WABC 10-Q Quarterly Report March 31, 2018 | Alphaminr
WESTAMERICA BANCORPORATION

WABC 10-Q Quarter ended March 31, 2018

WESTAMERICA BANCORPORATION
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10-Q 1 f10q_050418p.htm FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended March 31, 2018

or

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 (I.R.S. Employer
Incorporation or Organization) 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 ☒ 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 ☒ No ☐

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

Large accelerated filer ☒ Accelerated filer ☐ Non-accelerated filer ☐  (Do not check if a smaller reporting company)
Smaller reporting company ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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

Yes ☐ No ☒

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 April 26, 2018
Common Stock, 26,626,524
No Par Value

TABLE OF CONTENTS

Page
Forward Looking Statements 3

PART I - FINANCIAL INFORMATION

Item 1 Financial Statements 4
Notes to Unaudited Consolidated Financial Statements 9
Item 2 Management's Discussion and Analysis of Financial Condition and Results of Operations 29
Item 3 Quantitative and Qualitative Disclosures about Market Risk 49
Item 4 Controls and Procedures 50
PART II - OTHER INFORMATION
Item 1 Legal Proceedings 50
Item 1A Risk Factors 50
Item 2 Unregistered Sales of Equity Securities and Use of Proceeds 50
Item 3 Defaults upon Senior Securities 51
Item 4 Mine Safety Disclosures 51
Item 5 Other Information 51
Item 6 Exhibits 51
Signatures 52
Exhibit Index 53
Exhibit 31.1 - Certification of Chief Executive Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a) 54
Exhibit 31.2 - Certification of Chief Financial Officer pursuant to Securities Exchange Act Rule 13a-14(a)/15d-14(a) 55
Exhibit 32.1 - Certification of Chief Executive Officer Required by 18 U.S.C. Section 1350 56
Exhibit 32.2 - Certification of Chief Financial Officer Required by 18 U.S.C. Section 1350 57

- 2 -

FORWARD-LOOKING STATEMENTS

This report on Form 10-Q contains forward-looking statements about Westamerica Bancorporation (the “Company”) 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, future credit quality and performance, the appropriateness of the allowance for loan losses, loan growth or reduction, mitigation of risk in the Company’s loan and investment securities portfolios, 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", “estimates”, "intends", "targeted", "projected", “forecast”, "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 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 a failure or breach in data processing or security systems or those of third party vendors and other service providers, including as a result of cyber attacks 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, flood, drought, and other disasters, on the uninsured value of the Company’s assets and 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; (13) changes in the securities markets and (14) the outcome of contingencies, such as legal proceedings. However, the reader should not consider the above-mentioned factors to be a complete set of all potential risks or uncertainties.

Forward-looking statements speak only as of the date they are made. The Company undertakes no obligation to update any forward-looking statements in this Report to reflect circumstances or events that occur after the date forward looking statements are made, except as may be required by law. The reader is directed to the Company's annual report on Form 10-K for the year ended December 31, 2017, 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.

- 3 -

PART I - FINANCIAL INFORMATION

Item 1 Financial Statements

WESTAMERICA BANCORPORATION

CONSOLIDATED BALANCE SHEETS

(unaudited)

At March 31, At December 31,
2018 2017
(In thousands)
Assets:
Cash and due from banks $ 555,607 $ 575,002
Equity securities 1,764 1,800
Debt securities available for sale 2,351,970 2,191,707
Debt securities held to maturity, with fair values of: $1,098,895 at March 31, 2018 and $1,155,342 at December 31, 2017 1,114,287 1,158,864
Loans 1,228,584 1,287,982
Allowance for loan losses (23,081 ) (23,009 )
Loans, net of allowance for loan losses 1,205,503 1,264,973
Other real estate owned 1,376 1,426
Premises and equipment, net 35,790 35,301
Identifiable intangibles, net 3,280 3,850
Goodwill 121,673 121,673
Other assets 159,786 158,450
Total Assets $ 5,551,036 $ 5,513,046
Liabilities:
Noninterest-bearing deposits $ 2,179,157 $ 2,197,526
Interest-bearing deposits 2,688,710 2,630,087
Total deposits 4,867,867 4,827,613
Short-term borrowed funds 65,356 58,471
Other liabilities 35,730 36,723
Total Liabilities 4,968,953 4,922,807
Contingencies (Note 10)
Shareholders' Equity:
Common stock (no par value), authorized - 150,000 shares Issued and outstanding: 26,591 at March 31, 2018 and 26,425 at December 31, 2017 439,817 431,734
Deferred compensation 1,533 1,533
Accumulated other comprehensive loss (43,452 ) (16,832 )
Retained earnings 184,185 173,804
Total Shareholders' Equity 582,083 590,239
Total Liabilities and  Shareholders' Equity $ 5,551,036 $ 5,513,046

See accompanying notes to unaudited consolidated financial statements.

- 4 -

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF INCOME

(unaudited)

For the
Three Months Ended
March 31,
2018 2017
(In thousands,
except per share data)
Interest and Fee Income:
Loans $ 14,697 $ 15,780
Equity securities 85 74
Debt securities available for sale 13,551 10,175
Debt securities held to maturity 6,174 7,295
Total Interest and Fee Income 34,507 33,324
Interest Expense:
Deposits 450 469
Short-term borrowed funds 9 11
Total Interest Expense 459 480
Net Interest and Fee Income 34,048 32,844
Provision for Loan Losses - -
Net Interest and Fee Income After Provision For Loan Losses 34,048 32,844
Noninterest Income:
Service charges on deposit accounts 4,752 4,923
Merchant processing services 2,420 1,875
Debit card fees 1,605 1,481
Trust fees 743 702
ATM processing fees 664 575
Other service fees 631 650
Financial services commissions 114 195
Equity securities losses (36 ) -
Other noninterest income 1,062 1,256
Total Noninterest Income 11,955 11,657
Noninterest Expense:
Salaries and related benefits 13,351 13,070
Occupancy and equipment 4,691 4,887
Outsourced data processing services 2,340 2,139
Professional fees 785 611
Amortization of identifiable intangibles 570 800
Courier service 463 421
Other noninterest expense 2,014 2,687
Total Noninterest Expense 24,214 24,615
Income Before Income Taxes 21,789 19,886
Provision for income taxes 4,283 4,837
Net Income $ 17,506 $ 15,049
Average Common Shares Outstanding 26,532 26,171
Average Diluted Common Shares Outstanding 26,665 26,329
Per Common Share Data:
Basic earnings $ 0.66 $ 0.58
Diluted earnings 0.66 0.57
Dividends paid 0.40 0.39

See accompanying notes to unaudited consolidated financial statements.

- 5 -

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME

(unaudited)

For the Three Months Ended
March 31,
2018 2017
(In thousands)
Net income $ 17,506 $ 15,049
Other comprehensive (loss) income:
Changes in net unrealized gains on debt securities available for sale (32,846 ) 1,074
Deferred tax benefit (expense) 9,709 (452 )
Changes in net unrealized gains on debt securities available for sale, net of tax (23,137 ) 622
Post-retirement benefit transition obligation amortization - 15
Deferred tax expense - (6 )
Post-retirement benefit transition obligation amortization, net of tax - 9
Total other comprehensive (loss) income (23,137 ) 631
Total comprehensive (loss) income $ (5,631 ) $ 15,680

See accompanying notes to unaudited consolidated financial statements.

- 6 -

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

(unaudited)

Accumulated
Common Other
Shares Common Deferred Comprehensive Retained
Outstanding Stock Compensation (Loss) Income Earnings Total
(In thousands)
Balance, December 31, 2016 25,907 $ 404,606 $ 1,533 $ (10,074 ) $ 165,302 $ 561,367
Net income for the period 15,049 15,049
Other comprehensive income 631 631
Exercise of stock options 376 17,593 17,593
Stock based compensation 456 456
Stock awarded to employees - 15 15
Dividends (10,223 ) (10,223 )
Balance, March 31, 2017 26,283 $ 422,670 $ 1,533 $ (9,443 ) $ 170,128 $ 584,888
Balance, December 31, 2017 26,425 $ 431,734 $ 1,533 $ (16,832 ) $ 173,804 $ 590,239
Cumulative effect of equity securities losses reclassified 142 (142 ) -
Adjusted Balance, January 1, 2018 26,425 431,734 1,533 (16,690 ) 173,662 590,239
Reclass stranded tax effects resulting from the Tax Cuts and Jobs Act (3,625 ) 3,625 -
Net income for the period 17,506 17,506
Other comprehensive loss (23,137 ) (23,137 )
Exercise of stock options 166 7,534 7,534
Stock based compensation 525 525
Stock awarded to employees - 24 24
Dividends (10,608 ) (10,608 )
Balance, March 31, 2018 26,591 $ 439,817 $ 1,533 $ (43,452 ) $ 184,185 $ 582,083

See accompanying notes to unaudited consolidated financial statements.

- 7 -

WESTAMERICA BANCORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

For the Three Months
Ended March 31,
2018 2017
(In thousands)
Operating Activities:
Net income $ 17,506 $ 15,049
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization/accretion 1,643 5,754
Net amortization of deferred net loan (fees) cost (40 ) 26
Decrease in interest income receivable 1,019 1,744
Life insurance premiums paid (203 ) (126 )
Increase in income taxes payable 4,302 2,896
(Increase) decrease in deferred tax asset (20 ) 1,441
Decrease in other assets 2,676 895
Stock option compensation expense 525 456
Increase in interest expense payable 15 8
Decrease in other liabilities (984 ) (2,864 )
Equity securities losses 36 -
Writedown of premises and equipment 1 50
Net gain on sale of foreclosed assets - (55 )
Net Cash Provided by Operating Activities 26,476 25,274
Investing Activities:
Net repayments of loans 59,959 1,526
Net receipts under FDIC (1) indemnification agreements - 129
Purchases of debt securities available for sale (279,327 ) (51,297 )
Proceeds from sale/maturity/calls of debt securities available for sale 86,218 47,600
Proceeds from maturity/calls of debt securities held to maturity 44,577 45,640
Purchases of premises and equipment (1,413 ) (501 )
Proceeds from sale of FRB (2) stock - 24
Proceeds from sale of foreclosed assets 50 1,014
Net Cash (Used in) Provided by Investing Activities (89,936 ) 44,135
Financing Activities:
Net change in deposits 40,254 (6,768 )
Net change in short-term borrowings 6,885 14,533
Exercise of stock options/issuance of shares 7,534 17,593
Common stock dividends paid (10,608 ) (10,223 )
Net Cash Provided by Financing Activities 44,065 15,135
Net Change In Cash and Due from Banks (19,395 ) 84,544
Cash and Due from Banks at Beginning of Period 575,002 462,271
Cash and Due from Banks at End of Period $ 555,607 $ 546,815
Supplemental Cash Flow Disclosures:
Supplemental disclosure of noncash activities:
Loan collateral transferred to other real estate owned $ - $ -
Securities purchases pending settlement - -
Supplemental disclosure of cash flow activities:
Interest paid for the period 444 504
Income tax payments for the period - 500

See accompanying notes to unaudited consolidated financial statements.

(1) Federal Deposit Insurance Corporation ("FDIC")
(2) Federal Reserve Bank ("FRB")

- 8 -

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Note 1: Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission and follow general practices within the banking industry. 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 months ended March 31, 2018 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, 2017.

Note 2: Accounting Policies

The most significant accounting policies followed by the Company are presented 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, 2017. These policies, along with the disclosures presented in the other financial statement notes and in this discussion, provide information on how significant assets and liabilities are valued in the financial statements and how those values are determined. Based on the valuation techniques used and the sensitivity of financial statement amounts to the methods, assumptions, and estimates underlying those amounts, it is reasonably possible conditions could change materially affecting results of operations and financial conditions.

Application of these principles requires the Company to make certain estimates, assumptions, and judgments that affect the amounts reported in the financial statements and accompanying notes. These estimates, assumptions, and judgments are based on information available as of the date of the financial statements; accordingly, as this information changes, the financial statements could reflect different estimates, assumptions, and judgments. Certain accounting policies inherently have a greater reliance on the use of estimates, assumptions and judgments and as such have a greater possibility of producing results that could be materially different than originally reported. Estimates, assumptions and judgments are necessary when assets and liabilities are required to be recorded at fair value, when a decline in the value of an asset not carried on the financial statements at fair value warrants an impairment writedown or valuation reserve to be established, or when an asset or liability needs to be recorded contingent upon a future event. Carrying assets and liabilities at fair value inherently results in more financial statement volatility. The fair values and the information used to record valuation adjustments for certain assets and liabilities are based either on quoted market prices or are provided by other third-party sources, when available.

Certain amounts in prior periods have been reclassified to conform to the current presentation.

Recently Adopted Accounting Standards

In the three months ended March 31, 2018, the Company adopted the following new accounting guidance:

FASB Accounting Standard Update (ASU) 2014-09 , Revenue (Topic 606): Revenue from Contracts with Customers, was issued May 2014. The ASU specifies a standardized approach for revenue recognition across industries and transactions. The ASU also requires additional disclosures. The scope of the ASU does not include revenue streams covered by other ASU topics; thus, Topic 606 does not apply to revenue related to financial instruments, guarantees and leases, such as the Company’s net interest income.

Approximately 73% of our revenue, including all of our net interest income and a portion of our noninterest income, is out of scope of the guidance. The contracts that are in scope of the guidance are primarily related to service charges and fees on deposit accounts, merchant processing fees, debit card fees, ATM processing fees, trust fees and other service charges, commissions and fees. We have completed analyzing the individual contracts in scope and determined our revenue recognition practices within the scope of the ASU as described below did not change in any material regard upon adoption of the ASU.

