CNB CORP /MI/
10-K405, 2000-03-27
NATIONAL COMMERCIAL BANKS
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<PAGE>   1
                UNITED STATES SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 10-K

              ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934
                   For the fiscal year ended December 31, 1999

                         Commission file number 0-28388

                                 CNB CORPORATION
             (Exact name of registrant as specified in its charter)

        MICHIGAN                                                 38-2662386
 (State or other jurisdiction of                             (I.R.S. Employer
 incorporation or organization)                             Identification No.)
                   303 NORTH MAIN STREET, CHEBOYGAN, MI 49721
          (Address of principal executive offices, including Zip code)

                  Registrant's telephone number (231) 627-7111

        Securities registered pursuant to Section 12(b) of the Act: None

                    Securities registered pursuant to Section
                                12(g) of the Act:
                    COMMON STOCK, PAR VALUE $2.50 PER SHARE
                                (Title of Class)

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___X____ No_______

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of the registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. ( X )

Aggregate market value of the voting stock held by non-affiliates of the
registrant as of March 20, 2000 was $ 76,145,408.

As of March 20, 2000 there were outstanding 1,135,665 shares of the registrant's
common stock, $2.50 par value.

                       DOCUMENTS INCORPORATED BY REFERENCE

Specified portions of the registrant's annual report to security holders for
fiscal year ended December 31, 1999 are incorporated by reference in Part I and
Part II of this report, and specified portions of the registrant's proxy
statement for its annual meeting of shareholders to be held May 16, 2000 are
incorporated by reference in Part III of this report.






                                     Page 1
<PAGE>   2


         PART I


ITEM 1 - BUSINESS

CNB Corporation ("the Company") was incorporated in June, 1985 as a business
corporation under the Michigan Business Corporation Act, pursuant to the
authorization and direction of the Board of Directors of The Citizens National
Bank of Cheboygan ("the Bank").

The Company is a bank holding company registered with the Board of Governors of
the Federal Reserve System (the "Federal Reserve Board") under the Bank Holding
Company Act with the Bank as its only wholly-owned subsidiary. The Bank was
acquired by the Company effective December 31, 1985. The Company has corporate
power to engage in such activities as permitted to business corporations under
the Michigan Business Corporation Act, subject to the limitations of the Bank
Holding Company Act and regulations of the Federal Reserve Board. In general,
the Bank Holding Company Act and regulations restrict the Company with respect
to its own activities and activities of any subsidiaries to the business of
banking or such other activities which are closely related to the business of
banking.

The Bank offers a full range of banking services to individuals, partnerships,
corporations, and other entities. Banking services include checking, NOW
accounts, savings, time deposit accounts, money market deposit accounts, safe
deposit facilities and money transfers.

The Bank's lending function provides a full range of loan products. These
include real estate mortgages, secured and unsecured commercial and consumer
loans, check credit loans, lines of credit, home equity loans and construction
financing. The Bank also participates in specialty loan programs through the
Michigan State Housing Development Authority, Small Business Administration,
Federal Home Loan Mortgage Corporation, Farm Service Agency and Mortgage
Guaranty Insurance Corporation. Through correspondent relationships, the Bank
also makes available credit cards and student loans. The Bank's loan portfolio
is over 60% residential real estate mortgages on both primary and secondary
homes. The borrower base is very diverse and loan to value ratios are generally
80% or less. The commercial loan portfolio accounts for approximately 10% of
total loans. Agricultural lending is minimal and secured by real estate.
Construction lending is predominately residential, with only an occasional
"spec" home or commercial building. Unsecured lending is very limited and
personal guarantees are required on most commercial loans.

The Bank makes first and second mortgage loans to its customers for the purchase
of residential and commercial properties. Historically, the Bank has sold its
residential mortgage loans qualifying for the secondary market to the Federal
Home Loan Mortgage Corporation ("FHLMC"). The mortgage loan portfolio serviced
by the Bank for the FHLMC totaled over $34 million at December 31, 1999.

Banking services are delivered through five full-service banking offices and
three drive-in branches plus eight automated teller machines in Cheboygan, Emmet
and Presque Isle Counties, Michigan. The business base of the counties is
primarily tourism with light manufacturing.  The Bank maintains correspondent
bank relationships with several larger banks, which involve check clearing
operations, transfer of funds, loan participation, and the purchase and sale of
federal funds and other similar services.

Under various agency relationships, the Bank provides trust and discount
brokerage services and






                                     Page 2
<PAGE>   3

mutual fund, annuity and life insurance products to its customers.

In its primary market, which includes Cheboygan County and parts of Emmet,
Mackinac, Presque Isle and Montmorency Counties, the Bank is one of two
principal banking institutions located within this market. The other competiting
bank is a member of a multi-bank holding company with substantially more assets
than the Company. During 1999, another independent community bank moved into the
Cheboygan area. There are also two credit unions, one savings and loan
association and a brokerage firm.

As of December 31, 1999, the Bank employed 66 full-time and 15 part-time
employees. This compares to 66 full-time and 14 part-time employees as of
December 31, 1998. The Company has no full-time employees. Its operation and
business are carried out by officers and employees of the Bank who are not
compensated by the Company.



INVESTMENTS

Securities and their fair values at December 31 were as follows:


<TABLE>
<CAPTION>
AVAILABLE FOR SALE                                                      Gross            Gross
                                                      Amortized       Unrealized       Unrealized        Fair
                                                         Cost           Gains            Losses          Value
                                                     -------------   -------------    -------------   ------------
                                                                            (In thousands)
<S>                                                  <C>              <C>             <C>             <C>
1999
     U.S. government and agency                      $     38,725    $          1     $       (484)   $    38,242
     State and municipal                                    6,333               1              (97)         6,237
                                                     -------------   -------------    -------------   ------------
                                                     $     45,058    $          2     $       (581)   $    44,479
                                                     =============   =============    =============   ============
1998
     U.S. government and agency                      $     21,046    $        211     $          -    $    21,257
     State and municipal                                    2,763             137                0          2,900
                                                     =============   =============    =============   ============
                                                     $     23,809    $        348     $          -    $    24,157
                                                     =============   =============    =============   ============

1997
     U.S. government and agency                      $     16,085    $         39     $         (8)   $    16,116
     State and municipal                                    2,997              49                0          3,046
                                                     =============   =============    =============   ============
                                                     $     19,082    $         88     $         (8)   $    19,162
                                                     =============   =============    =============   ============

HELD TO MATURITY

1999
     U.S. government and agency                      $          -    $          -     $          -    $          -
     State and municipal                                   15,116              20             (114)         15,022
                                                     -------------   -------------    -------------   ------------
                                                     $     15,116    $         20     $       (114)   $     15,022
                                                     =============   =============    =============   ============

1998
     U.S. government and agency                      $     14,053    $         95     $          -    $    14,148
     State and municipal                                   19,614             388               (1)        20,001
                                                     -------------   -------------    -------------   ------------
                                                     $     33,667    $        483     $         (1)   $    34,149
                                                     =============   =============    =============   ============
</TABLE>




                                     Page 3
<PAGE>   4


<TABLE>
<S>                                                  <C>             <C>              <C>             <C>
1997
     U.S. government and agency                      $     28,529    $        137     $        (26)   $    28,640
     State and municipal                                   11,554             135              (11)        11,678
                                                     -------------   -------------    -------------   ------------
                                                     $     40,083    $        272     $        (37)   $    40,318
                                                     =============   =============    =============   ============
</TABLE>


Scheduled maturities of the carrying value of securities available for sale and
held to maturity at December 31, were as follows:



<TABLE>
<CAPTION>
                                         Due in         Due from        Due from           Due
                                        one year         one to         five to         after ten
                                        or less       five years      ten years          years           Total
                                      ------------   -------------   -------------    -------------   ------------
                                                                    (In thousands)

<S>                                   <C>            <C>             <C>              <C>             <C>
U.S. Government and agencies          $    11,731    $     26,511    $          -     $          -    $    38,242
State and municipal                         8,828           9,209           2,096            1,220         21,353
                                      ------------   -------------   -------------    -------------   ------------
                                      $    20,559    $     35,720    $      2,096     $      1,220    $    59,595
                                      ============   =============   =============    =============   ============

Yield                                       5.45%           5.58%           4.88%            5.99%          5.52%
</TABLE>



LOANS

The following is a summary of loans at December 31:


<TABLE>
<CAPTION>
                                                          1999            1998             1997           1996           1995
                                                          ----            ----             ----           ----           ----
                                                                                   (In thousands)
<S>                                                  <C>             <C>              <C>             <C>            <C>
Residential real estate                              $     71,709    $     69,319     $     60,754    $    56,699    $    46,689
Consumer                                                   10,891          10,229           10,009          9,239          9,395
Commercial real estate                                     24,810          20,202           20,899         21,331         21,487
Commercial                                                 11,939          10,836           11,705          9,632         10,765
                                                     -------------   -------------    -------------   ------------   ------------
                                                          119,349         110,586          103,367         96,901         88,336
Deferred loan origination fees, net                           (58)            (81)            (128)          (160)          (189)
Allowance for loan losses                                  (1,583)         (1,518)          (1,442)        (1,361)        (1,305)
                                                     =============   =============    =============   ============   ============
                                                     $    117,708    $    108,987     $    101,797    $    95,380    $    86,842
                                                     =============   =============    =============   ============   ============
</TABLE>

Maturity and Rate Sensitivity of Selected Loans

The following table presents the remaining maturity of total loans outstanding
(excluding residential real estate mortgage and consumer loans) at December 31,
1999, according to scheduled repayments of principal. The amounts due after one
year are classified according to the sensitivity of changes in interest rates.


<TABLE>
<CAPTION>
                                                                          Total
                                                                         ------
                                                                      (In thousands)

<S>                                                                       <C>
In one year or less                                                       $11,984
After one year but within five years
     Interest rates are floating or adjustable                              4,875
     Interest rates are fixed or predetermined                             14,813
</TABLE>









                                     Page 4
<PAGE>   5

<TABLE>
<S>                                                                       <C>
After five years
     Interest rates are floating or adjustable                              4,295
     Interest rates are fixed or predetermined                                782
                                                                          $36,749
</TABLE>




Summary of loan loss experience is as follows:

Additional information relative to the allowance for loan losses is presented in
the following table. This table summarizes loan balances at the end of each
period and daily average balances, changes in the allowance for loan losses
arising from loans charged off and recoveries on loans previously charged off by
loan category, and additions to the allowance for loan losses through provisions
charged to expense.



<TABLE>
<CAPTION>
                                              1999            1998             1997           1996           1995
                                              ----            ----             ----           ----           ----
                                                                       (In thousands)
<S>                                       <C>             <C>              <C>             <C>            <C>
Balance at the beginning of the period    $     1,518     $     1,442      $     1,361     $    1,305     $    1,246

Charge-offs:

     Residential real estate                        -               4                2              -             44
     Consumer                                      40              45               36             63             25
     Commercial real estate                         -               -                -              -              -
     Commercial                                     3               3                -              -              -
                                         -------------   -------------    -------------   ------------   ------------
Total charge-offs                                  43              52               38             63             69
                                         -------------   -------------    -------------   ------------   ------------


Recoveries:

     Residential real estate                        1               1                4              2             17
     Consumer                                       7              10               15             17             11
     Commercial real estate                         -               -                -              -
     Commercial                                     -              17                -              -
                                         -------------   -------------    -------------   ------------   ------------
Total recoveries                                    8              28               19             19             28
                                         -------------   -------------    -------------   ------------   ------------
Provision charged to expense                      100             100              100            100            100
Allowance for possible loan
                                         =============   =============    =============   ============   ============
     losses, end of period               $      1,583    $      1,518     $      1,442    $     1,361    $     1,305
                                         =============   =============    =============   ============   ============

Total loans outstanding at
     end of period                       $    119,349    $    110,586     $    103,367    $    96,901    $    88,336

Average total loans outstanding
     for the year                        $    114,042    $    106,661     $    101,518    $    93,193    $    86,158

Ratio of net charge-offs to
     daily average loans outstanding            0.03%           0.02%            0.02%          0.05%          0.05%

Ratio of net charge-offs to
     total loans outstanding                    0.03%           0.02%            0.02%          0.05%          0.05%
</TABLE>





                                     Page 5
<PAGE>   6



The allocation of the allowance for loan losses for the years ended December 31
is:


<TABLE>
<CAPTION>
                                          Residential                      Commercial
                                          Real Estate       Consumer      Real Estate        Commercial   Unallocated      Total
                                                                                 (In thousands)
<S>                                       <C>              <C>             <C>              <C>           <C>             <C>
1999 Allowance amount                        $224             $35             $77              $29         $1,218         $1,583
% of Total loans                             60.1%            9.1%           20.8%            10.0%                        100.0%

1998 Allowance amount                         $15             $54              $5              $77         $1,367         $1,518
% of Total loans                             62.7%            9.2%           18.3%             9.8%                        100.0%

1997 Allowance amount                         $28             $28             $74              $57         $1,255         $1,442
% of Total loans                             58.8%            9.7%           20.2%            11.3%                        100.0%

1996 Allowance amount                         $42             $36              $7              $51         $1,225         $1,361
% of Total loans                             58.5%            9.5%           22.0%            10.0%                        100.0%

1995 Allowance amount                         $43             $36             $23              $65         $1,138         $1,305
% of Total loans                             52.9%           10.6%           24.3%            12.2%                        100.0%
</TABLE>





The review of the loan portfolio revealed no undue concentrations of credit,
however, the portfolio continues to be highly concentrated in residential real
estate mortgages and highly dependent upon the tourist industry for the source
of repayment. Because the reliance on tourism is both primary, (i.e. loans to
motels, hotels and restaurants, etc.) and secondary (i.e. loans to employees of
tourist related businesses), it is difficult to assess a specific dollar amount
of inherent loss potential. Likewise, the residential real estate market has
been stable or increasing, so inherent loss potential in this concentration is
also difficult to reasonably assess. Therefore, it is believed that a reasonable
margin should be maintained in the allowance for loan losses to cover these
undefined losses within the loan portfolio.


