets and liabilities. The total estimated fair values do not represent, and should not be construed to represent, the underlying value of the Company.

- 24 -

	At September 30, 2011				At December 31, 2010
	Carrying		Estimated		Carrying		Estimated
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	459,754	$	459,754	$	338,793	$	338,793
Money market assets		-		-		392		392
Investment securities held to maturity		755,906		778,330		580,728		594,711
Loans		2,601,946		2,640,281		2,886,448		2,923,612
Other assets - FDIC receivable		38,812		38,733		44,738		44,353

Financial Liabilities
Deposits		4,192,383		4,192,443		4,132,961		4,135,113
Short-term borrowed funds		120,917		120,917		107,385		107,385
Federal Home Loan Bank advances		26,078		26,782		61,698		61,833
Debt financing and notes payable		15,000		15,337		26,363		26,811
Other liabilities - restricted performance share grants		1,546		1,546		2,259		2,259

The majority of the Company’s standby letters of credit and other commitments to extend credit carry current market interest rates if converted to loans. No premium or discount was ascribed to these commitments because virtually all funding would be at current market rates.

Note 10: Borrowed Funds

Debt financing and notes payable were as follows:

	At September 30,		At December 31,
	2011		2010
	(In thousands)
Senior fixed-rate note (1)	$	15,000	$	15,000
Subordinated fixed-rate note (2)		-		11,363
Total debt financing and notes payable - Parent	$	15,000	$	26,363

(1)	Senior note, issued by Westamerica Bancorporation, originated in October 2003 and maturing October 31, 2013. Interest of 5.31% per annum is payable semiannually on April 30 and October 31, with original principal payment due at maturity.

(2)	Subordinated debt, assumed by Westamerica Bancorporation March 1, 2005, originated February 22, 2001. Par amount $10,000 thousand, interest of 10.2% per annum, payable semiannually. Redeemed August 22, 2011 at a premium of approximately 5 percent of the $10,000 thousand principal amount.

- 25 -

Note 11: Earnings Per Common Share

The table below shows earnings per common share and diluted earnings per common share. Basic earnings per common share are computed by dividing net income applicable to common equity by the average number of common shares outstanding during the period. Diluted earnings per common share are computed by dividing net income applicable to common equity by the average number of common shares outstanding during the period plus the impact of common stock equivalents.

	For the Three Months ended				For the Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
	(In thousands, except per share data)				(In thousands, except per share data)
Net income applicable to common equity (numerator)	$	22,432	$	23,709	$	66,083	$	70,846
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		28,433		29,127		28,739		29,187
Basic earnings per common share	$	0.79	$	0.81	$	2.30	$	2.43
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		28,433		29,127		28,739		29,187
Add exercise of options reduced by the number of shares that could have been purchased with the proceeds of such exercise		65		258		140		328
Weighted average number of common shares outstanding - diluted (denominator)		28,498		29,385		28,879		29,515
Diluted earnings per common share	$	0.79	$	0.81	$	2.29	$	2.40

For the three and nine months ended September 30, 2011, options to purchase 1,940 thousand and 1,452 thousand shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per share because the option exercise price exceeded the fair value of the stock such that their inclusion would have had an anti-dilutive effect. For the three months and nine months ended September 30, 2010, options to purchase 273 thousand and 285 thousand shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per share because their inclusion would have had an anti-dilutive effect.

- 26 -

WESTAMERICA BANCORPORATION

FINANCIAL SUMMARY

	For the Three Months Ended						For the Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
	(In thousands, except per share data)
Net Interest Income (FTE)*	$	54,675		$	56,669		$	165,506		$	170,271
Provision for Loan Losses		(2,800	)		(2,800	)		(8,400	)		(8,400	)
Noninterest Income		15,205			15,071			45,239			46,311
Noninterest Expense
Settlements		-			-			2,100			23
Other noninterest expense		31,383			31,508			94,914			95,612
Total Noninterest Expense		31,383			31,508			97,014			95,635
Income Before Income Taxes (FTE)*		35,697			37,432			105,331			112,547
Income Tax Provision (FTE)*		13,265			13,723			39,248			41,701
Net Income	$	22,432		$	23,709		$	66,083		$	70,846

Average Common Shares Outstanding		28,433			29,127			28,739			29,187
Diluted Average Common Shares Outstanding		28,498			29,385			28,879			29,515
Common Shares Outstanding at Period End		28,301			29,118			28,301			29,118

Per Common Share:
Basic earnings	$	0.79		$	0.81		$	2.30		$	2.43
Diluted earnings		0.79			0.81			2.29			2.40
Book value	$	19.57		$	18.59

Financial Ratios:
Return on assets		1.81	%		1.95	%		1.79	%		1.98	%
Return on common equity		16.44	%		17.90	%		16.24	%		18.32	%
Net interest margin (FTE)*		5.32	%		5.54	%		5.35	%		5.59	%
Net loan losses to average originated loans		0.60	%		0.83	%		0.75	%		0.71	%
Efficiency ratio**		44.9	%		43.9	%		46.0	%		44.2	%

Average Balances:
Assets	$	4,920,482		$	4,835,357		$	4,929,701		$	4,793,266
Earning assets		4,093,020			4,068,561			4,133,898			4,071,089
Originated loans		1,943,379			2,096,937			1,974,316			2,132,687
Purchased covered loans		596,072			743,126			638,189			787,142
Purchased non-covered loans		151,634			97,438			174,333			32,836
Deposits		4,155,812			3,981,437			4,146,183			3,944,231
Shareholders' equity		541,369			525,630			544,056			517,121

Period End Balances:
Assets	$	4,966,499		$	4,977,871
Earning assets		4,074,457			4,197,592
Originated loans		1,920,286			2,077,915
Purchased covered loans		575,353			718,618
Purchased non-covered loans		139,200			212,318
Deposits		4,192,383			4,072,698
Shareholders' equity		553,988			541,173

Capital Ratios at Period End:
Total risk based capital		15.65	%		14.88	%
Tangible equity to tangible assets		8.35	%		7.95	%

Dividends Paid Per Common Share	$	0.36		$	0.36		$	1.08		$	1.08
Common Dividend Payout Ratio		46	%		44	%		47	%		45	%

The above financial summary has been derived from the Company's unaudited consolidated financial statements. This information should be read in conjunction with those statements, notes and the other information included elsewhere herein. Percentages under the heading "As Reported" are annualized with the exception of the efficiency ratio.

* Yields on securities and certain loans have been adjusted upward to a "fully taxable equivalent" ("FTE") basis, which is a non-GAAP financial measure, in order to reflect the effect of income which is exempt from federal income taxation at the current statutory tax rate.

** The efficiency ratio is defined as noninterest expense divided by total revenue (net interest income on an FTE basis, which is a non-GAAP financial measure, and noninterest income).

- 27 -

Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

Westamerica Bancorporation and subsidiaries (the “Company”) reported net income of $22.4 million or $0.79 diluted earnings per common share for the third quarter 2011 and net income of $66.1 million or $2.29 diluted earnings per common share for the nine months ended September 30, 2011. The nine months ended September 2011 included $2.1 million in litigation settlement accruals which decreased net income by $1.2 million and expenses related to the integration of the former Sonoma Valley Bank (“Sonoma”) of $393 thousand after tax, equivalent to $0.04 diluted earnings per common share.

These results compare to net income of $23.7 million or $0.81 diluted earnings per common share for the third quarter of 2010 and net income of $70.8 million or $2.40 diluted earnings per common share for the first nine months of 2010. The third quarter of 2010 included a $178 thousand gain on the acquisition of Sonoma Valley Bank.

Acquisition

Westamerica Bank (“Bank”) acquired assets and assumed liabilities of the former Sonoma on August 20, 2010. The acquired assets and assumed liabilities were measured at estimated fair values, as required by FASB ASC 805, Business Combinations. Management made significant estimates and exercised significant judgment in accounting for the acquisition. Management judgmentally measured loan fair values based on loan file reviews (including borrower financial statements and tax returns), appraised collateral values, expected cash flows, and historical loss factors. Repossessed loan collateral was primarily valued based upon appraised collateral values. The Bank also recorded an identifiable intangible asset representing the value of the assumed core deposit customer base of Sonoma based on Management’s evaluation of the cost of such deposits relative to alternative funding sources. In determining the value of the identifiable intangible asset, Management used significant estimates including average lives of depository accounts, future interest rate levels, the cost of servicing various depository products, and other significant estimates. Management used quoted market prices to determine the fair value of investment securities, Federal Home Loan Bank (“FHLB”) advances and other borrowings which were purchased and assumed. The acquired Sonoma operations were fully integrated into the Company’s traditional operating systems and practices in February 2011.

