Exhibit 12 INTERVEST BANCSHARES CORPORATION AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES For the YearEnded December 31, 2003 -------------------------------------------- ($ in thousands) Intervest Bancshares Intervest Intervest Corporation Bancshares Mortgage Consolidated Corporation Corporation - ----------------------------------------------------------------------------------------------------------------------------- Earnings (loss) before income taxes (1) $ 15,993 $ (638) $ 3,255 Fixed charges, excluding interest on deposits (2) 10,127 3,024 7,140 -------------------------------------------- Earnings before income taxes and fixed charges, excluding interest on deposits 26,120 2,386 10,395 Interest on deposits 18,437 - - -------------------------------------------- Earnings before income taxes and fixed charges, including interest on deposits $ 44,557 $ 2,386 $ 10,395 - ----------------------------------------------------------------------------------------------------------------------------- Earnings to fixed charges ratios: Excluding interest on deposits 2.58 x .79 x 1.46 x Including interest on deposits 1.56 x .79 x 1.46 x - ----------------------------------------------------------------------------------------------------------------------------- For the Year Ended December 31, 2002 --------------------------------------------- ($ in thousands) Intervest Bancshares Intervest Intervest Corporation Bancshares Mortgage Consolidated Corporation Corporation - ------------------------------------------------------------------------------------------------------------------------------ Earnings (loss) before income taxes (1) $ 11,619 $ (544) $ 2,774 Fixed charges, excluding interest on deposits (2) 8,956 2,695 6,288 --------------------------------------------- Earnings before income taxes and fixed charges, excluding interest on deposits 20,575 2,151 9,062 Interest on deposits 17,369 - - --------------------------------------------- Earnings before income taxes and fixed charges, including interest on deposits $ 37,944 $ 2,151 $ 9,062 - ------------------------------------------------------------------------------------------------------------------------------ Earnings to fixed charges ratios: Excluding interest on deposits 2.30 x .80 x 1.44 x Including interest on deposits 1.44 x .80 x 1.44 x - ------------------------------------------------------------------------------------------------------------------------------ For the Year Ended December 31, 2001 --------------------------------------------- ($ in thousands) Intervest Bancshares Intervest Intervest Corporation Bancshares Mortgage Consolidated Corporation Corporation - ------------------------------------------------------------------------------------------------------------------------------ Earnings (loss) before income taxes (1) $ 6,488 $ (250) $ 1,072 Fixed charges, excluding interest on deposits (2) 7,635 1,124 6,511 --------------------------------------------- Earnings before income taxes and fixed charges, excluding interest on deposits 14,123 874 7,583 Interest on deposits 17,079 - - --------------------------------------------- Earnings before income taxes and fixed charges, including interest on deposits $ 31,202 $ 874 $ 7,583 - ------------------------------------------------------------------------------------------------------------------------------ Earnings to fixed charges ratios: Excluding interest on deposits 1.85 x .78 x 1.16 x Including interest on deposits 1.26 x .78 x 1.16 x - ------------------------------------------------------------------------------------------------------------------------------ <FN> (1) Intervest Bancshares Corporation's earnings (loss) before income taxes includes dividends received from subsidiaries for purposes of this calculation. (2) Fixed charges represent interest on debentures and federal funds purchased and amortization of debenture offering costs.