##### Table of Contents



U.S. SECURITIES AND EXCHANGE COMMISSION
 Washington, D.C. 20549
 FORM 10-Q
 þ
    
    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES AND EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2006
 o
    
    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934o
    
    For the transition period from  to  .
 Commission file number: 000-14209
 FIRSTBANK CORPORATION
  Michigan
    
    38-2633910(State of Incorporation)
    
    (I.R.S. Employer Identification No.)
 311 Woodworth Avenue
Alma, Michigan
(Address of principal executive offices)
    
    48801
(Zip Code)
     o þ
 o þ
 þ o
 o
  o þ o
 o þ




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##### 



PART I. FINANCIAL INFORMATIONItem 1. Financial Statements (UNAUDITED)
    
    Page  3Item 2. Managements Discussion and Analysis of Financial Condition
and Results of Operations
    
    Page 11Item 3. Quantitative and Qualitative Disclosures about Market Risk
    
    Page  15Item 4. Controls and Procedures
    
    Page  16PART II. OTHER INFORMATIONItem  2. Changes in Securities, Use of Proceeds and Issuer
Purchases of Equity Securities
    
    Page 17Item 4. Submission of Matters to a Vote of Security Holders
    
    Page 17Item 5. Other Information
    
    Page  17Item 6. Exhibits
    
    Page  18SIGNATURES
    
    Page  19EXHIBIT INDEX
    
    Page  20Form of Stock Option Agreement 2006 Stock Compensation PlanForm of Restricted Stock Agreement 2006 Stock Compensation PlanCertificate of the Chief Executive Officer to Section 302Certificate of the Chief Financial Officer to Section 302Certificate of the CEO anf CFO to Section 906
  2




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##### Table of Contents



(Dollars in thousands)
 June 30,
    
    
    December 31,2006
    
    
    2005ASSETSCash and due from banks
    
    $
    30,065
    
    
    $
    36,037Short term investments
    
    
    4,141
    
    
    
    17,295Total Cash and Cash Equivalents
    
    
    34,206
    
    
    
    53,332Securities available for sale
    
    
    68,916
    
    
    
    73,811Federal Home Loan Bank stock
    
    
    6,506
    
    
    
    6,309Loans held for sale
    
    
    468
    
    
    
    293Loans, net of allowance for loan losses of $11,621 at June 30, 2006
and $11,559 at December 31, 2005
    
    
    900,075
    
    
    
    867,065Premises and equipment, net
    
    
    19,992
    
    
    
    19,477Acquisition goodwill
    
    
    19,888
    
    
    
    19,888Other intangibles
    
    
    3,374
    
    
    
    3,710Accrued interest receivable and other assets
    
    
    18,230
    
    
    
    17,233TOTAL ASSETS
    
    $
    1,071,655
    
    
    $
    1,061,118LIABILITIES AND SHAREHOLDERS EQUITYLIABILITIESDeposits:Noninterest bearing accounts
    
    $
    130,940
    
    
    $
    130,556Interest bearing accounts:Demand
    
    
    163,988
    
    
    
    187,398Savings
    
    
    134,691
    
    
    
    133,584Time
    
    
    380,686
    
    
    
    359,567Total Deposits
    
    
    810,305
    
    
    
    811,105Securities sold under agreements to repurchase and overnight borrowings
    
    
    40,452
    
    
    
    43,311Federal Home Loan Bank advances
    
    
    91,633
    
    
    
    83,044Notes Payable
    
    
    73
    
    
    
    7,590Subordinated Debentures
    
    
    20,620
    
    
    
    10,310Accrued interest and other liabilities
    
    
    13,033
    
    
    
    12,181Total Liabilities
    
    
    976,116
    
    
    
    967,541SHAREHOLDERS EQUITYPreferred stock; no par value, 300,000 shares authorized, none issued
Common Stock; 20,000,000 shares authorized, 6,266,038 shares issued
and outstanding ( 6,278,035 at December 31, 2005)
    
    
    87,276
    
    
    
    87,634Retained earnings
    
    
    8,734
    
    
    
    6,198Accumulated other comprehensive income/(loss)
    
    
    (471
    )
    
    
    (255
    )Total Shareholders Equity
    
    
    95,539
    
    
    