Net Income

Following is a summary of the components of net income for the periods indicated:

	Fro the Three Months Ended						For the Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
	(In thousands, except per share data)
Net interest income (FTE)	$	54,675		$	56,669		$	165,506		$	170,271
Provision for loan losses		(2,800	)		(2,800	)		(8,400	)		(8,400	)
Noninterest income		15,205			15,071			45,239			46,311
Noninterest expense		(31,383	)		(31,508	)		(97,014	)		(95,635	)
Income before taxes (FTE)		35,697			37,432			105,331			112,547
Income tax provision (FTE)		(13,265	)		(13,723	)		(39,248	)		(41,701	)
Net income	$	22,432		$	23,709		$	66,083		$	70,846

Average diluted common shares		28,498			29,385			28,879			29,515
Diluted earnings per common share	$	0.79		$	0.81		$	2.29		$	2.40

Average total assets	$	4,920,482		$	4,835,357		$	4,929,701		$	4,793,266
Net income applicable to common equity to average total assets (annualized)		1.81	%		1.95	%		1.79	%		1.98	%
Net income applicable to common equity to average common stockholders' equity (annualized)		16.44	%		17.90	%		16.24	%		18.32	%

Net income for the third quarter of 2011 was $1.3 million or 5.4% less than the same quarter of 2010, the net result of declines in net interest income (FTE), partially offset by higher noninterest income, lower noninterest expense and lower income tax provision (FTE). A $2.0 million or 3.5% decrease in net interest income (FTE) was mostly attributed to lower yields on earning assets and lower average balances of loans, partially offset by higher average balances of investments, lower rates paid on interest-bearing liabilities and lower average balances of borrowings. The provision for loan losses remained the same, reflecting Management's evaluation of losses inherent in the loan portfolio not covered by loss-sharing agreements with the Federal Deposit Insurance Corporation (“FDIC”) and purchased loan credit-default discounts.

- 28 -

Comparing the first nine months of 2011 to the same period of 2010, net income decreased $4.8 million or 6.7%, primarily due to lower net interest income (FTE), lower noninterest income and the $2.1 million settlement accrual, partially offset by a decrease in income tax provision (FTE). The lower net interest income (FTE) was primarily caused by lower yields on interest earning assets and a lower average volume of loans, partially offset by higher average balances of investments and lower rates paid on interest-bearing liabilities. The provision for loan losses remained the same, reflecting Management's evaluation of losses inherent in the loan portfolio not covered by loss-sharing agreements with the FDIC and purchased loan credit-default discounts. Noninterest income decreased $1.1 million largely due to lower service charges on deposit accounts. Noninterest expense increased $1.4 million mostly due to the $2.1 million settlement accrual.

Net Interest Income

Following is a summary of the components of net interest income for the periods indicated:

	For the Three Months Ended						For the Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
	(In thousands)
Interest and fee income	$	51,976		$	55,203		$	157,559		$	166,284
Interest expense		(2,071	)		(3,096	)		(6,527	)		(9,775	)
FTE adjustment		4,770			4,562			14,474			13,762
Net interest income (FTE)	$	54,675		$	56,669		$	165,506		$	170,271

Average earning assets	$	4,093,020		$	4,068,561		$	4,133,898		$	4,071,089
Net interest margin (FTE) (annualized)		5.32	%		5.54	%		5.35	%		5.59	%

Net interest income (FTE) decreased during the third quarter of 2011 by $2.0 million or 3.5% from the same period in 2010 to $54.7 million, mainly due to lower yields on earning assets (down 0.32%) and lower average balances of loans (down $246 million), partially offset by higher average balances of investments (up $271 million), lower rates paid on interest-bearing liabilities (down 0.14%) and lower average balances of borrowings (down $105 million).

Comparing the first nine months of 2011 with the corresponding period of 2010, net interest income (FTE) decreased $4.8 million or 2.8%, primarily due to lower yields on interest earning assets (down 0.35%) and a lower average volume of loans (down $166 million), partially offset by higher average balances of investments (up $229 million) and lower rates paid on interest-bearing liabilities (down 0.15%).

Yields on interest-earning assets have declined due to relatively low interest rates prevailing in the market. Economic conditions, competitive pricing and deleveraging by businesses and individuals have reduced loan volumes, placing greater reliance on lower-yielding investment securities. Rates on interest-bearing deposits and borrowings have declined to offset some of the decline in asset yields.

At September 30, 2011, purchased FDIC covered loans represented 22 percent of the Company’s loan portfolio. Under the terms of the FDIC loss-sharing agreements, the FDIC is obligated to reimburse the Bank 80 percent of loan interest income foregone on covered loans. Such reimbursements are limited to the lesser of 90 days contractual interest or actual unpaid contractual interest at the time a principal loss is recognized in respect to the underlying loan. The term of the loss-sharing agreement on residential real estate assets is ten years, while the term for loss-sharing on non-residential real estate assets is five years with respect to losses and eight years with respect to loss recoveries.

Interest and Fee Income

Interest and fee income (FTE) for the third quarter of 2011 decreased $3.0 million or 5.1% from the same period in 2010. The decrease was caused by lower average balances of loans and lower yields on earning assets, partially offset by higher average balances of investments. The total average balances of loans declined due to decreases in the average balances of taxable commercial loans (down $122 million), commercial real estate loans (down $49 million) and residential real estate loans (down $46 million), construction loans (down $21 million) and tax-exempt commercial loans (down $19 million), partially offset by a $10 million increase in the average balances of consumer loans. The average investment portfolio increased largely due to higher average balances of municipal securities (up $96 million), U.S. Government sponsored entities (up $74 million), corporate securities (up $59 million) and collateralized mortgage obligations (up $72 million), partially offset by a $38 million decline in the average balance of residential mortgage backed securities. The average yield on the Company's earning assets decreased from 5.84% in the third quarter of 2010 to 5.52% in the corresponding period of 2011. The composite yield on loans declined 0.13% to 6.00% in the third quarter 2011 compared to the corresponding period of 2010. Nonperforming loans are included in average loan volumes used to compute loan yields; fluctuations in nonaccrual loan volumes impact loan yields. The loan portfolio yield declined due to lower yields on consumer loans (down 0.65%), tax-exempt commercial loans (down 0.40%), residential real estate loans (down 0.32%) and commercial real estate loans (down 0.11%), partially offset by increases in yields on construction (up 2.94%) and taxable commercial loans (up 0.29%). The investment portfolio yield decreased 0.51% to 4.58%. Decreases in yields on collateralized mortgage obligations (down 1.44%), residential mortgage backed securities (down 0.15%), municipal securities (down 0.19%) were partially offset by increases in yields on corporate securities (up 0.70%) and U.S. government sponsored entities (up 0.20%). The decline in loan and investment yields is primarily due to relatively low market rates and competitive loan pricing.

- 29 -

Comparing the first nine months of 2011 with the first nine months of 2010, interest and fee income (FTE) was down $8.0 million or 4.5%. The decrease resulted from a lower average volume of loans and lower yields on interest earning assets, partially offset by higher average balances of investments. A lower average balance of the loan portfolio was mostly attributable to decreases in average balances of taxable commercial loans (down $94 million), residential real estate loans (down $45 million), tax-exempt commercial loans (down $20 million) and commercial real estate loans (down $13 million), partially offset by a $7 million increase in the average balance of consumer loans. The average investment portfolio increased mostly due to higher average balances of U.S. government sponsored entity obligations (up $112 million), municipal securities (up $90 million) and corporate securities (up $69 million), partially offset by a $47 million decrease in the average balance of residential mortgage backed securities. The average yield on earning assets for the first nine months of 2011 was 5.56% compared with 5.91% in the first nine months of 2010. The loan portfolio yield for the first nine months of 2011 decreased 0.16% compared with the first nine months of 2010 primarily due to lower yields on consumer loans (down 0.52%), residential real estate loans (down 0.45%), tax-exempt commercial loans (down 0.15%) and commercial real estate loans (down 0.12%), partially offset by increases in yields on taxable commercial loans (up 0.22%) and construction loans (up 0.16%). The investment portfolio yield declined from 5.24% in the first nine months of 2010 to 4.65% in the first nine months of 2011 mainly due to decreases in yields on collateralized mortgage obligations (down 0.90%), residential mortgage backed securities (down 0.25%) and municipal securities (down 0.18%), partially offset by corporate securities (up 0.84%).

