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