- 9 -

Service Charges on Deposit Accounts : The Company earns fees from its deposit customers for transaction-based, account maintenance, and overdraft services. Transaction-based fees, which include services such as ATM use fees, stop payment charges, statement rendering, and ACH fees, are recognized at the time the transaction is executed as that is the point in time the Company fulfills the customer’s request. Account maintenance fees, which relate primarily to monthly maintenance, are earned over the course of a month, representing the period over which the Company satisfies the performance obligation. Overdraft fees are recognized at the point in time that the overdraft occurs. Service charges on deposits are withdrawn from the customer’s account balance.

Merchant Processing Services and Debit Card Fees : The Company earns interchange fees from cardholder transactions conducted through the payment networks. Interchange fees from cardholder transactions represent a percentage of the underlying transaction value and are recognized daily, concurrently with the transaction processing services provided to the cardholder.

Trust Fees : The Company earns trust fees from its contracts with customers to manage assets for investment or custody services. These fees are primarily earned over time as the Company provides the contracted monthly or quarterly services and are generally assessed based on a tiered scale of the market value of assets under management (AUM) at month-end. Other related services provided, which are based on a fixed fee schedule, are recognized when the services are rendered.

Gains/Losses on Sales of OREO : The Company records a gain or loss from the sale of OREO when control of the property transfers to the buyer, which generally occurs at the time of an executed deed. The Company does not finance the sale of OREO.

The Company adopted the ASU on January 1, 2018 and no cumulative adjustment was required.

FASB ASU 2016-01 , Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, was issued January 2016. The ASU addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments. Most notably, the ASU changes the income statement impact of equity investments held by the Company and the requirement for the Company to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes (Note 9).

The Company was required to adopt the ASU provisions on January 1, 2018, and for those equity securities with readily determinable fair values, the Company elected the retrospective transition approach with a cumulative effect adjustment to the balance sheet and for those equity securities that do not have readily determinable fair values, the Company elected the prospective transition approach. The impact of the adoption of this accounting standard on the Company’s consolidated financial statements will be subject to the price volatility of the equity investments. As a result of implementing the ASU provisions, effective January 1, 2018, the Company recorded a cumulative effect adjustment to retained earnings of $142 thousand.

FASB ASU 2018-02 , Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, was issued February 2018. The ASU eliminates the stranded tax effects resulting from the Tax Cuts and Jobs Act by allowing a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act. The Company early adopted the provisions of the ASU effective January 1, 2018, by reclassifying the Company’s $3,625 thousand stranded tax effect.

Recently Issued Accounting Standards

FASB ASU 2016-02, Leases (Topic 842), was issued February 25, 2016. The provisions of the new standard require lessees to recognize most leases on-balance sheet, increasing reported assets and liabilities. Lessor accounting remains substantially similar to current U.S. GAAP.

The Company will be required to adopt the ASU provisions January 1, 2019, and plans to elect the modified retrospective transition approach. Management is evaluating the impact that the ASU will have on the Company’s financial statements. As of December 31, 2017, the Company leased 58 of its operating facilities; the remaining minimum lease payments were $17.5 million. The Company does not expect a material change in noninterest expenses upon adoption of the new standard.

FASB ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, was issued on June 16, 2016. The ASU significantly changes estimates for credit losses related to financial assets measured at amortized cost and certain other contracts. For estimating credit losses, the FASB is replacing the incurred loss model with the current expected credit loss (CECL) model, which will accelerate recognition of credit losses. Additionally, credit losses relating to debt securities available-for-sale will be recorded through an allowance for credit losses under the new standard. The Company will also be required to provide additional disclosures related to the financial assets within the scope of the new standard.

- 10 -

The Company will be required to adopt the ASU provisions on January 1, 2020. Management is evaluating the impact that the ASU will have on the Company’s consolidated financial statements. The ultimate adjustment to the allowance for loan losses will be accomplished through an offsetting after-tax adjustment to shareholders’ equity. Economic conditions and the composition of the Company’s loan portfolio at the time of adoption will influence the extent of the adopting accounting adjustment.

FASB ASU 2017-08 , Receivables – Non-Refundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities , was issued March 2017. The ASU will shorten the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity.

The Company will be required to adopt the ASU provisions on January 1, 2019. Management is evaluating the impact the ASU will have on the Company’s financial statements.

FASB ASU 2017-12 , Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities , was issued August 2017. The ASU will expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. The ASU also provides for a one-time reclassification of prepayable assets from held-to-maturity (HTM) to available for sale (AFS) regardless of derivative use.

The Company will be required to adopt the ASU provisions January 1, 2019. 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. However, the Company is currently evaluating the prepayable assets in the HTM portfolio to determine if a one-time reclassification of prepayable assets from HTM to the AFS will occur upon implementation.

[The remainder of this page intentionally left blank]

- 11 -

Note 3: Investment Securities

Effective January 1, 2018, upon adoption of ASU 2016-01, equity securities included in the Company’s available for sale portfolio of $1,800 thousand were reclassified to equity securities. The reclassification of equity securities resulted in recording a cumulative effect adjustment to retained earnings of $142 thousand, net of tax.

At March 31, 2018, the market value of equity securities was $1,764 thousand. During the three months ended March 31, 2018, the Company recognized gross unrealized holding losses of $36 thousand in earnings.

An analysis of the amortized cost and fair value by major categories of debt securities available for sale, which are carried at fair value with net unrealized gains (losses) reported on an after-tax basis as a component of cumulative other comprehensive income, and debt securities held to maturity, which are carried at amortized cost, follows:

Gross Gross
Amortized Unrealized Unrealized Fair
Cost Gains Losses Value
At March 31, 2018 (In thousands)
Debt securities available for sale
Securities of U.S. Government sponsored entities $ 122,291 $ 1 $ (4,345 ) $ 117,947
Agency residential mortgage-backed securities (MBS) 879,824 500 (32,684 ) 847,640
Non-agency residential MBS 138 1 - 139
Agency commercial MBS 2,229 - (39 ) 2,190
Securities of U.S. Government entities 1,526 - (6 ) 1,520
Obligations of states and political subdivisions 181,386 2,910 (3,661 ) 180,635
Corporate securities 1,226,267 523 (24,891 ) 1,201,899
Total debt securities available for sale 2,413,661 3,935 (65,626 ) 2,351,970
Debt securities held to maturity
Agency residential MBS 520,105 325 (16,728 ) 503,702
Non-agency residential MBS 4,179 77 - 4,256
Agency commercial MBS 1,902 - (9 ) 1,893
Obligations of states and political subdivisions 588,101 4,419 (3,476 ) 589,044
Total debt securities held to maturity 1,114,287 4,821 (20,213 ) 1,098,895
Total $ 3,527,948 $ 8,756 $ (85,839 ) $ 3,450,865

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Gross Gross
Amortized Unrealized Unrealized Fair
Cost Gains Losses Value
At December 31, 2017 (In thousands)
Debt securities available for sale
Securities of U.S. Government sponsored entities $ 122,285 $ 1 $ (2,967 ) $ 119,319
Agency residential MBS 787,679 522 (20,495 ) 767,706
Non-agency residential MBS 153 1 - 154
Agency commercial MBS 2,244 - (25 ) 2,219
Securities of U.S. Government entities 1,612 - (22 ) 1,590
Obligations of states and political subdivisions 182,907 3,796 (1,482 ) 185,221
Corporate securities 1,123,671 1,104 (9,277 ) 1,115,498
Total debt securities available for sale 2,220,551 5,424 (34,268 ) 2,191,707
Debt securities held to maturity
Agency residential MBS 545,883 606 (9,850 ) 536,639
Non-agency residential MBS 4,462 70 - 4,532
Agency commercial MBS 9,041 - (66 ) 8,975
Obligations of states and political subdivisions 599,478 7,736 (2,018 ) 605,196
Total debt securities held to maturity 1,158,864 8,412 (11,934 ) 1,155,342
Total $ 3,379,415 $ 13,836 $ (46,202 ) $ 3,347,049

The amortized cost and fair value of debt securities by contractual maturity are shown in the following table s at the dates indicated:

At March 31, 2018
Debt Securities Available Debt Securities Held
for Sale to Maturity
Amortized Fair Amortized Fair
Cost Value Cost Value
(In thousands)
Maturity in years:
1 year or less $ 164,450 $ 162,099 $ 67,865 $ 68,636
Over 1 to 5 years 1,098,360 1,075,777 248,126 247,858
Over 5 to 10 years 225,690 223,481 269,159 269,527
Over 10 years 42,970 40,644 2,951 3,023
Subtotal 1,531,470 1,502,001 588,101 589,044
MBS 882,191 849,969 526,186 509,851
Total $ 2,413,661 $ 2,351,970 $ 1,114,287 $ 1,098,895

At December 31, 2017
Debt Securities Available Debt Securities Held
for Sale to Maturity
Amortized Fair Amortized Fair
Cost Value Cost Value
(In thousands)
Maturity in years:
1 year or less $ 193,337 $ 193,385 $ 50,295 $ 51,105
Over 1 to 5 years 1,031,807 1,023,047 269,050 269,471
Over 5 to 10 years 159,266 160,042 277,170 281,546
Over 10 years 46,065 45,154 2,963 3,074
Subtotal 1,430,475 1,421,628 599,478 605,196
MBS 790,076 770,079 559,386 550,146
Total $ 2,220,551 $ 2,191,707 $ 1,158,864 $ 1,155,342

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Expected maturities of mortgage-related securities can differ from contractual maturities 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-related securities. At March 31, 2018 and December 31, 2017, the Company had no high-risk collateralized mortgage obligations as defined by regulatory guidelines.

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

Debt Securities Available for Sale
At March 31, 2018
No. of Less than 12 months No. of 12 months or longer No. of Total
Investment Unrealized Investment Unrealized Investment Unrealized
Positions Fair Value Losses Positions Fair Value Losses Positions Fair Value Losses
($ in thousands)
Securities of U.S. Government sponsored entities 2 $ 1,977 $ (12 ) 8 $ 115,889 $ (4,333 ) 10 $ 117,866 $ (4,345 )
Agency residential MBS 11 280,804 (6,163 ) 52 492,453 (26,521 ) 63 773,257 (32,684 )
Agency commercial MBS 2 2,190 (39 ) - - - 2 2,190 (39 )
Securities of U.S. Government entities - - - 3 1,520 (6 ) 3 1,520 (6 )
Obligations of states and political subdivisions 57 31,091 (636 ) 35 49,993 (3,025 ) 92 81,084 (3,661 )
Corporate securities 82 781,714 (16,548 ) 34 258,551 (8,343 ) 116 1,040,265 (24,891 )
Total 154 $ 1,097,776 $ (23,398 ) 132 $ 918,406 $ (42,228 ) 286 $ 2,016,182 $ (65,626 )

An analysis of gross unrecognized losses of the debt securities held to maturity portfolio follows:

Debt Securities Held to Maturity
At March 31, 2018
No. of Less than 12 months No. of 12 months or longer No. of Total
Investment Unrecognized Investment Unrecognized Investment Unrecognized
Positions Fair Value Losses Positions Fair Value Losses Positions Fair Value Losses
($ in thousands)
Agency residential MBS 23 $ 33,919 $ (578 ) 67 $ 451,597 $ (16,150 ) 90 $ 485,516 $ (16,728 )
Agency commercial MBS 1 1,893 (9 ) - - - 1 1,893 (9 )
Obligations of states and political subdivisions 266 257,849 (1,557 ) 58 57,422 (1,919 ) 324 315,271 (3,476 )
Total 290 $ 293,661 $ (2,144 ) 125 $ 509,019 $ (18,069 ) 415 $ 802,680 $ (20,213 )

The unrealized losses on the Company’s debt securities were caused by market conditions for these types of investments, particularly changes in risk-free interest rates. The Company evaluates debt securities on a quarterly basis including changes in security ratings issued by rating agencies, changes in the financial condition of the issuer, and, for mortgage-backed and asset-backed securities, 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. Substantially all of these securities continue to be investment grade rated by a major rating agency. In addition to monitoring credit rating agency evaluations, Management performs its own evaluations regarding the credit worthiness of the issuer or the securitized assets underlying asset backed securities.

The Company does not intend to sell any debt securities and has concluded that it is more likely than not that it will not be required to sell the debt securities prior to recovery of the amortized cost basis. Therefore, the Company does not consider these debt securities to be other-than-temporarily impaired as of March 31, 2018.

The fair values of the debt securities could decline in the future if the general economy deteriorates, inflation increases, credit ratings decline, the issuer’s financial condition deteriorates, or the liquidity for debt securities declines. As a result, other than temporary impairments may occur in the future.

As of March 31, 2018 and December 31, 2017, the Company had debt securities pledged to secure public deposits and short-term borrowed funds of $ 696,058 thousand and $715,774 thousand, respectively.