Interest Expense

Interest expense in the third quarter of 2011 decreased $1.0 million or 33.1% compared with the same period in 2010. The decrease was attributable to lower rates paid on interest-bearing liabilities (down 0.14%) and a shift from higher costing term repurchase agreements and time deposits less than $100 thousand to low-cost checking and savings accounts. Such deposits represented 80% of total deposits in the third quarter 2011 compared with 78% in the third quarter 2010. Lower average balances of short-term borrowed funds (down $98 million), time deposits less than $100 thousand (down $38 million), time deposits more than $100 thousand (down $19 million) and debt financing and notes payable (down $5 million) were partially offset by higher average balances of preferred money market savings (up $55 million), money market savings (up $45 million), money market checking accounts (up $29 million) and regular savings (up $25 million). Lower average balances of short-term borrowed funds were attributable to repayment of term repurchase agreements of $100 million in December of 2010. A lower average volume of debt financing and notes payable was due to repayment of a $10 million subordinated debt in August of 2011. The average rate paid on interest-bearing liabilities decreased from 0.43% in the third quarter of 2010 to 0.29% in the same quarter of 2011. Rates on interest-bearing deposits decreased 0.07% to 0.25% primarily due to decreases in rates paid on time deposits $100 thousand or more (down 0.19%), preferred money market savings (down 0.26%) and money market savings (down 0.17%), partially offset by higher rates paid on time deposits less than $100 thousand (up 0.32%). Rates on short-term borrowed funds decreased 0.69%. Rates on debt financing payable declined 2.63% due to the adjustment of the premium amortization on a $10 million subordinated note, which the Company redeemed in August 2011.

Comparing the first nine months of 2011 with the first nine months of 2010, interest expense declined $3.2 million or 33.2%, due to lower rates paid on interest-bearing liabilities and a shift from higher costing term repurchase agreements and time deposits less than $100 thousand to low-cost checking and savings accounts. Higher average balances of Federal Home Loan Bank advances (up $23 million), money market savings (up $53 million), preferred money market savings (up $50 million), money market checking accounts (up $40 million) and regular savings (up $29 million) were partially offset by lower average balances of short-term borrowed funds (down $103 million) and time deposits less than $100 thousand (down $42 million). Lower average balances of short-term borrowed funds were attributable to repayment of term repurchase agreements of $100 million in December of 2010. Rates paid on interest-bearing liabilities averaged 0.31% during the first nine months of 2011 compared with 0.46% for the first nine months of 2010 mainly due to lower rates on time deposits over $100 thousand (down 0.18%), money market savings (down 0.17%), preferred money market savings (down 0.30%), short-term borrowed funds (down 0.74%), Federal Home Loan Bank advances (down 0.25%) and debt financing and notes payable (down 3.13%), partially offset by a 0.14% increase in rates on time deposits less than $100 thousand. Rates on debt financing payable declined due to the adjusted premium amortization described in the preceding paragraph.

- 30 -

Net Interest Margin (FTE)

The following summarizes the components of the Company's net interest margin for the periods indicated:

	For the Three Months Ended						For the Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010

Yield on earning assets (FTE)		5.52	%		5.84	%		5.56	%		5.91	%
Rate paid on interest-bearing liabilities		0.29	%		0.43	%		0.31	%		0.46	%
Net interest spread (FTE)		5.23	%		5.41	%		5.25	%		5.45	%
Impact of all other net noninterest bearing funds		0.09	%		0.13	%		0.10	%		0.14	%
Net interest margin (FTE)		5.32	%		5.54	%		5.35	%		5.59	%

During the third quarter of 2011, the net interest margin (FTE) decreased 0.22% compared with the same period in 2010. Yields on interest-earning assets have declined due to relatively low interest rates prevailing in the market. Economic conditions and deleveraging by businesses and individuals have reduced loan volumes, placing greater reliance on lower-yielding investment securities. Rates on interest-bearing deposits and borrowings have declined to offset some of the decline in asset yields. Lower yields on earning assets were partially offset by lower rates paid on interest-bearing liabilities and resulted in a 0.18% decrease in net interest spread (FTE). The net interest margin contribution of noninterest-bearing demand deposits increased the net interest margin (FTE) to 5.32%. The net interest margin (FTE) in the first nine months of 2011 was 5.35% compared with 5.59% in the first nine months of 2010, the net result of a 0.35% decrease in earning asset yields, partially offset by lower cost of interest-bearing liabilities (down 0.15%). The margin contribution from noninterest bearing demand deposits declined from 0.14% in the first nine months of 2010 to 0.10% in the first nine months of 2011.

Summary of Average Balances, Yields/Rates and Interest Differential

The following tables present, for the periods indicated, information regarding the Company's consolidated average assets, liabilities and shareholders' equity, the amount of interest income from average earning assets and the resulting annualized yields, and the amount of interest expense paid on average interest-bearing liabilities and the resulting annualized rate paid. Average loan balances include nonperforming loans. Interest income includes proceeds from loans on nonaccrual status only to the extent cash payments have been received and applied as interest income. The amount of gross interest income that would have been recorded if all nonaccrual loans had been current in accordance with their original terms while outstanding was $1.1 million and $4.4 million in the third quarter and first nine months of 2011, respectively, compared with $1.6 million and $4.7 million for the third quarter and first nine months of 2010, respectively. The amount of interest income that was recognized on nonaccrual loans from all cash payments made during the three and nine months ended September 30, 2011, totaled $1.0 million and $3.9 million, respectively, compared with $1.7 million and $5.2 million for the third quarter and first nine months of 2010, respectively. There were no cash payments received that were applied against the book balance of nonaccrual purchased covered loans outstanding at September 30, 2011 in the third quarter and first nine months of 2011. Cash payments of $60 thousand received in the first nine months of 2010, which were applied against the book balance of nonaccrual loans outstanding at September 30, 2010, were received in the third quarter 2010. Yields on securities and certain loans have been adjusted upward to reflect the effect of income that is exempt from federal income taxation at the current statutory tax rate (FTE).

- 31 -

	For the Three Months Ended
	September 30, 2011
					Yields
			Interest		Earned/
	Average		Income/		Rates
	Balance		Expense		Paid
	(In thousands)
Assets:
Money market assets and funds sold	$	281	$	-		-	%
Investment securities:
Available for sale
Taxable		453,330		2,989		2.64	%
Tax-exempt (1)		252,356		3,895		6.17	%
Held to maturity
Taxable		209,826		1,635		3.12	%
Tax-exempt (1)		486,142		7,538		6.20	%
Loans:
Commercial:
Taxable		415,219		6,901		6.59	%
Tax-exempt (1)		145,672		2,270		6.18	%
Commercial real estate		1,185,692		19,557		6.54	%
Real estate construction		49,972		1,072		8.51	%
Real estate residential		309,203		3,013		3.90	%
Consumer		585,327		7,876		5.34	%
Total loans (1)		2,691,085		40,689		6.00	%
Total Interest earning assets (1)		4,093,020	$	56,746		5.52	%
Other assets		827,462
Total assets	$	4,920,482

Liabilities and shareholders' equity
Deposits:
Noninterest bearing demand	$	1,494,773	$	-		-	%
Savings and interest-bearing transaction		1,826,688		597		0.13	%
Time less than $100,000		303,768		556		0.73	%
Time $100,000 or more		530,583		524		0.39	%
Total interest-bearing deposits		2,661,039		1,677		0.25	%
Short-term borrowed funds		105,382		76		0.29	%
Federal Home Loan Bank advances		35,309		118		1.34	%
Debt financing and notes payable		21,075		200		3.80	%
Total interest-bearing liabilities		2,822,805	$	2,071		0.29	%
Other liabilities		61,535
Shareholders' equity		541,369
Total liabilities and shareholders' equity	$	4,920,482
Net interest spread (1) (2)						5.23	%
Net interest income and interest margin (1) (3)			$	54,675		5.32	%

(1) Interest and rates calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

(2) Net interest spread represents the average yield earned on earning assets minus the average rate paid on interest-bearing liabilities.

(3) Net interest margin is computed by calculating the difference between interest income and expense (annualized), divided by the average balance of earning assets.

- 32 -

	For the Three Months Ended
	September 30, 2010
			Interest		Rates
	Average		Income/		Earned/
	Balance		Expense		Paid
	(In thousands)
Assets:
Money market assets and funds sold	$	5,130	$	1		0.08	%
Investment securities:
Available for sale
Taxable		302,176		2,158		2.86	%
Tax-exempt (1)		187,405		3,059		6.53	%
Held to maturity
Taxable		166,634		1,798		4.32	%
Tax-exempt (1)		469,715		7,367		6.27	%
Loans:
Commercial:
Taxable		537,116		8,534		6.30	%
Tax-exempt (1)		164,838		2,733		6.58	%
Commercial real estate		1,234,475		20,696		6.65	%
Real estate construction		71,043		998		5.57	%
Real estate residential		355,103		3,744		4.22	%
Consumer		574,926		8,677		5.99	%
Total loans (1)		2,937,501		45,382		6.13	%
Total earning assets (1)		4,068,561	$	59,765		5.84	%
Other assets		766,796

Total assets	$	4,835,357

Liabilities and shareholders' equity
Deposits:
Noninterest bearing demand	$	1,417,638	$	-		-
Savings and interest-bearing transaction		1,672,458		892		0.21	%
Time less than $100,000		341,882		357		0.41	%
Time $100,000 or more		549,459		798		0.58	%
Total interest-bearing deposits		2,563,799		2,047		0.32	%
Short-term borrowed funds		203,841		511		0.98	%
Federal Home Loan Bank advances		36,298		113		1.22	%
Debt financing and notes payable		26,417		425		6.43	%
Total interest-bearing liabilities		2,830,355	$	3,096		0.43	%
Other liabilities		61,734
Shareholders' equity		525,630

Total liabilities and shareholders' equity	$	4,835,357

Net interest spread (1) (2)						5.41	%

Net interest income and interest margin (1) (3)			$	56,669		5.54	%

(1) Interest and rates calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

(2) Net interest spread represents the average yield earned on earning assets minus the average rate paid on interest-bearing liabilities.