    93,577TOTAL LIABILITIES AND SHAREHOLDERS EQUITY
    
    $
    1,071,655
    
    
    $
    1,061,118
 See notes to consolidated financial statements.
 3




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##### Table of Contents



(Dollars in thousands except per share data)
 Three Months Ended June 30,2006
    
    
    2005Interest Income:Interest and fees on loans
    
    $
    16,688
    
    
    $
    11,353SecuritiesTaxable
    
    
    540
    
    
    
    504Exempt from Federal Income Tax
    
    
    241
    
    
    
    231Short term investments
    
    
    76
    
    
    
    30Total Interest Income
    
    
    17,545
    
    
    
    12,118Interest Expense:Deposits
    
    
    5,463
    
    
    
    2,617FHLB advances and other
    
    
    1,608
    
    
    
    1,105Subordinated Debt
    
    
    349
    
    
    
    132Total Interest Expense
    
    
    7,420
    
    
    
    3,854Net Interest Income
    
    
    10,125
    
    
    
    8,264Provision for loan losses
    
    
    200
    
    
    
    73Net Interest Income after provision for loan losses
    
    
    9,925
    
    
    
    8,191Noninterest Income:Gain on sale of mortgage loans
    
    
    362
    
    
    
    431Service charges on deposit accounts
    
    
    1,016
    
    
    
    783Gain on sale of securities
    
    
    1
    
    
    
    17Mortgage servicing, net of amortization
    
    
    120
    
    
    
    30Other
    
    
    1,499
    
    
    
    1,336Total Noninterest Income
    
    
    2,998
    
    
    
    2,597Noninterest Expense:Salaries and employee benefits
    
    
    4,627
    
    
    
    3,836Occupancy and equipment
    
    
    1,231
    
    
    
    969Amortization of intangibles
    
    
    168
    
    
    
    75Other
    
    
    2,718
    
    
    
    2,214Total Noninterest Expense
    
    
    8,744
    
    
    
    7,094Income before federal income taxes
    
    
    4,179
    
    
    
    3,694Federal income taxes
    
    
    1,280
    
    
    
    1,186NET INCOME
    
    $
    2,899
    
    
    $
    2,508Comprehensive Income
    
    $
    2,807
    
    
    $
    2,703Basic Earnings Per Share
    
    $
    0.46
    
    
    $
    0.45Diluted Earnings Per Share
    
    $
    0.46
    
    
    $
    0.44Dividends Per Share
    
    $
    0.225
    
    
    $
    0.210
 See notes to consolidated financial statements.
 4




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(Dollars in thousands except per share data)
 Six Months Ended June 30,2006
    
    
    2005Interest Income:Interest and fees on loans
    
    $
    32,531
    
    
    $
    22,200SecuritiesTaxable
    
    
    1,053
    
    
    
    962Exempt from Federal Income Tax
    
    
    489
    
    
    
    479Short term investments
    
    
    187
    
    
    
    64Total Interest Income
    
    
    34,260
    
    
    
    23,705Interest Expense:Deposits
    
    
    10,407
    
    
    
    4,860FHLB advances and other
    
    
    3,141
    
    
    
    2,181Subordinated Debt
    
    
    646
    
    
    
    252Total Interest Expense
    
    
    14,194
    
    
    
    7,293Net Interest Income
    
    
    20,066
    
    
    
    16,412Provision for loan losses
    
    
    385
    
    
    
    81Net Interest Income after provision for loan losses
    
    
    19,681
    
    
    
    16,331Noninterest Income:Gain on sale of mortgage loans
    
    
    610
    
    
    
    886Service charges on deposit accounts
    
    
    1,938
    
    
    
    1,503Gain on sale of securities
    
    
    7
    
    
    
    29Mortgage servicing, net of amortization
    
    
    204
    
    
    
    78Other
    
    
    2,522
    
    
    
    2,314Total Noninterest Income
    
    
    5,281
    
    
    
    4,810Noninterest Expense:Salaries and employee benefits
    
    
    9,185
    
    
    
    7,723Occupancy and equipment
    
    
    2,503
    
    
    
    1,985Amortization of intangibles
    
    
    336
    
    
    
    151Other
    
    
    5,211
    
    
    