- 14 -

An analysis of gross unrealized losses  of debt securities available for sale follows:

Debt Securities Available for Sale
At December 31, 2017
No. of Less than 12 months No. of 12 months or longer No. of Total
Investment Unrealized Investment Unrealized Investment Unrealized
Positions Fair Value Losses Positions Fair Value Losses Positions Fair Value Losses
($ in thousands)
Securities of U.S. Government sponsored entities 1 $ 996 $ (2 ) 8 $ 117,252 $ (2,965 ) 9 $ 118,248 $ (2,967 )
Agency residential MBS 7 238,554 (1,501 ) 51 516,711 (18,994 ) 58 755,265 (20,495 )
Non-agency residential MBS 1 1 - - - - 1 1 -
Agency commercial MBS 2 2,219 (25 ) - - - 2 2,219 (25 )
Securities of U.S. Government entities - - - 3 1,590 (22 ) 3 1,590 (22 )
Obligations of states and political subdivisions 50 21,453 (228 ) 35 52,071 (1,254 ) 85 73,524 (1,482 )
Corporate securities 64 571,112 (4,047 ) 38 282,924 (5,230 ) 102 854,036 (9,277 )
Total 125 $ 834,335 $ (5,803 ) 135 $ 970,548 $ (28,465 ) 260 $ 1,804,883 $ (34,268 )

An analysis of gross unrecognized losses of the debt securities held to maturity portfolio follows:

Debt Securities Held to Maturity
At December 31, 2017
No. of Less than 12 months No. of 12 months or longer No. of Total
Investment Unrecognized Investment Unrecognized Investment Unrecognized
Positions Fair Value Losses Positions Fair Value Losses Positions Fair Value Losses
($ in thousands)
Agency residential MBS 15 $ 30,218 $ (201 ) 65 $ 479,775 $ (9,649 ) 80 $ 509,993 $ (9,850 )
Agency commercial MBS 1 1,913 (4 ) 1 7,062 (62 ) 2 8,975 (66 )
Obligations of states and political subdivisions 146 131,032 (553 ) 59 58,979 (1,465 ) 205 190,011 (2,018 )
Total 162 $ 163,163 $ (758 ) 125 $ 545,816 $ (11,176 ) 287 $ 708,979 $ (11,934 )

The following table provides information about the amount of interest income earned on investment securities which is fully taxable and which is exempt from regular federal income tax:

For the Three Months
Ended March 31,
2018 2017
(In thousands)
Taxable $ 14,935 $ 12,147
Tax-exempt from regular federal income tax 4,875 5,397
Total interest income from investment securities $ 19,810 $ 17,544

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Note 4: Loans and Allowance for Loan Losses

A summary of the major categories of loans outstanding is shown in the following table at the dates indicated.

At March 31, At December 31,
2018 2017
(In thousands)
Commercial $ 306,978 $ 335,996
Commercial Real Estate 553,318 568,584
Construction 2,941 5,649
Residential Real Estate 59,484 65,183
Consumer Installment & Other 305,863 312,570
Total $ 1,228,584 $ 1,287,982

Total loans outstanding reported above include loans purchased from the FDIC of $ 75,476 thousand and $83,478 thousand at March 31, 2018 and December 31, 2017, respectively. Loans purchased from the FDIC were separately reported in prior periods and have been reclassified into their respective categories in the current presentation.

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

For the For the
Three Months Ended Year Ended
March 31, 2018 December 31, 2017
Accretable yield: (In thousands)
Balance at the beginning of the period $ 738 $ 1,237
Reclassification from nonaccretable difference 313 1,852
Accretion (452 ) (2,351 )
Balance at the end of the period $ 599 $ 738
Accretion $ (452 ) $ (2,351 )
Change in FDIC indemnification 1 192
(Increase) in interest income $ (451 ) $ (2,159 )

The following summarizes activity in the allowance for loan losses:

Allowance for Loan Losses
For the Three Months Ended March 31, 2018
Consumer
Commercial Residential Installment
Commercial Real Estate Construction Real Estate and Other Unallocated Total
(In thousands)
Allowance for loan losses:
Balance at beginning of period $ 7,746 $ 3,849 $ 335 $ 995 $ 6,418 $ 3,666 $ 23,009
Additions:
(Reversal) provision (17 ) (25 ) (160 ) (87 ) 37 252 -
Deductions:
Chargeoffs (41 ) - - - (1,365 ) - (1,406 )
Recoveries 829 - - - 649 - 1,478
Net loan recoveries (losses) 788 - - - (716 ) - 72
Total allowance for loan losses $ 8,517 $ 3,824 $ 175 $ 908 $ 5,739 $ 3,918 $ 23,081

Allowance for Loan Losses
For the Three Months Ended March 31, 2017
Consumer
Commercial Residential Installment
Commercial Real Estate Construction Real Estate and Other Unallocated Total
(In thousands)
Allowance for loan losses:
Balance at beginning of period $ 8,327 $ 3,330 $ 152 $ 1,330 $ 7,980 $ 4,835 $ 25,954
Additions:
Provision (reversal) 209 182 (40 ) (116 ) 106 (341 ) -
Deductions:
Chargeoffs (103 ) - - - (1,739 ) - (1,842 )
Recoveries 160 10 - - 637 - 807
Net loan recoveries (losses) 57 10 - - (1,102 ) - (1,035 )
Total allowance for loan losses $ 8,593 $ 3,522 $ 112 $ 1,214 $ 6,984 $ 4,494 $ 24,919

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The allowance for loan losses and recorded investment in loans evaluated for impairment were as follows:

Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment
At March 31, 2018
Commercial Commercial
Real Estate
Construction Residential
Real Estate
Consumer
Installment and
Other
Unallocated Total
(In thousands)
Allowance for loan losses:
Individually evaluated for impairment $ 4,777 $ 214 $ - $ - $ - $ - $ 4,991
Collectively evaluated for impairment 3,740 3,610 175 908 5,739 3,918 18,090
Purchased loans with evidence of credit deterioration - - - - - - -
Total $ 8,517 $ 3,824 $ 175 $ 908 $ 5,739 $ 3,918 $ 23,081
Carrying value of loans:
Individually evaluated for impairment $ 10,513 $ 11,393 $ - $ 206 $ - $ - $ 22,112
Collectively evaluated for impairment 296,432 541,327 2,941 59,278 305,705 - 1,205,683
Purchased loans with evidence of credit deterioration 33 598 - - 158 - 789
Total $ 306,978 $ 553,318 $ 2,941 $ 59,484 $ 305,863 $ - $ 1,228,584

Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment
At December 31, 2017
Commercial Commercial
Real Estate
Construction Residential
Real Estate
Consumer
Installment and
Other
Unallocated Total
(In thousands)
Allowance for loan losses:
Individually evaluated for impairment $ 4,814 $ 171 $ - $ - $ - $ - $ 4,985
Collectively evaluated for impairment 2,932 3,678 335 995 6,418 3,666 18,024
Purchased loans with evidence of credit deterioration - - - - - - -
Total $ 7,746 $ 3,849 $ 335 $ 995 $ 6,418 $ 3,666 $ 23,009
Carrying value of loans:
Individually evaluated for impairment $ 10,675 $ 14,234 $ - $ 208 $ - $ - $ 25,117
Collectively evaluated for impairment 325,291 553,769 5,649 64,975 312,406 - 1,262,090
Purchased loans with evidence of credit deterioration 30 581 - - 164 - 775
Total $ 335,996 $ 568,584 $ 5,649 $ 65,183 $ 312,570 $ - $ 1,287,982

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 Audit Committee of the Board of Directors. The Loan Review Department performs independent evaluations of loans and validates management assigned credit risk grades on 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.” Loan Review Department evaluations occur every calendar quarter. If the Bank becomes aware of deterioration in a borrower’s performance or financial condition between Loan Review Department examinations, assigned risk grades are re-evaluated promptly. Credit risk grades assigned by management and validated by the Loan Review Department are subject to review by the Bank’s regulatory authorities during regulatory examinations.

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

Credit Risk Profile by Internally Assigned Grade
At March 31, 2018
Commercial Commercial
Real Estate
Construction Residential
Real Estate
Consumer
Installment and
Other
Total
(In thousands)
Grade:
Pass $ 283,666 $ 547,740 $ 2,941 $ 59,202 $ 303,836 $ 1,197,385
Substandard 23,312 5,578 - 282 1,523 30,695
Doubtful - - - - 177 177
Loss - - - - 327 327
Total $ 306,978 $ 553,318 $ 2,941 $ 59,484 $ 305,863 $ 1,228,584

Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

Credit Risk Profile by Internally Assigned Grade
At December 31, 2017
Commercial Commercial
Real Estate
Construction Residential
Real Estate
Consumer
Installment and
Other
Total
(In thousands)
Grade:
Pass $ 324,185 $ 548,853 $ 5,649 $ 62,253 $ 310,429 $ 1,251,369
Substandard 11,811 19,731 - 2,930 1,370 35,842
Doubtful - - - - 1 1
Loss - - - - 770 770
Total $ 335,996 $ 568,584 $ 5,649 $ 65,183 $ 312,570 $ 1,287,982

Credit risk profile reflects internally assigned grade of purchased covered loans without regard to FDIC indemnification.

The following tables summarize loans by delinquency and nonaccrual status:

Summary of Loans by Delinquency and Nonaccrual Status
At March 31, 2018
Current and
Accruing
30-59 Days
Past Due and
Accruing
60-89 Days
Past Due and
Accruing
Past Due 90
Days or More
and Accruing
Nonaccrual Total Loans
(In thousands)
Commercial $ 306,396 $ 227 $ 84 $ - $ 271 $ 306,978
Commercial real estate 544,476 2,809 360 - 5,673 553,318
Construction 2,941 - - - - 2,941
Residential real estate 59,184 300 - - - 59,484
Consumer installment and other 302,214 2,667 531 255 196 305,863
Total $ 1,215,211 $ 6,003 $ 975 $ 255 $ 6,140 $ 1,228,584

Summary of Loans by Delinquency and Nonaccrual Status
At December 31, 2017
Current and
Accruing
30-59 Days
Past Due and
Accruing
60-89 Days
Past Due and
Accruing
Past Due 90
Days or More
and Accruing
Nonaccrual Total Loans
(In thousands)
Commercial $ 334,908 $ 627 $ 164 $ - $ 297 $ 335,996
Commercial real estate 561,883 1,143 125 - 5,433 568,584
Construction 5,649 - - - - 5,649
Residential real estate 65,183 - - - - 65,183
Consumer installment and other 307,445 3,321 1,077 531 196 312,570
Total $ 1,275,068 $ 5,091 $ 1,366 $ 531 $ 5,926 $ 1,287,982

There were no commitments to lend additional funds to borrowers whose loans were on nonaccrual status at March 31, 2018 and December 31, 2017.

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The following summarizes impaired loans:

Impaired Loans
At March 31, At December 31,
2018 2017
Unpaid Unpaid
Recorded Principal Related Recorded Principal Related
Investment Balance Allowance Investment Balance Allowance
(In thousands)
With no related allowance recorded:
Commercial $ 1,183 $ 1,227 $ - $ 1,212 $ 1,271 $ -
Commercial real estate 9,766 11,752 - 13,169 14,985 -
Residential real estate 206 237 - 208 239 -
Consumer installment and other 354 461 - 360 466 -
Total with no related allowance recorded 11,509 13,677 - 14,949 16,961 -
With an allowance recorded:
Commercial 9,634 9,634 4,777 9,764 9,764 4,814
Commercial real estate 2,784 2,787 214 1,790 1,792 171
Total with an allowance recorded 12,418 12,421 4,991 11,554 11,556 4,985
Total $ 23,927 $ 26,098 $ 4,991 $ 26,503 $ 28,517 $ 4,985

Impaired loans include troubled debt restructured loans. Impaired loans at March 31, 2018, included $ 9,550 thousand of restructured loans, $ 4,110 thousand of which were on nonaccrual status. Impaired loans include troubled debt restructured loans. Impaired loans at December 31, 2017, included $12,081 thousand of restructured loans, $4,285 thousand of which were on nonaccrual status.

Impaired Loans
For the Three Months Ended March 31,
2018 2017
Average Recognized Average Recognized
Recorded Interest Recorded Interest
Investment Income Investment Income
(In thousands)
Commercial $ 10,897 $ 175 $ 11,292 $ 118
Commercial real estate 13,755 215 14,500 237
Construction - - - -
Residential real estate 207 4 748 4
Consumer installment and other 357 3 543 7
Total $ 25,216 $ 397 $ 27,083 $ 366

The following tables provide information on troubled debt restructurings:

Troubled Debt Restructurings
At March 31, 2018
Period-End
Individual
Number of Pre-Modification Period-End Impairment
Contracts Carrying Value Carrying Value Allowance
($ in thousands)
Commercial 7 $ 2,393 $ 1,043 $ 39
Commercial real estate 9 9,537 8,301 -
Residential real estate 1 241 206 -
Total 17 $ 12,171 $ 9,550 $ 39

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Troubled Debt Restructurings
At December 31, 2017
Period-End
Individual
Number of Pre-Modification Period-End Impairment
Contracts Carrying Value Carrying Value Allowance
($ in thousands)
Commercial 7 $ 2,393 $ 1,085 $ 43
Commercial real estate 10 11,528 10,788 -
Residential real estate 1 241 208 -
Total 18 $ 14,162 $ 12,081 $ 43

During the three months ended March 31, 2018, the Company did not modify any loans that were considered troubled debt restructurings. During the three months ended March 31, 2017, the Company modified two loans with a carrying value of $273 thousand that were considered troubled debt restructurings. The two concessions granted in the three months ended March 31, 2017 consisted of modifications of payment terms to extend the maturity date to allow for deferred principal repayment and under-market terms. There were no chargeoffs related to troubled debt restructurings made during the three months ended March 31, 2018 and March 31, 2017. During the three months ended March 31, 2018 and 2017, no troubled debt restructured loans defaulted within 12 months of the modification date. A troubled debt restructuring is considered to be in default when payments are ninety days or more past due.

There were no loans restricted due to collateral requirements at March 31, 2018 and December 31, 2017.

There were no loans held for sale at March 31, 2018 and December 31, 2017.

At March 31, 2018 and December 31, 2017, the Company held total other real estate owned (OREO) of $ 1,376 thousand net of reserve of $ 1,905 thousand and $1,426 thousand net of reserve of $1,905 thousand, respectively, of which $ -0- thousand was foreclosed residential real estate properties or covered OREO at both dates, respectively. The amount of consumer mortgage loans outstanding secured by residential real estate properties for which formal foreclosure proceedings were in process was $196 thousand at March 31, 2018 and December 31, 2017.