(3) Net interest margin is computed by calculating the difference between interest income and expense (annualized), divided by the average balance of earning assets.

- 33 -

	For the Nine Months Ended
	September 30, 2011
					Yields
			Interest		Earned/
	Average		Income/		Rates
	Balance		Expense		Paid
	(In thousands)
Assets:
Money market assets and funds sold	$	386	$	-		-	%
Investment securities:
Available for sale
Taxable		452,444		8,368		2.47	%
Tax-exempt (1)		264,379		12,348		6.23	%
Held to maturity
Taxable		157,623		4,236		3.58	%
Tax-exempt (1)		472,228		22,038		6.22	%
Loans:
Commercial:
Taxable		452,372		21,985		6.50	%
Tax-exempt (1)		149,634		7,207		6.44	%
Commercial real estate		1,219,657		59,502		6.52	%
Real estate construction		64,044		2,789		5.82	%
Real estate residential		318,546		9,540		3.99	%
Consumer		582,585		24,020		5.51	%
Total loans (1)		2,786,838		125,043		6.00	%
Total earning assets (1)		4,133,898	$	172,033		5.56	%
Other assets		795,803
Total assets	$	4,929,701

Liabilities and shareholders' equity
Deposits:
Noninterest bearing demand	$	1,474,983	$	-		-	%
Savings and interest-bearing transaction		1,811,962		1,915		0.14	%
Time less than $100,000		318,613		1,598		0.67	%
Time $100,000 or more		540,625		1,831		0.45	%
Total interest-bearing deposits		2,671,200		5,344		0.27	%
Short-term borrowed funds		106,449		184		0.23	%
Federal Home Loan Bank advances		47,027		398		1.13	%
Debt financing and notes payable		24,447		601		3.28	%
Total interest-bearing liabilities		2,849,123	$	6,527		0.31	%
Other liabilities		61,539
Shareholders' equity		544,056
Total liabilities and shareholders' equity	$	4,929,701
Net interest spread (1) (2)						5.25	%
Net interest income and interest margin (1) (3)			$	165,506		5.35	%

(1) Interest and rates calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

(2) Net interest spread represents the average yield earned on earning assets minus the average rate paid on interest-bearing liabilities.

(3) Net interest margin is computed by calculating the difference between interest income and expense (annualized), divided by the average balance of earning assets.

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	For the Nine Months Ended
	September 30, 2010
			Interest		Rates
	Average		Income/		Earned/
	Balance		Expense		Paid
	(In thousands)
Assets:
Money market assets and funds sold	$	2,174	$	2		0.12	%
Investment securities:
Available for sale
Taxable		272,141		6,465		3.17	%
Tax-exempt (1)		171,122		8,466		6.60	%
Held to maturity
Taxable		186,336		6,119		4.38	%
Tax-exempt (1)		486,651		22,906		6.28	%
Loans:
Commercial:
Taxable		546,269		25,660		6.28	%
Tax-exempt (1)		169,314		8,344		6.59	%
Commercial real estate		1,232,406		61,229		6.64	%
Real estate construction		65,352		2,767		5.66	%
Real estate residential		363,337		12,104		4.44	%
Consumer		575,987		25,984		6.03	%
Total loans (1)		2,952,665		136,088		6.16	%
Total earning assets (1)		4,071,089	$	180,046		5.91	%
Other assets		722,177

Total assets	$	4,793,266

Liabilities and shareholders' equity
Deposits:
Noninterest bearing demand	$	1,394,033	$	-		-
Savings and interest-bearing transaction		1,640,421		2,725		0.22	%
Time less than $100,000		360,929		1,425		0.53	%
Time $100,000 or more		548,848		2,566		0.63	%
Total interest-bearing deposits		2,550,198		6,716		0.35	%
Short-term borrowed funds		209,846		1,538		0.97	%
Federal Home Loan Bank advances		23,767		249		1.38	%
Debt financing and notes payable		26,450		1,272		6.41	%
Total interest-bearing liabilities		2,810,261	$	9,775		0.46	%
Other liabilities		71,851
Shareholders' equity		517,121

Total liabilities and shareholders' equity	$	4,793,266

Net interest spread (1) (2)						5.45	%

Net interest income and interest margin (1) (3)			$	170,271		5.59	%

(1) Interest and rates calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

(2) Net interest spread represents the average yield earned on earning assets minus the average rate paid on interest-bearing liabilities.

(3) Net interest margin is computed by calculating the difference between interest income and expense (annualized), divided by the average balance of earning assets.

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Summary of Changes in Interest Income and Expense due to Changes in Average Asset & Liability Balances and Yields Earned & Rates Paid

The following tables set forth a summary of the changes in interest income and interest expense due to changes in average asset and liability balances (volume) and changes in average interest rates for the periods indicated. Changes not solely attributable to volume or rates have been allocated in proportion to the respective volume and rate components.

	For the Three Months Ended September 30, 2011
	Compared with
	For the Three Months Ended September 30, 2010
	Volume			Rate			Total
	(In thousands)
Interest and fee income:
Money market assets and funds sold	$	-		$	(1	)	$	(1	)
Investment securities:
Available for sale
Taxable		1,010			(179	)		831
Tax-exempt (1)		1,013			(177	)		836
Held to maturity
Taxable		408			(571	)		(163	)
Tax-exempt (1)		256			(85	)		171
Loans:
Commercial:
Taxable		(2,011	)		378			(1,633	)
Tax-exempt (1)		(305	)		(158	)		(463	)
Commercial real estate		(808	)		(331	)		(1,139	)
Real estate construction		(352	)		426			74
Real estate residential		(461	)		(270	)		(731	)
Consumer		155			(956	)		(801	)
Total loans (1)		(3,782	)		(911	)		(4,693	)
Total decrease in interest and fee income (1)		(1,095	)		(1,924	)		(3,019	)

Interest expense:
Deposits:
Savings and interest-bearing transaction		76			(371	)		(295	)
Time less than $100,000		(44	)		243			199
Time $100,000 or more		(27	)		(247	)		(274	)
Total interest-bearing deposits		5			(375	)		(370	)
Short-term borrowed funds		(176	)		(259	)		(435	)
Federal Home Loan Bank advances		(3	)		8			5
Debt financing and notes payable		(74	)		(151	)		(225	)
Total decrease in interest expense		(248	)		(777	)		(1,025	)
Decrease in Net Interest Income (1)	$	(847	)	$	(1,147	)	$	(1,994	)

(1) Amounts calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

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	For the Nine Months Ended September 30, 2011
	compared with
	For the Nine Months Ended September 30, 2010
	Volume			Rate			Total
	(In thousands)
Interest and fee income:
Money market assets and funds sold	$	(1	)	$	(1	)	$	(2	)
Investment securities:
Available for sale
Taxable		3,566			(1,663	)		1,903
Tax-exempt (1)		4,377			(495	)		3,882
Held to maturity
Taxable		(864	)		(1,019	)		(1,883	)
Tax-exempt (1)		(674	)		(194	)		(868	)
Loans:
Commercial:
Taxable		(4,538	)		863			(3,675	)
Tax-exempt (1)		(951	)		(186	)		(1,137	)
Commercial real estate		(629	)		(1,098	)		(1,727	)
Real estate construction		(56	)		78			22
Real estate residential		(1,409	)		(1,155	)		(2,564	)
Consumer		295			(2,259	)		(1,964	)
Total loans (1)		(7,288	)		(3,757	)		(11,045	)
Total decrease in interest and fee income (1)		(884	)		(7,129	)		(8,013	)

Interest expense:
Deposits:
Savings and interest-bearing transaction		262			(1,072	)		(810	)
Time less than $100,000		(181	)		354			173
Time $100,000 or more		(38	)		(697	)		(735	)
Total interest-bearing deposits		43			(1,415	)		(1,372	)
Short-term borrowed funds		(531	)		(823	)		(1,354	)
Federal Home Loan Bank advances		205			(56	)		149
Debt financing and notes payable		(90	)		(581	)		(671	)
Total decrease in interest expense		(373	)		(2,875	)		(3,248	)
Decrease in Net Interest Income (1)	$	(511	)	$	(4,254	)	$	(4,765	)

(1) Amounts calculated on a fully taxable equivalent basis using the current statutory federal tax rate.