The following is a summary of nonaccrual, past due and restructured loans as of
December 31:



<TABLE>
<CAPTION>
                                                          1999            1998             1997           1996           1995
                                                          ----            ----             ----           ----           ----
                                                                                      (In thousands)
<S>                                                  <C>             <C>              <C>             <C>            <C>
Nonaccrual loans                                     $        181    $          -     $         21    $        70    $         -
Loans past due 90 days or more                                 59              62               78             61             80
Troubled debt restructurings                                    -               -                -              -              -
                                                     -------------   -------------    -------------   ------------   ------------
                                                     $        240    $         62     $         99    $       131    $        80
                                                     =============   =============    =============   ============   ============
</TABLE>






                                     Page 6
<PAGE>   7

DEPOSITS


The following table presents the remaining maturity of time deposits
individually exceeding $ 100,000 at December 31, 1999. Dollars are reported in
thousands.


<TABLE>
<S>                         <C>
Up to 3 Months                 $5,471
3 to 6 Months                   4,319
7 to 12 Months                  3,598
Over 12 Months                  1,945
                           -----------
                              $15,333
                           ===========
</TABLE>



SUPERVISION AND REGULATION

As a bank holding company within the meaning of the Bank Holding Company Act,
the Company is required by said Act to file annual reports of its operations and
such additional information as the Federal Reserve Board may require and is
subject, along with its subsidiary, to examination by the Federal Reserve Board.
The Federal Reserve Board is the primary regulator of the Company.

The Bank Holding Company Act requires every bank holding company to obtain prior
approval of the Federal Reserve Board before it may merge with or consolidate
into another bank holding company, acquire substantially all the assets of any
bank, or acquire ownership or control of any voting shares of any bank if after
such acquisition it would own or control, directly or indirectly, more than 5%
of the voting shares of such bank holding company or bank. The Bank Holding
Company Act also prohibits a bank holding company, with certain exceptions, from
acquiring direct or indirect ownership or control of more than 5% of the voting
shares of any company which is not a bank and from engaging in any business
other than that of banking, managing and controlling banks or furnishing
services to banks and their subsidiaries. However, holding companies may engage
in, and may own shares of companies engaged in, certain businesses found by the
Federal Reserve Board to be so closely related to banking or the management or
control of banks as to be a proper incident thereto.

Under current regulations of the Federal Reserve Board, a holding company and
its nonbank subsidiaries are permitted, among other activities, to engage,
subject to certain specified limitations, in such banking related business
ventures as consumer finance, equipment leasing, computer service bureau and
software operations, data processing, discount securities brokerage, mortgage
banking and brokerage, sale and leaseback, and other forms of real estate
banking. The Bank Holding Company Act does not place territorial restrictions on
the activities of nonbank subsidiaries of bank holding companies.

In addition, Federal legislation prohibits acquisition of "control" of a bank or
bank holding company without prior notice to certain federal bank regulators.
"Control" in certain cases may include the





                                     Page 7
<PAGE>   8


acquisition of as little as 10% of the outstanding shares of capital stock.

The Company's cash revenues are derived primarily from dividends paid by the
Bank. National banking laws restrict the payment of cash dividends by a national
bank by providing, subject to certain exceptions, that dividends may be paid
only out of net profits then on hand after deducting therefrom its losses and
bad debts, and no dividends may be paid unless the bank will have a surplus
amounting to not less than one hundred percent (100%) of its common capital
stock.

The Bank is a national banking association and as such is subject to the
regulations of, and supervision and regular examination by, the Office of the
Comptroller of the Currency ("OCC"). Deposit accounts of the Bank are insured by
the Federal Deposit Insurance Corporation ("FDIC"). Requirements and
restrictions under the laws of the State of Michigan and Title 12 of the United
States Code include the requirements that banks maintain reserves against
deposits, restrictions on the nature and amount of loans which may be made by a
bank, and the interest that may be charged thereon, restrictions on the payment
of interest on certain deposits, and restrictions relating to investments and
other activities of a bank. The Federal Reserve Board has established guidelines
for risk based capital by bank holding companies. These guidelines establish a
risk adjusted ratio relating capital to risk-weighted assets and off-balance
sheet exposures. These capital guidelines primarily define the components of
capital, categorize assets into different risk classes, and include certain
off-balance-sheet items in the calculation of capital requirements.


An analysis of the Company's regulatory capital requirements at December 31,
1999 is presented on page 21 of the Registrant's 1999 Annual Report in Note 14
Regulatory Capital to the Company's consolidated financial statements, which is
incorporated herein by reference.


ITEM 2 - PROPERTIES

The Company and the Bank have their primary office at 303 North Main Street,
Cheboygan, Michigan. In addition, the Bank owns and operates the following
facilities: Onaway Office, 20581 W. State Street, Onaway; Mackinaw City Office,
580 S. Nicolet Street, Mackinaw City; Pellston Office, 200 Stimpson, Pellston;
Indian River Office, 3990 Straits Highway, Indian River; South Side drive-in,
991 1/2 South Main Street, Cheboygan; Downtown drive-in, 414 Division Street,
Cheboygan; and East Side drive-in, 816 East State Street, Cheboygan. All
properties are owned by the Bank free of any mortgages or encumbrances.


ITEM 3- LEGAL PROCEEDINGS.

Neither the Company nor the Bank are a party to any pending legal proceedings
other than the routine litigation that is incidental to the business of lending.


ITEM 4-SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.

There have been no matters submitted to a vote of security holders during the
fourth quarter of 1999.





                                     Page 8
<PAGE>   9




              PART II


ITEM 5-MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER
       MATTERS.

The common stock of the Company has no public trading market. All trades are
handled on a direct basis between buyer and seller. The Bank acts as the
Company's transfer agent. The principal market for the Company's stock consists
of existing shareholders, family members of existing shareholders and
individuals in its service area.

The information detailing the range of high and low bid information for the
Company's common stock for each full quarterly period within the two most recent
fiscal years can be found under the caption "Financial Highlights" of the
Company's Annual Report to Shareholders for the fiscal year ended December 31,
1999, which is hereby incorporated by reference.

The information which indicates the amount of common stock that is subject to
outstanding options or warrants to purchase, or securities convertible into,
common equity of the registrant can be found in Note 8 on page 15 of the
Company's Annual Report to Shareholders for the fiscal year ended December 31,
1999, which is hereby incorporated by reference.

There are no public offerings pending.

There are approximately 793 shareholders of record of the common stock of the
Company as of March 20, 2000.

During 1999, the Company declared regular dividends of $ 1.34 per share plus a
special dividend of $ .52. In 1998, the Company declared regular dividends of $
1.28 plus a special dividend of $ .49. These per share statistics have been
retroactively adjusted for the 5% stock dividend of February 20, 1998, March 1,
1999 and March 1, 2000. Subject to approval of the Board of Directors of the
Company and applicable law, the Company anticipates that it will continue to pay
a regular cash dividend equal to or greater than the prior years. Special
dividends are considered each December based on the current year's earnings.
These have resulted in a dividend payout ratio averaging 64.9% for the past
three years.

The Federal Reserve Board's Policy on the Payment of Cash Dividends by Bank
Holding Companies restricts the payment of cash dividends based on the following
criteria: (1) The Company's net income from operations over the past year must
be sufficient to fully fund the dividend and (2) the prospective rate of
earnings retention must be consistent with the Company's capital needs, asset
quality and overall financial condition.






                                     Page 9
<PAGE>   10



ITEM 6-SELECTED FINANCIAL DATA.

The information required by this item is included on Page 1 under the caption
"Financial Highlights" of the Company's Annual Report to Shareholders for the
fiscal year ended December 31, 1999, which is hereby incorporated by reference.


ITEM 7-MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
       OF OPERATION.

The information required by this item is included on pages 25 through 35 of the
Company's Annual Report to Shareholders for the fiscal year ended December 31,
1999, which is hereby incorporated by reference.


ITEM 7A-QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The information required by this item is included on pages 29 through 30 of the
Company's Annual Report to Shareholders for the fiscal year ended December 31,
1999, which is hereby incorporated by reference.


ITEM 8-FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

This information is included on pages 2 through 23 of the Company's Annual
Report to Shareholders for the fiscal year ended December 31, 1999, which is
hereby incorporated by reference.


ITEM 9-CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
       FINANCIAL DISCLOSURE.

None.



              PART III


ITEM 10-DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

Certain information required by this item is included under the caption
"Information About Director Nominees" of the Company's proxy statement for the
annual meeting of shareholders scheduled for May 16, 2000, which is hereby
incorporated by reference.





                                    Page 10
<PAGE>   11


Information about the executive officers of the Corporation is set forth below.


<TABLE>
<CAPTION>
Name and Age                         Position
<S>                                  <C>
Robert E. Churchill, 59              President and Chief Executive Officer of
                                     the Corporation; Chairman and Chief
                                     Executive Officer of Citizens National Bank
                                     of Cheboygan.  Mr. Churchill has been an
                                     officer of the Corporation since its inception
                                     in 1985 and an employee of the Bank since
                                     1975. He has been in his current position for
                                     more than 10 years.

James C. Conboy, Jr., 52             Executive Vice President of the Corporation;
                                     President and Chief Operating Officer of
                                     Citizens National Bank of Cheboygan. Mr. Conboy
                                     joined the Corporation and Bank during 1998.

John F. Ekdahl, 49                   Senior Vice President of the Corporation and
                                     Citizens National Bank of Cheboygan.  Mr. Ekdahl
                                     has been an officer of the Corporation since 1993
                                     and an employee of the Bank since 1987.  He has
                                     been in his current position for more than 6 years.

Susan A. Eno, 45                     Senior Vice President of the Corporation; Senior
                                     Vice President and Cashier of Citizens National
                                     Bank of Cheboygan. Ms. Eno has been an officer of
                                     the Corporation since 1996 and an employee of the
                                     Bank since 1971.  She has been in her current position
                                     for more than 3 years.

John P. Ward, 63                     Secretary of the Corporation.  Mr. Ward retired from
                                     the Bank during 1998.

Irene M. English, 40                 Treasurer of the Corporation; Vice President and
                                     Controller of Citizens National Bank of Cheboygan.
                                     Ms. English was appointed an officer of the Corporation
                                     during 1998 and has been an employee of the Bank
                                     since 1985.
</TABLE>


ITEM 11-EXECUTIVE COMPENSATION.

The information required by this item is included under the caption
"Compensation



                                    Page 11
<PAGE>   12

of Executive Officers" of the Company's proxy statement for the annual meeting
of shareholders scheduled for May 16, 2000, which is hereby incorporated by
reference.





ITEM 12-SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT.

The information required by this item is included under the caption "Ownership
of Common Stock" of the Company's proxy statement for the annual meeting of
shareholders scheduled for May 16, 2000, which is hereby incorporated by
reference.

ITEM 13-CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

The information required by this item is included under the caption
"Indebtedness of and Transactions with Management" of the Company's proxy
statement for the annual meeting of shareholders scheduled for May 16, 2000,
which is hereby incorporated by reference.



              PART IV


ITEM 14-EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.

     (a)     (1) Financial Statements. The following financial statements, notes
             to financial statements and independent auditor's report of CNB
             Corporation and its subsidiary are incorporated by reference in
             Item 8 of this report:

             Consolidated Balance Sheets-December 31, 1999 and 1998.

             Consolidated Statements of Income and Comprehensive Income for the
             years ended December 31, 1999, 1998 and 1997.

             Consolidated Statements of Changes in Shareholders' Equity for the
             years ended December 31,1999, 1998 and 1997.

             Consolidated Statements of Cash Flows for the years ended December
             31, 1999, 1998 and 1997.

             Notes to Consolidated Financial Statements.

             Independent Auditor's Report dated February 10, 2000.


             (2) Financial Statement Schedules. Not applicable

             (3) Exhibits.





                                    Page 12
<PAGE>   13



                  (3a) Articles of Incorporation. Previously filed as exhibit to
                  the registrant's Form 10-KSB filed April 26, 1996.

                  (3b) By-laws. Previously filed as exhibit to the registrant's
                  Form 10-KSB filed April 26, 1996.

                  (11) Statement regarding computation per share earnings. This
                  information is disclosed in Note 10 to the Company's Financial
                  Statements for the year ended December 31, 1999, which is
                  hereby incorporated by reference.

                 (13) Annual report to shareholders for the year ended December
                 31, 1999, which is hereby incorporated by reference.

                 (21) Subsidiaries of the Company.  (filed herewith).

                 (27) Financial Data Schedule.

     (b)         Reports of Form 8-K. No reports on Form 8-K were filed during
                 the last calendar quarter of the year covered by this report.





Exhibits:


Exhibit 21.)Subsidiary of the Company:

Citizens National Bank of Cheboygan is the sole subsidiary of the Company.






                                    Page 13
<PAGE>   14




              SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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.

                                 CNB CORPORATION
                                  (Registrant)

Date March 23, 2000


/s/ Robert E. Churchill
- --------------------------------------
Robert E. Churchill
President and Chief Executive Officer


Pursuant to the requirement of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the registrant and
in the capacities indicated on March 23, 2000.