Note 5: Concentration of Credit Risk

Under the California Financial Code, credit extended to any one person owing to a commercial bank at any one time shall not exceed the following limitations: (a) unsecured loans shall not exceed 15 percent of the sum of the shareholders' equity, allowance for loan losses, capital notes, and debentures of the bank, or (b) secured and unsecured loans in all shall not exceed 25 percent of the sum of the shareholders' equity, allowance for loan losses, capital notes, and debentures of the bank. At March 31, 2018, Westamerica Bank did not have credit extended to any one entity exceeding these limits. At March 31, 2018, Westamerica Bank had 36 lending relationships each with aggregate amounts exceeding $5 million. The Company has significant credit arrangements that are secured by real estate collateral. In addition to real estate loans outstanding as disclosed in Note 4, the Company had loan commitments related to real estate loans of $ 48,623 thousand and $53,874 thousand at March 31, 2018 and December 31, 2017, respectively. The Company requires collateral on all real estate loans with loan-to-value ratios at origination generally no greater than 75% on commercial real estate loans and no greater than 80% on residential real estate loans. At March 31, 2018, Westamerica Bank held corporate bonds in 72 issuing entities that exceeded $5 million for each issuer.

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Note 6: Other Assets

Other assets consisted of the following:

At March 31, At December 31,
2018 2017
(In thousands)
Equity securities without readily determinable fair values:
Federal Reserve Bank stock (1) $ 14,069 $ 14,069
Other investments 158 158
Total equity securities without readily determinable fair values 14,227 14,227
Life insurance cash surrender value 54,742 54,101
Net deferred tax asset 42,842 33,112
Limited partnership investments 9,519 10,119
Interest receivable 22,538 23,557
Prepaid assets 4,532 4,906
Other assets 11,386 18,428
Total other assets $ 159,786 $ 158,450

(1) A bank applying for membership in the Federal Reserve System is required to subscribe to stock in the Federal Reserve Bank (FRB) in its district in a sum equal to six percent of the bank’s paid-up capital stock and surplus. One-half of the amount of the bank's subscription shall be paid to the FRB and the remaining half will be subject to call when deemed necessary by the Board of Governors of the Federal Reserve System.

The Company invests in flow-through limited liability entities that manage or invest in affordable housing projects that qualify for low-income housing tax credits. At March 31, 2018, this investment totaled $ 9,519 thousand and $ 2,299 thousand of this amount represents outstanding equity capital commitments that are included in other liabilities. At December 31, 2017, this investment totaled $10,119 thousand and $2,299  thousand of this amount represented outstanding equity capital commitments. At March 31, 2018, the $2,299 thousand of outstanding equity capital commitments are expected to be paid as follows, $722 thousand in 2020, $131 thousand in 2023, $90 thousand in 2024 and $1,356 thousand in 2025 or thereafter.

The amounts recognized in net income for these investments include:

For the Three Months Ended
March 31,
2018 2017
(In thousands)
Investment loss included in pre-tax income $ 600 $ 450
Tax credits recognized in provision for income taxes 336 463

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 evaluated for impairment at least annually. The Company did not recognize impairment during the three months ended March 31, 2018 and year ended December 31, 2017. 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 three months ended March 31, 2018 and year ended December 31, 2017 no such adjustments were recorded.

The carrying values of goodwill were:

At March 31, 2018 At December 31, 2017
(In thousands)
Goodwill $ 121,673 $ 121,673

- 21 -

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

At March 31, At December 31,
2018 2017
Gross Gross
Carrying Accumulated Carrying Accumulated
Amount Amortization Amount Amortization
(In thousands)
Core Deposit Intangibles $ 56,808 $ (53,528 ) $ 56,808 $ (52,987 )
Merchant Draft Processing Intangible 10,300 (10,300 ) 10,300 (10,271 )
Total Identifiable Intangible Assets $ 67,108 $ (63,828 ) $ 67,108 $ (63,258 )

As of March 31, 2018, the current period and estimated future amortization expense for identifiable intangible assets was:

Merchant
Core Draft
Deposit Processing
Intangibles Intangible Total
(In thousands)
For the Three Months ended March 31, 2018 (actual) $ 541 $ 29 $ 570
Estimate for the remainder of year ending December 31, 2018 1,351 - 1,351
Estimate for year ending December 31, 2019 538 - 538
2020 287 - 287
2021 269 - 269
2022 252 - 252
2023 236 - 236

Note 8: Deposits and Borrowed Funds

The following table provides additional detail regarding deposits.

Deposits
At March 31, At December 31,
2018 2017
(In thousands)
Noninterest-bearing $ 2,179,157 $ 2,197,526
Interest-bearing:
Transaction 924,081 904,245
Savings 1,540,192 1,494,024
Time deposits less than $100 thousand 114,301 117,848
Time deposits $100 thousand through $250 thousand 74,436 76,578
Time deposits more than $250 thousand 35,700 37,392
Total deposits $ 4,867,867 $ 4,827,613

Demand deposit overdrafts of $ 788 thousand and $2,786  thousand were included as loan balances at March 31, 2018 and December 31, 2017, respectively. Interest expense for aggregate time deposits with individual account balances in excess of $100 thousand was $ 97 thousand in the three months ended March 31, 2018 and $106 thousand in the three months ended March 31, 2017.

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The following table provides additional detail regarding short-term borrowed funds.

Repurchase Agreements (Sweep)
Accounted for as Secured Borrowings
Remaining Contractual Maturity of the Agreements
Overnight and Continuous
At March 31, 2018 At December 31, 2017
Repurchase agreements: (In thousands)
Collateral securing borrowings:
Securities of U.S. Government sponsored entities $ 73,165 $ 74,173
Agency residential MBS 64,266 58,251
Corporate securities 104,210 105,113
Total collateral carrying value $ 241,641 $ 237,537
Total short-term borrowed funds $ 65,356 $ 58,471

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. Equity securities and available for sale debt 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 other real estate owned, impaired loans, certain loans held for investment, debt securities held to maturity, and other assets. These nonrecurring fair value adjustments typically involve the lower-of-cost or fair-value accounting of individual assets.

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 under current market conditions. 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. When the valuation assumptions used to measure the fair value of the asset or liability are categorized within different levels of the fair value hierarchy, the asset or liability is categorized in its entirety within the lowest level of the hierarchy. 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 equity 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 mutual funds, federal agency securities, mortgage-backed securities, corporate securities, asset-backed securities, and municipal bonds.

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.

The Company relies on independent vendor pricing services to measure fair value for equity securities, debt securities available for sale and debt securities held to maturity. The Company employs three pricing services. To validate the pricing of these vendors, the Company compares vendors’ pricing for each of the securities for consistency; significant pricing differences, if any, are evaluated using all available independent quotes with the quote most closely reflecting the market generally used as the fair value estimate. In addition, the Company conducts “other than temporary impairment (OTTI)” analysis on a quarterly basis; debt securities selected for OTTI analysis include all debt securities at a market price below 95 percent of par value. As with any valuation technique used to estimate fair value, changes in underlying assumptions used could significantly affect the results of current and future values. Accordingly, these fair value estimates may not be realized in an actual sale of the securities.

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The Company regularly reviews the valuation techniques and assumptions used by its vendors and determines which valuation techniques are utilized based on observable market inputs for the type of securities being measured. The Company uses the information to determine the placement in the fair value hierarchy as level 1, 2 or 3. When the Company changes its valuation assumptions for measuring financial assets and financial liabilities at fair value, either due to changes in current market conditions or other factors, or reevaluates the valuation techniques and assumptions used by its vendors, it may need to transfer those assets or liabilities to another level in the hierarchy based on the new information. The Company recognizes these transfers at the end of the reporting period that the transfers occur. For the three months ended March 31, 2018 and year ended December 31, 2017, there were no transfers in to or out of levels 1, 2 or 3.

Assets Recorded at Fair Value on a Recurring Basis

The tables below present assets measured at fair value on a recurring basis on the dates indicated.

At March 31, 2018
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)
Equity securities
Mutual funds $ 1,764 $ - $ 1,764 $ -
Total equity securities 1,764 - 1,764 -
Debt securities available for sale
Securities of U.S. Government sponsored entities 117,947 - 117,947 -
Agency residential MBS 847,640 - 847,640 -
Non-agency residential MBS 139 - 139 -
Agency commercial MBS 2,190 - 2,190 -
Securities of U.S. Government entities 1,520 - 1,520 -
Obligations of states and political subdivisions 180,635 - 180,635 -
Corporate securities 1,201,899 - 1,201,899 -
Total debt securities available for sale 2,351,970 - 2,351,970 -
Total $ 2,353,734 $ - $ 2,353,734 $ -

At December 31, 2017
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)
Equity securities
Mutual funds $ 1,800 $ - $ 1,800 $ -
Total equity securities 1,800 - 1,800 -
Debt securities available for sale
Securities of U.S. Government sponsored entities 119,319 - 119,319 -
Agency residential MBS 767,706 - 767,706 -
Non-agency residential MBS 154 - 154 -
Agency commercial MBS 2,219 - 2,219 -
Securities of U.S. Government entities 1,590 - 1,590 -
Obligations of states and political subdivisions 185,221 - 185,221 -
Corporate securities 1,115,498 - 1,115,498 -
Total debt securities available for sale 2,191,707 - 2,191,707 -
Total $ 2,193,507 $ - $ 2,193,507 $ -

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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 fair value accounting of individual assets. For assets measured at fair value on a nonrecurring basis that were recorded in the balance sheet at March 31, 2018 and December 31, 2017, the following tables provide the level of valuation assumptions used to determine each adjustment and the carrying value of the related assets at period end.

For the
Three Months Ended
At March 31, 2018 March 31, 2018
Carrying Value Level 1 Level 2 Level 3 Total Losses
(In thousands)
Other real estate owned $ 1,376 $ - $ - $ 1,376 $ -
Impaired loans:
Commercial 4,857 - - 4,857 -
Commercial real estate 6,680 - - 6,680 -
Total assets measured at fair value on a nonrecurring basis $ 12,913 $ - $ - $ 12,913 $ -

For the
Year Ended
At December 31, 2017 December 31, 2017
Carrying Value Level 1 Level 2 Level 3 Total Losses
(In thousands)
Other real estate owned $ 1,426 $ - $ - $ 1,426 $ (219 )
Impaired loans:
Commercial 4,950 - - 4,950 -
Commercial real estate 5,904 - - 5,904 -
Total assets measured at fair value on a nonrecurring basis $ 12,280 $ - $ - $ 12,280 $ (219 )

Level 3 – Valuation is based upon present value of expected future cash flows, independent market prices, estimated liquidation values of loan collateral or appraised value of the collateral as determined by third-party independent appraisers, less 10% for selling costs, generally. Level 3 includes other real estate owned that has been measured at fair value upon transfer to foreclosed assets and impaired loans collateralized by real property and other business asset collateral where a specific reserve has been established or a chargeoff has been recorded. Losses on other real estate owned represent losses recognized in earnings during the period subsequent to its initial classification as foreclosed assets. The unobservable inputs and qualitative information about the unobservable inputs are not presented as the inputs were not developed by the Company.

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 in the balance sheet. The Company implemented the provisions of ASU 2016-01, Financial Instruments – Overall: Recognition and Measurement of Financial Assets and Financial Liabilities , effective January 1, 2018. The provisions require the Company to use the “exit price notion” when measuring the fair value of financial instruments for disclosure purposes.

Cash and Due from Banks Cash and due from banks represent U.S. dollar denominated coin and currency, deposits at the Federal Reserve Bank and correspondent banks, and amounts being settled with other banks to complete the processing of customers’ daily transactions. Collectively, the Federal Reserve Bank and financial institutions operate in a market in which cash and due from banks transactions are processed continuously in significant daily volumes honoring the face value of the U.S. dollar.

Debt Securities Held to Maturity The fair values of debt securities were estimated using quoted prices as described above for Level 2 valuation.

Loans Loans are valued using the exit price notion. The Company uses a net present value of cash flows methodology that seeks to incorporate interest rate, credit, liquidity and prepayment risks in the fair market value estimation. Inputs to calculation include market rates for similarly offered products, market interest rate projections, credit spreads and prepayment assumptions.

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Prior to adoption of ASU 2016-01, 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 $23,009 thousand at December 31, 2017 was applied against the estimated fair values to recognize estimated future defaults of contractual cash flows.

Deposit Liabilities Deposits with no stated maturity such as checking accounts, savings accounts and money market accounts can be readily converted to cash or used to settle transactions at face value through the broad financial system operated by the Federal Reserve Banks and financial institutions. The fair value of deposits with no stated maturity is equal to the amount payable on demand. The fair values of time deposits were estimated by using net present value of cash flows methodology that seeks to incorporate interest rate, credit, liquidity and prepayment risks in the fair market value estimation. Inputs to calculation include market rates for similarly offered products, market interest rate projections, credit spreads and prepayment assumptions. The resulting cash flows are compared against alternative funding sources.

Prior to adoption of ASU 2016-01, the fair value of time deposits were estimated by discounting estimated future contractual cash flows 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 tables below are a summary of fair value estimates for financial instruments and the level of the fair value hierarchy within which the fair value measurements are categorized, excluding financial instruments recorded at fair value on a recurring basis. The values assigned do not necessarily represent amounts which ultimately may be realized for assets or paid to settle liabilities. In addition, these values do not give effect to adjustments to fair value which may occur when financial instruments are sold or settled in larger quantities. The carrying amounts in the following tables 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.