Provision for Loan Losses

The Company manages credit costs by consistently enforcing conservative underwriting and administration procedures and aggressively pursuing collection efforts with troubled debtors.

The Company recorded purchased County and Sonoma loans at estimated fair value upon the acquisition dates of February 6, 2009 and August 20, 2010, respectively. Such fair values were recognized for individual loans, although small balance homogenous loans were pooled for valuation purposes. The valuation discounts recorded for purchased loans included Management’s assessment of the risk of principal loss under economic and borrower conditions prevailing on the date of purchase. Any deterioration in such conditions or reassessment by Management could require additional loss recognition through a provision for loan losses. The purchased County loans are “covered” by loss-sharing agreements the Company entered with the FDIC which mitigates any additional losses during the term of the agreements.

Management believes the overall borrower and economic conditions have been relatively stable for the purchased County loans. However, a provision for loan losses of $428 thousand, net of FDIC indemnification, was recorded for two County loan customers during the third quarter 2011. Management believes the overall borrower and economic conditions have been relatively stable for the purchased Sonoma loans; no provision for loan losses was recorded for Sonoma loans during the third quarter 2011. Management regularly evaluates the acquisition date fair value discounts and, in its judgment, believes the fair value discounts remaining at September 30, 2011 represent appropriate loss estimates inherent in the purchased loans. However, no assurance can be given that future provisions for loan losses related to purchased loans will not be necessary.

- 37 -

The Company provided $2,372 thousand and $7,972 thousand for loan losses related to originated loans in the third quarter and first nine months 2011, respectively, compared to $2,800 thousand and $8,400 thousand for comparable periods in 2010. The provision reflects Management's assessment of credit risk in the originated loan portfolio for each of the periods presented.

For further information regarding credit risk, the FDIC loss-sharing agreements, net credit losses and the allowance for loan losses, see Note 5 and the “Loan Portfolio Credit Risk” and “Allowance for Credit Losses” sections of this report.

Noninterest Income

The following table summarizes the components of noninterest income for the periods indicated.

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
	(In thousands)

Service charges on deposit accounts	$	7,430	$	8,162	$	22,529	$	25,533
Merchant processing services		2,358		2,234		6,921		6,631
Debit card fees		1,269		1,259		3,752		3,678
ATM processing fees		980		1,004		2,911		2,917
Other service fees		743		789		2,155		2,024
Trust fees		432		429		1,407		1,257
Check sale income		207		221		640		676
Safe deposit fees		188		178		525		504
Financial services commissions		111		211		257		583
Gain on acquisition		-		178		-		178
Other noninterest income		1,487		406		4,142		2,330
Total	$	15,205	$	15,071	$	45,239	$	46,311

Noninterest income for the third quarter of 2011 increased by $134 thousand or 0.9% from the same period in 2010. Merchant processing services income increased $124 thousand mainly due to increased transaction volumes. Other noninterest income rose $1 million mostly due to a $271 thousand gain on sale of premises, a $229 thousand increase in net recoveries of charged-off purchased loans, a $173 thousand gain on retirement of subordinated debt, $152 thousand in ACH service fee income and $148 thousand in recoveries of unclaimed funds. Service charges on deposits decreased $732 thousand primarily due to declines in fees charged on overdrawn accounts and insufficient funds (down $564 thousand) and deficit fees charged on analyzed accounts (down $130 thousand). New regulations over overdraft fees were adopted July 1, 2010 and limited the Bank’s ability to assess overdraft fees. Financial services commissions decreased $100 thousand due to lower sales of mutual funds and annuities.

In the first nine months of 2011, noninterest income decreased $1.1 million or 2.3% compared with the first nine months of 2010. Service charges on deposits decreased $3.0 million due to declines in fees charged on overdrawn accounts and insufficient funds (down $2.5 million) and deficit fees charged on analyzed accounts (down $476 thousand). Financial services commissions decreased $326 thousand due to lower sales of mutual funds and annuities. Merchant processing services income increased $290 thousand mainly due to higher transaction volumes. Trust fees increased $150 thousand due to increased accounts. Other noninterest income increased $1.8 million primarily due to $459 thousand in ACH service fee income, a $446 thousand increase in income from net recoveries of charged-off purchased loans, a $299 thousand increase in income from investment in real estate, a $173 thousand gain on retirement of subordinated debt and $148 thousand in recoveries of unclaimed funds.

- 38 -

Noninterest Expense

The following table summarizes the components of noninterest expense for the periods indicated.

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2011		2010		2011		2010
	(In thousands)

Salaries and related benefits	$	14,401	$	15,481	$	44,388	$	46,849
Occupancy		4,010		3,962		12,085		11,561
Outsourced data processing services		2,165		2,187		6,743		6,629
Amortization of identifiable intangibles		1,477		1,573		4,505		4,711
Professional fees		1,185		950		3,489		2,480
Equipment		943		1,067		2,915		3,234
Courier service		840		826		2,535		2,636
Deposit insurance assessments		740		1,268		2,700		3,848
Other real estate owned		700		188		1,835		653
Loan expense		578		354		1,515		1,248
Telephone		422		346		1,285		1,141
Postage		353		322		1,083		1,251
Stationery and supplies		272		276		919		956
Operational losses		226		237		815		615
In-house meetings		179		176		540		534
Customer checks		167		170		511		503
Advertising/public relations		156		153		488		629
Correspondent service charges		30		35		92		272
Settlements		-		-		2,100		23
Other noninterest expense		2,539		1,937		6,471		5,862

Total	$	31,383	$	31,508	$	97,014	$	95,635

Noninterest expense decreased $125 thousand or 0.4% in the third quarter 2011 compared with the same period in 2010. Expenses related to other real estate owned were $512 thousand higher in the three months ended September 30, 2011 due to payment of delinquent property taxes on real estate repossessed during the period and recognition of declines in value based on recent appraisals. Professional fees increased $235 thousand due to higher legal fees. Loan expense increased $224 thousand primarily due to increases in foreclosure expense, appraisal fees and waived fees on foreclosed loans. Salaries and related benefits decreased $1.1 million primarily due to a reduction in salaries, decreases in incentives and other benefits partially offset by higher group health insurance costs and annual merit increases in salaries. Deposit insurance assessments declined $528 thousand due to new assessment rules effective April 1, 2011. Equipment expense decreased $124 thousand mainly due to lower depreciation charges.

Noninterest expense increased $1.4 million or 1.4% in the first nine months of 2011 compared with the same period in 2010 primarily due to $2.1 million in settlement accruals. The first nine months of 2011 results also included $679 thousand related to pre-integration costs for the acquired Sonoma, primarily outsourced data processing and personnel costs. Sonoma operations were fully integrated in February 2011. Expenses related to other real estate owned were $1.2 million higher in the nine months ended September 30, 2011 due to recognition of declines in value based on recent appraisals, payment of delinquent property taxes on real estate repossessed during the period and lower gains on sales of foreclosed assets. Professional fees increased $1.0 million due to higher legal fees. Occupancy expense increased $524 thousand primarily due increased rental of bank premises. Loan expense increased $267 thousand primarily due to increases in foreclosure expense, appraisal fees and waived fees on foreclosed loans. Operational losses increased $200 thousand due to increased fraudulent deposit account and debit card activity and branch robberies. Outsourced data processing services expense increased $114 thousand mainly due to merger deconversion costs for Sonoma operations. Salaries and related benefits decreased $2.5 million primarily due to a reduction in regular salaries, decreases in incentives, bonuses and other benefits, partially offset by higher group health insurance costs and annual merit increases in salaries. Deposit insurance assessments declined $1.1 million due to new assessment rules effective April 1, 2011. Equipment expense declined $319 thousand primarily due to lower repairs and maintenance expenses. Amortization of identifiable intangible assets declined $206 thousand as intangible assets are amortized on a declining balance method.

- 39 -

Provision for Income Tax

During the third quarter of 2011, the Company recorded income tax provision (FTE) of $13.3 million compared with $13.7 million for the third quarter of 2010. The current quarter provision represents an effective tax rate (FTE) of 37.2%, compared with 36.7% for the third quarter of 2010. The higher effective tax rate (FTE) for the third quarter 2011 is primarily attributable to lower tax-exempt loan interest for state franchise tax purposes.

The income tax provision (FTE) was $39.3 million for the first nine months of 2011 compared with $41.7 million for the corresponding period of 2010. The first nine months of 2011 effective tax rate (FTE) was 37.3% compared to 37.1% for the same period of 2010.

