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 Three Months Ended June 30, 2003 |           
|------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ---------------------------------------- | ----------
|Weighted average shares outstanding:                                                                                                                    |  |                                          |           
|                                                                                                                                                        | 
|Common stock:                                                                                                                                           |  |                                          |           
|Shares outstanding at the beginning of period, net of 262,497 shares subject to forfeiture                                                              |  |                                          | 93,766,137
|Weighted average shares, issued, or restricted shares vested during the three months ended June 30, 2003, net of treasury shares
(19 new shares issued) |  |                                          | 74,488    
|                                                                                                                                                        |  |                                          |           
|                                                                                                                                                        |  |                                          | 93,840,625
|                                                                                                                                                        |  |                                          |           
|Loss attributable to common stockholders                                                                                                                |  | $                                        | (38,333   
|                                                                                                                                                        |  |                                          |           
|Basic and diluted loss per common share                                                                                                                 |  | $                                        | (0.41     
|                                                                                                                                                        |  |                                          |           
|                                                                                                                                                        | 
|                                                                                                                                                        |  | For the Six Months Ended June 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 six months ended June 30, 2003, net of treasury shares
(203 new shares issued)  |  |                                          | 112,062   
|                                                                                                                                                        |  |                                          |           
|                                                                                                                                                        |  |                                          | 93,803,553
|                                                                                                                                                        |  |                                          |           
|Loss attributable to common stockholders                                                                                                                |  | $                                        | (70,763   
|                                                                                                                                                        |  |                                          |           
|Basic and diluted loss per common share                                                                                                                 |  | $                                        | (0.75     
|                                                                                                                                                        |  |                                          |