|Structured
      Asset Securities Corporation                                                            |  |              |  |               |  |         
|-------------------------------------------------------------------------------------------------------- |  | ------------ |  | ------------- |  | --------
|Mortgage
      Pass-Through Certificates, Series 2005-15                                                 |  |              |  |              
|Schedule of
      Year-To-Date Principal and Interest Distributions to Certificateholders
      for 2005 |  |             
|Class                                                                                                    |  | Interest     |  | Principal     |  | Realized
|                                                                                                         |  | Distribution |  | Paid          |  | Losses  
|A1I                                                                                                      |  | 595,535.40   |  | 0.00          |  | 0.00    
|A1II                                                                                                     |  | 632,835.40   |  | 0.00          |  | 0.00    
|A1III                                                                                                    |  | 3,271,995.40 |  | 7,268,495.76  |  | 0.00    
|A1IV                                                                                                     |  | 5,424,623.83 |  | 12,838,211.81 |  | 0.00    
|A1V                                                                                                      |  | 1,743,594.37 |  | 1,536,048.56  |  | 0.00    
|A1VI                                                                                                     |  | 2,442,435.82 |  | 8,414,429.87  |  | 0.00    
|A2I                                                                                                      |  | 412,485.09   |  | 1,221,162.08  |  | 0.00    
|A2II                                                                                                     |  | 354,252.65   |  | 1,375,176.31  |  | 0.00    
|A2III                                                                                                    |  | 159,568.11   |  | 354,468.74    |  | 0.00    
|A2IV                                                                                                     |  | 188,043.42   |  | 445,033.88    |  | 0.00    
|A2VI                                                                                                     |  | 0.00         |  | 290,176.60    |  | 0.00    
|A3I                                                                                                      |  | 338,765.51   |  | 0.00          |  | 0.00    
|A3II                                                                                                     |  | 291,483.38   |  | 0.00          |  | 0.00    
|A3VI                                                                                                     |  | 77,893.77    |  | 0.00          |  | 0.00    
|A4I                                                                                                      |  | 4,207,132.87 |  | 9,769,597.27  |  | 0.00    
|A4II                                                                                                     |  | 1,748,766.99 |  | 4,857,678.19  |  | 0.00    
|A5I                                                                                                      |  | 0.00         |  | 0.00          |  | 0.00    
|A5II                                                                                                     |  | 1,293,848.32 |  | 3,757,381.71  |  | 0.00    
|A6I                                                                                                      |  | 28,737.50    |  | 0.00          |  | 0.00    
|A6II                                                                                                     |  | 1,663,154.28 |  | 5,868,917.26  |  | 0.00    
|A7II                                                                                                     |  | 357,797.90   |  | 0.00          |  | 0.00    
|A8II                                                                                                     |  | 275,209.35   |  | 0.00          |  | 0.00    
|A9II                                                                                                     |  | 118,497.90   |  | 0.00          |  | 0.00    
|AP                                                                                                       |  | 0.00         |  | 154,236.38    |  | 0.00    
|AX                                                                                                       |  | 357,110.45   |  | 0.00          |  | 0.00    
|B1                                                                                                       |  | 263,543.46   |  | 31,693.32     |  | 0.00    
|B2                                                                                                       |  | 193,039.45   |  | 21,187.69     |  | 0.00    
|B3                                                                                                       |  | 112,359.33   |  | 11,663.96     |  | 0.00    
|B4                                                                                                       |  | 24,887.44    |  | 2,793.36      |  | 0.00    
|B5                                                                                                       |  | 68,623.97    |  | 7,227.54      |  | 0.00    
|B6                                                                                                       |  | 71,643.74    |  | 7,802.67      |  | 0.00    
|B7                                                                                                       |  | 46,719.56    |  | 5,003.27      |  | 30.00   
|M                                                                                                        |  | 373,270.56   |  | 41,882.61     |  | 0.00    
|P                                                                                                        |  | 58,121.18    |  | 0.00          |  | 0.00    
|PAX                                                                                                      |  | 67,598.65    |  | 0.00          |  | 0.00    
|R                                                                                                        |  | 7,517.80     |  | 100.00        |  | 0.00    

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