    4,451Total Noninterest Expense
    
    
    17,235
    
    
    
    14,310Income before federal income taxes
    
    
    7,727
    
    
    
    6,831Federal income taxes
    
    
    2,404
    
    
    
    2,186NET INCOME
    
    $
    5,323
    
    
    $
    4,645Comprehensive Income
    
    $
    5,107
    
    
    $
    4,410Basic Earnings Per Share
    
    $
    0.85
    
    
    $
    0.83Diluted Earnings Per Share
    
    $
    0.84
    
    
    $
    0.81Dividends Per Share
    
    $
    0.445
    
    
    $
    0.410
 See notes to consolidated financial statements.
 5




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(Dollars in thousands)
 Six months ended June 30,2006
    
    
    2005OPERATING ACTIVITIESNet income
    
    $
    5,323
    
    
    $
    4,645Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses
    
    
    385
    
    
    
    81Depreciation of premises and equipment
    
    
    1,228
    
    
    
    976Loss on sale of fixed assets
    
    
    8
    
    
    
    0Net amortization of security premiums/discounts
    
    
    44
    
    
    
    82Gain on sale of securities
    
    
    (7
    )
    
    
    (29
    )Amortization of intangibles
    
    
    336
    
    
    
    151Stock option and stock grant compensation expense
    
    
    121
    
    
    
    0Gain on sale of mortgage loans
    
    
    (610
    )
    
    
    (886
    )Proceeds from sales of mortgage loans
    
    
    26,496
    
    
    
    40,396Loans originated for sale
    
    
    (26,061
    )
    
    
    (39,074
    )Increase in accrued interest receivable and other assets
    
    
    (886
    )
    
    
    539Increase in accrued interest payable and other liabilities
    
    
    852
    
    
    
    1,308NET CASH PROVIDED BY OPERATING ACTIVITIES
    
    
    7,229
    
    
    
    8,192INVESTING ACTIVITIESProceeds from sale of securities available for sale
    
    
    0
    
    
    
    66Proceeds from maturities and calls of securities available for sale
    
    
    17,051
    
    
    
    7,168Purchases of securities available for sale
    
    
    (12,520
    )
    
    
    (12,971
    )Purchases of FHLB stock
    
    
    (197
    )
    
    
    (208
    )Net increase in portfolio loans
    
    
    (33,395
    )
    
    
    (15,039
    )Net purchases of premises and equipment
    
    
    (1,751
    )
    
    
    (444
    )NET CASH USED IN INVESTING ACTIVITIES
    
    
    (30,812
    )
    
    
    (21,428
    )FINANCING ACTIVITIESNet increase/(decrease) in deposits
    
    
    (800
    )
    
    
    20,587Decrease in
securities sold under agreements to repurchase and other short term borrowings
    
    
    (2,859
    )
    
    
    (4,726
    )Repayment of notes payable and other borrowings
    
    
    (7,517
    )
    
    
    (20
    )Repayment of Federal Home Loan Bank borrowings
    
    
    (5,131
    )
    
    
    (3,354
    )Proceeds from Federal Home Loan Bank borrowings
    
    
    13,720
    
    
    
    8,200Proceeds from subordinated debentures
    
    
    10,310
    
    
    
    0Cash proceeds from issuance of common stock
    
    
    1,437
    
    
    
    1,454Purchase of common stock
    
    
    (1,916
    )
    
    
    (1,015
    )Cash dividends
    
    
    (2,787
    )
    
    
    (2,295
    )NET CASH PROVIDED BY FINANCING ACTIVITIES
    
    
    4,457
    
    
    
    18,831INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS
    
    
    (19,126
    )
    
    
    5,595Cash and cash equivalents at beginning of period
    
    
    53,332
    
    
    
    25,772CASH AND CASH EQUIVALENTS AT END OF PERIOD
    
    $
    34,206
    
    
    $
    31,367Supplemental DisclosureInterest Paid
    
    $
    13,705
    
    
    $
    7,003Income Taxes Paid
    
    $
    2,525
    
    
    $
    1,225
 See notes to consolidated financial statements.
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st st st
 Stock Compensation
   Statement of Financial Accounting Standards No. 123R
 Statement of Financial Accounting Standards No. 123R -
Share based Payments Accounting
for Stock-Based Compensation.
 7