<TABLE>
<S>                                            <C>                                           <C>
/s/ Thomas J. Fisher                           /s/ Thomas J. Ellenberger                     /s/ John F. Ekdahl
- --------------------------------------         --------------------------------------        --------------------------------------
Thomas J. Fisher                               Thomas J. Ellenberger                         John F. Ekdahl
Chairman of the Board                          Director                                      Senior Vice President




/s/ Robert E. Churchill                        /s/ Vincent J. Hillesheim                     /s/ Susan A. Eno
- --------------------------------------         --------------------------------------        --------------------------------------
Robert E. Churchill                            Vincent J. Hillesheim                         Susan A. Eno
Director                                       Director                                      Senior Vice President
President and Chief Executive Officer




/s/ James C. Conboy, Jr.                       /s/ John L. Ormsbee                           /s/ Irene M. English
- --------------------------------------         --------------------------------------        --------------------------------------
James C. Conboy, Jr.                           John L. Ormsbee                               Irene M. English
Director                                       Director                                      Treasurer
Executive Vice President




/s/ Kathleen M. Darrow                         /s/ John P. Ward
- --------------------------------------         --------------------------------------
Kathleen M. Darrow                             John P. Ward
Director                                       Director
                                               Treasurer
</TABLE>









                                    Page 14
<PAGE>   15
                                 Exhibit Index

<TABLE>
<CAPTION>
Exhibit No.                   Description
- -----------                   -----------
<S>                           <C>
   13                         Annual Report to Shareholders for the year ended
                              December 31, 1999
   21                         Subsidiary of the Company
   27                         Financial Data Schedule

</TABLE>

<PAGE>   1
                                                                      EXHIBIT 13

                                 CNB CORPORATION

                                  ANNUAL REPORT

                        December 31, 1999, 1998 and 1997





<PAGE>   2


                                 CNB CORPORATION

                                  ANNUAL REPORT
                        December 31, 1999, 1998 and 1997









                                    CONTENTS






FINANCIAL HIGHLIGHTS ...................................................1

CONSOLIDATED BALANCE SHEETS ............................................2

CONSOLIDATED STATEMENTS OF INCOME AND
   COMPREHENSIVE INCOME.................................................3

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY .............4

CONSOLIDATED STATEMENTS OF CASH FLOWS ..................................5

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS .............................6

INDEPENDENT AUDITOR'S REPORT...........................................24

MANAGEMENT'S DISCUSSION AND ANALYSIS...................................25



<PAGE>   3


                                 CNB CORPORATION
                              FINANCIAL HIGHLIGHTS


<TABLE>
<CAPTION>
                                              1999            1998            1997           1996          1995
                                              ----            ----            ----           ----          ----
                                                            (In thousands, except per share data)
OPERATING STATISTICS
<S>                                      <C>            <C>             <C>            <C>             <C>
     Interest income                     $     14,296   $      14,321   $     13,728   $     12,958    $    12,069
     Interest expense                           6,077           6,359          6,087          5,699          5,108
     Net interest income                        8,219           7,962          7,641          7,259          6,961
     Income before income taxes                 4,459           4,445          4,151          3,723          3,424
     Net income                                 3,145           3,136          2,880          2,601          2,365
     Basic earnings per share                    2.78            2.77           2.54           2.30           2.10
     Diluted earnings per share                  2.74            2.74           2.54           2.30           2.10
     Return on average assets
       (ROA)                                     1.54%           1.61%          1.58%          1.51%          1.48%
     Return on average
       shareholders' equity (ROE)               15.63           16.38          16.10          15.33          14.75

BALANCE SHEET STATISTICS
     Securities                          $     59,595   $      57,824   $     59,245   $     60,570    $    58,831
     Total loans                              119,349         110,586        103,367         96,901         88,336
     Deposits                                 182,584         174,461        170,326        153,868        148,149
     Total assets                             205,265         196,510        190,822        173,085        166,560

CAPITAL STATISTICS
     Shareholders' equity                $     19,918   $      19,494   $     18,145   $     17,053    $    16,251
     Book value per share (1)                   17.54           17.21          16.05          15.09          14.37
     Cash dividend per share (1)                 1.86            1.77           1.63           1.54           1.40
     Dividend payout ratio                      67.00%          63.84%         63.92%         67.09%         66.89%
     Average equity to average
       total assets                              9.86            9.86           9.82           9.88          10.04

CREDIT STATISTICS
     Net charge-offs to total loans               .03%            .02%           .02%           .05%           .05%
     Nonperforming assets
       to total loans                             .20             .06            .10            .14            .09
     Allowance for loan losses
       to total loans                            1.33            1.37           1.40           1.41           1.48
     Allowance for loan losses
       to nonperforming assets                   6.60x          24.48x         14.57x         10.39x         16.33x
</TABLE>

(1) Restated for stock dividends, including the five percent stock dividend to
be paid March 1, 2000.

PRICE RANGE FOR COMMON STOCK

The following table shows the high and low selling prices of known transactions
in common stock of the Company for each quarter of 1999 and 1998. The Company
had 781 shareholders as of December 31, 1999. The prices and dividends per share
have been restated to reflect the 1998 and 1999 5% stock dividends and the
subsequent 5% stock dividend declared in 2000.

<TABLE>
<CAPTION>
                                               1999                                       1998
                                               ----                                       ----
                                                               Cash                                          Cash
                                    Market Price             Dividends            Market Price             Dividends
      Quarter                   High             Low         Declared         High             Low         Declared
      -------                   ----             ---         --------         ----             ---         --------
<S>                     <C>            <C>             <C>            <C>            <C>             <C>
        1st                $     60.71    $     57.14     $       .33    $     43.53    $     31.00     $       .32
        2nd                      62.86          60.71             .33          45.81          42.63             .32
        3rd                      66.67          62.86             .33          56.24          45.35             .32
        4th                      71.43          67.62             .87          58.95          54.42             .81
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       1
<PAGE>   4

                                 CNB CORPORATION
                           CONSOLIDATED BALANCE SHEETS
                           December 31, 1999 and 1998

<TABLE>
<CAPTION>
                                                                      1999            1998
                                                                      ----            ----
                                                                        (In thousands)
<S>                                                               <C>              <C>
ASSETS
Cash and due from banks                                           $      8,573     $      6,580
Federal funds sold                                                       6,300           12,700
                                                                  ------------     ------------
     Total cash and cash equivalents                                    14,873           19,280

Securities available for sale                                           44,479           24,157
Securities held to maturity (market value of
  $15,022 in 1999 and $34,149 in 1998)                                  15,116           33,667
Other securities                                                         5,726            3,452
Loans, net                                                             117,708          108,987
Premises and equipment, net                                              3,016            3,196
Other assets                                                             4,347            3,771
                                                                  ------------     ------------

     Total assets                                                 $    205,265     $    196,510
                                                                  ============     ============

LIABILITIES
Deposits
     Non-interest bearing                                         $     26,158     $     26,044
     Interest-bearing                                                  156,426          148,417
                                                                  ------------     ------------
         Total deposits                                                182,584          174,461
Other liabilities                                                        2,763            2,555
                                                                  ------------     ------------
     Total liabilities                                                 185,347          177,016
                                                                  ------------     ------------

SHAREHOLDERS' EQUITY
Common stock - $2.50 par value; 2,000,000 shares
  authorized; 1,081,639 and
  1,027,701 shares issued
  and outstanding in 1999 and 1998                                       2,704            2,569
Additional paid-in capital                                              11,694            8,597
Retained earnings                                                        5,902            8,099
Accumulated other comprehensive income, net of tax                        (382)             229
                                                                  ------------     ------------
     Total shareholders' equity                                         19,918           19,494
                                                                  ------------     ------------

         Total liabilities and shareholders' equity               $    205,265     $    196,510
                                                                  ============     ============
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       2
<PAGE>   5

                                 CNB CORPORATION
           CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
                  Years ended December 31, 1999, 1998 and 1997


<TABLE>
<CAPTION>
                                                      1999       1998       1997
                                                      ----       ----       ----
                                                 (In thousands, except per share data)
<S>                                              <C>          <C>        <C>
INTEREST INCOME
     Loans, including fees                         $ 10,010    $  9,959   $  9,608
     Securities
         Taxable                                      3,351       3,281      3,194
         Tax-exempt                                     509         502        391
     Federal funds sold                                 426         579        535
                                                   --------    --------   --------
         Total interest income                       14,296      14,321     13,728

INTEREST EXPENSE ON DEPOSITS                          6,077       6,359      6,087
                                                   --------    --------   --------

NET INTEREST INCOME                                   8,219       7,962      7,641

Provision for loan losses                               100         100        100
                                                   --------    --------   --------

NET INTEREST INCOME AFTER PROVISION
  FOR LOAN LOSSES                                     8,119       7,862      7,541
                                                   --------    --------   --------

NON-INTEREST INCOME
     Service charges and fees                           870         875        816
     Net realized gains from sale of loans               59         103         69
     Loan servicing fees, net of amortization           164         178        148
     Other income                                       204         282        268
                                                   --------    --------   --------
         Total non-interest income                    1,297       1,438      1,301
                                                   --------    --------   --------

NON-INTEREST EXPENSES
     Salaries and employee benefits                   2,934       2,900      2,715
     Occupancy                                          650         635        620
     Supplies                                           207         187        186
     Other expenses                                   1,166       1,133      1,170
                                                   --------    --------   --------
         Total non-interest expenses                  4,957       4,855      4,691
                                                   --------    --------   --------

INCOME BEFORE INCOME TAXES                            4,459       4,445      4,151

Income tax expense                                    1,314       1,309      1,271
                                                   --------    --------   --------

NET INCOME                                            3,145       3,136      2,880

Other comprehensive income (loss)
     Net change in unrealized gains (losses) on
       securities available for sale                   (927)        267         83
     Tax effects                                        316          91         28
                                                   --------    --------   --------
         Total other comprehensive income (loss)       (611)        176         55
                                                   --------    --------   --------

COMPREHENSIVE INCOME                               $  2,533    $  3,312   $  2,935
                                                   ========    ========   ========

Basic earnings per share                           $   2.78    $   2.77   $   2.54
Diluted earnings per share                             2.74        2.74       2.54
</TABLE>


          See accompanying notes to consolidated financial statements.

                                       3

<PAGE>   6

                                 CNB CORPORATION
           CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
                  Years ended December 31, 1999, 1998 and 1997

<TABLE>
<CAPTION>
                                                                                                         Accumulated
                                                                                                            Other
                                                                                                        Comprehensive
                                                                            Additional                      Income,         Total
                                              Outstanding       Common        Paid-In      Retained           Net      Shareholders'
                                                Shares           Stock        Capital      Earnings         of Tax         Equity
                                                ------           -----        -------      --------         ------         ------
                                                                   (Dollars in thousands, except per share data)
<S>                                           <C>            <C>            <C>           <C>           <C>            <C>
Balance - January 1, 1997                          930,772   $      2,327   $      4,979  $      9,749  $          (2) $     17,053

Net income                                                                                       2,880                        2,880
Cash dividends - $1.63 per share                                                                (1,841)                      (1,841)
5% stock dividend                                   46,332            116          1,599        (1,722)                          (7)
Share issued under stock option plan, net              185                             5                                          5
Net change in unrealized gains (losses) on
  securities available for sale                                                                                    55            55
                                              ------------   ------------   ------------  ------------  -------------  ------------

Balance - December 31, 1997                        977,289          2,443          6,583         9,066             53        18,145

Net income                                                                                       3,136                        3,136
Cash dividends - $1.77 per share                                                                (2,002)                      (2,002)
5% stock dividend                                   48,595            121          1,968        (2,101)                         (12)
Shares issued under stock option plan, net           1,902              5             51                                         56
Purchase and retirement of common stock                (85)                           (5)                                        (5)
Net change in unrealized gains (losses) on
  securities available for sale                                                                                   176           176
                                              ------------   ------------   ------------  ------------  -------------  ------------

Balance - December 31, 1998                      1,027,701          2,569          8,597         8,099            229        19,494

Net income                                                                                       3,145                        3,145
Cash dividends - $1.86 per share                                                                (2,107)                      (2,107)
5% stock dividend                                   51,074            128          3,064        (3,211)                         (19)
Shares issued under stock option plan, net           3,933             10            106           (24)                          92
Purchase and retirement of common stock             (1,069)            (3)           (73)                                       (76)
Net change in unrealized gains (losses) on
  securities available for sale                                                                                  (611)         (611)
                                              ------------   ------------   ------------  ------------  -------------  ------------
Balance - December 31, 1999                      1,081,639   $      2,704   $     11,694    $    5,902  $        (382) $     19,918
                                              ============   ============   ============  ============  =============  ============
</TABLE>

          See accompanying notes to consolidated financial statements.

