Exhibit 99.4

                          Camden National Corporation
                                 KSB BankCorp
             Unaudited Pro Forma Condensed Combining Balance Sheet
                           as of September 30, 1999




                                                                                                                  Pro Forma
                                                                                                                  Camden and
                                                                                            Pro Forma                 KSB
                                                                Camden         KSB         Adjustments             Combined
                                                                ------         ---         -----------             --------
                                                                               (Dollars in thousands)
                                                                                                     
ASSETS:
Cash, due from banks                                             17,563         2,536         2,609  (7)            22,708
Federal funds sold                                                              5,692             -                  5,692
Securities                                                      199,673        27,205             -                226,878
Loans                                                                         147,554             -                147,554
Reserve for loan losses                                         470,615        (2,138)            -                468,477
Mortgages held for resale                                         1,013         2,193             -                  3,206
Intangible assets                                                 9,443         2,454             -                 11,897
Other assets                                                     27,741         6,064             -                 33,805
                                                              ---------     ---------      --------              ---------
Total Assets                                                    726,048       191,560         2,609                920,217
                                                              =========     =========      ========              =========

LIABILITIES and STOCKHOLDERS' EQUITY:
Deposits:
   Noninterest-bearing                                           70,894        12,804             -                 83,698
   Interest-bearing                                             463,808       128,739             -                592,547
                                                              ---------     ---------      --------              ---------
Total deposits                                                  534,702       141,543             -                676,245
Borrowings from Federal Home Loan Bank                           86,275        29,952             -                116,227
Other borrowed funds                                             33,083         3,089             -                 36,172
Accrued interest and other liabilities                            9,372         2,362         2,130  (4)            13,864
                                                              ---------     ---------      --------              ---------
Total liabilities                                               663,432       176,946         2,130                842,508
                                                              ---------     ---------      --------              ---------

Stockholders' equity:
Common stock                                                      2,436            13         1,469  (6)             3,918
Surplus                                                           1,142         5,172        (1,347) (6)(7)          4,967
Retained earnings                                                72,725         9,914        (2,130) (4)            80,509
Accumulated other comprehensive income                           (3,480)         (183)            -                 (3,663)
Employee Stock Ownership Plan                                         -           (32)            -                    (32)
Bank Recognition and Retention Plan                                   -           (21)            -                    (21)
Treasury stock, at cost                                         (10,207)         (249)        2,487  (6)(7)         (7,969)
                                                              ---------     ---------      --------              ---------
Total stockholders' equity                                       62,616        14,614           479                 77,709
                                                              ---------     ---------      --------              ---------
Total liabilities and stockholders' equity                      726,048       191,560         2,609                920,217
                                                              =========     =========      ========              =========



                          Camden National Corporation
                                 KSB BankCorp
               Unaudited Pro Forma Combining Statement of Income
                   for nine months ended September 30, 1999




                                                                                                                      Pro Forma
                                                                    Camden             KSB                             CNC and
                                                                   National          Bankcorp         Pro Forma          KSB
                                                                  Historical        Historical       Adjustments       Combined
                                                                  ----------        ----------       -----------       --------
                                                                                                         
Interest Income
Interest and fees on loans                                            30,598             9,045                 -         39,643
Interest on securities                                                 8,431             1,405                 -          9,836
Other                                                                  1,681                80                 -          1,761
                                                                  ----------        ----------       -----------     ----------
   Total interest income                                              40,710            10,530                 -         51,240

Interest Expense
Interest on deposits                                                  13,592             3,637                 -         17,229
Interest on other borrowings                                           4,154             1,078                 -          5,232
                                                                  ----------        ----------       -----------     ----------
   Total interest expense                                             17,746             4,715                 -         22,461
                                                                  ----------        ----------       -----------     ----------
   Net interest income                                                22,964             5,815                 -         28,779

Provision for Loan Losses                                              1,465               550                 -          2,015
                                                                  ----------        ----------       -----------     ----------
   Net interest income after provision for loan losses                21,499             5,265                 -         26,764
                                                                  ----------        ----------       -----------     ----------

Other Income
Service charges on deposit accounts                                    1,677               670                 -          2,347
Other service charges and fees                                         1,920                                   -          1,920
Mortgage servicing fees                                                                    200                 -            200
Other income                                                           1,360               125                 -          1,485
                                                                  ----------        ----------       -----------     ----------
   Total other income                                                  4,957               995                 -          5,952
                                                                  ----------        ----------       -----------     ----------
                                                                      26,456             6,260                 -         32,716
                                                                  ----------        ----------       -----------     ----------

Operating Expenses
Salaries and employee benefits                                         7,368             2,142                 -          9,510
Net occupancy                                                                              250                 -            250
Furniture, equipment and data processing                               1,993               620                 -          2,613
Other                                                                  5,422             1,241                 -          6,663
                                                                  ----------        ----------       -----------     ----------
   Total operating expenses                                           14,783             4,253                 -         19,036

   Income before income taxes                                         11,673             2,007                 -         13,680

Income Taxes                                                           3,764               639                 -          4,403
                                                                  ----------        ----------       -----------     ----------

Net Income                                                             7,909             1,368                 -          9,277
                                                                  ==========        ==========       ===========     ==========

Per Share Data
Basic earnings per share                                                1.20              1.09                             1.16
Diluted earnings per share                                              1.19              1.08                             1.15
Weighted average number of share outstanding                       6,602,323         1,254,532                        8,027,471