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##### Table of Contents



Six months ended June 30, 2006Total options outstandingWeighted
    
    WeightedAverage
    
    Average FairShares
    
    Exercise Price
    
    ValueOptions outstanding, beginning of period
    
    
    448,568
    
    
    $
    20.23
    
    
    $
    2.86Granted
    
    
    0
    
    
    
    
    
    
    
    Exercised
    
    
    (22,737
    )
    
    $
    14.36
    
    
    $
    8.73Forfeited
    
    
    (2,885
    )
    
    $
    25.93
    
    
    
    Options outstanding, end of period
    
    
    422,946
    
    
    $
    20.50
    
    
    $
    2.59Options exercisable, end of period
    
    
    275,366
    
    
    $
    18.58
    
    
    $
    4.51
   Six months ended June 30,(dollars in thousands)
    
    2006
    
    2005Proceeds of options exercised
    
    $
    327
    
    
    $
    406Related tax benefit recognized
    
    $
    111
    
    
    $
    138Intrinsic value of options exercised
    
    $
    198
    
    
    $
    306
  Options outstanding
    
    
    ExercisableWeighted
    
    
    Weighted
    
    
    
    
    
    
    WeightedAverage
    
    
    Average
    
    
    
    
    
    
    AverageExercise
    
    
    Contractual
    
    
    
    
    
    
    ExerciseRange of exercise prices
    
    Shares
    
    
    Price
    
    
    Life (years)
    
    
    Shares
    
    
    Price$4.92    $12.00
    
    
    10,028
    
    
    $
    9.87
    
    
    
    0.60
    
    
    
    10,028
    
    
    $
    9.87$12.01  $16.00
    
    
    119,819
    
    
    $
    14.63
    
    
    
    3.82
    
    
    
    112,066
    
    
    $
    14.66$16.01  $21.00
    
    
    69,652
    
    
    $
    18.76
    
    
    
    5.36
    
    
    
    53,516
    
    
    $
    18.34$21.01    27.49
    
    
    223,447
    
    
    $
    24.68
    
    
    
    6.98
    
    
    
    99,756
    
    
    $
    23.99Total
    
    
    422,946
    
    
    $
    20.50
    
    
    
    5.67
    
    
    
    275,366
    
    
    $
    18.58
 Accounting for
Stock-Based Compensation.
 Periods ended June 30, 2005(Dollars in thousands except per share data)
    
    Three months
    
    
    Six monthsNet Income as Reported
    
    $
    2,508
    
    
    $
    4,645Less: Value Determined Under Fair Value Based Method
(net of taxes)
    
    
    47
    
    
    
    93Amount Expensed in the Period (net of taxes)
    
    
    0
    
    
    
    0Pro Forma Net Income
    
    $
    2,461
    
    
    $
    4,552Basic Earnings per Share as Reported
    
    $
    0.45
    
    
    $
    0.83Pro Forma Basic Earnings per Share
    
    $
    0.44
    
    
    $
    0.81Diluted Earnings per Share as Reported
    
    $
    0.44
    
    
    $
    0.82Pro Forma Diluted Earnings per Share
    
    $
    0.43
    
    
    $
    0.80
 8




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Newly Issued, Not Yet Effective Accounting Standard
   Nonperforming Loans and Assets
   June 30,
    
    
    December 31,2006
    
    
    2005Nonperforming loans:Nonaccrual loans
    
    $
    5,877
    
    
    $
    4,770Loans 90 days or more past due
    
    
    1,504
    
    
    
    2,440Renegotiated loans
    
    
    0
    
    
    
    0Total nonperforming loans
    
    $
    7,381
    
    
    $
    7,210Property from defaulted loans
    
    $
    1,351
    
    
    $
    1,020Nonperforming loans as a percent of total loans*
    
    
    0.81
    %
    
    
    0.82
    %Nonperforming loans plus Other Real Estate as a percent of total
loans* plus Other Real Estate
    