Loan Portfolio Credit Risk

The risk that loan customers do not repay loans granted by the Bank is the most significant risk to the Company. The Company closely monitors the markets in which it conducts its lending operations and follows a strategy to control exposure to loans with high credit risk. The Bank’s organization structure separates the functions of business development and loan underwriting; Management believes this segregation of duties avoids inherent conflicts of combining business development and loan approval. In measuring and managing credit risk, the Company adheres to the following practices.

The Bank maintains a Loan Review Department which reports directly to the Board of Directors. The Loan Review Department performs independent evaluations of loans and assigns credit risk grades to evaluated loans using grading standards employed by bank regulatory agencies. Those loans judged to carry higher risk attributes are referred to as “classified loans.” Classified loans receive elevated management attention to maximize collection.

·	The Bank maintains two loan administration offices whose sole responsibility is to manage and collect classified loans.

Classified loans with higher levels of credit risk are further designated as “nonaccrual loans.” Management places loans on nonaccrual status when full collection of contractual interest and principal payments is in doubt. Interest previously accrued on loans placed on nonaccrual status is charged against interest income, net of estimated FDIC reimbursements under loss- sharing agreements. The Company does not accrue interest income on nonaccrual loans. Interest payments received on nonaccrual loans are applied to reduce the carrying amount of the loan unless the carrying amount is well secured by loan collateral or covered by FDIC loss-sharing agreements. “Nonperforming assets” include nonaccrual loans, loans 90 or more days past due and still accruing, and repossessed loan collateral.

Management believes the overall credit quality of the loan portfolio is reasonably stable; however, classified and nonperforming assets could fluctuate from period to period. The performance of any individual loan can be affected by external factors such as the interest rate environment, economic conditions, and collateral values or factors particular to the borrower. No assurance can be given that additional increases in nonaccrual and delinquent loans will not occur in the future.

On February 6, 2009, the Bank purchased loans and repossessed loan collateral of the former County Bank from the FDIC. This purchase transaction included loss-sharing agreements with the FDIC wherein the FDIC and the Bank share losses on the purchased assets. The loss-sharing agreements significantly reduce the credit risk of these purchased assets. In evaluating credit risk, Management separates the Bank’s total loan portfolio between those loans qualifying under the FDIC loss-sharing agreements (referred to as “purchased covered loans”) and loans not qualifying under the FDIC loss-sharing agreements (referred to as “purchased non-covered loans” and “originated loans”). At September 30, 2011, purchased covered loans totaled $575 million, or 22 percent of total loans, originated loans totaled $1.9 billion, or 73 percent of total loans and purchased non-covered loans totaled $139 million, or 5 percent of total loans.

Purchased covered loans and repossessed loan collateral qualify under loss-sharing agreements with the FDIC. Under the terms of the loss-sharing agreements, the FDIC absorbs 80 percent of losses and shares in 80 percent of loss recoveries on the first $269 million in losses on purchased covered assets (“First Tier”), and absorbs 95 percent of losses and shares in 95 percent of loss recoveries if losses on purchased covered assets exceed $269 million (“Second Tier”). The term of the loss-sharing agreement on residential real estate assets is ten years, while the term for loss-sharing on non-residential real estate assets is five years with respect to losses and eight years with respect to loss recoveries.

The purchased covered assets are primarily located in the California Central Valley, including Merced County. This geographic area currently has some of the weakest economic conditions within California and has experienced significant declines in real estate values. Management expects higher loss rates on purchased covered assets than on originated assets.

- 40 -

The Bank recorded purchased covered assets at estimated fair value on the February 6, 2009 acquisition date. The credit risk discount ascribed to the $1.2 billion acquired loan and repossessed loan collateral portfolio was $161 million representing estimated losses inherent in the assets at the acquisition date. The Bank also recorded a related receivable from the FDIC in the amount of $129 million representing estimated FDIC reimbursements under the loss-sharing agreements.

The maximum risk to future earnings if First Tier losses exceed Management’s estimated $161 million in recognized losses under the FDIC loss-sharing agreements follows (dollars in thousands):

First Tier loss coverage	$	269,000
Less: Recognized credit risk discount		161,203
Exposure to under-estimated risk within First Tier		107,797

Bank loss-sharing percentage	20 percent
First Tier risk to Bank, pre-tax	$	21,559
First Tier risk to Bank, after-tax	$	12,494

Management has judged the likelihood of experiencing losses of a magnitude to trigger Second Tier FDIC reimbursement as remote. The Bank’s maximum after-tax exposure to Second Tier losses is $14 million as of September 30, 2011, which would be realized only if all covered assets at September 30, 2011 generated no future cash flows.

Purchased covered assets have declined since the acquisition date, and losses have been offset against the estimated credit risk discount. Purchased covered assets totaled $599 million at September 30, 2011, net of a credit risk discount of $49 million, compared to $715 million at December 31, 2010, net of a credit risk discount of $62 million. Purchased covered assets are evaluated for risk classification without regard to FDIC indemnification such that Management can identify purchased covered assets with potential payment problems and devote appropriate credit administration practices to maximize collections. Purchased covered assets classified without regard to FDIC indemnification totaled $186 million and $195 million at September 30, 2011 and December 31, 2010, respectively. FDIC indemnification limits the Company’s loss exposure on covered classified assets.

Allowance for Credit Losses

The Company’s allowance for credit losses represents Management’s estimate of credit losses inherent in the loan portfolio. In evaluating credit risk for loans, Management measures loss potential of the carrying value of loans. As described above, payments on nonaccrual loans may be applied against the principal balance of the loans until such time as full collection of the remaining recorded balance is expected. Further, the carrying value of purchased loans includes fair value discounts assigned at the time of purchase under the provisions of FASB ASC 805, Business Combinations, and FASB ASC 310-30, Loans or Debt Securities with Deteriorated Credit Quality. Management determined the credit default fair value discounts assigned to purchased loans remained adequate as an estimate of credit losses inherent in purchased loans as of September 30, 2011. The allowance for credit losses represents Management’s estimate of credit losses in excess of these principal reductions.

The Company's allowance for credit losses is maintained at a level considered appropriate to provide for losses that can be estimated based upon specific and general conditions. These include conditions unique to individual borrowers, as well as overall credit loss experience, the amount of past due, nonperforming loans and classified loans, FDIC loss-sharing indemnification, recommendations of regulatory authorities, prevailing economic conditions and other factors. A portion of the allowance is specifically allocated to impaired loans whose full collectability is uncertain. Such allocations are determined by Management based on loan-by-loan analyses. A second allocation is based in part on quantitative analyses of historical credit loss experience, in which criticized and classified credit balances identified through an independent internal credit review process are analyzed using a linear regression model to determine standard loss rates. The results of this analysis are applied to current criticized and classified loan balances to allocate the allowance to the respective segments of the loan portfolio. In addition, loans with similar characteristics not usually criticized using regulatory guidelines are analyzed based on the historical loss rates and delinquency trends, grouped by the number of days the payments on these loans are delinquent. Given currently weak economic conditions, Management is applying further analysis to consumer loans. Current levels of indirect automobile loan losses are compared to initial allowance allocations and, based on Management judgment, additional allocations are applied, if needed, to estimate losses. For residential real estate loans, Management is comparing ultimate loss rates on foreclosed residential real estate properties and applying such loss rates to nonaccrual residential real estate loans. Based on this analysis, Management exercises judgment in allocating additional allowance if deemed appropriate to estimate losses on residential real estate loans. Last, allocations are made to non-criticized and non-classified commercial and commercial real estate loans based on historical loss rates and other statistical data.

- 41 -

The remainder of the allowance is considered to be unallocated. The unallocated allowance is established to provide for probable losses that have been incurred as of the reporting date but not reflected in the allocated allowance. It addresses additional qualitative factors consistent with Management's analysis of the level of risks inherent in the loan portfolio, which are related to the risks of the Company's general lending activity. Included in the unallocated allowance is the risk of losses that are attributable to national or local economic or industry trends which have occurred but have not yet been recognized in loan chargeoff history (external factors). The external factors evaluated by the Company include: economic and business conditions, external competitive issues, and other factors. Also included in the unallocated allowance is the risk of losses attributable to general attributes of the Company's loan portfolio and credit administration (internal factors). The internal factors evaluated by the Company include: loan review system, adequacy of lending Management and staff, loan policies and procedures, problem loan trends, concentrations of credit, and other factors. By their nature, these risks are not readily allocable to any specific loan category in a statistically meaningful manner and are difficult to quantify with a specific number. Management assigns a range of estimated risk to the qualitative risk factors described above based on Management's judgment as to the level of risk, and assigns a quantitative risk factor from the range of loss estimates to determine the appropriate level of the unallocated portion of the allowance. Management considers the $35.6 million allowance for credit losses to be adequate as a reserve against credit losses inherent in the loan portfolio as of September 30, 2011.

