EXHIBIT 11-1



SAVVIS COMMUNICATIONS CORPORATION

CALCULATION OF BASIC AND DILUTED LOSS PER COMMON SHARE AND

WEIGHTED AVERAGE COMMON SHARES USED IN EPS CALCULATION

(dollars in thousands, except per share amounts)

(unaudited)



|                                                                                                                                                                  |  | For the ThreeMonths EndedSeptember 30, 2003 |           
|----------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ------------------------------------------- | ----------
|Weighted average shares outstanding:                                                                                                                              |  |                                             |           
|Common stock:                                                                                                                                                     |  |                                             |           
|Shares outstanding at the beginning of period, net of 188,028 shares subject to forfeiture                                                                        |  |                                             | 93,840,627
|Weighted average shares, issued, or restricted shares vested during the three months ended September 30, 2003, net of treasury
shares (704,826 new shares issued) |  |                                             | 779,359   
|                                                                                                                                                                  |  |                                             |           
|                                                                                                                                                                  |  |                                             | 94,619,986
|                                                                                                                                                                  |  |                                             |           
|Loss attributable to common stockholders                                                                                                                          |  | $                                           | (32,154   
|                                                                                                                                                                  |  |                                             |           
|Basic and diluted loss per common share                                                                                                                           |  | $                                           | (0.34     
|                                                                                                                                                                  |  |                                             |           
|                                                                                                                                                                  | 
|                                                                                                                                                                  |  | For the NineMonths EndedSeptember 30, 2003  |           
|Weighted average shares outstanding:                                                                                                                              |  |                                             |           
|Common stock:                                                                                                                                                     |  |                                             |           
|Shares outstanding at the beginning of period, net of 336,890 shares subject to forfeiture                                                                        |  |                                             | 93,691,491
|Weighted average shares, issued, or restricted shares vested during the nine months ended September 30, 2003, net of treasury
shares (242,983 new shares issued)  |  |                                             | 392,412   
|                                                                                                                                                                  |  |                                             |           
|                                                                                                                                                                  |  |                                             | 94,083,903
|                                                                                                                                                                  |  |                                             |           
|Loss attributable to common stockholders                                                                                                                          |  | $                                           | (102,917  
|                                                                                                                                                                  |  |                                             |           
|Basic and diluted loss per common share                                                                                                                           |  | $                                           | (1.09     
|                                                                                                                                                                  |  |                                             |