    
    0.98
    %
    
    
    0.94
    %Nonperforming assets as a percent of total assets
    
    
    0.82
    %
    
    
    0.78
    %
 Analysis of the Allowance for Loan Losses
  Three months ended
    
    
    Six months endedJune 30,
    
    
    June 30,2006
    
    
    2005
    
    
    2006
    
    
    2005Balance at beginning of period
    
    $
    11,562
    
    
    $
    10,127
    
    
    $
    11,559
    
    
    $
    10,581Charge-offs
    
    
    (221
    )
    
    
    (210
    )
    
    
    (514
    )
    
    
    (886
    )Recoveries
    
    
    80
    
    
    
    104
    
    
    
    191
    
    
    
    319Net charge-offs
    
    
    (141
    )
    
    
    (106
    )
    
    
    (323
    )
    
    
    (568
    )Provision for loan losses
    
    
    200
    
    
    
    73
    
    
    
    385
    
    
    
    81Balance at end of period
    
    $
    11,621
    
    
    $
    10,094
    
    
    $
    11,621
    
    
    $
    10,094Average total loans* outstanding during the period
    
    $
    900,802
    
    
    $
    678,835
    
    
    $
    892,200
    
    
    $
    674,539Allowance for loan loss as a percent of total loans*
    
    
    1.27
    %
    
    
    1.47
    %
    
    
    1.27
    %
    
    
    1.47
    %Allowance for loan loss as a percent
of nonperforming loans
    
    
    157
    %
    
    
    356
    %
    
    
    157
    %
    
    
    356
    %Net Charge-offs^ as a percent of average loans*
    
    
    0.06
    %
    
    
    0.06
    %
    
    
    0.07
    %
    
    
    0.17
    %
 
 *
    
    All loan ratios exclude loans held for sale^
    
    Annualized 9




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Three Months Ended
    
    
    Six Months EndedJune 30,
    
    
    June 30,(Dollars in Thousands Except per Share Data)
    
    2006
    
    
    2005
    
    
    2006
    
    
    2005Earnings per shareNet income
    
    $
    2,899
    
    
    $
    2,508
    
    
    $
    5,323
    
    
    $
    4,645Weighted average common shares outstanding
    
    
    6,271
    
    
    
    5,602
    
    
    
    6,271
    
    
    
    5,598Basic Earnings per Share
    
    $
    0.46
    
    
    $
    0.45
    
    
    $
    0.85
    
    
    $
    0.83Earnings per share assuming dilutionNet income
    
    $
    2,899
    
    
    $
    2,508
    
    
    $
    5,323
    
    
    $
    4,645Weighted average common shares outstanding
    
    
    6,271
    
    
    
    5,602
    
    
    
    6,271
    
    
    
    5,598Add dilutive effect of assumed exercises of options
    
    
    37
    
    
    
    95
    
    
    
    37
    
    
    
    105Weighted average common and dilutive potential
common shares outstanding
    
    
    6,308
    
    
    
    5,697
    
    
    
    6,308
    
    
    
    5,703Diluted Earnings per Share
    
    $
    0.46
    
    
    $
    0.44
    
    
    $
    0.84
    
    
    $
    0.81
  10




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Item 2.
 st st st
 Subsequent events
  Financial Condition
        11




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Total Risk-Tier 1
    
    Based(Dollars in Thousands)
    
    Leverage
    
    Capital
    
    CapitalCapital Balances at June 30, 2006
    
    $
    93,465
    
    
    $
    93,465
    
    
    $
    103,920Required Regulatory Capital
    
    $
    41,757
    
    
    $
    35,477
    
    
    $
    70,954Capital in Excess of Regulatory Minimums
    
    $
    51,708
    
    
    $
    57,988
    
    
    $
    32,966Capital Ratios at June 30, 2006
    
    
    8.95
    %
    
    
    10.54
    %
    
    
    11.72
    %Regulatory Capital Ratios  Minimum Requirement
    
    
    4.00
    %
    
    
    4.00
    %
    
    
    8.00
    %
 Results of Operations
 Three Months Ended June 30, 2006
    12




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Six Months Ended June 30, 2006
    13




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Contractual Obligations, Commitments, Contingent Liabilities, and Off-Balance Sheet
Arrangements
  Critical Accounting Policies
  14




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FORWARD LOOKING STATEMENTS
  
 Item 3.
     15




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Item 4.
 a)
    
