**EXHIBIT 11**

**Alabama National BanCorporation****Computation of Earnings Per Share(Unaudited)****(In thousands, except per share amounts)**

|  |  | **Income**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |  | **Shares** |  | **Per Share****Amount** |  |
|--|--|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--|------------|--|-------------------------|--|
|  |  |           THREE MONTHS ENDED SEPTEMBER 30, 2002          Basic EPS net income $9,018  12,364 $0.73 Effect of dilutive securities  —  315    Diluted EPS $9,018  12,679 $0.71           THREE MONTHS ENDED SEPTEMBER 30, 2001          Basic EPS net income $7,508  11,846 $0.63 Effect of dilutive securities  —  289    Diluted EPS $7,508  12,135 $0.62           NINE MONTHS ENDED SEPTEMBER 30, 2002          Basic EPS net income $26,408  12,358 $2.14 Effect of dilutive securities  —  310    Diluted EPS $26,408  12,668 $2.08           NINE MONTHS ENDED SEPTEMBER 30, 2001          Basic EPS net income $20,327  11,819 $1.72 Effect of dilutive securities  —  297    Diluted EPS $20,327  12,116 $1.68 
 
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