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|--------------------------------------------------------- | ------- | --------- | ------------- | ----- | -------------- |  | ----------------------- |  | --------------- |  | --------- |  |  |  | -------------- | 
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|                                                          |         |           |               |       |               
|Morgan Stanley Dean Witter Capital I Inc. Series 2003-NC3
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|2003 Annual Statement                                    
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | DISTRIBUTION IN DOLLARS |  |                 |  |           |  | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  | ENDING BALANCE | 
|PERIOD                                                    |         | CLASS     |               | CUSIP |                |  | INTEREST                |  |                 |  | PRINCIPAL |  | 
|200304                                                    | A-1     | 61745MPT4 | $493,316.97   |       | $2,078,388.46  |  | $321,960,611.54         | 
|200305                                                    | A-1     | 61745MPT4 | $526,584.47   |       | $3,803,283.88  |  | $318,157,327.66         | 
|200306                                                    | A-1     | 61745MPT4 | $471,579.86   |       | $2,947,488.62  |  | $315,209,839.04         | 
|200307                                                    | A-1     | 61745MPT4 | $408,459.42   |       | $4,347,295.16  |  | $310,862,543.88         | 
|200308                                                    | A-1     | 61745MPT4 | $433,653.25   |       | $9,138,394.86  |  | $301,724,149.02         | 
|200309                                                    | A-1     | 61745MPT4 | $423,503.37   |       | $8,276,150.63  |  | $293,447,998.39         | 
|200310                                                    | A-1     | 61745MPT4 | $427,781.97   |       | $14,313,687.16 |  | $279,134,311.23         | 
|200311                                                    | A-1     | 61745MPT4 | $368,767.44   |       | $11,644,262.77 |  | $267,490,048.46         | 
|200312                                                    | A-1     | 61745MPT4 | $377,467.47   |       | $12,276,926.15 |  | $255,213,122.31         | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $3,931,114.22           |  | $68,825,877.69  |  |           |  | 
|200304                                                    | A-2     | 61745MPL1 | $267,425.30   |       | $645,921.42    |  | $189,593,078.58         | 
|200305                                                    | A-2     | 61745MPL1 | $286,496.21   |       | $2,170,277.65  |  | $187,422,800.93         | 
|200306                                                    | A-2     | 61745MPL1 | $256,665.11   |       | $1,006,267.83  |  | $186,416,533.10         | 
|200307                                                    | A-2     | 61745MPL1 | $219,816.16   |       | $4,680,280.63  |  | $181,736,252.47         | 
|200308                                                    | A-2     | 61745MPL1 | $231,612.76   |       | $5,170,485.53  |  | $176,565,766.94         | 
|200309                                                    | A-2     | 61745MPL1 | $226,543.69   |       | $6,981,861.93  |  | $169,583,905.01         | 
|200310                                                    | A-2     | 61745MPL1 | $226,111.87   |       | $7,975,117.59  |  | $161,608,787.42         | 
|200311                                                    | A-2     | 61745MPL1 | $195,277.28   |       | $8,834,962.41  |  | $152,773,825.01         | 
|200312                                                    | A-2     | 61745MPL1 | $197,168.41   |       | $8,320,227.12  |  | $144,453,597.89         | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $2,107,116.79           |  | $45,785,402.11  |  |           |  | 
|200304                                                    | A-3     | 61745MPV9 | $71,120.00    |       | $417,725.24    |  | $49,582,274.76          | 
|200305                                                    | A-3     | 61745MPV9 | $75,805.79    |       | $384,083.60    |  | $49,198,191.16          | 
|200306                                                    | A-3     | 61745MPV9 | $68,166.83    |       | $837,064.96    |  | $48,361,126.20          | 
|200307                                                    | A-3     | 61745MPV9 | $57,831.85    |       | $214,219.71    |  | $48,146,906.49          | 
|200308                                                    | A-3     | 61745MPV9 | $62,189.75    |       | $1,595,413.94  |  | $46,551,492.55          | 
|200309                                                    | A-3     | 61745MPV9 | $60,529.87    |       | $792,171.01    |  | $45,759,321.54          | 
|200310                                                    | A-3     | 61745MPV9 | $61,825.93    |       | $3,605,846.41  |  | $42,153,475.14          | 
|200311                                                    | A-3     | 61745MPV9 | $51,614.59    |       | $1,496,197.27  |  | $40,657,277.87          | 