At March 31, 2018
Carrying
Amount
Estimated Fair
Value
Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2 )
Significant
Unobservable
Inputs
(Level 3 )
Financial Assets: (In thousands)
Cash and due from banks $ 555,607 $ 555,607 $ 555,607 $ - $ -
Debt securities held to maturity 1,114,287 1,098,895 - 1,098,895 -
Loans 1,205,503 1,244,670 - - 1,244,670
Financial Liabilities:
Deposits $ 4,867,867 $ 4,864,792 $ - $ 4,643,430 $ 221,362
Short-term borrowed funds 65,356 65,356 - 65,356 -

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At December 31, 2017
Carrying
Amount
Estimated Fair
Value
Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2 )
Significant
Unobservable
Inputs
(Level 3 )
Financial Assets: (In thousands)
Cash and due from banks $ 575,002 $ 575,002 $ 575,002 $ - $ -
Debt securities held to maturity 1,158,864 1,155,342 - 1,155,342 -
Loans 1,264,973 1,257,811 - - 1,257,811
Financial Liabilities:
Deposits $ 4,827,613 $ 4,824,586 $ - $ 4,595,795 $ 228,791
Short-term borrowed funds 58,471 58,471 - 58,471 -

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: 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 $ 282,428 thousand and $272,646 thousand at March 31, 2018 and December 31, 2017, 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. Financial and performance standby letters of credit outstanding totaled $ 3,849 thousand and $19,263 thousand at March 31, 2018 and December 31, 2017, respectively. The Company had no commitments outstanding for commercial and similar letters of credit at March 31, 2018 and December 31, 2017. The Company had a reserve for unfunded commitments of $ 2,308 thousand at March 31, 2018 and $2,308 thousand at December 31, 2017, included in other liabilities.

Due to the nature of its business, the Company is subject to various threatened or filed legal cases. Based on the advice of legal counsel, the Company does not expect such cases will have a material, adverse effect on its financial position or results of operations. Legal liabilities are accrued when obligations become probable and the amount can be reasonably estimated.

The Company has determined that it will be obligated to provide refunds of revenue recognized in prior years to some customers. The Company estimates the probable amount of these obligations will be $5,542 thousand and has accrued a liability for such amount; the estimated liability is subject to revision.

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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 by the average number of common shares outstanding during the period. Diluted earnings per common share are computed by dividing net income by the average number of common shares outstanding during the period plus the impact of common stock equivalents.

For the Three Months Ended
March 31,
2018 2017
(In thousands, except per share data)
Net income (numerator) $ 17,506 $ 15,049
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator) 26,532 26,171
Basic earnings per common share $ 0.66 $ 0.58
Diluted earnings per common share
Weighted average number of common shares outstanding - basic 26,532 26,171
Add common stock equivalents for options 133 158
Weighted average number of common shares outstanding - diluted (denominator) 26,665 26,329
Diluted earnings per common share $ 0.66 $ 0.57

For the three months ended March 31, 2018 and 2017, options to purchase 491 thousand and 299 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.

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

WESTAMERICA BANCORPORATION

FINANCIAL SUMMARY

For the Three Months Ended
March 31, December 31,
2018 2017 2017
(In thousands, except per share data)
Net Interest and Fee Income (FTE) (1) $ 35,467 $ 36,030 $ 36,644
Provision for Loan Losses - - -
Noninterest Income:
Securities (Losses) Gains (36 ) - 7,955
Other Noninterest Income 11,991 11,657 12,345
Total Noninterest Income 11,955 11,657 20,300
Noninterest Expense 24,214 24,615 30,167
Income Before Income Taxes (FTE) (1) 23,208 23,072 26,777
Provision for Income Taxes (FTE) (1) 5,702 8,023 22,617
Net Income $ 17,506 $ 15,049 $ 4,160
Average Common Shares Outstanding 26,532 26,171 26,384
Average Diluted Common Shares Outstanding 26,665 26,329 26,538
Common Shares Outstanding at Period End 26,591 26,283 26,425
Per Common Share:
Basic Earnings $ 0.66 $ 0.58 $ 0.16
Diluted Earnings 0.66 0.57 0.16
Book Value Per Common Share $ 21.89 $ 22.25 $ 22.34
Financial Ratios:
Return On Assets 1.28 % 1.13 % 0.30 %
Return On Common Equity 11.57 % 10.48 % 2.70 %
Net Interest Margin (FTE) (1) 3.02 % 3.14 % 3.12 %
Net Loan (Recoveries) Losses to Average Loans (0.02 )% 0.31 % 0.19 %
Efficiency Ratio (2) 51.1 % 51.6 % 53.0 %
Average Balances:
Assets $ 5,564,705 $ 5,395,783 $ 5,534,700
Earning Assets 4,723,213 4,620,001 4,682,897
Loans 1,243,750 1,355,250 1,285,748
Deposits 4,828,352 4,692,746 4,811,035
Shareholders' Equity 613,860 582,384 610,200
Period End Balances:
Assets $ 5,551,036 $ 5,395,947 $ 5,513,046
Earning Assets 4,696,605 4,542,813 4,640,353
Loans 1,228,584 1,351,090 1,287,982
Deposits 4,867,867 4,697,973 4,827,613
Shareholders' Equity 582,083 584,888 590,239
Capital Ratios at Period End:
Total Risk Based Capital 16.53 % 16.91 % 16.17 %
Tangible Equity to Tangible Assets 8.42 % 8.68 % 8.63 %
Dividends Paid Per Common Share $ 0.40 $ 0.39 $ 0.40
Common Dividend Payout Ratio 61 % 68 % 250 %

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 "Financial Ratios" are annualized with the exception of the efficiency ratio.

(1) Yields on securities and certain loans have been adjusted upward to an FTE basis in order to reflect the effect of income which is exempt from federal income taxation at the current statutory tax rate.

(2) The efficiency ratio is defined as noninterest expense divided by total revenue (net interest income on an FTE basis and noninterest income).


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Financial Overview

Westamerica Bancorporation and subsidiaries’ (the Company”) principal source of revenue is net interest and loan fee income, which represents interest and fees earned on loans and investment securities (“earning assets”) reduced by interest paid on deposits and other borrowings (“interest-bearing liabilities”). Market interest rates declined considerably following the recession of 2008 and 2009. Interest rates remained historically low through 2016 as the Federal Open Market Committee’s (“FOMC”) monetary policy was highly accommodative. During this period, Management avoided originating long-dated, low-yielding loans given the potential impact of such assets on forward earning potential; as a result, loans declined and investment securities increased. The changing composition of the earning assets and low market interest rates has pressured the net interest margin to lower levels. The FOMC’s increases in the federal funds rate occurred between December 2016 and March 2018, although longer-term rates have not increased by a similar magnitude. Net interest income was $34.0 million for the first quarter 2018, compared with $33.7 million for the fourth quarter 2017 and $32.8 million for the first quarter 2017. The increase in net interest income is due to higher asset yields and higher levels of average earning assets.

The funding source of the Company’s earning assets is primarily customer deposits. The Company’s long-term strategy includes maximizing checking and savings deposits as these types of deposits are lower-cost and less sensitive to changes in interest rates compared to time deposits. The first quarter 2018 average volume of checking and savings deposits was 95 percent of average total deposits.

Credit quality remained strong with nonperforming assets totaling $8 million at March 31, 2018 and net loan loss recoveries of $72 thousand for the first quarter 2018. The Company did not recognize a provision for loan losses in the first quarter 2018.

The Company presents its net interest margin and net interest income on an FTE basis using the current statutory federal tax rate. Management believes the FTE basis is valuable to the reader because the Company’s loan and investment securities portfolios contain a relatively large portion of municipal loans and securities that are federally tax exempt. The Company’s tax exempt loans and securities composition may not be similar to that of other banks, therefore in order to reflect the impact of the federally tax exempt loans and securities on the net interest margin and net interest income for comparability with other banks, the Company presents its net interest margin and net interest income on an FTE basis. Yields on tax-exempt securities and loans have been adjusted upward to reflect the effect of income exempt from federal income taxation at the federal statutory tax rate of 35% for 2017. Due to the Tax Cuts and Jobs Act of 2017 (“Act”), the federal tax rate became 21% for 2018; as such, the upward adjustment to reflect the effect of income exempt from federal taxation is lower in 2018.

The Company’s significant accounting policies (see Note 1, “Summary of Significant Accounting Policies,” to Financial Statements in the Company’s 2017 Form 10-K) are fundamental to understanding the Company’s results of operations and financial condition.

The Company reported first quarter 2018 net income of $17.5 million or $0.66 diluted earnings per common share. First quarter 2018 results compare to net income of $15.0 million or $0.57 diluted earnings per common share for the first quarter 2017 and $4.2 million or $0.16 diluted earnings per common share for the fourth quarter 2017. Fourth quarter 2017 results include adjustments to asset values triggered by enactment of the Act, recognition of a loss contingency, and securities gains which collectively reduced EPS $0.42.

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Net Income

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

For the Three Months Ended
March 31, December 31,
2018 2017 2017
(In thousands, except per share data)
Net interest and loan fee income $ 34,048 $ 32,844 $ 33,733
FTE adjustment 1,419 3,186 2,911
Net interest and loan fee income (FTE) 35,467 36,030 36,644
Provision for loan losses - - -
Noninterest income 11,955 11,657 20,300
Noninterest expense 24,214 24,615 30,167
Income before taxes (FTE) 23,208 23,072 26,777
Income tax provision (FTE) 5,702 8,023 22,617
Net income $ 17,506 $ 15,049 $ 4,160
Average diluted common shares 26,665 26,329 26,538
Diluted earnings per common share $ 0.66 $ 0.57 $ 0.16
Average total assets $ 5,564,705 $ 5,395,783 $ 5,534,700
Net income to average total assets (annualized) 1.28 % 1.13 % 0.30 %
Net income to average common shareholders' equity (annualized) 11.57 % 10.48 % 2.70 %

Net income for the first quarter of 2018 was $2.5 million more than the same quarter of 2017. Net interest and loan fee income increased $1.2 million in the first quarter 2018 compared with first quarter 2017 mostly attributable to higher average balances of investments and higher yield on earning assets as market interest rates rose. The increase was offset by lower average balances of loans. Net interest and loan fee income (FTE) in the first quarter 2018 included a lower FTE adjustment than in the first quarter 2017 due to the reduced federal corporate tax as a result of enactment of the Act. The provision for loan losses remained zero, reflecting Management's evaluation of losses inherent in the loan portfolio. The book tax provision for the first quarter 2018 was $4.3 million compared with $4.8 million for the first quarter 2017, representing effective tax rates of 19.7% and 24.3%, respectively. The book tax provisions for the first quarter 2018 and the first quarter 2017 include tax benefits of $451 thousand and $671 thousand, respectively, for tax deductions from the exercise of employee stock options which exceed related compensation expenses recognized in the financial statements; these benefits reduced the effective tax rate by 2.0% and 3.4%, respectively.

Comparing the first quarter of 2018 with the fourth quarter of 2017, net income increased $13.3 million. Net interest and loan fee income increased $315 thousand in the first quarter 2018 compared with fourth quarter 2017 mostly attributable to higher average balances of investments and higher yield on earning assets as market interest rates rose. The increase was offset by lower average balances of loans. Net interest and loan fee income (FTE) in the first quarter 2018 included a lower FTE adjustment than in the fourth quarter 2017 due to the reduced federal corporate tax as a result of enactment of the Act. The provision for loan losses remained zero, reflecting Management's evaluation of losses inherent in the loan portfolio. Noninterest income in the first quarter 2018 was $8.3 million lower than in the fourth quarter 2017 due to gains on sale of securities of $8.0 million in the fourth quarter 2017. Noninterest expense decreased $6.0 million primarily because the fourth quarter 2017 included a $5.5 million loss contingency accrual and a $625 thousand impairment charge on tax credit investments. The book tax provision for the first quarter 2018 was $4.3 million compared with $19.7 million for the fourth quarter 2017, representing effective tax rates of 19.7% and 82.6%, respectively. The book tax provision for the fourth quarter 2017 includes a $12.3 million charge resulting from re-measurement of the Company’s net deferred tax asset triggered by enactment of the Act.

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Net Interest and Loan Fee Income (FTE)

Following is a summary of the components of net interest and loan fee income (FTE) for the periods indicated:

For the Three Months Ended
March 31, December 31,
2018 2017 2017
(In thousands)
Interest and loan fee income $ 34,507 $ 33,324 $ 34,204
Interest expense 459 480 471
Net interest and loan fee income 34,048 32,844 33,733
FTE adjustment 1,419 3,186 2,911
Net interest and loan fee income (FTE) $ 35,467 $ 36,030 $ 36,644
Average earning assets $ 4,723,213 $ 4,620,001 $ 4,682,897
Net interest margin (FTE) (annualized) 3.02 % 3.14 % 3.12 %

Net interest and loan fee income increased $1.2 million in the first quarter 2018 compared with the first quarter 2017, mainly due to higher average balances of investments (up $215 million) and higher yield on earning assets (up 0.04%), partially offset by lower average balances of loans (down $111 million) The FTE adjustment was lower in the first quarter 2018 compared with the first quarter 2017 due to the reduced federal corporate tax rate as a result of enactment of the Act.

Comparing the first quarter 2018 with the fourth quarter 2017, net interest and loan fee income increased $315 thousand due to higher average balances of investments (up $82 million) and higher yield on interest earning assets (up 0.03%), offset by lower average balances of loans (down $42 million) The FTE adjustment was lower in the first quarter 2018 compared with the fourth quarter 2017 due to the reduced federal corporate tax rate as a result of enactment of the Act.

Yields on interest-earning assets increased in the first quarter 2018 as market interest rates rose. The annualized net interest margin (FTE) was 3.02% in the first quarter 2018 compared with 3.14% in the first quarter 2017 and 3.12% in the fourth quarter 2017. The first quarter net interest margin (FTE) was lower than in the first quarter 2017 and the fourth quarter 2017 due to the reduced federal corporate tax rate as a result of enactment of the Act.

