Exhibit 12

Intervest Bancshares Corporation and Subsidiaries

Computation of Ratios of Earnings to Fixed
Charges



|                                                                               |  |                                               |  |                                  |  |                               
|------------------------------------------------------------------------------ |  | --------------------------------------------- |  | -------------------------------- |  | ------------------------------
|                                                                               |  | For the Year Ended December 31, 2007         
|($ in thousands)                                                               |  | Intervest Bancshares Corporation Consolidated |  | Intervest Bancshares Corporation |  | Intervest Mortgage Corporation
|Earnings before income taxes (1)                                               |  | $  34,452                                     |  | $   292                          |  | $1,650                        
|Fixed charges, excluding interest on deposits (2)                              |  | 11,106                                        |  | 3,647                            |  | 6,526                         
|Earnings before income taxes and fixed charges, excluding interest on deposits |  | 45,558                                        |  | 3,939                            |  | 8,176                         
|Interest on deposits                                                           |  | 78,547                                        |  | -                                |  | -                             
|Earnings before income taxes and fixed charges, including interest on
deposits |  | $124,105                                      |  | $3,939                           |  | $8,176                        
|                                                                               |  |                                               | 
|Earnings to fixed charges ratios:                                              |  |                                               |  |                                  |  |                               
|Excluding interest on deposits                                                 |  | 4.10 x                                        |  | 1.08 x                           |  | 1.25 x                        
|Including interest on deposits                                                 |  | 1.38 x                                        |  | 1.08 x                           |  | 1.25 x                        
|                                                                               | 
|                                                                               |  | For the Year Ended December 31, 2006         
|($ in thousands)                                                               |  | Intervest Bancshares Corporation Consolidated |  | Intervest Bancshares Corporation |  | Intervest Mortgage Corporation
|Earnings before income taxes (1)                                               |  | $  41,484                                     |  | $   118                          |  | $  5,813                      
|Fixed charges, excluding interest on deposits (2)                              |  | 12,666                                        |  | 4,910                            |  | 7,197                         
|Earnings before income taxes and fixed charges, excluding interest on deposits |  | 54,150                                        |  | 5,028                            |  | 13,010                        
|Interest on deposits                                                           |  | 65,631                                        |  | -                                |  | -                             
|Earnings before income taxes and fixed charges, including interest on
deposits |  | $119,781                                      |  | $5,028                           |  | $13,010                       
|                                                                               |  |                                               | 
|Earnings to fixed charges ratios:                                              |  |                                               |  |                                  |  |                               
|Excluding interest on deposits                                                 |  | 4.28 x                                        |  | 1.02 x                           |  | 1.81 x                        
|Including interest on deposits                                                 |  | 1.53 x                                        |  | 1.02 x                           |  | 1.81 x                        
|                                                                               | 
|                                                                               |  | For the Year Ended December 31, 2005         
|($ in thousands)                                                               |  | Intervest Bancshares Corporation Consolidated |  | Intervest Bancshares Corporation |  | Intervest Mortgage Corporation
|Earnings before income taxes (1)                                               |  | $32,250                                       |  | $   112                          |  | $  5,745                      
|Fixed charges, excluding interest on deposits (2)                              |  | 12,528                                        |  | 5,003                            |  | 7,370                         
|Earnings before income taxes and fixed charges, excluding interest on deposits |  | 44,778                                        |  | 5,115                            |  | 13,115                        
|Interest on deposits                                                           |  | 44,919                                        |  | -                                |  | -                             
|Earnings before income taxes and fixed charges, including interest on
deposits |  | $89,697                                       |  | $5,115                           |  | $13,115                       
|                                                                               |  |                                               | 
|Earnings to fixed charges ratios:                                              |  |                                               |  |                                  |  |                               
|Excluding interest on deposits                                                 |  | 3.57 x                                        |  | 1.02 x                           |  | 1.78 x                        
|Including interest on deposits                                                 |  | 1.56 x                                        |  | 1.02 x                           |  | 1.78 x                        



|(1) | Intervest Bancshares Corporations earnings before income taxes includes dividends received from subsidiaries for purposes of this calculation.
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|(2) | Fixed charges represent interest on debentures and other short-term borrowings and amortization of debenture offering costs.
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