|200312                                                    | A-3     | 61745MPV9 | $53,172.10    |       | $1,105,168.93  |  | $39,552,108.94          | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $562,256.71             |  | $10,447,891.06  |  |           |  | 
|200304                                                    | B-1     | 61745MPQ0 | $31,253.59    |       | $0.00          |  | $8,708,000.00           | 
|200305                                                    | B-1     | 61745MPQ0 | $33,438.72    |       | $0.00          |  | $8,708,000.00           | 
|200306                                                    | B-1     | 61745MPQ0 | $30,303.84    |       | $0.00          |  | $8,708,000.00           | 
|200307                                                    | B-1     | 61745MPQ0 | $29,280.65    |       | $0.00          |  | $8,708,000.00           | 
|200308                                                    | B-1     | 61745MPQ0 | $30,744.08    |       | $0.00          |  | $8,708,000.00           | 
|200309                                                    | B-1     | 61745MPQ0 | $30,819.06    |       | $0.00          |  | $8,708,000.00           | 
|200310                                                    | B-1     | 61745MPQ0 | $31,890.63    |       | $0.00          |  | $8,708,000.00           | 
|200311                                                    | B-1     | 61745MPQ0 | $28,900.88    |       | $0.00          |  | $8,708,000.00           | 
|200312                                                    | B-1     | 61745MPQ0 | $30,884.68    |       | $0.00          |  | $8,708,000.00           | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $277,516.13             |  | $0.00           |  |           |  | 
|200304                                                    | B-2     | 61745MPR8 | $44,037.00    |       | $0.00          |  | $10,450,000.00          | 
|200305                                                    | B-2     | 61745MPR8 | $47,094.67    |       | $0.00          |  | $10,450,000.00          | 
|200306                                                    | B-2     | 61745MPR8 | $42,679.54    |       | $0.00          |  | $10,450,000.00          | 
|200307                                                    | B-2     | 61745MPR8 | $41,669.38    |       | $0.00          |  | $10,450,000.00          | 
|200308                                                    | B-2     | 61745MPR8 | $43,643.26    |       | $0.00          |  | $10,450,000.00          | 
|200309                                                    | B-2     | 61745MPR8 | $43,733.25    |       | $0.00          |  | $10,450,000.00          | 
|200310                                                    | B-2     | 61745MPR8 | $45,236.89    |       | $0.00          |  | $10,450,000.00          | 
|200311                                                    | B-2     | 61745MPR8 | $40,995.93    |       | $0.00          |  | $10,450,000.00          | 
|200312                                                    | B-2     | 61745MPR8 | $43,811.99    |       | $0.00          |  | $10,450,000.00          | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $392,901.91             |  | $0.00           |  |           |  | 
|200304                                                    | B-3     | 61745MPS6 | $29,359.40    |       | $0.00          |  | $6,967,000.00           | 
|200305                                                    | B-3     | 61745MPS6 | $31,397.95    |       | $0.00          |  | $6,967,000.00           | 
|200306                                                    | B-3     | 61745MPS6 | $28,454.39    |       | $0.00          |  | $6,967,000.00           | 
|200307                                                    | B-3     | 61745MPS6 | $27,780.91    |       | $0.00          |  | $6,967,000.00           | 
|200308                                                    | B-3     | 61745MPS6 | $29,096.90    |       | $0.00          |  | $6,967,000.00           | 
|200309                                                    | B-3     | 61745MPS6 | $29,156.90    |       | $0.00          |  | $6,967,000.00           | 
|200310                                                    | B-3     | 61745MPS6 | $30,159.37    |       | $0.00          |  | $6,967,000.00           | 
|200311                                                    | B-3     | 61745MPS6 | $27,331.93    |       | $0.00          |  | $6,967,000.00           | 
|200312                                                    | B-3     | 61745MPS6 | $29,209.39    |       | $0.00          |  | $6,967,000.00           | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $261,947.14             |  | $0.00           |  |           |  | 
|200304                                                    | M-1     | 61745MPM9 | $78,791.13    |       | $0.00          |  | $42,843,000.00          | 
|200305                                                    | M-1     | 61745MPM9 | $84,543.52    |       | $0.00          |  | $42,843,000.00          | 
|200306                                                    | M-1     | 61745MPM9 | $76,617.57    |       | $0.00          |  | $42,843,000.00          | 
|200307                                                    | M-1     | 61745MPM9 | $69,084.34    |       | $0.00          |  | $42,843,000.00          | 
|200308                                                    | M-1     | 61745MPM9 | $73,785.17    |       | $0.00          |  | $42,843,000.00          | 
