| Summary of Capital Adequacy Requirements | 
        
    The Company’s and Bank’s actual capital amounts and ratios are presented in the following table:        |       |        |    Actual   |        |        |    For Capital Adequacy  Purposes   |        |        |    To Be Well Capitalized Under  Prompt Corrective Action  Provisions   |        |     |       |        |    Amount   |        |    Ratio   |        |        |    Amount   |        |    Ratio   |        |        |    Amount   |        |    Ratio   |        |     |   As of December 31, 2014:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Total Capital to Risk Weighted Assets:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Consolidated   |        |    $   |    458,073   |        |        |    13.38   |    %   |        |    $   |    273,943   |        |        |    8.00   |    %   |        |        |    N/A   |        |        |    N/A   |        |     |   ServisFirst Bank   |        |        |    397,748   |        |        |    11.62   |    %   |        |        |    273,939   |        |        |    8.00   |    %   |        |    $   |    342,424   |        |        |    10.00   |    %   |     |   Tier I Capital to Risk Weighted Assets:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Consolidated   |        |        |    402,471   |        |        |    11.75   |    %   |        |        |    136,972   |        |        |    4.00   |    %   |        |        |    N/A   |        |        |    N/A   |        |     |   ServisFirst Bank   |        |        |    362,119   |        |        |    10.58   |    %   |        |        |    136,970   |        |        |    4.00   |    %   |        |        |    205,454   |        |        |    6.00   |    %   |     |   Tier I Capital to Average Assets:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Consolidated   |        |        |    402,471   |        |        |    9.91   |    %   |        |        |    162,377   |        |        |    4.00   |    %   |        |        |    N/A   |        |        |    N/A   |        |     |   ServisFirst Bank   |        |        |    362,119   |        |        |    8.92   |    %   |        |        |    162,375   |        |        |    4.00   |    %   |        |        |    202,969   |        |        |    5.00   |    %   |     |       |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   As of December 31, 2013:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Total Capital to Risk Weighted Assets:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Consolidated   |        |    $   |    343,904   |        |        |    11.73   |    %   |        |    $   |    234,617   |        |        |    8.00   |    %   |        |        |    N/A   |        |        |    N/A   |        |     |   ServisFirst Bank   |        |        |    341,256   |        |        |    11.64   |    %   |        |        |    234,601   |        |        |    8.00   |    %   |        |    $   |    293,252   |        |        |    10.00   |    %   |     |   Tier I Capital to Risk Weighted Assets:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Consolidated   |        |        |    293,301   |        |        |    10.00   |    %   |        |        |    117,308   |        |        |    4.00   |    %   |        |        |    N/A   |        |        |    N/A   |        |     |   ServisFirst Bank   |        |        |    310,593   |        |        |    10.59   |    %   |        |        |    117,301   |        |        |    4.00   |    %   |        |        |    175,951   |        |        |    6.00   |    %   |     |   Tier I Capital to Average Assets:   |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |        |     |   Consolidated   |        |        |    293,301   |        |        |    8.48   |    %   |        |        |    138,373   |        |        |    4.00   |    %   |        |        |    N/A   |        |        |    N/A   |        |     |   ServisFirst Bank   |        |        |    310,593   |        |        |    8.98   |    %   |        |        |    138,331   |        |        |    4.00   |    %   |        |        |    172,913   |        |        |    5.00   |    %   |          
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