                                       4


<PAGE>   7


                                 CNB CORPORATION
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                  Years ended December 31, 1999, 1998 and 1997



<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                      (In thousands)
<S>                                                                   <C>             <C>              <C>
CASH FLOWS FROM OPERATING ACTIVITIES
     Net income                                                       $      3,145    $      3,136     $      2,880
     Adjustments to reconcile net income to net cash
       from operating activities
         Depreciation                                                          300             277              275
         Accretion and amortization of investment
           securities, net                                                     136              42              121
         Provision for loan losses                                             100             100              100
         Loans originated for sale                                          (7,706)        (12,970)          (7,741)
         Proceeds from sales of loans originated for sale                    7,707          12,976            7,745
         Gain on sales of loans                                                (59)           (103)             (69)
         (Increase) decrease in other assets                                  (202)            (91)              35
         Increase (decrease) in other liabilities                              160             110              146
                                                                      ------------    ------------     ------------
              Total adjustments                                                436             341              612
                                                                      ------------    ------------     ------------
                  Net cash from operating activities                         3,581           3,477            3,492

CASH FLOWS FROM INVESTING ACTIVITIES
     Net change in interest-earning deposits                                     -           1,000           (1,000)
     Proceeds from maturities of securities
       available for sale                                                   10,654           5,227            3,000
     Purchase of securities available for sale                             (32,007)        (10,005)         (14,105)
     Proceeds from maturities of securities held
       to maturity                                                          22,937          19,601           23,144
     Purchase of securities held to maturity                                (4,418)        (13,177)         (10,751)
     Proceeds from other securities                                            200             700            2,000
     Purchase of other securities                                           (2,474)         (1,036)          (4,436)
     Net increase in portfolio loans                                        (8,821)         (7,290)          (6,517)
     Premises and equipment expenditures                                      (120)           (787)            (282)
                                                                      ------------    ------------     ------------
         Net cash from investing activities                                (14,049)         (5,767)          (8,947)

CASH FLOWS FROM FINANCING ACTIVITIES
     Net increase in deposits                                                8,123           4,135           16,458
     Dividends paid                                                         (2,078)         (1,920)          (1,808)
     Proceeds from exercise of stock options                                    92              56                5
     Purchases of common stock                                                 (76)             (5)               -
                                                                      ------------    ------------     ------------
         Net cash from financing activities                                  6,061           2,266           14,655
                                                                      ------------    ------------     ------------

Net change in cash and cash equivalents                                     (4,407)            (24)           9,200

Cash and cash equivalents at beginning of year                              19,280          19,304           10,104
                                                                      ------------    ------------     ------------

CASH AND CASH EQUIVALENTS AT END OF YEAR                              $     14,873    $     19,280     $     19,304
                                                                      ============    ============     ============

Supplemental disclosure of cash flow information
     Cash paid during the period for
         Interest                                                     $      6,022    $      6,426     $      6,046
         Income taxes                                                        1,320           1,306            1,123
</TABLE>

          See accompanying notes to consolidated financial statements.


                                       5
<PAGE>   8


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation: The consolidated financial statements include CNB
Corporation (the Company) and its wholly-owned subsidiary, Citizens National
Bank of Cheboygan (the Bank). All significant intercompany accounts and
transactions are eliminated in consolidation.

Nature of Operations and Concentrations of Credit Risk: The Company is a
one-bank holding company which conducts no direct business activities. All
business activities are performed by the Bank.

The Bank provides a full range of banking services to individuals, agricultural
businesses, commercial businesses and light industries located in its service
area. It maintains a diversified loan portfolio, including loans to individuals
for home mortgages, automobiles and personal expenditures, and loans to business
enterprises for current operations and expansion. The Bank offers a variety of
deposit accounts, including checking, savings, money market, individual
retirement accounts and certificates of deposit.

The principal markets for the Bank's financial services are the Michigan
communities in which the Bank is located and the area immediately surrounding
these communities. The Bank serves these markets through eight offices located
in Cheboygan, Presque Isle and Emmet Counties in northern lower Michigan.

Segments: The Company, through its subsidiary, the Bank, provides a broad range
of financial services to individuals and companies in northern Michigan. These
services include demand, time and savings deposits; lending; ATM processing and
cash management. Operations of the Company are managed and financial performance
is evaluated on a company-wide basis. Accordingly, all of the Company's banking
operations are considered by management to be aggregated in one reportable
operating segment.

Use of Estimates: To prepare financial statements in conformity with generally
accepted accounting principles, management makes estimates and assumptions based
on available information. These estimates and assumptions affect the amounts
reported in the financial statements and the disclosures provided, and future
results could differ. The allowance for loan losses, fair values of financial
instruments, and status of contingencies are particularly subject to change in
the near term.

Cash Flow Reporting: Cash and cash equivalents include cash and due from banks
and federal funds sold. Net cash flows are reported for customer loan and
deposit transactions and interest-earning deposits.


                                   (Continued)

                                       6

<PAGE>   9


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Securities: Securities classified as held to maturity are carried at amortized
cost when management has the positive intent and ability to hold them to
maturity. Securities are classified as available for sale when they might be
sold before maturity. Securities available for sale are carried at fair value,
with unrealized holding gains and losses reported in shareholders' equity, net
of tax. Trading securities are carried at fair value, with changes in unrealized
holding gains and losses included in income. Realized gains and losses are based
on specific identification of amortized cost. Securities are written down to
fair value when a decline in fair value is not temporary. Interest income
includes amortization of purchase premium or discount.

Other securities, which include Federal Reserve Bank stock, Federal Home Loan
Bank stock and other taxable securities that are not readily marketable, are
carried at cost.

Loans: Loans are reported at the principal balance outstanding, net of deferred
loan fees and costs and an allowance for loan losses. Loans held for sale are
reported at the lower of cost or market, on an aggregate basis.

Loan Income: Interest income on loans is accrued over the term of the loans
based upon the principal outstanding and includes amortization of net deferred
loan fees and costs over the loan term. Interest income is not reported when
full loan repayment is in doubt, typically when payments are past due over 90
days, unless the loan is both well secured and in the process of collection.
Payments received on such loans are reported as principal reductions.

Allowance for Loan Losses: The allowance for loan losses is a valuation
allowance for probable credit losses, increased by the provision for loan losses
and decreased by charge-offs less recoveries. Management estimates the allowance
balance required based on past loan loss experience, known and inherent risks in
the portfolio, information about specific borrower situations and estimated
collateral values, economic conditions and other factors. Allocations of the
allowance may be made for specific loans, but the entire allowance is available
for any loan that, in management's judgment, should be charged-off.

Loan impairment is reported when full payment under the loan terms is not
expected. Impairment is evaluated in total for smaller-balance loans of similar
nature such as residential mortgage, consumer and credit card loans, and on an
individual loan basis for other loans. If a loan is impaired, a portion of the
allowance is allocated so that the loan is reported, net, at the present value
of estimated future cash flows using the loan's existing rate or at the fair
value of collateral if repayment is expected solely from the collateral. Loans
are evaluated for impairment when payments are delayed, typically 90 days or
more, or when it is probable that all principal and interest amounts will not be
collected according to the original terms of the loan.

                                   (Continued)

                                       7

<PAGE>   10


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Premises and Equipment: Premises and equipment are stated at cost less
accumulated depreciation. Depreciation is computed on the straight-line method
over the assets useful lives. These assets are reviewed for impairment when
events indicate the carrying amount may not be recoverable. Maintenance and
repairs are charged to expense and improvements are capitalized.

Other Real Estate Owned: Real estate properties acquired through, or in lieu of,
loan foreclosure are initially recorded at fair value at acquisition. Any
reduction to fair value from the carrying value of the related loan is accounted
for as a loan loss. After acquisition, a valuation allowance reduces the
reported amount to the lower of the initial amount or fair value less costs to
sell. Expenses, gains and losses on disposition, and changes in the valuation
allowance are reported in other expenses.

Servicing Rights: Servicing rights represent the allocated value of servicing
rights retained on loans sold. Servicing rights are expensed in proportion to,
and over the period of, estimated net servicing revenues. Impairment is
evaluated based on the fair value of the rights, using groupings of the
underlying loans as to interest rates and then, secondarily, as to geographic
and prepayment characteristics. Any impairment of a grouping is reported as a
valuation allowance.

Employee Benefits: A defined benefit pension plan covers substantially all
employees, with benefits based on years of service and compensation prior to
retirement. Contributions to the plan are based on the maximum amount deductible
for income tax purposes. A 401(k) savings and retirement plan has also been
established and covers substantially all employees. Contributions to the 401(k)
plan are made and expensed annually.

Stock Options: No expense for stock options is recorded, as the grant price
equals the market price of the stock at grant date. Pro forma disclosures show
the effect on income and earnings per share had the options' fair value been
recorded using an option pricing model. The pro forma effect is expected to
increase in the future as additional options are granted. Options granted vest
over one year and have a maximum term of ten years. There are 16,858 shares
authorized for future grant.

Income Taxes: Income tax expense is the sum of the current year income tax due
or refundable and the change in deferred tax assets and liabilities. Deferred
tax assets and liabilities are the expected future tax consequences of temporary
differences between the carrying amounts and tax bases of assets and
liabilities, computed using enacted tax rates. A valuation allowance, if needed,
reduces deferred tax assets to the amount expected to be realized.

Earnings Per Share: Basic earnings per share is based on the net income divided
by the weighted average number of shares outstanding during the period. Diluted
earnings per share shows the dilutive effect of additional potential shares
issuable under stock options.

                                   (Continued)

                                       8

<PAGE>   11


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Stock Splits and Stock Dividends: Dividends issued in stock are reported by
transferring the market value of the stock issued from retained earnings to
common stock and additional paid-in capital. Stock splits are recorded by
adjusting par value. Fractional shares are paid in cash for all stock splits and
dividends. A five percent stock dividend was declared in 1999, 1998, and 1997.
On January 13, 2000 the Board of Directors declared a five percent stock
dividend to be paid on March 1, 2000 to shareholders. Basic earnings per share,
diluted earnings per share and dividends per share have been restated for all
stock splits and stock dividends, including the five percent stock dividend
declared January 13, 2000. In 1997 shareholders of the Company approved an
increase in the number of authorized shares from 1,000,000 to 2,000,000.

Financial Instruments with Off-Balance-Sheet Risk: The Company, in the normal
course of business, makes commitments to extend credit which are not reflected
in the consolidated financial statements. A summary of these commitments is
disclosed in Note 12.

Comprehensive Income: Comprehensive income consists of net income and other
comprehensive income (loss). Other comprehensive income (loss) includes the net
change in net unrealized appreciation (depreciation) on securities available for
sale, net of tax which is also recognized as a separate component of
shareholders' equity. The accounting standard that requires reporting
comprehensive income first applied for 1998, with prior information restated to
be comparable.

Fair Values of Financial Instruments: Fair values of financial instruments are
estimated using relevant market information and other assumptions. Fair value
estimates involve uncertainties and matters of significant judgment regarding
interest rates, credit risk, prepayments, and other factors, especially in the
absence of broad markets for particular items. Changes in assumptions or in
market conditions could significantly affect the estimates. The fair value
estimates of existing on- and off-balance-sheet financial instruments do not
include the value of anticipated future business or the values of assets and
liabilities not considered financial instruments.

New Accounting Pronouncements: New accounting guidance for derivative
instruments and hedging activities, will apply for 2001. All derivative
instruments will be recorded at their fair values. If the derivatives
instruments are designated as hedges of fair values, both the change in the fair
value of the hedge and the hedged item will be included in current earnings.
Fair value adjustments related to cash flow hedges will be recorded in other
comprehensive income and reclassified to earnings when hedged transaction is
reflected in earnings. Ineffective portions of hedges are reflected in income
currently. This is not expected to have a material effect but the effect will
depend on derivative holdings when this standard applies.

Reclassification: Some items in prior financial statements have been
reclassified to conform with the current presentation.

                                   (Continued)

                                       9

<PAGE>   12


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 2 - SECURITIES

The amortized cost and fair values of securities at year end, were as follows:

<TABLE>
<CAPTION>
                                                                          Gross            Gross
                                                        Amortized      Unrealized       Unrealized         Fair
Available for sale                                        Cost            Gains           Losses           Value
                                                          ----            -----           ------           -----
     1999                                                                    (In thousands)
     ----
<S>                                                  <C>              <C>             <C>              <C>
         U.S. Government and agency                  $     38,725     $          1    $       (484)    $     38,242
         State and municipal                                6,333                1             (97)           6,237
                                                     ------------     ------------    ------------     ------------

                                                     $     45,058     $          2    $       (581)    $     44,479
                                                     ============     ============    ============     ============
     1998
     ----
         U.S. Government and agency                  $     21,046     $        211    $          -     $     21,257
         State and municipal                                2,763              137               -            2,900
                                                     ------------     ------------    ------------     ------------

                                                     $     23,809     $        348    $          -     $     24,157
                                                     ============     ============    ============     ============

Held to maturity
     1999
     ----
         U.S. Government and agency                  $          -     $          -    $          -     $          -
         State and municipal                               15,116               20            (114)          15,022
                                                     ------------     ------------    ------------     ------------

                                                     $     15,116     $         20    $       (114)    $     15,022
                                                     ============     ============    ============     ============
     1998
     ----
         U.S. Government and agency                  $     14,053     $         95    $          -     $     14,148
         State and municipal                               19,614              388              (1)          20,001
                                                     ------------     ------------    ------------     ------------

                                                     $     33,667     $        483    $         (1)    $     34,149
                                                     ============     ============    ============     ============
</TABLE>

There were no sales of securities during 1999, 1998 and 1997.

Contractual maturities of debt securities at year end 1999 were as follows.
Expected maturities may differ from contractual maturity because borrowers may
have the right to call or prepay obligations with or without call or prepayment
penalties.

<TABLE>
<CAPTION>
                                                          Available For Sale                Held to Maturity
                                                        Amortized         Fair           Amortized         Fair
                                                          Cost            Value            Cost            Value
                                                          ----            -----            ----            -----
                                                                             (In thousands)
<S>                                                  <C>              <C>             <C>              <C>
         Due in one year or less                     $     13,505     $     13,463    $      7,096     $      7,072
         Due from one to five years                        30,662           30,147           5,573            5,537
         Due from five to ten years                           891              869           1,227            1,202
         Due after ten years                                    -                -           1,220            1,211
                                                     ------------     ------------    ------------     ------------

                                                     $     45,058     $     44,479    $     15,116     $     15,022
                                                     ============     ============    ============     ============
</TABLE>

                                   (Continued)

                                       10

<PAGE>   13


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 2 - SECURITIES (Continued)

Securities with a carrying value of $956,000 and $994,000 were pledged at
December 31, 1999 and 1998, to secure public deposits and for other purposes.