See Note 5 of the Notes to Unaudited Condensed Consolidated Financial Statements for additional information related to the allowance for credit losses.

Asset/Liability and Market Risk Management

Asset/liability management involves the evaluation, monitoring and management of interest rate risk, market risk, liquidity and funding. The fundamental objective of the Company's management of assets and liabilities is to maximize its economic value while maintaining adequate liquidity and a conservative level of interest rate risk.

Interest Rate Risk

Interest rate risk is a significant market risk affecting the Company. Interest rate risk results from many factors. Assets and liabilities may mature or reprice at different times. Assets and liabilities may reprice at the same time but by different amounts. Short-term and long-term market interest rates may change by different amounts. The timing and amount of cash flows of various assets or liabilities may shorten or lengthen as interest rates change. In addition, interest rates may have an impact on loan demand, demand for various deposit products, credit losses, and other elements of earnings such as account analysis fees on commercial deposit accounts and correspondent bank service charges.

In adjusting the Company's asset/liability position, Management attempts to manage interest rate risk while enhancing the net interest margin and net interest income. At times, depending on expected increases or decreases in general interest rates, the relationship between long and short term interest rates, market conditions and competitive factors, Management may adjust the Company's interest rate risk position in order to manage its net interest margin and net interest income. The Company's results of operations and net portfolio values remain subject to changes in interest rates and to fluctuations in the difference between long and short term interest rates.

The Company’s asset and liability position ranged from “neutral” to slightly “asset sensitive” at September 30, 2011, depending on the interest rate assumptions applied to the simulation model employed by Management to measure interest rate risk. A “neutral” position results in similar amounts of change in interest income and interest expense resulting from application of assumed interest rate changes. An “asset sensitive” position results in a larger change in interest income than in interest expense resulting from application of assumed interest rate changes. Management’s simulation modeling is currently biased toward rising interest rates. Management continues to monitor the interest rate environment as well as economic conditions and other factors it deems relevant in managing the Company's exposure to interest rate risk.

Management assesses interest rate risk by comparing the Company's most likely earnings plan with various earnings models using many interest rate scenarios that differ in the direction of interest rate changes, the degree of change over time, the speed of change and the projected shape of the yield curve. For example, using the current composition of the Company's balance sheet and assuming an increase of 100 basis points (“bp”) in the federal funds rate and an increase of 60 bp in the 10 year Constant Maturity Treasury Bond yield during the same period, earnings are not estimated to change by a meaningful amount compared to the Company's most likely net income plan for the twelve months ending September 30, 2012. Simulation estimates depend on, and will change with, the size and mix of the actual and projected balance sheet at the time of each simulation. In the current operating environment, Management’s objective is to maintain a “neutral” to slightly “asset sensitive” interest rate risk position. The Company does not currently engage in trading activities or use derivative instruments to control interest rate risk, even though such activities may be permitted with the approval of the Company's Board of Directors.

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Market Risk - Equity Markets

Equity price risk can affect the Company. As an example, any preferred or common stock holdings, as permitted by banking regulations, can fluctuate in value. Management regularly assesses the extent and duration of any declines in market value, the causes of such declines, the likelihood of a recovery in market value, and its intent to hold securities until a recovery in value occurs. Declines in value of preferred or common stock holdings that are deemed “other than temporary” could result in loss recognition in the Company's income statement.

Fluctuations in the Company's common stock price can impact the Company's financial results in several ways. First, the Company has regularly repurchased and retired its common stock; the market price paid to retire the Company's common stock can affect the level of the Company's shareholders' equity, cash flows and shares outstanding for purposes of computing earnings per share. Second, the Company's common stock price impacts the number of dilutive equivalent shares used to compute diluted earnings per share. Third, fluctuations in the Company's common stock price can motivate holders of options to purchase Company common stock through the exercise of such options thereby increasing the number of shares outstanding. Finally, the amount of compensation expense associated with share based compensation fluctuates with changes in and the volatility of the Company's common stock price.

Market Risk - Other

Market values of loan collateral can directly impact the level of loan chargeoffs and the provision for loan losses. Other types of market risk, such as foreign currency exchange risk and commodity price risk, are not significant in the normal course of the Company's business activities.

Liquidity and Funding

The Company's routine sources of liquidity are operating earnings, investment securities, consumer and other loans, deposits, and other borrowed funds. During the first nine months of 2011, the Company’s operating activities generated $87.0 million in liquidity providing most of the funds to pay common shareholders $31.1 million in dividends, fund $45.1 million in stock repurchases and redeem $10 million in subordinated debt. The Company's profitability during the first nine months of 2010 contributed operating cash flows of $90.0 million. In the first nine months of 2010, the Company paid $31.6 million in common shareholder dividends and used $22.2 million to repurchase and retire common stock.

During the first nine months of 2011, investment securities provided $267.3 million in liquidity from paydowns and maturities, and loans provided $240.5 million in liquidity from scheduled payments and maturities, net of loan fundings. Additionally, deposit growth increased cash $60.4 million. First nine months of 2011 liquidity provided most of the funds to purchase securities of $456.7 million and to reduce short-term borrowings by $21.6 milllion. During the first nine months of 2010, investment securities provided $230.5 million in liquidity from paydowns and maturities and $279.8 million was used to purchase securities. Loans provided $227.1 million in liquidity from scheduled payments, paydowns and maturities, net of loan fundings. First nine months of 2010, operating and investing liquidity provided funds to meet a net reduction in deposits totaling $237.8 million and a $114.8 million reduction in short-term borrowed funds. During the first nine months of 2011, other sources of cash from investing activities include proceeds of $8.0 million under FDIC loss-sharing agreements compared with $35.8 million in the first nine months of 2010.

The Company projects $206.2 million in additional liquidity from investment security paydowns and maturities during the twelve months ending September 30, 2012. At September 30, 2011, $395.7 million in residential collateralized mortgage obligations (“CMOs”) and residential mortgage backed securities (“MBSs”) were held in the Company's investment portfolios. None of the CMOs or MBSs are backed by sub-prime mortgages. The residential CMOs and MBSs provided $21.6 million in liquidity from paydowns during the three months ended September 30, 2011. At September 30, 2011, indirect automobile loans totaled $415.1 million, which were experiencing stable monthly principal payments of approximately $16.5 million during the third quarter of 2011.

The Company held $1.4 billion in total investment securities at September 30, 2011. Under certain deposit, borrowing and other arrangements, the Company must hold and pledge investment securities as collateral. At September 30, 2011, such collateral requirements totaled approximately $897.3 million. At September 30, 2011, $683.6 million of the Company's investment securities were classified as “available-for-sale”, and as such, could provide additional liquidity if sold, subject to the Company's ability to meet continuing collateral requirements.

- 43 -

In addition, at September 30, 2011 the Company had customary lines for overnight borrowings from other financial institutions in excess of $700 million, under which no balances were outstanding. Additionally, the Company has access to borrowing from the Federal Reserve. The Company's short-term debt rating from Fitch Ratings is F1. The Company's long-term debt rating from Fitch Ratings is A with a stable outlook. Management expects the Company could access additional long-term debt financing if desired. In Management's judgment, the Company's liquidity position is strong and asset liquidations or additional long-term debt are considered unnecessary to meet the ongoing liquidity needs of the Company.

The Company’s short-term borrowed funds primarily represent customer depository funds transferred to borrowings under repurchase agreements the Bank enters with its customers who desire additional yield. Such repurchase agreements are collateralized with the Bank’s investment securities. Fluctuations in the balance of short-term borrowings is affected by Bank customers’ liquidity levels, rates offered by the Bank on repurchase agreements relative to competitive financial instruments, and other factors. Short-term borrowed funds averaged $106.4 million during the nine months ended September 30, 2011.

The Company anticipates maintaining its cash levels in the remainder of 2011. Loan demand from credit-worthy borrowers will be dictated by economic and competitive conditions for the remainder of 2011. The Company aggressively solicits non-interest bearing demand deposits and money market checking deposits, which are the least sensitive to changes in interest rates. The growth of deposit balances is subject to heightened competition, the success of the Company's sales efforts, delivery of superior customer service, new regulations and market conditions. Changes in interest rates, most notably rising interest rates, could impact deposit volumes in the future. Depending on economic conditions, interest rate levels, and a variety of other conditions, deposit growth may be used to fund loans, to reduce borrowings or purchase investment securities. However, due to concerns such as uncertainty in the general economic environment, competition and political uncertainty, loan demand and levels of customer deposits are not certain. Shareholder dividends are expected to continue subject to the Board's discretion and continuing evaluation of capital levels, earnings, asset quality and other factors.