    Evaluation of Disclosure Controls and ProceduresOn August 7, 2006, the Corporations Chief Executive Officer and Chief Financial Officer
reported on the Corporations disclosure controls and procedures (as defined in Exchange Act
Rule 13a-15(e) and 15d-15(e)) to the Audit Committee. The portion of that report which
constitutes their conclusions about the effectiveness of the disclosure controls and
procedures based on their evaluation as of June 30, 2006 is as follows: Based on our
knowledge and the most recent evaluation, we believe the disclosure controls and procedures
to be reasonably effective and commercially practical in providing information for
management of the Corporation and for fair reporting to the investing public.b)
    
    Changes in Internal ControlsDuring the period covered by this report, there have been no changes in the Corporations
internal control over financial reporting that have materially affected or are reasonably
likely to materially affect the Corporations internal control over financial reporting.
 16




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##### Table of Contents



PART II. OTHER INFORMATION
 
 Item 2.
   ISSUER PURCHASES OF EQUITY SECURITIES
 MaximumTotal Number of
    
    ApproximateShares Purchased as
    
    Dollar Value ofa Part of Publicly
    
    Shares that May yetTotal Number
    
    Average Price
    
    Announced Plans
    
    Be Purchased UnderPeriod
    
    of Shares Purchased
    
    Paid per Share
    
    or Programs
    
    the Approved PlanApril
    
    
    0
    
    
    
    
    
    
    
    0
    
    
    $
    4,962,118May
    
    
    57,000
    
    
    $
    23.61
    
    
    
    57,000
    
    
    $
    3,616,068June
    
    
    0
    
    
    
    
    
    
    
    0
    
    
    $
    3,616,068Total
    
    
    57,000
    
    
    $
    23.23
    
    
    
    57,000
    
    
    $
    3,616,068
 
   VoteDirector Nominee:
    
    Term Expires
    
    For:
    
    Withheld:Jeff A. Gardner
    
    
    2009
    
    
    
    4,481,643
    
    
    
    30,387David D. Roslund
    
    
    2009
    
    
    
    4,479,622
    
    
    
    62,408Thomas R. Sullivan
    
    
    2009
    
    
    
    4,356,441
    
    
    
    155,589
  For:
    
    Against:
    
    Abstained:2,892,086
    
    
    
    421,744
    
    
    
    56,311
 
 Item 5.
  17




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##### Table of Contents



Item 6.
 Exhibit
    
    Description10.1
    
    Form of Stock Option Agreement 2006 Stock Compensation Plan10.2
    
    Form of Restricted Stock Agreement 2006 Stock Compensation Plan31.1
    
    Certificate of the President and Chief Executive Officer of
Firstbank Corporation pursuant to 18 U.S.C. Section 7241, as adopted pursuant
to Section 302 of the Sarbanes-Oxley Act of 2002.31.2
    
    Certificate of the Executive Vice President and Chief Financial
Officer of Firstbank Corporation pursuant to 18 U.S.C. Section 7241, as adopted
pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.32.1
    
    Certificate of the Chief Executive Officer and the Chief
Financial Officer of Firstbank Corporation pursuant to 18 U.S.C. Section 1350,
as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
 18




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##### Table of Contents



FIRSTBANK CORPORATION
(Registrant)Date: August 7, 2006
    
    /s/ Thomas R. SullivanThomas R. Sullivan
President, Chief Executive Officer
(Principal Executive Officer)Date: August 7, 2006
    
    /s/ Samuel G. StoneSamuel G. Stone
Executive Vice President, Chief Financial Officer
(Principal Accounting Officer)
 19




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##### Table of Contents



Exhibit
    
    Description10.1
    
    Form of Stock Option Agreement 2006 Stock Compensation Plan10.2
    
    Form of Restricted Stock Agreement 2006 Stock Compensation Plan31.1
    
    Certificate of the Chief Executive Officer of Firstbank Corporation pursuant to 18 U.S.C.
Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.31.2
    
    Certificate of the Chief Financial Officer of Firstbank Corporation pursuant to 18 U.S.C.
Section 7241, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.32.1
    
    Certificate of the Chief Executive Officer and the Chief Financial Officer of Firstbank
Corporation pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002.
 20