Except as indicated below, total securities of any state (including its
political subdivisions) were less than 10% of shareholders' equity. At year end
1999 and 1998, the amortized cost of securities issued by the state of Michigan
and all of its political subdivisions totaled $13,316,000 and $10,305,000 with
an estimated fair value of $13,229,000 and $10,631,000, respectively. At year
end 1999 and 1998, the amortized cost of securities issued by the state of
Illinois and all of its political subdivisions totaled $3,160,000 and $3,800,000
with an estimated fair value of $3,138,000 and $3,851,000, respectively.


NOTE 3 - LOANS

Year end loans were as follows:
<TABLE>
<CAPTION>
                                                                                           1999            1998
                                                                                           ----            ----
                                                                                             (In thousands)
<S>                                                                                   <C>              <C>
         Residential real estate                                                      $     71,709     $     69,319
         Consumer                                                                           10,891           10,229
         Commercial real estate                                                             24,810           20,202
         Commercial                                                                         11,939           10,836
                                                                                      ------------     ------------
                                                                                           119,349          110,586
         Deferred loan origination fees, net                                                   (58)             (81)
         Allowance for loan losses                                                          (1,583)          (1,518)
                                                                                      ------------     ------------

                                                                                      $    117,708     $    108,987
                                                                                      ============     ============
</TABLE>

Activity in the allowance for loan losses is summarized as follows:

<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                      (In thousands)
<S>                                                                   <C>             <C>              <C>
         Beginning balance                                            $      1,518    $      1,442     $      1,361
         Provision for loan losses                                             100             100              100
         Charge-offs                                                           (43)            (52)             (38)
         Recoveries                                                              8              28               19
                                                                      ------------    ------------     ------------

         Ending balance                                               $      1,583    $      1,518     $      1,442
                                                                      ============    ============     ============
</TABLE>

The Company had no impaired loans for 1999 and 1998. There were no loans held
for sale at year end 1999 and 1998.

                                   (Continued)

                                       11

<PAGE>   14


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 4 - LOAN SERVICING

Mortgage loans serviced for others are not reported as assets. These loans
totaled $34,401,000 and $30,895,000 at year end 1999 and 1998, respectively.
Related escrow deposit balances were $53,000 and $49,000, respectively.
Capitalized mortgage servicing rights balances were $198,000 and $158,000 at
year end 1999 and 1998. The related additions recognized were $58,000, $97,000
and $65,000 and the amortization was $17,000, $68,000 and $18,000 in 1999, 1998
and 1997.


NOTE 5 - PREMISES AND EQUIPMENT

Year end premises and equipment were as follows:
<TABLE>
<CAPTION>
                                                                                           1999            1998
                                                                                           ----            ----
                                                                                             (In thousands)
<S>                                                                                   <C>              <C>
         Real estate and buildings                                                    $      3,590     $      3,588
         Furniture and fixtures                                                              3,104            2,986
                                                                                      ------------     ------------
                                                                                             6,694            6,574
         Less accumulated depreciation                                                      (3,678)          (3,378)
                                                                                      ------------     ------------

                                                                                      $      3,016     $      3,196
                                                                                      ============     ============
</TABLE>

Depreciation expense amounted to $300,000, $277,000 and $275,000 in 1999, 1998
and 1997, respectively.


NOTE 6 - DEPOSITS

Time deposit accounts individually exceeding $100,000 total $15,333,000 and
$12,444,000 at year end 1999 and 1998, respectively.

At year end 1999, the scheduled maturities of time deposits are as follows:
<TABLE>
<CAPTION>
                                                                                     (In thousands)
<S>                                                                                <C>
                           2000                                                       $     51,405
                           2001                                                             10,225
                           2002                                                              2,410
                           2003                                                              1,347
                           2004                                                              1,167
                                                                                      ------------
                                                                                      $     66,554
                                                                                      ============
</TABLE>

                                   (Continued)

                                       12

<PAGE>   15


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997




NOTE 7 - EMPLOYEE BENEFITS

Defined Benefit Retirement Plan: The Company has a defined benefit,
noncontributory pension plan which provides retirement benefits for essentially
all employees. The following sets forth the plan's funded status and amounts
recognized in the financial statements:

<TABLE>
<CAPTION>
                                                                                           1999            1998
                                                                                           ----            ----
                                                                                             (In thousands)
<S>                                                                                   <C>              <C>
Change in benefit obligation:
     Beginning benefit obligation                                                     $     (3,108)    $     (2,658)
     Service cost                                                                             (122)            (126)
     Interest cost                                                                            (199)            (211)
     Actuarial gain                                                                            (97)            (195)
     Benefits paid                                                                             589               82
                                                                                      ------------     ------------
     Ending benefit obligation                                                              (2,937)          (3,108)

Change in plan assets, at fair value:
     Beginning plan assets                                                                   3,195            2,940
     Actual return                                                                             478              337
     Employer contribution                                                                     287                -
     Benefits paid                                                                            (589)             (82)
                                                                                      ------------     ------------
     Ending plan assets                                                                      3,371            3,195

Funded status                                                                                  434               87
Unrecognized net actuarial loss(gain)                                                          (14)             186
Unrecognized transition amount                                                                 (86)            (114)
Unrecognized prior service amount                                                              (37)             (40)
                                                                                      ------------     ------------
Accrued pension cost                                                                  $        297     $        119
                                                                                      ============     ============
</TABLE>

Net pension expense and related year end assumptions consist of the following:

<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                      (In thousands)
<S>                                                                   <C>             <C>              <C>
     Service cost                                                     $        122    $        126     $        109
     Interest cost on benefit obligation                                       199             211              197
     Expected return on plan assets                                           (226)           (232)            (196)
     Net amortization and deferral                                             (13)            (14)             (10)
                                                                      ------------    ------------     ------------

         Pension expense                                              $         82    $         91     $        100
                                                                      ============    ============     ============
</TABLE>

                                   (Continued)

                                       13

<PAGE>   16


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 7 - EMPLOYEE BENEFITS (Continued)

<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                     (In thousands)
<S>                                                                       <C>             <C>              <C>
     Weighted average discount rate                                       7.50%            7.50%           8.00%
     Rate of increase in future compensation                              5.00%            5.00%           5.00%
     Expected long term return on plan assets                             8.00%            8.00%           8.00%
</TABLE>

Plan assets are administered by Empire National Bank as trustee of the plan.
Plan assets are invested in diversified mutual funds operated and administered
by the Frank Russell Investment Company.

Deferred Compensation Plan: The Company has a deferred compensation plan to
provide retirement benefits to certain Directors, at their option, in lieu of
annual directors' fees. The present value of future benefits are accrued
annually over the period of active service of each participant. The expense for
the plan was $164,000, $170,000 and $152,000 in 1999, 1998 and 1997,
respectively.

The Company has also purchased insurance on the lives of participating directors
with the Company as the owner and beneficiary of the policies.

In 1997, the Company adopted a deferred compensation plan that allows Executive
officers of the Bank, at Senior Vice President and above, and certain Directors
an opportunity to defer a portion of their compensation. On a monthly basis, the
account of each participant accrues interest based on the interest rate
determined for that year. The expense of the plan was $7,000, $4,000 and $1,000
in 1999, 1998 and 1997, respectively.

401(k) Plan: The Company has a 401(k) savings and retirement plan covering
substantially all employees. Under the plan, employees may defer up to the
lesser of 20% of their eligible compensation or the limitations set by the IRS.
During 1999, 1998 and 1997, the Board of Directors elected to contribute a
matching contribution equal to 100% of the first 2% and 50% of the next 2% of
the employee's deferred compensation. Employee contributions and the Company's
matching percentages are vested immediately. The Company's matching percentages
are determined annually by the Board of Directors and resulted in total
contributions of $61,000, $58,000 and $54,000 in 1999, 1998 and 1997,
respectively.


                                   (Continued)

                                       14

<PAGE>   17


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997


NOTE 8 - STOCK OPTIONS

Stock Option Plan: The shareholders approved an incentive stock option plan in
May 1996 under which options may be issued at market prices to employees. The
right to exercise the options vests over a one year period. The exercise price
of options granted is equivalent to the market value of underlying stock at the
grant date.

SFAS No. 123 requires proforma disclosures for companies that do not adopt its
fair value accounting method for stock-based employee compensation. Accordingly,
the following proforma information presents net income and earnings per share
had the fair value method been used to measure compensation cost for stock
option plans. Compensation cost actually recognized for stock options was $-0-
for 1999, 1998 and 1997.

The fair value of options granted during 1999 and 1998 is estimated using the
following weighted average information: risk-free interest rate of 5.75% and
5.00% expected life of 10 years, expected dividends of 3.00% and 4.50% per year
and expected stock price volatility of .10 and .11. There were no options
granted for the year ended December 31, 1997.

<TABLE>
<CAPTION>
                                                                 1999             1998            1997
                                                                 ----             ----            ----
                                                                (In thousands, except for per share data)
<S>                                                          <C>             <C>              <C>
Net income as reported                                       $      3,145    $      3,136     $      2,880
Proforma net income                                                 3,075           3,104            2,870

Reported earnings per share
     Basic (1)                                               $       2.78    $       2.77     $       2.54
     Diluted (1)                                                     2.74            2.74             2.54

Proforma earnings per share
     Basic (1)                                               $       2.71    $       2.74     $       2.53
     Diluted (1)                                                     2.68            2.71             2.53
</TABLE>

(1)  Restated for stock dividends, including 5% stock dividend to be paid on
March 1, 2000.


                                   (Continued)

                                       15

<PAGE>   18


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 8 - STOCK OPTIONS (Continued)

Activity in the option plan for the years ended is summarized as follows:

<TABLE>
<CAPTION>
                                                                                         Weighted        Weighted
                                                      Number of                           Average         Average
                                                     Outstanding        Exercise         Exercise       Fair Value
                                                       Options            Price            Price         of Grants
                                                       -------            -----            -----         ---------

<S>                                                  <C>          <C>                 <C>             <C>
         Balance at December 31, 1996                    12,500   $           32.00   $      32.00

         Effect of 5% stock dividend                        625                   -              -
         Exercised                                       (1,050)              30.48          30.48
                                                   ------------   -----------------   ------------
         Balance at December 31, 1997                    12,075               30.48          30.48

         Effect of 5% stock dividend                        599                   -              -
         Granted                                         16,550         40.85-60.00          44.32     $       2.54
         Exercised                                       (2,853)              29.03          29.03
                                                   ------------   -----------------   ------------
         Balance at December 31, 1998                    26,371         29.03-60.00          38.63

         Effect of 5% stock dividend                      1,316                   -              -
         Granted                                         10,000               66.00          66.00     $      11.85
         Exercised                                       (4,894)        27.65-38.90          31.38
                                                   -------------  -----------------   ------------
         Balance at December 31, 1999                    32,793         27.65-66.00          46.51

         Effect of subsequent 5%
           stock dividend                                 1,625                   -              -
                                                   ------------   -----------------   ------------

         Restated balance at December 31,
           1999 (1)                                      34,418   $     26.33-62.86   $      44.30
                                                   ============   =================   ============
</TABLE>

Options exercisable at December 31 are as follows:

<TABLE>
<CAPTION>
                                                                      Weighted
                                                         Number        Average
                                                           Of         Exercise
                                                       Options(1)     Price (1)
                                                       ----------     ---------
<S>                                                    <C>           <C>
                           1997                            13,979    $       26.33
                           1998                            10,828            26.33
                           1999                            23,922            36.14
</TABLE>

At December 31, 1999, options outstanding had a weighted-average remaining life
of 8.7 years.

(1) Restated for stock dividends, including the 5% stock dividend to be paid
March 1, 2000.

                                   (Continued)

                                       16

<PAGE>   19


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 9 - INCOME TAXES

Income tax expense consists of:
<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                      (In thousands)
<S>                                                                   <C>             <C>              <C>
         Current                                                      $      1,282    $      1,338     $      1,204
         Deferred                                                               32             (29)              67
                                                                      ------------    ------------     ------------

                                                                      $      1,314    $      1,309     $      1,271
                                                                      ============    ============     ============
</TABLE>

Year end deferred tax assets and liabilities consist of:
<TABLE>
<CAPTION>
                                                                                           1999            1998
                                                                                           ----            ----
                                                                                              (In thousands)
<S>                                                                                   <C>              <C>
         Deferred tax assets
              Allowance for loan losses                                               $        391     $        369
              Deferred compensation                                                            440              403
              Unrealized loss on securities available for sale                                 198                -
              Other                                                                             10               19
                                                                                      ------------     ------------

                  Total deferred tax assets                                                  1,039              791
                                                                                      ------------     ------------

         Deferred tax liabilities
              Pension                                                                          115               41
              Unrealized gains on securities
                available for sale                                                               -              118
              Fixed assets                                                                      74               53
              Mortgage servicing rights                                                         67               54
              Accretion                                                                         10               36
                                                                                      ------------     ------------
                  Total deferred tax liabilities                                               266              302
                                                                                      ------------     ------------

                      Net deferred tax asset                                          $        773     $        489
                                                                                      ============     ============
</TABLE>

Income tax expense calculated at the statutory rate of 34% differs from actual
income tax expense as follows:

<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                      (In thousands)
<S>                                                                   <C>             <C>              <C>
         Statutory rate applied to income before taxes                $      1,516    $      1,511     $      1,411
         Deduct
              Tax-exempt interest income                                      (160)           (161)            (133)
              Other                                                            (42)            (41)              (7)
                                                                      ------------    ------------     ------------

                                                                      $      1,314    $      1,309     $      1,271
                                                                      ============    ============     ============
</TABLE>


                                   (Continued)

                                       17

<PAGE>   20


                                 CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 10 - EARNINGS PER SHARE

A reconciliation of the numerators and denominators of the basic earnings per
share and diluted earnings per share computations is presented below:

<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
<S>                                                                   <C>             <C>              <C>
Basic earnings per share
         Net income available to common
              shareholders (in thousands)                             $      3,145    $      3,136     $      2,880
                                                                      ============    ============     ============

         Weighted average shares outstanding,
              adjusted for subsequent five percent stock
              dividend to be paid March 1, 2000                          1,132,822       1,132,322        1,131,631
                                                                      ============    ============     ============

              Basic earnings per share                                $       2.78    $       2.77     $       2.54
                                                                      ============    ============     ============

Diluted earnings per share
         Net income available to common
              shareholders (in thousands)                             $      3,145    $      3,136     $      2,880
                                                                      ============    ============     ============

         Weighted average shares outstanding,
              adjusted for subsequent five percent stock
              dividend to be paid March 1, 2000                          1,132,822       1,132,322        1,131,631

         Add dilutive effects of assumed exercises
              of stock options                                              16,660          10,160            2,499
                                                                      ------------    ------------     ------------

         Weighted average dilutive
              potential shares outstanding                               1,149,482       1,142,482        1,134,130
                                                                      ============    ============     ============

              Diluted earnings per share                              $       2.74    $       2.74     $       2.54
                                                                      ============    ============     ============
</TABLE>

                                   (Continued)

                                       18
<PAGE>   21
                                CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997





NOTE 11 - RELATED PARTY TRANSACTIONS

Certain directors and executive officers of the Corporation and the Bank
(including family members, affiliates and companies in which they are principal
owners) had loans outstanding with the Bank in the ordinary course of business.
A summary of the aggregate loans outstanding which exceeded $60,000 to these
individuals follows:


<TABLE>
<CAPTION>
                                                                  1999            1998
                                                                  ----            ----
                                                                    (In thousands)

<S>                                                          <C>             <C>
         Balance outstanding, January 1                      $      2,382    $      2,311
         New loans and rewrites                                     3,716           1,909
         Payments and payoffs                                      (3,063)          1,570
         Other                                                         47            (268)
                                                             ------------    ------------
         Balance outstanding, December 31                    $      3,082    $      2,382
                                                             ============    ============
</TABLE>


Related party deposits totaled $1,078,000 and $862,000 at year end 1999 and
1998, respectively.