Westamerica Bancorporation ("Parent Company") is a separate entity and apart from Westamerica Bank (“Bank”) and must provide for its own liquidity. In addition to its operating expenses, the Parent Company is responsible for the payment of dividends declared for its shareholders, and interest and principal on outstanding debt. Substantially all of the Parent Company's revenues are obtained from subsidiary dividends and service fees. Payment of dividends to the Parent Company by the Bank is limited under California law. The amount that can be paid in any calendar year, without prior approval from the state regulatory agency, cannot exceed the net profits (as defined) for the preceding three calendar years less distributions in that period. The Company believes that such restriction will not have an impact on the Parent Company's ability to meet its ongoing cash obligations.

Capital Resources

The Company has historically generated high levels of earnings, which provides a means of raising capital. The Company's net income as a percentage of average common equity (“return on common equity” or “ROE”) was 16.2% (annualized) in the first nine months of 2011, 18.1% in 2010 and 25.8% in 2009. The Company also raises capital as employees exercise stock options, which are awarded as a part of the Company's compensation programs to reinforce shareholders' interests in the Management of the Company. Capital raised through the exercise of stock options totaled $6.2 million in the first nine months of 2011, $16.7 million in 2010 and $9.6 million in 2009.

The Company paid dividends totaling $31.1 million in the first nine months of 2011, $42.1 million in 2010 and $41.1 million in 2009, which represent dividends per share of $1.08, $1.44 and $1.41, respectively. The Company's earnings have historically exceeded dividends paid to shareholders. The amount of earnings in excess of dividends gives the Company resources to finance growth and maintain appropriate levels of shareholders' equity. In the absence of profitable growth opportunities, the Company has repurchased and retired its common stock as another means to return capital to shareholders. The Company repurchased and retired 956 thousand shares of common stock valued at $45.1 million in the first nine months of 2011, 533 thousand shares valued at $28.7 million in 2010 and 42 thousand shares valued at $2.0 million in 2009. Share repurchases were restricted to amounts conducted in coordination with employee benefit programs under the terms of the February 13, 2009 issuance of preferred stock to the Treasury; such restrictions were removed with full redemption of the preferred stock in November 2009.

The Company's primary capital resource is shareholders' equity, which increased $8.7 million or 1.6% during the first nine months of 2011 primarily due to $66.1 million in net income, $6.2 million in issuance of stock in connection with exercises of employee stock options and a $10.6 million increase in unrealized gains on securities available for sale, offset by $31.1 million in dividends paid and $45.1 million in stock repurchases.

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Capital to Risk-Adjusted Assets

The following summarizes the ratios of regulatory capital to risk-adjusted assets:

										Minimum			Well-capitalized
	At September 30,						At December 31,			Regulatory			by Regulatory
	2011			2010			2010			Requirement			Definition
Company
Tier one capital		14.34	%		13.59	%		14.21	%		4.00	%		6.00	%
Total capital		15.65	%		14.88	%		15.50	%		8.00	%		10.00	%
Leverage ratio		8.44	%		8.52	%		8.44	%		4.00	%		5.00	%

										Minimum			Well-capitalized
	At September 30,						At December 31,			Regulatory			by Regulatory
	2011			2010			2010			Requirement			Definition
Bank
Tier one capital		14.22	%		13.49	%		13.87	%		4.00	%		6.00	%
Total capital		15.72	%		14.95	%		15.33	%		8.00	%		10.00	%
Leverage ratio		8.32	%		8.42	%		8.19	%		4.00	%		5.00	%

The Company’s and the Bank’s regulatory capital ratios increased from September 30, 2010 and December 31, 2010 to September 30, 2011 due to a decline in risk-weighted assets. In August 2011, the Company redeemed a $10 million subordinated note which qualified as tier one regulatory capital. FDIC-covered assets are included in the 20% risk-weight category until the loss-sharing agreements terminate; the residential loss-sharing agreement expires February 6, 2019 and the non-residential loss-sharing agreement expires (as to losses) February 6, 2014.

The Company and the Bank intend to maintain regulatory capital in excess of the highest regulatory standard, referred to as “well capitalized.” The Company and the Bank routinely project capital levels by analyzing forecasted earnings, credit quality, securities valuations, shareholder dividends, asset volumes, share repurchase activity, stock option exercise proceeds, and other factors. Based on current capital projections, the Company and the Bank expect to maintain regulatory capital levels exceeding the “well capitalized” standard and pay quarterly dividends to shareholders. No assurance can be given that changes in capital management plans will not occur.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

The Company does not currently engage in trading activities or use derivative instruments to control interest rate risk, even though such activities may be undertaken with the approval of the Company's Board of Directors. Interest rate risk as discussed above is the most significant market risk affecting the Company. Other types of market risk, such as foreign currency exchange risk, equity price risk and commodity price risk, are not significant in the normal course of the Company's business activities.

Item 4. Controls and Procedures

The Company's principal executive officer and principal financial officer have evaluated the effectiveness of the Company's “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) of the Securities Exchange Act of 1934, as amended, as of September 30, 2011. Based upon their evaluation, the principal executive officer and principal financial officer concluded that the Company's disclosure controls and procedures are effective to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time period specified in the Securities and Exchange Commission’s rules and forms and are effective in ensuring that information required to be disclosed in the reports that the Company files or submits under the Exchange Act is accumulated and communicated to Management, including the chief executive officer and chief financial officer, as appropriate to allow timely decisions regarding required disclosure. The evaluation did not identify any change in the Company's internal control over financial reporting that occurred during the quarter ended September 30, 2011 that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

Due to the nature of its business, the Company is subject to various threatened or filed legal cases resulting from loan collection efforts, transaction processing for deposit accounts including the order of posting transactions and the assessment of overdraft fees, and employment practices. Like many banks, the Bank is a defendant in a lawsuit alleging it improperly assessed overdraft fees on deposit accounts due to the order in which it processed payments against such deposit accounts. The Bank has reached a preliminary mediated settlement of this matter which is subject to court approval. The Company establishes a liability for contingent litigation losses for any legal matter when payments associated with the claims become probable and the costs can be reasonably estimated. The Bank accrued a liability in the second quarter 2011 for the preliminary mediated settlement. Legal costs related to covered assets are eighty percent indemnified under loss-sharing agreements with the FDIC if certain conditions are met.

Item 1A. Risk Factors

The Company’s Form 10-K as of December 31, 2010 includes detailed disclosure about the risks faced by the Company’s business; such risks have not materially changed since the Form 10-K was filed.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

(a) Previously reported on Form 8-K.

(b) None

The table below sets forth the information with respect to purchases made by or on behalf of the Company or any “affiliated purchaser” (as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934), of common stock during the quarter ended September 30, 2011.

(c)

(d)

Total Number

Maximum Number

of Shares

of Shares that May

(a)

(b)

Purchased as Part of

Yet Be Purchased

Total Number of

Average Price

Publicly Announced

Under the Plans

Period

Shares Purchased

Paid per Share

Plans or Programs*

or Programs

(In thousands, except per share data)

July 1

through

47.49

1,977

July 31

August 1

through

175

41.84

175

1,802

August 31

September 1

through

38.74

1,730

September 30

Total

316

42.37

316

1,730

* Includes 6 thousand, 11 thousand and 1 thousand shares purchased in July, August and September, respectively, by the Company in private transactions with the independent administrator of the Company's Tax Deferred Savings/Retirement Plan (ESOP). The Company includes the shares purchased in such transactions within the total number of shares authorized for purchase pursuant to the currently existing publicly announced program.

The Company repurchases shares of its common stock in the open market to optimize the Company’s use of equity capital and enhance shareholder value and with the intention of lessening the dilutive impact of issuing new shares to meet stock performance, option plans, and other ongoing requirements.

Shares were repurchased during the period from July 1 through July 27, 2011 pursuant to a program approved by the Board of Directors on August 26, 2010 authorizing the purchase of up to 2 million shares of the Company’s common stock from time to time prior to September 1, 2011. Shares were repurchased during the period from July 28, 2011 through September 30, 2011 pursuant to a replacement program approved by the Board of Directors on July 28, 2011 authorizing the purchase of up to 2 million shares of the Company’s common stock from time to time prior to September 1, 2012.

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Item 3. Defaults upon Senior Securities

None

Item 4. Reserved

Item 5. Other Information

None.

Item 6. Exhibits

The exhibit list required by this item is incorporated by reference to the Exhibit Index filed with this report.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

WESTAMERICA BANCORPORATION

(Registrant)

/s/ JOHN "ROBERT" THORSON

John "Robert" Thorson

Senior Vice President and Chief Financial Officer

(Chief Financial and Accounting Officer)

Date: November 2, 2011

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EXHIBIT INDEX

Exhibit 31.1: Certification of Chief Executive Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)

Exhibit 31.2: Certification of Chief Financial Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a)

Exhibit 32.1: Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 32.2: Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

- 49 -

Westamerica Bancorporation - 10-Q quarterly report FY2011 Q3

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