The Company’s funding costs were 0.04% in the first quarter 2018, unchanged from the first quarter 2017. Average balances of time deposits declined $25 million from the first quarter 2017 to first quarter 2018 while lower-cost checking and savings deposits grew 4% in the same period. Average balances of checking and saving deposits accounted for 95.3% of average total deposits in the first quarter 2018 compared with 94.6% in the first quarter 2017 and 95.1% in the fourth quarter 2017; checking and savings deposits are less sensitive to rising interest rates than time deposits.

Net Interest Margin (FTE)

The following summarizes the components of the Company's net interest margin for the periods indicated (percentages are annualized.):

For the Three Months Ended
March 31, December 31,
2018 2017 2017
Yield on earning assets 2.94 % 2.90 % 2.91 %
Impact of FTE adjustment 0.12 % 0.28 % 0.25 %
Yield on earning assets (FTE) 3.06 % 3.18 % 3.16 %
Rate paid on interest-bearing liabilities 0.07 % 0.07 % 0.07 %
Net interest spread (FTE) 2.99 % 3.11 % 3.09 %
Impact of noninterest-bearing funds 0.03 % 0.03 % 0.03 %
Net interest margin (FTE) 3.02 % 3.14 % 3.12 %

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The FOMC increased the federal funds rate between December 2016 and March 2018. In the first quarter 2018 yield on earning assets increased with rising market interest rates. The net interest spread and net interest margin stated on an FTE basis are lower in the first quarter 2018 compared with the first quarter 2017 and the fourth quarter 2017 because the FTE adjustment to reflect the effect of income exempt from federal taxation is lower in 2018 compared with 2017. Rates on interest-bearing liabilities were kept low by reducing the volume of higher-cost time deposits and increasing balances of checking and savings deposits, which earn relatively low interest rates and are less volatile than time deposits during periods of rising market interest rates.

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Summary of Average Balances, Yields/Rates and Interest Differential

The following tables present information regarding the consolidated average assets, liabilities and shareholders’ equity, the amounts of interest income earned from average interest earning assets and the resulting yields, and the amounts of interest expense incurred on average interest-bearing liabilities and the resulting rates. Average loan balances include nonperforming loans. Interest income includes reversal of previously accrued interest on loans placed on non-accrual status during the period and proceeds from loans on nonaccrual status only to the extent cash payments have been received and applied as interest income and accretion of purchased loan discounts. Yields, rates and interest margins are annualized. Yields on tax-exempt securities and loans have been adjusted upward to reflect the effect of income exempt from federal income taxation at the federal statutory tax rate of 35 percent for 2017. Due to the Tax Cuts and Jobs Act of 2017, the federal tax rate became 21 percent for 2018; as such, the upward adjustment to reflect the effect of income exempt from federal taxation is lower in 2018.

Distribution of Assets, Liabilities & Shareholders’ Equity and Yields, Rates & Interest Margin

For the Three Months Ended March 31, 2018
Interest
Average Income/ Yields/
Balance Expense Rates
($ in thousands)
Assets
Investment securities:
Taxable $ 2,709,643 $ 14,935 2.20 %
Tax-exempt (1) 769,820 6,169 3.21 %
Total investments (1) 3,479,463 21,104 2.43 %
Loans:
Taxable 1,184,715 14,223 4.87 %
Tax-exempt (1) 59,035 599 4.11 %
Total loans (1) 1,243,750 14,822 4.83 %
Total Interest-earning assets (1) 4,723,213 35,926 3.06 %
Other assets 841,492
Total assets $ 5,564,705
Liabilities and shareholders' equity
Noninterest-bearing demand $ 2,156,626 $ - - %
Savings and interest-bearing transaction 2,443,561 282 0.05 %
Time less than $100,000 125,020 71 0.23 %
Time $100,000 or more 103,145 97 0.38 %
Total interest-bearing deposits 2,671,726 450 0.07 %
Short-term borrowed funds 62,501 9 0.06 %
Total interest-bearing liabilities 2,734,227 459 0.07 %
Other liabilities 59,992
Shareholders' equity 613,860
Total liabilities and shareholders' equity $ 5,564,705
Net interest spread (1) (2) 2.99 %
Net interest and fee income and interest margin (1) (3) $ 35,467 3.02 %

(1) Amounts calculated on an FTE basis using the current statutory federal tax rate.
(2) Net interest spread represents the average yield earned on interest-earning assets less the average rate incurred on interest-bearing liabilities.
(3) Net interest margin is computed by calculating the difference between interest income and expense, divided by the average balance of interest-earning assets. The net interest margin is greater than the net interest spread due to the benefit of noninterest-bearing demand deposits.


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Distribution of Assets, Liabilities & Shareholders’ Equity and Yields, Rates & Interest Margin

For the Three Months Ended March 31, 2017
Interest
Average Income/ Yields/
Balance Expense Rates
($ in thousands)
Assets
Investment securities:
Taxable $ 2,433,669 $ 12,147 2.00 %
Tax-exempt (1) 831,082 8,294 3.99 %
Total investments (1) 3,264,751 20,441 2.50 %
Loans:
Taxable 1,290,093 15,243 4.79 %
Tax-exempt (1) 65,157 826 5.14 %
Total loans (1) 1,355,250 16,069 4.81 %
Total Interest-earning assets (1) 4,620,001 36,510 3.18 %
Other assets 775,782
Total assets $ 5,395,783
Liabilities and shareholders' equity
Noninterest-bearing demand $ 2,056,858 $ - - %
Savings and interest-bearing transaction 2,382,348 280 0.05 %
Time less than $100,000 141,400 83 0.24 %
Time $100,000 or more 112,140 106 0.38 %
Total interest-bearing deposits 2,635,888 469 0.07 %
Short-term borrowed funds 68,584 11 0.06 %
Total interest-bearing liabilities 2,704,472 480 0.07 %
Other liabilities 52,069
Shareholders' equity 582,384
Total liabilities and shareholders' equity $ 5,395,783
Net interest spread (1) (2) 3.11 %
Net interest and fee income and interest margin (1) (3) $ 36,030 3.14 %

(1) Amounts calculated on an FTE basis using the current statutory federal tax rate.
(2) Net interest spread represents the average yield earned on interest-earning assets less the average rate incurred on interest-bearing liabilities.
(3) Net interest margin is computed by calculating the difference between interest income and expense, divided by the average balance of interest-earning assets. The net interest margin is greater than the net interest spread due to the benefit of noninterest-bearing demand deposits.

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Distribution of Assets, Liabilities & Shareholders’ Equity and Yields, Rates & Interest Margin

For the Three Months Ended December 31, 2017
Interest
Average Income/ Yields/
Balance Expense Rates
($ in thousands)
Assets
Investment securities:
Taxable $ 2,612,669 $ 13,861 2.12 %
Tax-exempt (1) 784,480 7,583 3.87 %
Total investments (1) 3,397,149 21,444 2.52 %
Loans:
Taxable 1,225,020 14,923 4.83 %
Tax-exempt (1) 60,728 748 4.89 %
Total loans (1) 1,285,748 15,671 4.84 %
Total interest-earning assets (1) 4,682,897 37,115 3.16 %
Other assets 851,803
Total assets $ 5,534,700
Liabilities and shareholders' equity
Deposits:
Noninterest-bearing demand $ 2,172,678 $ - - %
Savings and interest-bearing transaction 2,401,694 285 0.05 %
Time less than $100,000 129,917 75 0.23 %
Time $100,000 or more 106,746 101 0.38 %
Total interest-bearing deposits 2,638,357 461 0.07 %
Short-term borrowed funds 62,833 10 0.06 %
Total interest-bearing liabilities 2,701,190 471 0.07 %
Other liabilities 50,632
Shareholders' equity 610,200
Total liabilities and shareholders' equity $ 5,534,700
Net interest spread (1) (2) 3.09 %
Net interest and fee income and interest margin (1) (3) $ 36,644 3.12 %

(1) Amounts calculated on an FTE basis using the current statutory federal tax rate.
(2) Net interest spread represents the average yield earned on interest-earning assets less the average rate incurred on interest-bearing liabilities.
(3) Net interest margin is computed by calculating the difference between interest income and expense, divided by the average balance of interest-earning assets. The net interest margin is greater than the net interest spread due to the benefit of noninterest-bearing demand deposits.

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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 assets and liability balances (volume) and changes in average interest yields/rates for the periods indicated. Changes not solely attributable to volume or yields/rates have been allocated in proportion to the respective volume and yield/rate components.

Summary of Changes in Interest Income and Expense

For the Three Months Ended March 31, 2018
Compared with
For the Three Months Ended March 31, 2017
Volume Yield/Rate Total
(In thousands)
Increase (decrease) in interest and loan fee income:
Investment securities:
Taxable $ 1,377 $ 1,411 $ 2,788
Tax-exempt (1) (611 ) (1,514 ) (2,125 )
Total investments (1) 766 (103 ) 663
Loans:
Taxable (1,245 ) 225 (1,020 )
Tax-exempt (1) (78 ) (149 ) (227 )
Total loans (1) (1,323 ) 76 (1,247 )
Total decrease in interest and loan fee income (1) (557 ) (27 ) (584 )
Increase (decrease) in interest expense:
Deposits:
Savings and interest-bearing transaction 7 (5 ) 2
Time less than $100,000 (10 ) (2 ) (12 )
Time $100,000 or more (9 ) - (9 )
Total interest-bearing deposits (12 ) (7 ) (19 )
Short-term borrowed funds (1 ) (1 ) (2 )
Total decrease in interest expense (13 ) (8 ) (21 )
Decrease in net interest and loan fee income (1) $ (544 ) $ (19 ) $ (563 )

(1) Amounts calculated on an FTE basis using the current statutory federal tax rate.

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Summary of Changes in Interest Income and Expense

For the Three Months Ended March 31, 2018
Compared with
For the Three Months Ended December 31, 2017
Volume Yield/Rate Total
(In thousands)
Increase (decrease) in interest and loan fee income:
Investment securities:
Taxable $ 515 $ 559 $ 1,074
Tax-exempt (1) (142 ) (1,272 ) (1,414 )
Total investments (1) 373 (713 ) (340 )
Loans:
Taxable (751 ) 51 (700 )
Tax-exempt (1) (23 ) (126 ) (149 )
Total loans (1) (774 ) (75 ) (849 )
Total decrease in interest and loan fee income (1) (401 ) (788 ) (1,189 )
(Decrease) increase in interest expense:
Deposits:
Savings and interest-bearing transaction - (3 ) (3 )
Time less than $100,000 (4 ) - (4 )
Time $100,000 or more (5 ) 1 (4 )
Total interest-bearing deposits (9 ) (2 ) (11 )
Short-term borrowed funds - (1 ) (1 )
Total decrease in interest expense (9 ) (3 ) (12 )
Decrease in net interest and loan fee income (1) $ (392 ) $ (785 ) $ (1,177 )

(1) Amounts calculated on an FTE 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 debtors experiencing financial difficulties. The provision for loan losses reflects Management's assessment of credit risk in the loan portfolio during each of the periods presented.

The Company provided no provision for loan losses in the first quarter of 2018 and the first and fourth quarters of 2017. Classified loans declined $ 13.6 million during the period from March 31, 2017 to March 31, 2018. This development was reflected in Management’s evaluation of credit quality, the level of the provision for loan losses, and the adequacy of the allowance for loan losses at March 31, 2018. At March 31, 2018, the Company had $ 7.1 million in residential real estate secured loans which are indemnified from loss by the FDIC up to eighty percent of principal; the indemnification expires February 6, 2019 For further information regarding credit risk, the FDIC loss-sharing agreements, net credit losses and the allowance for loan losses, see the “Loan Portfolio Credit Risk” and “Allowance for Loan Losses” sections of this Report.

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Noninterest Income

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

For the Three Months Ended
March 31, December 31,
2018 2017 2017
(In thousands)
Service charges on deposit accounts $ 4,752 $ 4,923 $ 4,756
Merchant processing services 2,420 1,875 2,346
Debit card fees 1,605 1,481 1,569
Trust fees 743 702 739
ATM processing fees 664 575 696
Other service fees 631 650 620
Financial services commissions 114 195 155
Equity securities (losses) gains (36 ) - 7,955
Other noninterest income 1,062 1,256 1,464
Total $ 11,955 $ 11,657 $ 20,300

Noninterest income for the first quarter 2018 increased by $298 thousand from the same period in 2017. Merchant processing services fees increased $545 thousand primarily due to successful sales efforts and higher transaction volumes. Debit card fees increased $124 thousand mostly due to increased transaction volumes. Service charges on deposit accounts decreased $171 thousand due to lower fees for overdrafts and checking accounts.

In the first quarter 2018, noninterest income decreased $8.3 million compared with the fourth quarter 2017 primarily because the fourth quarter 2017 included $8.0 million in gains on sale of equity securities.

Noninterest Expense

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

For the Three Months Ended
March 31, December 31,
2018 2017 2017
(In thousands)
Salaries and related benefits $ 13,351 $ 13,070 $ 12,652
Occupancy and equipment 4,691 4,887 4,860
Outsourced data processing services 2,340 2,139 2,325
Professional fees 785 611 627
Amortization of identifiable intangibles 570 800 755
Courier service 463 421 423
Loss contingency - - 5,542
Impairment of tax credit investments - - 625
Other noninterest expense 2,014 2,687 2,358
Total $ 24,214 $ 24,615 $ 30,167

Noninterest expense decreased $401 thousand in the first quarter 2018 compared with the same period in 2017. Amortization of intangibles decreased $230 thousand as assets are amortized on a declining balance method. Other noninterest expense decreased $673 thousand primarily due to decreases in correspondent bank service charges and operational losses, partially offset by an increase in operating losses on limited partnership investments. Salaries and related benefits increased $281 thousand primarily due to higher employee benefit costs. Outsourced data processing services expense increased $201 thousand due to additional processing services.

