EXHIBIT 11 Alabama National BanCorporation Computation of Earnings Per Share (Unaudited) (In thousands, except per share amounts) Per Share Income Shares Amount ------ ------ ------ THREE MONTHS ENDED MARCH 31, 2000 Basic EPS net income.................................... $ 5,658 11,066 $ 0.51 ======== Effect of dilutive securities options................... - 129 ------- ------ Diluted EPS............................................. $ 5,658 11,195 $ 0.51 ======= ====== ======== THREE MONTHS ENDED MARCH 31, 1999 Basic EPS net income.................................... $ 5,019 11,022 $ 0.46 ======== Effect of dilutive securities options................... - 166 ------- ------ Diluted EPS............................................. $ 5,019 11,188 $ 0.45 ======== ====== ========