NOTE 12 - COMMITMENTS, OFF-BALANCE-SHEET RISK, AND CONTINGENCIES

There are various contingent liabilities that are not reflected in the financial
statements, including claims and legal actions arising in the ordinary course of
business. In the opinion of management, after consultation with legal counsel,
the ultimate disposition of these matters is not expected to have a material
effect on financial condition or result of operations.

At year end 1999 and 1998, reserves of $1,054,000 and $1,009,000 were required
as deposits with the Federal Reserve or as cash on hand. These reserves do not
earn interest.

Some financial instruments are used in the normal course of business to meet the
financing needs of customers and to reduce exposure to interest rate changes.
These financial instruments include commitments to extend credit and standby
letters of credit. These involve, to a varying degree, credit and interest-rate
risk in excess of the amount reported in the financial statements.

Exposure to credit loss if the other party does not perform is represented by
the contractual amount for commitments to extend credit and standby letters of
credit. The same credit policies are used for commitments and conditional
obligations as are used for loans.



                                  (Continued)

                                       19
<PAGE>   22



                              CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 12 - COMMITMENTS, OFF-BALANCE-SHEET RISK, AND CONTINGENCIES
(Continued)

Commitments to extend credit are agreements to lend to a customer as long as
there is no violation of any condition established in the commitment.
Commitments generally have fixed expiration dates or other termination clauses
and may require payment of a fee. Since many of the commitments are expected to
expire without being used, the total commitments do not necessarily represent
future cash requirements. Standby letters of credit are conditional commitments
to guarantee a customer's performance to a third party.

A summary of the notional or contractual amounts of financial instruments with
off-balance-sheet risk at year end were as follows:

<TABLE>
<CAPTION>
                                                      1999            1998
                                                      ----            ----
                                                         (In thousands)

<S>                                              <C>              <C>
         Commitments to extend credit            $     17,323     $     15,336
         Standby letters of credit                         52               49
</TABLE>


Substantially all of these commitments are at variable or uncommitted rates.


NOTE 13 - FAIR VALUES OF FINANCIAL INSTRUMENTS

The following methods and assumptions were used to estimate fair values for
financial instruments. The carrying amount is considered to estimate fair value
for cash and variable rate loans or deposits that reprice frequently and fully.
Securities fair values are based on quoted market prices or, if no quotes are
available, on the rate and term of the security and on information about the
issuer. For fixed rate loans or deposits and for variable rate loans or deposits
with infrequent repricing or repricing limits, the fair value is estimated by
discounted cash flow analysis or underlying collateral values, where applicable.
The fair value of off-balance-sheet items approximates cost and is not
considered significant to this presentation.

The estimated year end values of financial instruments were:


<TABLE>
<CAPTION>
                                                                1 9 9 9                          1 9 9 8
                                                                -------                          -------
                                                        Carrying          Fair           Carrying          Fair
                                                         Amount           Value           Amount           Value
                                                         ------           -----           ------           -----
Assets                                                                       (In thousands)
<S>                                                  <C>              <C>             <C>              <C>
     Cash and cash equivalents                       $     14,873     $     14,873    $     19,280     $     19,280
     Securities available for sale                         44,479           44,479          24,157           24,157
     Securities held to maturity                           15,116           15,022          33,667           34,149
     Other securities                                       5,726            5,726           3,452            3,452
     Loans, net                                           117,708          116,883         108,987          108,988

Liabilities
     Deposits
         Non-interest bearing                        $    (26,158)    $    (26,158)   $    (26,044)    $    (26,044)
         Interest-bearing                                (156,426)        (156,345)       (148,417)        (148,406)
</TABLE>






                                  (Continued)

                                       20
<PAGE>   23



                              CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997



NOTE 14 - REGULATORY CAPITAL

The Company and Bank are subject to regulatory capital requirements administered
by federal banking agencies. Capital adequacy guidelines and prompt corrective
action regulations involve quantitative measures of assets, liabilities, and
certain off-balance-sheet items calculated under regulatory accounting
practices. Capital amounts and classifications are also subject to qualitative
judgments by regulators about components, risk weightings and other factors, and
the regulators can lower classifications in certain cases. Failure to meet
various capital requirements can initiate regulatory action that could have a
direct material effect on the financial statements.

The prompt corrective action regulations provide five classifications, including
well capitalized, adequately capitalized, undercapitalized, significantly
undercapitalized and critically undercapitalized, although these terms are not
used to represent overall financial condition. If adequately capitalized,
regulatory approval is required to accept brokered deposits. If
undercapitalized, capital distributions are limited, as is asset growth and
expansion, and plans for capital restoration are required. The minimum
requirements are:


<TABLE>
<CAPTION>
                                                               Capital to Risk-
                                                                Weighted Assets           Tier 1 Capital
                                                            Total            Tier 1      To Average Assets
                                                            -----            ------      -----------------
<S>                                                          <C>               <C>              <C>
         Well capitalized                                    10%               6%               5%
         Adequately capitalized                              8%                4%               4%
         Undercapitalized                                    6%                3%               3%
</TABLE>


The Company and Bank were categorized as well capitalized at year end. Actual
capital levels (in millions) and minimum required levels were:

<TABLE>
<CAPTION>
                                                                                               Minimum Required
                                                                                                  To Be Well
                                                                      Minimum Required         Capitalized Under
                                                                         For Capital           Prompt Corrective
                                                  Actual              Adequacy Purposes       Action Regulations
                                                  ------              -----------------       ------------------
                                             Amount       Ratio      Amount        Ratio     Amount         Ratio
                                             ------       -----      ------        -----     ------         -----
<S>                                        <C>            <C>      <C>             <C>      <C>             <C>
1999

Total capital (to risk weighted assets)
   Consolidated                            $  21.8        18.5%    $   9.4         8.0%     $  11.8         10.0%
   Bank                                       21.7        18.4         9.4         8.0         11.8         10.0
Tier 1 capital (to risk weighted assets)
   Consolidated                               20.3        17.2         4.7         4.0          7.1          6.0
   Bank                                       20.3        17.2         4.7         4.0          7.1          6.0
Tier 1 capital (to average assets)
   Consolidated                               20.3         9.8         8.3         4.0         10.4          5.0
   Bank                                       20.3         9.8         8.3         4.0         10.4          5.0

1998

Total capital (to risk weighted assets)
   Consolidated                            $  20.6        19.4%    $   8.5         8.0%     $  10.6         10.0%
   Bank                                       20.5        19.4         8.5         8.0         10.6         10.0
Tier 1 capital (to risk weighted assets)
   Consolidated                               19.2        18.1         4.3         4.0          6.4          6.0
   Bank                                       19.2        18.1         4.2         4.0          6.4          6.0
Tier 1 capital (to average assets)
   Consolidated                               19.2         9.8         7.8         4.0          9.8          5.0
   Bank                                       19.2         9.8         7.8         4.0          9.8          5.0
</TABLE>






                                  (Continued)

                                       21
<PAGE>   24



                              CNB CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                        December 31, 1999, 1998 and 1997




NOTE 15 - PARENT COMPANY CONDENSED FINANCIAL STATEMENTS

Following are condensed parent company financial statements:

                            CONDENSED BALANCE SHEETS
                           December 31, 1999 and 1998


<TABLE>
<CAPTION>
                                                                                           1999            1998
                                                                                           ----            ----
                                                                                             (In thousands)
<S>                                                                                   <C>              <C>
ASSETS
Cash                                                                                  $         28     $         31
Investment in subsidiary                                                                    19,891           19,444
Other assets                                                                                   972              944
                                                                                      ------------     ------------

                                                                                      $     20,891     $     20,419
                                                                                      ============     ============

LIABILITIES AND SHAREHOLDERS' EQUITY
Dividends payable                                                                     $        973     $        925
Shareholders' equity                                                                        19,918           19,494
                                                                                      ------------     ------------

                                                                                      $     20,891     $     20,419
                                                                                      ============     ============
</TABLE>



                         CONDENSED STATEMENTS OF INCOME
                  Years ended December 31, 1999, 1998 and 1997


<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                     (In thousands)
<S>                                                                   <C>             <C>              <C>
Dividends from subsidiary                                             $      2,105    $      2,043     $      1,875
Operating expenses                                                             (29)            (54)             (45)
                                                                      ------------    ------------     ------------

Income before income tax and equity
  in undistributed income of subsidiary                                      2,076           1,989            1,830

Income tax benefit                                                              10              18               15

Equity in undistributed income of subsidiary                                 1,059           1,129            1,035
                                                                      ------------    ------------     ------------

NET INCOME                                                            $      3,145    $      3,136     $      2,880
                                                                      ============    ============     ============
</TABLE>







                                  (Continued)



                                       22
<PAGE>   25


NOTE 15 - PARENT COMPANY CONDENSED FINANCIAL STATEMENTS (Continued)

                       CONDENSED STATEMENTS OF CASH FLOWS
                  Years ended December 31, 1999, 1998 and 1997


<TABLE>
<CAPTION>
                                                                          1999             1998            1997
                                                                          ----             ----            ----
                                                                                     (In thousands)
<S>                                                                   <C>             <C>              <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net income                                                            $      3,145    $      3,136     $      2,880
Equity in undistributed net income of subsidiary                            (1,059)         (1,129)          (1,035)
Change in other assets                                                         (27)           (108)             (40)
Change in other liabilities                                                      -               -              (12)
                                                                      ------------    ------------     ------------
     Net cash from operating activities                                      2,059           1,899            1,793

CASH FLOWS FROM FINANCING ACTIVITIES
Dividends                                                                   (2,078)         (1,920)          (1,808)
Net shares issued                                                               16              51                5
                                                                      ------------    ------------     ------------
     Net cash from financing activities                                     (2,062)         (1,869)          (1,803)
                                                                      ------------    ------------     ------------

Net change in cash and cash equivalents                                         (3)             30              (10)

Cash at beginning of year                                                       31               1               11
                                                                      ------------    ------------     ------------

CASH AT END OF YEAR                                                   $         28    $         31     $          1
                                                                      ============    ============     ============
</TABLE>



The Company's primary source of funds to pay dividends to shareholders is the
dividends it receives from the Bank. The Bank is subject to certain restrictions
on the amount of dividends that it may declare without prior regulatory
approval. At December 31, 1999, $5,329,000 of retained earnings were available
for dividend declaration without prior regulatory approval.









                                   (Continued)

                                       23
<PAGE>   26












                          INDEPENDENT AUDITOR'S REPORT



Board of Directors and Shareholders
CNB Corporation
Cheboygan, Michigan


We have audited the accompanying consolidated balance sheets of CNB Corporation
as of December 31, 1999 and 1998, and the related consolidated statements of
income and comprehensive income, changes in shareholders' equity and cash flows
for the years ended December 31, 1999, 1998 and 1997. These financial statements
are the responsibility of the Corporation's management. Our responsibility is to
express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free from
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, the consolidated financial statements referred to above present
fairly, in all material respects, the financial position of CNB Corporation as
of December 31, 1999 and 1998, and the results of its operations and its cash
flows for the years ended December 31, 1999, 1998 and 1997, in conformity with
generally accepted accounting principles.





                                                   Crowe, Chizek and Company LLP

South Bend, Indiana
February 10, 2000







                                  (Continued)



                                       24
<PAGE>   27


                                 CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




This discussion provides information about the consolidated financial condition
and results of operations of CNB Corporation (the Company) and its subsidiary,
Citizens National Bank of Cheboygan (the Bank). This discussion should be read
in conjunction with the financial statements beginning on Page 2 and the related
footnotes.