In the first quarter 2018, noninterest expense decreased $6.0 million compared with the fourth quarter 2017 primarily because the fourth quarter 2017 included a $5.5 million loss contingency and a $625 thousand impairment charge on tax credit investments. Amortization of intangibles decreased $185 thousand as assets are amortized on a declining balance method. Other noninterest expense decreased $344 thousand primarily due to decreases in correspondent bank service charges. Salaries and related benefits increased $699 thousand primarily due to higher employee benefit costs.

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Provision for Income Tax

The Company’s first quarter 2018 income tax provision was $4.3 million compared with $19.7 million for the fourth quarter 2017 and $4.8 million for the first quarter 2017, representing effective tax rates of 19.7%, 82.6% and 24.3%, respectively. The book tax provisions for the first quarter 2018 and the first quarter 2017 include tax benefits of $451 thousand and $671 thousand, respectively, for tax deductions from the exercise of employee stock options which exceed related compensation expenses recognized in the financial statements; these benefits reduced the effective tax rate by 2.0% and 3.4%, respectively. The lower effective tax rate for the first quarter 2018 reflects a reduction in the federal corporate tax rate due to the Act. The book tax provision for the fourth quarter 2017 includes a charge of $12.3 million resulting from re-measurement of the Company’s net deferred tax asset triggered by enactment of the Act.

Investment Portfolio

The Company maintains an investment securities portfolio consisting of securities issued by U.S. Government sponsored entities, agency and non-agency mortgage backed securities, state and political subdivisions, corporations, and other securities.

Management has increased the investment securities portfolio in response to deposit growth and loan volume declines. The carrying value of the Company’s investment securities portfolio was $ 3.5 billion at March 31, 2018 and $3.4 billion at December 31, 2017.

Management continually evaluates the Company’s investment securities portfolio in response to established asset/liability management objectives, changing market conditions that could affect profitability, liquidity, and the level of interest rate risk to which the Company is exposed. These evaluations may cause Management to change the level of funds the Company deploys into investment securities and change the composition of the Company’s investment securities portfolio. In the first quarter 2018 corporate securities increased in order to improve yields without extending the duration of the bond portfolio.

At March 31, 2018, substantially all of the Company’s investment securities continue to be investment grade rated by one or more major rating agencies. In addition to monitoring credit rating agency evaluations, Management performs its own evaluations regarding the credit worthiness of the issuer or the securitized assets underlying asset-backed securities. The Company’s procedures for evaluating investments in securities are in accordance with guidance issued by the Board of Governors of the Federal Reserve System, “Investing in Securities without Reliance on Nationally Recognized Statistical Rating Agencies” (SR 12-15) and other regulatory guidance. There have been no significant differences in our internal analyses compared with the ratings assigned by the third party credit rating agencies.

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The following table summarizes total corporate securities by the industry sector in which the issuing companies operate:

At March 31, At December 31,
2018 2017
Market value As a percent of
total corporate
securities
Market value As a percent of
total corporate
securities
($ in thousands)
Basic materials $ 34,445 3 % $ 35,219 3 %
Communications 49,814 4 % 50,763 5 %
Consumer, cyclical 22,513 2 % 12,592 1 %
Consumer, non-cyclical 160,164 13 % 133,476 12 %
Financial 488,173 41 % 525,932 47 %
Industrial 165,052 14 % 129,989 12 %
Technology 109,670 9 % 71,708 6 %
Utilities 172,068 14 % 155,819 14 %
Total corporate securities $ 1,201,899 100 % $ 1,115,498 100 %

The following tables summarize the total general obligation and revenue bonds issued by states and political subdivisions held in the Company’s investment securities portfolios as of the dates indicated, identifying the state in which the issuing government municipality or agency operates.

At March 31, 2018, the Company’s investment securities portfolios included securities issued by 635 state and local government municipalities and agencies located within 44 states. None of the Company’s investment securities were issued by Puerto Rican government entities. The largest exposure to any one municipality or agency was $ 9.8 million (fair value) represented by nine general obligation bonds.

At March 31, 2018
Amortized Fair
Cost Value
(In thousands)
Obligations of states and political subdivisions:
General obligation bonds:
California $ 105,741 $ 106,722
Texas 63,630 63,202
New Jersey 38,023 37,999
Minnesota 29,819 29,831
Other (36 states) 287,885 286,822
Total general obligation bonds $ 525,098 $ 524,576
Revenue bonds:
California $ 38,822 $ 39,314
Kentucky 20,806 20,808
Iowa 17,287 17,184
Colorado 14,936 14,924
Washington 13,084 13,411
Indiana 12,890 12,884
Other (29 states) 126,564 126,578
Total revenue bonds $ 244,389 $ 245,103
Total obligations of states and political subdivisions $ 769,487 $ 769,679

At December 31, 2017, the Company’s investment securities portfolios included securities issued by 647 state and local government municipalities and agencies located within 44 states. None of the Company’s investment securities were issued by Puerto Rican government entities. The largest exposure to any one municipality or agency was $10.0 million (fair value) represented by nine general obligation bonds.

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At December 31, 2017
Amortized Fair
Cost Value
(In thousands)
Obligations of states and political subdivisions:
General obligation bonds:
California $ 104,330 $ 106,311
Texas 66,636 66,699
New Jersey 39,387 39,612
Minnesota 30,485 30,707
Other (36 states) 292,102 294,779
Total general obligation bonds $ 532,940 $ 538,108
Revenue bonds:
California $ 38,838 $ 39,660
Kentucky 21,731 21,958
Iowa 17,304 17,287
Colorado 14,956 15,086
Washington 13,506 13,963
Indiana 12,914 13,054
Other (29 states) 130,196 131,301
Total revenue bonds $ 249,445 $ 252,309
Total obligations of states and political subdivisions $ 782,385 $ 790,417

At March 31, 2018 and December 31, 2017, the revenue bonds in the Company’s investment securities portfolios were issued by state and local government municipalities and agencies to fund public services such as water utility, sewer utility, recreational and school facilities, and general public and economic improvements. The revenue bonds were payable from 22 revenue sources at March 31, 2018 and at December 31, 2017. The revenue sources that represent 5% or more individually of the total revenue bonds are summarized in the following tables.

At March 31, 2018
Amortized Fair
Cost Value
(In thousands)
Revenue bonds by revenue source:
Water $ 50,680 $ 51,374
Sales tax 30,212 30,497
Sewer 28,696 28,965
Lease (renewal) 19,090 19,097
College & University 17,179 16,938
Other (17 sources) 98,532 98,232
Total revenue bonds by revenue source $ 244,389 $ 245,103

At December 31, 2017
Amortized Fair
Cost Value
(In thousands)
Revenue bonds by revenue source:
Water $ 50,737 $ 51,854
Sewer 30,427 31,030
Sales tax 30,233 30,777
Lease (renewal) 20,007 20,235
College & University 17,230 17,087
Other (17 sources) 100,811 101,326
Total revenue bonds by revenue source $ 249,445 $ 252,309

See Note 3 to the unaudited consolidated financial statements for additional information related to the investment securities.

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Loan Portfolio Credit Risk

The Company extends loans to commercial and consumer customers which expose the Company to the risk borrowers will default, causing loan losses. The Company’s lending activities are exposed to various qualitative risks. All loan segments are exposed to risks inherent in the economy and market conditions. Significant risk characteristics related to the commercial loan segment include the borrowers’ business performance and financial condition, and the value of collateral for secured loans. Significant risk characteristics related to the commercial real estate segment include the borrowers’ business performance and the value of properties collateralizing the loans. Significant risk characteristics related to the construction loan segment include the borrowers’ performance in successfully developing the real estate into the intended purpose and the value of the property collateralizing the loans. Significant risk characteristics related to the residential real estate segment include the borrowers’ financial wherewithal to service the mortgages and the value of the property collateralizing the loans. Significant risk characteristics related to the consumer loan segment include the financial condition of the borrowers and the value of collateral securing the loans.

The preparation of the financial statements requires Management to estimate the amount of losses inherent in the loan portfolio and establish an allowance for credit losses. The allowance for credit losses is maintained by assessing or reversing a provision for loan losses through the Company’s earnings. In estimating credit losses, Management must exercise judgment in evaluating information deemed relevant, such as financial information regarding individual borrowers, overall credit loss experience, the amount of past due, nonperforming and classified loans, recommendations of regulatory authorities, prevailing economic conditions and other information. The amount of ultimate losses on the loan portfolio can vary from the estimated amounts. Management follows a systematic methodology to estimate loss potential in an effort to reduce the differences between estimated and actual losses.

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 functions. 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 audit committee of the Board of Directors. The Loan Review Department performs independent evaluations of loans to challenge the credit risk grades assigned by Management 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 classified loans on nonaccrual status when full collection of contractual interest and principal payments is in doubt. Uncollected interest previously accrued on loans placed on nonaccrual status is reversed as a charge against interest income. The Company does not accrue interest income on loans following placement on nonaccrual status. 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. “Nonperforming assets” include nonaccrual loans, loans 90 or more days past due and still accruing, and repossessed loan collateral (commonly referred to as “Other Real Estate Owned”).

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Nonperforming Assets

At March 31, At December 31,
2018 2017 2017
(In thousands)
Nonperforming nonaccrual loans $ 2,030 $ 2,382 $ 1,641
Performing nonaccrual loans 4,110 4,285 4,285
Total nonaccrual loans 6,140 6,667 5,926
Accruing loans 90 or more days past due 255 373 531
Total nonperforming loans 6,395 7,040 6,457
Other real estate owned 1,376 2,136 1,426
Total nonperforming assets $ 7,771 $ 9,176 $ 7,883

Nonperforming assets have declined during 2017 and the first quarter 2018 due to payoffs, chargeoffs and sale of Other Real Estate Owned. At March 31, 2018, one loan secured by commercial real estate with a balance of $ 4.1 million was on nonaccrual status. The remaining six nonaccrual loans held at March 31, 2018 had an average carrying value of $ 338 thousand and the largest carrying value was $ 1.0 million.

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.

Allowance for Credit Losses

The Company’s allowance for loan losses represents Management’s estimate of loan 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 received 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.

The following table summarizes the allowance for loan losses, chargeoffs and recoveries for the periods indicated:

For the Three Months Ended
March 31, December 31,
2018 2017 2017
(In thousands)
Analysis of the Allowance for Loan Losses
Balance, beginning of period $ 23,009 $ 25,954 $ 23,628
Provision (reversal) for loan losses - - -
Loans charged off
Commercial (41 ) (103 ) -
Consumer installment and other (1,365 ) (1,739 ) (1,174 )
Total chargeoffs (1,406 ) (1,842 ) (1,174 )
Recoveries of loans previously charged off
Commercial 829 160 136
Commercial real estate - 10 -
Consumer installment and other 649 637 419
Total recoveries 1,478 807 555
Net loan recoveries (losses) 72 (1,035 ) (619 )
Balance, end of period $ 23,081 $ 24,919 $ 23,009
Net loan (recoveries) losses as a percentage of average total loans (annualized) (0.02 )% 0.31 % 0.19 %

The Company's allowance for loan 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 loan loss experience, the amount of past due, nonperforming and classified loans, recommendations of regulatory authorities, prevailing economic conditions and other factors. A portion of the allowance is individually allocated to impaired loans whose full collectability of principal is uncertain. Such allocations are determined by Management based on loan-by-loan analyses. The Company evaluates for impairment all loans with outstanding principal balances in excess of $500 thousand which are classified or on nonaccrual status and all “troubled debt restructured” loans. The remainder of the loan portfolio is collectively evaluated for impairment based in part on quantitative analyses of historical loan loss experience of loan portfolio segments to determine standard loss rates for each segment. The loss rate for each loan portfolio segment reflects both the historical loss experience during a look-back period and a loss emergence period. Liquidating purchased consumer installment loans are evaluated separately by applying historical loss rates to forecasted liquidating principal balances to measure losses inherent in this portfolio segment. The loss rates are applied to segmented loan balances to allocate the allowance to the segments of the loan portfolio.

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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. The unallocated allowance 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 primary external factor evaluated by the Company and the judgmental amount of unallocated reserve assigned by Management as of March 31, 2018 is economic and business conditions $ 0.7 million. 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 and the judgmental amount of unallocated reserve assigned by Management are: loan review system $ 1.0 million, adequacy of lending Management and staff $ 0.9 million and concentrations of credit $ 1.3 million.

Allowance for Loan Losses
For the Three Months Ended March 31, 2018
Consumer
Commercial Residential Installment
Commercial Real Estate Construction Real Estate and Other Unallocated Total
(In thousands)
Allowance for loan losses:
Balance at beginning of period $ 7,746 $ 3,849 $ 335 $ 995 $ 6,418 $ 3,666 $ 23,009
Additions:
(Reversal) provision (17 ) (25 ) (160 ) (87 ) 37 252 -
Deductions:
Chargeoffs (41 ) - - - (1,365 ) - (1,406 )
Recoveries 829 - - - 649 - 1,478
Net loan recoveries (losses) 788 - - - (716 ) - 72
Total allowance for loan losses $ 8,517 $ 3,824 $ 175 $ 908 $ 5,739 $ 3,918 $ 23,081

Allowance for Loan Losses and Recorded Investment in Loans Evaluated for Impairment
At March 31, 2018
Commercial Commercial Real Estate Construction Residential Real Estate Consumer Installment and Other Unallocated Total
(In thousands)
Allowance for loan losses:
Individually evaluated for impairment $ 4,777 $ 214 $ - $ - $ - $ - $ 4,991
Collectively evaluated for impairment 3,740 3,610 175 908 5,739 3,918 18,090
Purchased loans with evidence of credit deterioration - - - - - - -
Total $ 8,517 $ 3,824 $ 175 $ 908 $ 5,739 $ 3,918 $ 23,081
Carrying value of loans:
Individually evaluated for impairment $ 10,513 $ 11,393 $ - $ 206 $ - $ - $ 22,112
Collectively evaluated for impairment 296,432 541,327 2,941 59,278 305,705 - 1,205,683
Purchased loans with evidence of credit deterioration 33 598 - - 158 - 789
Total $ 306,978 $ 553,318 $ 2,941 $ 59,484 $ 305,863 $ - $ 1,228,584

The portion of the allowance for loan losses ascribed to loan segments declined from March 31, 2017 to March 31, 2018 due to declines in classified loans, delinquent loans, and the overall loan portfolio. The decline in the unallocated portion was due to improved economic conditions within the Company’s geographic markets and credit quality metrics.

Management considers the $ 23.1 million allowance for loan losses to be adequate as a reserve against loan losses inherent in the loan portfolio as of March 31, 2018.

See Note 4 to the unaudited consolidated financial statements for additional information related to the loan portfolio, loan portfolio credit risk, and allowance for loan losses.

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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. Many factors affect the Company’s exposure to interest rates, such as general economic and financial conditions, customer preferences, historical pricing relationships, and re-pricing characteristics of financial instruments. Assets and liabilities may mature or re-price at different times. Assets and liabilities may re-price 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, the changing levels of 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.

The Company’s earnings are affected not only by general economic conditions, but also by the monetary and fiscal policies of the United States government and its agencies, particularly the Federal Open Market Committee (the “FOMC”). The monetary policies of the FOMC can influence the overall growth of loans, investment securities, and deposits and the level of interest rates earned on assets and paid for liabilities. The nature and impact of future changes in monetary policies are generally not predictable.

Management’s most likely earnings forecast for the twelve months ending March 31, 2019 assumes market interest rates will gradually rise, with short-term rates rising more than long-term rates.

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. 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 was slightly “asset sensitive” at March 31, 2018, depending on the interest rate assumptions applied to the simulation model employed by Management to measure interest rate risk. An “asset sensitive” position results in a slightly larger change in interest income than in interest expense resulting from application of assumed interest rate changes. 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. 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.

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.

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 affects the level of the Company's shareholders' equity, cash flows and shares outstanding. 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 and potentially adding volatility to the book tax provision. 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.

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Market Risk - Other

Market values of loan collateral can directly impact the level of loan chargeoffs and the provision for loan losses. The financial condition and liquidity of debtors issuing bonds and debtors whose mortgages or other obligations are securitized can directly impact the credit quality of the Company’s investment securities portfolio requiring the Company to recognize other than temporary impairment charges. Other types of market risk, such as foreign currency exchange risk, are not significant in the normal course of the Company's business activities.

Liquidity and Funding

The objective of liquidity management is to manage cash flow and liquidity reserves so that they are adequate to fund the Company's operations and meet obligations and other commitments on a timely basis and at a reasonable cost. The Company achieves this objective through the selection of asset and liability maturity mixes that it believes best meet its needs. The Company's liquidity position is enhanced by its ability to raise additional funds as needed in the wholesale markets.

In recent years, the Company's deposit base has provided the majority of the Company's funding requirements. This relatively stable and low-cost source of funds, along with shareholders' equity, provided 98 percent of funding for average total assets in the first quarter 2018 and in 2017. The stability of the Company’s funding from customer deposits is in part reliant on the confidence clients have in the Company. The Company places a very high priority in maintaining this confidence through conservative credit and capital management practices and by maintaining an appropriate level of liquidity reserves.

Liquidity is further provided by assets such as balances held at the Federal Reserve Bank, investment securities, and amortizing loans. The Company's investment securities portfolio provides a substantial secondary liquidity reserve. The Company held $ 3.5 billion in total investment securities at March 31, 2018. Under certain deposit, borrowing and other arrangements, the Company must hold and pledge investment securities as collateral. At March 31, 2018, such collateral requirements totaled approximately $ 696 million.

Liquidity risk can result from the mismatching of asset and liability cash flows, or from disruptions in the financial markets. The Company performs liquidity stress tests on a periodic basis to evaluate the sustainability of its liquidity. Under the stress testing, the Company assumes outflows of funds increase beyond expected levels. Measurement of such heightened outflows considers the composition of the Company’s deposit base, including any concentration of deposits, non-deposit funding such as short-term borrowings, and unfunded lending commitments. The Company evaluates its stock of highly liquid assets to meet the assumed higher levels of outflows. Highly liquid assets include cash and amounts due from other banks from daily transaction settlements, reduced by branch cash needs and Federal Reserve Bank reserve requirements, and investment securities based on regulatory risk-weighting guidelines. Based on the results of the most recent liquidity stress test, Management is satisfied with the liquidity condition of the Bank and the Company. However, no assurance can be given the Bank or Company will not experience a period of reduced liquidity.

Management continually monitors the Company’s cash levels. Loan demand from credit worthy borrowers will be dictated by economic and competitive conditions. 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 these 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. The Company does not aggressively solicit higher-costing time deposits; as a result, Management anticipates such deposits will decline. Changes in interest rates, most notably rising interest rates, could impact deposit volumes. Depending on economic conditions, interest rate levels, liquidity management and a variety of other conditions, deposit growth may be used to fund loans or purchase investment securities. However, due to possible volatility in economic conditions, 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 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 any outstanding debt. The Parent Company currently has no debt. Substantially all of the Parent Company's revenues are obtained from subsidiary dividends and service fees.

The Bank’s dividends paid to the Parent Company, proceeds from the exercise of stock options, and Parent Company cash balances provided adequate cash for the Parent Company to pay shareholder dividends of $ 11 million in the first quarter 2018 and $41 million in 2017, and retire common stock in the amount of $ -0- in the first quarter 2018 and $314 thousand in 2017. Payment of dividends to the Parent Company by the Bank is limited under California and Federal laws. The Company believes these regulatory dividend restrictions will not have an impact on the Parent Company's ability to meet its ongoing cash obligations.

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Capital Resources

The Company has historically generated high levels of earnings, which provide a means of accumulating capital. The Company's net income as a percentage of average shareholders' equity (“return on equity” or “ROE”) has been 11.6 % in the first quarter 2018 and 8.4% in 2017. The Company also raises capital as employees exercise stock options. Capital raised through the exercise of stock options was $ 8 million in the first quarter 2018 and $25 million in 2017.

The Company paid common dividends totaling $ 11 million in the first quarter 2018 and $41 million in 2017, which represent dividends per common share of $ 0.40 and $1.57, respectively. The Company's earnings have historically exceeded dividends paid to shareholders. The amount of earnings in excess of dividends provides the Company resources to finance growth and maintain appropriate levels of shareholders' equity. In the absence of profitable growth opportunities, the Company has at times repurchased and retired its common stock as another means to return earnings to shareholders. The Company repurchased and retired -0- shares in the first quarter 2018 and 6 thousand shares valued at $314 thousand in 2017.

The Company's primary capital resource is shareholders' equity, which was $ 582 million at March 31, 2018 compared with $590 million at December 31, 2017. The Company's ratio of equity to total assets was 10.49 % at March 31, 2018 and 10.71% at December 31, 2017.

The Company performs capital stress tests on a periodic basis to evaluate the sustainability of its capital. Under the stress testing, the Company assumes various scenarios such as deteriorating economic and operating conditions, unanticipated asset devaluations, and significant operational lapses. The Company measures the impact of these scenarios on its earnings and capital. Based on the results of the most recent stress tests, Management is satisfied with the capital condition of the Bank and the Company. However, no assurance can be given the Bank or Company will not experience a period of reduced earnings or a reduction in capital from unanticipated events and circumstances.

Capital to Risk-Adjusted Assets

On July 2, 2013, the Federal Reserve Board approved a final rule that implements changes to the regulatory capital framework for all banking organizations. The rule’s provisions which most affected the regulatory capital requirements of the Company and the Bank:

Introduced a new “Common Equity Tier 1” capital measurement,
Established higher minimum levels of capital,
Introduced a “capital conservation buffer,”
Increased the risk-weighting of certain assets, and
Established limits on the amount of deferred tax assets with any excess treated as a deduction from Tier 1 capital.

Under the final rule, a banking organization that is not subject to the “advanced approaches rule” may make a one-time election not to include most elements of Accumulated Other Comprehensive Income, including net-of-tax unrealized gains and losses on available for sale investment securities, in regulatory capital. Neither the Company nor the Bank is subject to the “advanced approaches rule” and both made the election not to include most elements of Accumulated Other Comprehensive Income in regulatory capital.

Banking organizations that are not subject to the “advanced approaches rule” began complying with the final rule on January 1, 2015; on such date, the Company and the Bank became subject to the revised definitions of regulatory capital, the new minimum regulatory capital ratios, and various regulatory capital adjustments and deductions according to transition provisions and timelines. All banking organizations began calculating standardized total risk-weighted assets on January 1, 2015. The transition period for the capital conservation buffer for all banking organizations began on January 1, 2016 and will end January 1, 2019. Any bank subject to the rule which is unable to maintain its “capital conservation buffer” will be restricted in the payment of discretionary executive compensation and shareholder distributions, such as dividends and share repurchases.

The final rule did not supersede provisions of the Federal Deposit Insurance Corporation Improvement Act (FDICIA) requiring federal banking agencies to take prompt corrective action (PCA) to resolve problems of insured depository institutions. The final rule revised the PCA thresholds to incorporate the higher minimum levels of capital, including the “common equity tier 1” ratio.

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The capital ratios for the Company and the Bank under the new capital framework are presented in the tables below, on the dates indicated.

To Be
Required for Well-capitalized
Capital Adequacy Purposes Under Prompt
At March 31, 2018 Effective Effective Corrective Action
Company Bank January 1, 2018 January 1, 2019 Regulations (Bank)
Common Equity Tier I Capital 15.72 % 12.97 % 6.375 % (1) 7.00 % (2) 6.50 %
Tier I Capital 15.72 % 12.97 % 7.875 % (1) 8.50 % (2) 8.00 %
Total Capital 16.53 % 13.98 % 9.875 % (1) 10.50 % (2) 10.00 %
Leverage Ratio 9.12 % 7.48 % 4.000 % 4.00 % 5.00 %

(1) Includes 1.875% capital conservation buffer.
(2) Includes 2.5% capital conservation buffer.

To Be
Required for Well-capitalized
Capital Adequacy Purposes Under Prompt
At December 31, 2017 Effective Effective Corrective Action
Company Bank January 1, 2017 January 1, 2019 Regulations (Bank)
Common Equity Tier I Capital 15.36 % 12.50 % 5.75 % (3) 7.00 % (4) 6.50 %
Tier I Capital 15.36 % 12.50 % 7.25 % (3) 8.50 % (4) 8.00 %
Total Capital 16.17 % 13.52 % 9.25 % (3) 10.50 % (4) 10.00 %
Leverage Ratio 8.86 % 7.16 % 4.00 % 4.00 % 5.00 %

(3) Includes 1.25% capital conservation buffer.
(4) Includes 2.5% capital conservation buffer.

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 highest effective regulatory 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 permitted with the approval of the Company’s Board of Directors.

Credit risk and interest rate risk are the most significant market risks affecting the Company, and equity price risk can also affect the Company’s financial results. These risks are described in the preceding sections regarding “Loan Portfolio Credit Risk,” and “Asset/Liability and Market Risk Management.” 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.

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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 March 31, 2018.

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 material information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported as and when required and that such information is communicated to the Company’s management, including the principal executive officer and the principal financial officer, to allow for timely decisions regarding required disclosures. The evaluation did not identify any change in the Company’s internal control over financial reporting that occurred during the quarter ended March 31, 2018 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

Neither the Company nor any of its subsidiaries is a party to any material pending legal proceeding, nor is their property the subject of any material pending legal proceeding, other than ordinary routine legal proceedings arising in the ordinary course of the Company’s business. None of these proceedings is expected to have a material adverse impact upon the Company’s business, financial position or results of operations.

Item 1A. Risk Factors

The Company’s Form 10-K as of December 31, 2017 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

(c) Issuer Purchases of Equity Securities

The table below sets forth the information with respect to purchases made by or on behalf of Westamerica Bancorporation 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 March 31, 2018 (in thousands, except per share data).

2018
Period (a) Total Number of
shares Purchased
(b) Average Price Paid
per Share
(c) Number of Shares
Purchased as Part of
Publicly Announced
Plans or Programs
(d) Maximum Number
of Shares that May
Yet Be Purchased
Under the Plans
or Programs
(In thousands, except price paid)
January 1 through January 31 - $ - - 1,750
February 1 through February 28 - - - 1,750
March 1 through March 31 - - - 1,750
Total - $ - - 1,750

The Company repurchases shares of its common stock in the open market on a discretionary basis 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 under stock option plans, and other ongoing requirements.

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No shares were repurchased during the period from January 1, 2018 through March 31, 2018. A program approved by the Board of Directors on July 27, 2017 authorizes the purchase of up to 1,750 thousand shares of the Company’s common stock from time to time prior to September 1, 2018.

Item 3. Defaults upon Senior Securities

None

Item 4. Mine Safety Disclosures

Not applicable.

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 thereunto duly authorized.

WESTAMERICA BANCORPORATION

(Registrant)

/s/ JOHN "ROBERT" THORSON

John "Robert" Thorson

Senior Vice President and Chief Financial Officer

(Principal Financial and Chief Accounting Officer)

Date: May 4, 2018

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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

Exhibit 101.INS: XBRL Instance Document

Exhibit 101.SCH: XBRL Taxonomy Extension Schema Document

Exhibit 101.CAL: XBRL Taxonomy Extension Calculation Linkbase Document

Exhibit 101.DEF: XBRL Taxonomy Extension Definitions Linkbase Document

Exhibit 101.LAB: XBRL Taxonomy Extension Label Linkbase Document

Exhibit 101.PRE: XBRL Taxonomy Extension Presentation Linkbase Document

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