                               FINANCIAL CONDITION

CASH AND CASH EQUIVALENTS

The Company's balances of cash and cash equivalents decreased $4.4 million from
1998 to 1999. During the year, $6.1 million of cash was provided from financing
activities due to increases in deposits, while $3.6 million of cash was provided
from operating activities. Investing activities utilized $14.0 million of cash
during 1999. The balances maintained in cash and cash equivalents vary based on
daily fluctuations in loan and deposit balances. Sufficient cash is maintained
on a daily basis to meet the anticipated liquidity needs of the Company for
customer transactions and to clear checks drawn on other financial institutions.
The amount of clearings can vary by as much as $3 million in one day, causing
the Company's cash position to vary.

SECURITIES

The Company maintains securities portfolios that include obligations of
Government Sponsored Agencies as well as securities issued by states and
political subdivisions. Security balances increased $1.8 million during 1999.
Securities available for sale represent 74.6% of the portfolio. Currently, the
Company primarily maintains a short-term securities portfolio. The average life
of the security portfolio is being extended as securities of a longer maturity
are added to the portfolio when appropriate. As the amount of securities
maturing on a regular basis decreases, liquidity will be maintained by adding to
the available for sale portfolio.

The chart below shows the change in each of the categories of the portfolio.



<TABLE>
<CAPTION>
                                                                       1999             1998              1997
                                                                       ----             ----              ----
                                 (In thousands)

<S>                                                               <C>               <C>              <C>
         U.S. Government and agency securities                    $     2,932       $    (9,335)     $    (5,353)
         Tax exempt state and municipal                                (3,788)            3,509            1,108
         Taxable state and municipal                                    2,627             4,405            2,920
                                                                  -----------       -----------      -----------

              Total change in securities                          $     1,771       $    (1,421)     $    (1,325)
                                                                  ===========       ===========      ===========
</TABLE>











                                  (Continued)


                                       25
<PAGE>   28


                               CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997





Holdings in state and municipal securities increased during the year primarily
as a result of increases in funds available through the growth of the deposit
portfolio. The chart below shows the percentage composition of the portfolio as
of December 31.


<TABLE>
<CAPTION>
                                                         1999            1998
                                                         ----            ----

<S>                                                      <C>             <C>
         U.S. Government and agency securities           64.17%          61.06%
         Tax exempt state and municipal                  17.15           24.22
         Taxable state and municipal                     18.68           14.71
                                                        ------          ------

                                                        100.00%         100.00%
</TABLE>



Securities available for sale are recorded at fair value and securities held to
maturity are recorded at amortized cost. The net unrealized loss on securities
available for sale at December 31, 1999 was $382,000, net of taxes. The
unrealized gains and losses are temporary, since they are a result of market
changes rather than a reflection of credit quality. Management has no specific
intent to sell these securities at the present time.

The Company maintains a conservative security portfolio with a majority of the
investments in U.S. Government and agency securities and issues of governmental
units in our service area. The maturities of the U.S. Government and agency
securities have typically been very short, two years or less, providing
liquidity in addition to quality.

During 2000, management feels that there will be sufficient liquidity to
increase maturity of the investment portfolio, thereby potentially increasing
the yield.

LOANS

Total loans increased $8.7 million or 8.0% during 1999. Substantial growth
occurred in our commercial real estate lending which grew to $24.8 million in
1999 from $20.2 million in 1998, or a 22.8% increase. As a full service lender,
the Company offers a variety of personal and commercial loans. Home mortgages
comprise the largest portion of the loan portfolio. The Company generally
retains the ownership of adjustable rate loans and short to medium term
fixed-rate loans and originates and sells long term single family residential
fixed-rate mortgage loans to the secondary market. The Company originated $7.7
million in loans for sale in 1999 and $13.0 million in 1998. This practice
allows the Company to meet the housing credit needs of its service area while
maintaining an appropriate interest rate sensitivity and liquidity position. In
addition to mortgage loans, the Company makes loans for personal and business
use, secured and unsecured, to customers in its services area.

The Company maintains a conservative loan policy and strict credit underwriting
standards. All loans are domestic. An annual review of loan concentrations at
December 31, 1999 indicated the pattern of loans in the portfolio has not
changed. There is no individual industry with more than a 10% concentration,
however, all tourism related businesses, when combined, total 10.5% of total
loans.






                                   (Continued)


                                       26
<PAGE>   29

                               CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




ALLOWANCE FOR LOAN LOSSES

The allowance for loan losses represents that amount which management estimates
is adequate to provide for losses inherent in the loan portfolio. Management
determines the adequacy of the allowance for loan losses by reviewing selected
loans (including large loans, non-accrual loans, problem loans and delinquent
loans) and establishes specific loss allowances on these loans. Historical loss
information, local economic conditions and other factors are considered in
establishing allowances on the remaining loan portfolio. The allowance is
increased by provisions charged to expense and reduced by loan losses, net of
recoveries.

The quality of the Company's loan portfolio compares well with its peer group
with non-performing loans at 0.20% of total loans at December 31, 1999 and 0.06%
at December 31, 1998. Net loans charged off were 0.03% of total loans during
1999 and 0.02% in 1998. The allowance for loan losses increased in 1999 and 1998
to an amount considered adequate by management to cover losses that are
currently anticipated based on past experience and specific identification.

CREDIT QUALITY

The Company continues to maintain a high level of asset quality as a result of
actively managing delinquencies, nonperforming assets and potential problem
loans. The Company performs an ongoing review of all large credits to watch for
any deterioration in quality. Nonperforming loans are comprised of: (1) loans
accounted for on a nonaccrual basis; (2) loans contractually past due 90 days or
more as to interest or principal payments (but not included in the nonaccrual
loans in (1) above); and (3) other loans whose terms have been renegotiated to
provide a reduction or deferral of interest or principal because of a
deterioration in the financial position of the borrower (exclusive of loans in
(1) or (2) above). The aggregate amount of nonperforming loans is shown in the
table below.



<TABLE>
<CAPTION>
                                                          December 31,
                                                     1999              1998
                                                     ----              ----
                                                     (Dollars in thousands)

<S>                                               <C>              <C>
         Nonaccrual loans                         $    181         $       -
         Loans past due 90 days or more                 59                62
         Troubled debt restructurings                    -                 -
                                                  --------         ---------

              Total nonperforming loans           $    240         $      62
                                                  ========         =========

         Percent of total loans                        .20%              .06%
                                                  ========         =========
</TABLE>





                                  (Continued)



                                       27
<PAGE>   30


                               CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




DEPOSITS

The Company's service area has experienced steady economic growth. The Company
offers competitive deposit products and has, therefore, shown steady deposit
growth as it increases its market share. Deposits increased $8.1 million or 4.7%
during 1999. Insured money market deposits increased $4.6 million, time deposits
increased $1.9 million and interest-bearing demand increased $1.0 million.

The majority of the Company's deposits are derived from core customers, relating
to long term relationships with local personal, business and public customers.
Deposit rates are monitored continually to assure that the Company pays a
competitive rate.

As of December 31, 1999 the loan to deposit ratio was 65.3% compared to 63.3%
for December 31, 1998. Management continues to emphasize loan growth and would
like to see this ratio at a minimum of 65%. This change in asset mix from
securities to higher yielding loans will increase the net interest margin.

EQUITY

Total equity for the Company at year end 1999 was $19.9 million compared to
$19.5 million in 1998. The Company realized $3.1 million in income and paid out
$2.1 million in dividends during 1999. The unrealized gain on securities
available for sale decreased equity $ 611,000.


                         LIQUIDITY AND FUNDS MANAGEMENT

Effective liquidity management ensures that the cash flow requirements of
depositors and borrowers, as well as the operating cash needs of the Company are
met. The Company's sources of funds have been dividends from the Bank. The
Company manages its liquidity position to provide cash necessary to pay
dividends to shareholders and satisfy other operating requirements.

The Bank manages liquidity to insure adequate funds are available to meet the
cash flow needs of depositors and borrowers. The Bank's most readily available
sources of liquidity are federal funds sold, securities classified as available
for sale and securities classified as held to maturity maturing within one year.
These sources of liquidity are supplemented by new deposits and by loan payments
received from customers. As of December 31, 1999 the Company held $6.3 million
in federal funds sold, $44.5 million in securities available for sale and $7.1
million in held to maturity maturing within one year. These short-term assets
represents 31.7% of total deposits as of December 31, 1999. Historically, the
Company's security portfolio has been short-term in nature, with the average
life of the portfolio consistently being less than two years. The Company serves
a market which is highly tied to the tourist industry. Consequently, the Company
experiences seasonal swings in liquidity. Deposit growth occurs during July,
August, and September, then may decline through the fall and winter months.
The Company does not anticipate any significant change in its seasonal pattern.









                                  (Continued)




                                       28
<PAGE>   31



                               CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




INTEREST RATE SENSITIVITY

The following schedule details the maturities and yields of interest-bearing
financial instruments at December 31, 1999 and 1998, for the next five years and
thereafter. The values represent the contractual maturity of each instrument.
For loan instruments without contractual maturities management has allocated
principal payments based upon historical trends of payment activity. Where there
is no set maturity, as in the case of some interest-bearing liabilities,
management has allocated the amounts based upon its expectation of cash flows,
incorporating internal core deposit studies and current expectations of customer
behavior. For loans, securities and liabilities with contractual maturities, the
table presents principal cash flows and related weighted-average interest rates
by contractual maturities. The data in the table was aggregated by type of
financial instrument fixed and variable rate loans, fixed and variable rate
securities and fixed and variable rate deposits. The Company has no interest
rate swaps, interest rate caps or interest rate floors. Therefore, data
concerning these instruments is not included in the table.

The primary source of market risk for the financial instruments presented is
interest rate risk. That is, the risk that an adverse change in market rates
will adversely affect the market value of the instruments. Generally, the longer
the maturity, the higher the interest rate risk exposure. While maturity
information does not necessarily present all aspects of exposure, it may provide
an indication of where risks are prevalent.

All financial institutions assume interest rate risk as an integral part of
normal operations. Managing and measuring interest rate risk is a dynamic,
multi-faceted process that ranges from reducing the exposure of the Company's
net interest margin to swings in interest rates, to assuring sufficient capital
and liquidity to support future balance sheet growth. The Company manages
interest rate risk through the Asset/Liability Committee. The Asset/Liability
Committee is comprised of bank officers from various disciplines. The Committee
establishes policies and rates which lead to the prudent investment of
resources, the effective management of risks associated with changing interest
rates, the maintenance of adequate liquidity and the earning of an adequate
return on shareholders' equity.








                                  (Continued)


                                       29
<PAGE>   32



                               CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




       MARKET RISK DISCLOSURE OF SCHEDULED MATURITIES AT DECEMBER 31, 1999
                             (Dollars in thousands)
<TABLE>
<CAPTION>
                                                                                                              Fair Value
                                     2000       2001       2002       2003       2004    Thereafter    Total   12/31/99
                                     ----       ----       ----       ----       ----    ----------    -----   --------
<S>                               <C>        <C>        <C>        <C>        <C>        <C>       <C>        <C>
RATE-SENSITIVE ASSETS
   Variable interest rate loans   $  7,282   $  2,907   $  3,817   $  2,148   $  2,068   $ 23,033  $  41,255  $  41,255
     Average interest rate            8.95%      8.49%      8.65%      8.34%      8.39%      8.10%      8.36%
   Fixed interest rate loans        17,618      8,675     11,751      5,025      7,895     27,130     78,094     77,269
     Average interest rate            9.11%      8.83%      8.73%      8.19%      8.34%      7.50%      8.33%
   Variable interest rate
     securities                        175        484          -          -          -          -        659        659
     Average interest rate            6.03%      6.03%         -%         -%         -%         -%      6.03%
   Fixed interest rate securities   20,384     16,515     13,949      2,935      1,837      3,316     58,936     58,842
     Average interest rate            5.45%      5.46%      5.67%      5.72%      5.47%      5.26%      5.51%
RATE-SENSITIVE LIABILITIES
   Noninterest-bearing deposits     26,158          -          -          -          -          -     26,158     26,158
     Average interest rate               -%         -%         -%         -%         -%         -%         -%
   Fixed interest rate
     savings and
     interest-bearing deposits     46,337      12,438     12,438     12,438      6,221          -     89,872     89,871
     Average interest rate           3.53%       2.84%      2.84%      2.84%      2.84%         -%      3.20%
   Fixed interest rate
     time deposits                 51,405      10,225      2,410      1,347      1,167          -     66,554     66,474
     Average interest rate           5.04%       5.15%      5.95%      5.60%      5.52%         -%      5.11%
</TABLE>


       MARKET RISK DISCLOSURE OF SCHEDULED MATURITIES AT DECEMBER 31, 1998
                             (Dollars in thousands)

<TABLE>
<CAPTION>
                                                                                                              Fair Value
                                        1999       2000       2001       2002       2003    Thereafter    Total   12/31/98
                                        ----       ----       ----       ----       ----    ----------    -----   --------
<S>                                  <C>        <C>        <C>        <C>        <C>        <C>       <C>        <C>
RATE-SENSITIVE ASSETS
   Variable interest rate loans      $  8,510   $  2,998   $  2,994   $  3,682   $  2,123   $ 22,231  $  42,538  $  42,538
     Average interest rate               9.65%      8.45%      8.20%      8.20%      8.04%      7.77%      8.27%
   Fixed interest rate loans           16,186     10,226      7,058      5,599      3,577     25,402     68,048     68,049
     Average interest rate               9.50%      9.36%      8.93%      8.49%      8.47%      7.42%      8.51%
   Variable interest rate
     securities                         2,955        540          -          -          -          -      3,495      3,495
     Average interest rate               5.61%      5.25%         -%         -%         -%         -%      5.55%
   Fixed interest rate securities      30,673     16,233      4,627      1,867      1,005`     2,624     57,029     57,511
     Average interest rate               6.16%      5.92%      6.23%      6.48%      6.89%      7.45%      6.18%
RATE-SENSITIVE LIABILITIES
   Noninterest-bearing deposits        26,044          -          -          -          -          -     26,044     26,044
     Average interest rate                  -%         -%         -%         -%         -%         -%         -%
   Fixed interest rate
     savings and
     interest-bearing deposits         43,221     11,686     11,686     11,686     5,841          -     84,120     84,115
     Average interest rate               3.24%      2.77%      2.77%      2.77%     2.77%         -%      3.01%
   Fixed interest rate
     time deposits                     46,415     12,835      2,341      1,798       908          -     64,297     64,291
     Average interest rate               5.20%      5.44%      5.69%      5.75%     5.85%         -%      5.29%
</TABLE>






                                  (Continued)



                                       30
<PAGE>   33


                                 CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997



CAPITAL RESOURCES

The capital ratios of the Company exceed the regulatory guidelines for well
capitalized institutions. The Company has maintained an average leverage ratio
of 9.8% for the last three years. This strong capital position provides the
Company with the flexibility to leverage its capital to be able to take
advantage of expansion opportunities. The Company's strong capital position also
provides the flexibility to continue with a high dividend payout ratio which has
averaged 65.0% over the past three years. Earnings are projected to continue at
current levels or better which will allow the Company to continue to pay out
dividends at this level.

A five percent stock dividend was distributed to shareholders in 1998 and 1999,
and a five percent stock dividend was declared on January 13, 2000 and is
payable on March 1, 2000. The stock of the Company is generally traded locally.
Additional information concerning capital ratios and shareholder return is
included in the Financial Highlights schedule. The Company maintains a five year
plan and utilizes a formal strategic planning process. Management and the Board
continue to monitor long term goals, which include increasing market share and
maintaining long term earnings sufficient to pay consistent dividends.

                              RESULTS OF OPERATIONS

NET INTEREST INCOME

Interest income is the total amount earned on funds invested in federal funds
sold, securities and loans. Interest expense is the amount of interest paid on
interest-bearing checking, savings and time deposits accounts. Net interest
income is the difference between interest income and interest expense. The net
margin is the net interest income as a percentage of average interest-earning
assets. Interest spread is the difference between the yield on average
interest-earning assets and the cost of average interest-bearing liabilities. In
1999, net interest income increased $257,000 or 3.2%, due to an increase in
average interest-earning assets of $8.7 million or 4.8%. The overall yield on
average interest-earning assets was 7.47% for 1999 compared to 7.85% for 1998.
The net interest margin decreased to 4.29% in 1999 compared to 4.36% in 1998.
This decrease can be attributable to a lower yield on an increasing volume of
average interest-earning assets.

In 1998, net interest income increased $321,000 or 4.2%, due to an increase in
average interest-earning assets of $11.5 million or 6.7%. The overall yield on
average interest-earning assets was 7.85% for 1998 compared to 8.02% for 1997,
while the cost on average interest-bearing liabilities was 4.31% for 1998
compared to 4.35% for 1997. The net interest margin decreased to 4.36% in 1998
compared to 4.46% in 1997. This decrease can be attributable to a lower yield on
an increasing volume of average interest-earning assets.

<PAGE>   34


                                 CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




The following table shows the daily average Consolidated Balance Sheet, revenue
on average interest-earning assets (on a pre-tax basis), expense on average
interest-bearing liabilities, and the annualized effective rate or yield for the
periods ending:

          Yield Analysis of Consolidated Average Assets and Liabilities
                             (Dollars in thousands)


<TABLE>
<CAPTION>
                                Year Ended                       Year Ended                     Year Ended
                             December 31, 1999                December 31, 1998              December 31, 1997
                             -----------------                -----------------              -----------------
                         Average               Yield/     Average               Yield/   Average               Yield/
                         Balance      Int       Rate      Balance      Int       Rate    Balance      Int       Rate
<S>                   <C>        <C>           <C>    <C>         <C>           <C>   <C>        <C>           <C>
Interest-earning assets:
  Interest-earning
    deposits          $      -   $      -         -%  $     534   $     32      5.99% $     460  $      27     5.87%
  Federal funds sold     7,818        426      5.45      10,249        579      5.65      9,293        535     5.76
  Total securities (1)  69,608      3,860      5.55      65,313      3,751      5.76     59,950      3,558     5.93

  Loans                114,042     10,010      8.78     106,661      9,959      9.34    101,518      9,608     9.46
                      --------  ---------             ---------  ---------            ---------  ---------
    Total
      interest-earning
      assets           191,468     14,296      7.47%    182,757     14,321      7.85%   171,221     13,728     8.02%
                                ---------                        ---------                       ---------
Cash and due from
    banks                6,945                            6,251                           5,819
Premises and
  equipment, net         3,130                            2,846                           2,590
Other assets             2,527                            2,400                           2,426
                     ---------                        ---------                       ---------
    Total            $ 204,070                        $ 194,254                       $ 182,056
                     =========                        =========                       =========


Interest-bearing
  liabilities:
  Interest-bearing
    demand deposits  $  15,905  $     304      1.91%  $  14,792  $     342      2.31% $  13,943  $     333     2.39%
  Savings deposits      73,293      2,482      3.39      67,684      2,522      3.72     63,189      2,377     3.76
  Time deposits         65,168      3,291      5.05      65,005      3,495      5.38     62,798      3,377     5.38
                     ---------  ---------             ---------  ---------            ---------  ---------
    Total
      interest-bearing
      liabilities      154,366      6,077      3.94%    147,661      6,359      4.31%   139,930      6,087     4.35%
                                ---------                        ---------                       ---------
Non-interest bearing
  deposits              27,491                           25,520                          22,484
Other liabilities        2,093                            1,922                           1,757
Shareholders' equity    20,120                           19,151                          17,885
                     ---------                        ---------                       ---------
    Total            $ 204,070                        $ 194,254                       $ 182,056
                     =========                        =========                       =========
Net interest income             $   8,219                        $   7,962                       $   7,641
                                =========                        =========                       =========
Net interest spread                            3.53%                            3.53%                          3.67%
                                           ========                         ========                        =======
Net yield on
  interest earning
  assets                                       4.29%                            4.36%                          4.46%
                                           ========                         ========                        =======
Ratio of interest
  earning assets
  to interest bearing
  liabilities             1.23x                            1.24x                           1.22x
</TABLE>


(1) Yield computed using the average amortized cost for securities available for
sale.


<PAGE>   35

                                 CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997





The table below shows the effect of volume and rate changes on net interest
income on a pre-tax basis.



<TABLE>
<CAPTION>
                                                        1999 Compared to 1998            1998 Compared to 1997
                                                        ---------------------            ---------------------
                                                     Volume      Rate        Net      Volume      Rate        Net
                                                     ------      ----        ---      ------      ----        ---
                                                                            (In thousands)
<S>                                                <C>        <C>        <C>        <C>        <C>        <C>
Interest-earning deposits                          $     (32) $       -  $     (32) $       4  $       1  $       5
Federal funds sold                                      (133)       (20)      (153)        54        (10)        44
Total securities                                         241       (132)       109        311       (118)       193
Loans, net                                               667       (616)        51        482       (131)       351
                                                   ---------  ---------  ---------  ---------  ---------  ---------
   Total interest-earning assets                         743       (768)       (25)       851       (258)       593

Interest-bearing demand deposits                          24        (62)       (38)        20        (11)         9
Savings deposits                                         193       (233)       (40)       168        (23)       145
Time deposits                                              9       (213)      (204)       119         (1)       118
                                                   ---------  ---------  ---------  ---------  ---------  ---------
   Total interest-bearing deposits                       226       (508)      (282)       307        (35)       272
                                                   ---------  ---------  ---------  ---------  ---------  ---------

     Net change in net interest income (a)         $     517  $    (260) $     257  $     544  $    (223) $     321
                                                   =========  =========  =========  =========  =========  =========
</TABLE>


(a)  The net change in interest due to both rate and volume has been allocated
     to volume and rate changes in proportion to the relationship of the
     absolute dollar amounts of the change in each.

NON-INTEREST INCOME

Non-interest income is derived primarily from deposit account fees, fees for
customer services and gains on the sale of residential real estate mortgages to
the secondary market. Non-interest income decreased $141,000 or 9.8% due to a
significant extent to selling less mortgages to the secondary market in 1999
compared to 1998. The decrease can be attributed to an increasing rate
environment during 1999.

Non-interest income increased $137,000 or 10.5% in 1998 compared to 1997. Net
realized gains from sales of loans and loan servicing fees, net of amortization
increased $64,000 or 29.5%. Service charge and fee income increased $59,000 or
7.2% and other income increased $14,000 or 5.2%.


<PAGE>   36


                                 CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997




NON-INTEREST EXPENSE

Total non-interest expenses were $5.0 million in 1999 and $4.9 million in 1998.
The Company continued in its efforts to control non-interest expenses during
1999, resulting in total non-interest expenses increasing only 2.1% over 1998
expenses. Salaries, wages and employee benefits remain the largest component of
non-interest expense. These expenses total $2.9 million in 1999 and 1998.
Occupancy expense totaled $650,000 in 1999 compared to $635,000 in 1998 while
other expenses increased to $1.2 million from $1.1 million in 1998.

Total non-interest expenses were $4.9 million in 1998 and $4.7 million in 1997.
The Company continued in its efforts to control non-interest expenses during
1998, resulting in total non-interest expenses increasing only 4.3% over 1997
operating expenses. Salaries, wages and employee benefits remain the largest
component of non-interest expense. These expenses totaled $2.9 million in 1998
and $2.7 million in 1997 or a 7.4% increase. Occupancy expense totaled $635,000
in 1998 compared to $620,000 in 1997 while other expenses decreased to $1.1
million in 1998 from $1.2 million in 1997.

FEDERAL INCOME TAXES

Income tax expense remained unchanged from 1998 to 1999. This was primarily due
to insignificant change in pre-tax income.

The effective tax rates for 1999, 1998 and 1997 are shown in the table below:


<TABLE>
<CAPTION>
                                             1999          1998         1997
                                             ----          ----         ----
<S>                                       <C>           <C>          <C>
Income before tax (In thousands)          $  4,459      $  4,445     $   4,151
Income tax expense (In thousands)            1,314         1,309         1,271
Effective tax rate                            29.5%         29.4%         30.6%
</TABLE>


NET INCOME

Consolidated net income was $3.1 million for 1999, unchanged from 1998. Return
on consolidated average assets for 1999 was 1.54%, compared to 1.61% for 1998.
Return on average shareholders' equity was 15.63% in 1999 compared to 16.38% in
1998. Basic earnings per share for 1999, 1998 and 1997 were $2.78, $2.77 and
$2.54.

<PAGE>   37


                                 CNB CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                        December 31, 1999, 1998 and 1997


FORWARD-LOOKING STATEMENTS

When used in this filing and in future filings involving the Company with the
Securities and Exchange Commission, in the Company's press releases or other
public or shareholder communications, or in oral statements made with the
approval of an authorized executive officer, the words or phases, "anticipate,"
"would be," "will allow," "intends to," "will likely result," "are expected to,"
"will continue," "is anticipated," "estimated," "project," or similar
expressions are intended to identify, "forward looking statements" within the
meaning of the Private Securities Litigation Reform Act of 1995. Such statements
are subject to risks and uncertainties, including but not limited to changes in
economic conditions in the Company's market area, and competition, all or some
of which could cause actual results to differ materiality from historical
earnings and those presently anticipated or projected.

The Company wishes to caution readers not to place undue reliance on any such
forward-looking statements, which speak only as of the date made, and advise
readers that various factors, including regional and national economic
conditions, substantial changes in levels of market interest rates, credit and
other risks of lending and investing activities, and competitive and regulatory
factors, could affect the Company's financial performance and could cause the
Company's actual results for future periods to differ materiality from those
anticipated or projected.

The Company does not undertake, and specifically disclaims any obligation, to
update any forward-looking statements to reflect occurrences or unanticipated
events or circumstances after the date of such statements.

<PAGE>   1
                                                                      EXHIBIT 21


Subsidiary of the Company:

Citizens National Bank of Cheboygan is the sole subsidiary of the Company.

<TABLE> <S> <C>

<ARTICLE> 9
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                           8,573
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                 6,300
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     44,479
<INVESTMENTS-CARRYING>                          15,116
<INVESTMENTS-MARKET>                            15,022
<LOANS>                                        119,291
<ALLOWANCE>                                      1,583
<TOTAL-ASSETS>                                 205,265
<DEPOSITS>                                     182,584
<SHORT-TERM>                                         0
<LIABILITIES-OTHER>                              2,763
<LONG-TERM>                                          0
                                0
                                          0
<COMMON>                                         2,704
<OTHER-SE>                                      17,214
<TOTAL-LIABILITIES-AND-EQUITY>                 205,265
<INTEREST-LOAN>                                 10,010
<INTEREST-INVEST>                                3,860
<INTEREST-OTHER>                                   426
<INTEREST-TOTAL>                                14,296
<INTEREST-DEPOSIT>                               6,077
<INTEREST-EXPENSE>                               6,077
<INTEREST-INCOME-NET>                            8,219
<LOAN-LOSSES>                                      100
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                  4,957
<INCOME-PRETAX>                                  4,459
<INCOME-PRE-EXTRAORDINARY>                       4,459
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,145
<EPS-BASIC>                                       2.78
<EPS-DILUTED>                                     2.74
<YIELD-ACTUAL>                                    4.29
<LOANS-NON>                                        181
<LOANS-PAST>                                        59
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 1,518
<CHARGE-OFFS>                                       43
<RECOVERIES>                                         8
<ALLOWANCE-CLOSE>                                1,583
<ALLOWANCE-DOMESTIC>                               365
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          1,218


</TABLE>


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