|200309                                                    | M-1     | 61745MPM9 | $74,154.09    |       | $0.00          |  | $42,843,000.00          | 
|200310                                                    | M-1     | 61745MPM9 | $76,926.99    |       | $0.00          |  | $42,843,000.00          | 
|200311                                                    | M-1     | 61745MPM9 | $69,715.08    |       | $0.00          |  | $42,843,000.00          | 
|200312                                                    | M-1     | 61745MPM9 | $74,476.90    |       | $0.00          |  | $42,843,000.00          | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $678,094.79             |  | $0.00           |  |           |  | 
|200304                                                    | M-2     | 61745MPN7 | $100,175.89   |       | $0.00          |  | $36,573,000.00          | 
|200305                                                    | M-2     | 61745MPN7 | $107,280.80   |       | $0.00          |  | $36,573,000.00          | 
|200306                                                    | M-2     | 61745MPN7 | $97,223.23    |       | $0.00          |  | $36,573,000.00          | 
|200307                                                    | M-2     | 61745MPN7 | $91,889.66    |       | $0.00          |  | $36,573,000.00          | 
|200308                                                    | M-2     | 61745MPN7 | $96,999.72    |       | $0.00          |  | $36,573,000.00          | 
|200309                                                    | M-2     | 61745MPN7 | $97,314.66    |       | $0.00          |  | $36,573,000.00          | 
|200310                                                    | M-2     | 61745MPN7 | $100,778.93   |       | $0.00          |  | $36,573,000.00          | 
|200311                                                    | M-2     | 61745MPN7 | $91,330.91    |       | $0.00          |  | $36,573,000.00          | 
|200312                                                    | M-2     | 61745MPN7 | $97,590.22    |       | $0.00          |  | $36,573,000.00          | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $880,584.02             |  | $0.00           |  |           |  | 
|200304                                                    | M-3     | 61745MPP2 | $36,134.94    |       | $0.00          |  | $12,191,000.00          | 
|200305                                                    | M-3     | 61745MPP2 | $38,686.11    |       | $0.00          |  | $12,191,000.00          | 
|200306                                                    | M-3     | 61745MPP2 | $35,059.28    |       | $0.00          |  | $12,191,000.00          | 
|200307                                                    | M-3     | 61745MPP2 | $33,372.86    |       | $0.00          |  | $12,191,000.00          | 
|200308                                                    | M-3     | 61745MPP2 | $35,167.65    |       | $0.00          |  | $12,191,000.00          | 
|200309                                                    | M-3     | 61745MPP2 | $35,272.63    |       | $0.00          |  | $12,191,000.00          | 
|200310                                                    | M-3     | 61745MPP2 | $36,518.82    |       | $0.00          |  | $12,191,000.00          | 
|200311                                                    | M-3     | 61745MPP2 | $33,095.18    |       | $0.00          |  | $12,191,000.00          | 
|200312                                                    | M-3     | 61745MPP2 | $35,364.48    |       | $0.00          |  | $12,191,000.00          | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $318,671.95             |  | $0.00           |  |           |  | 
|200304                                                    | P       | MS03C3102 | $47,450.57    |       | $0.00          |  | $0.00                   | 
|200305                                                    | P       | MS03C3102 | $85,473.36    |       | $0.00          |  | $0.00                   | 
|200306                                                    | P       | MS03C3102 | $110,769.67   |       | $0.00          |  | $0.00                   | 
|200307                                                    | P       | MS03C3102 | $166,321.32   |       | $0.00          |  | $0.00                   | 
|200308                                                    | P       | MS03C3102 | $289,644.80   |       | $0.00          |  | $0.00                   | 
|200309                                                    | P       | MS03C3102 | $362,957.13   |       | $0.00          |  | $0.00                   | 
|200310                                                    | P       | MS03C3102 | $496,184.74   |       | $0.00          |  | $0.00                   | 
|200311                                                    | P       | MS03C3102 | $488,528.57   |       | $0.00          |  | $0.00                   | 
|200312                                                    | P       | MS03C3102 | $487,602.55   |       | $0.00          |  | $0.00                   | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $2,534,932.71           |  | $0.00           |  |           |  | 
|200304                                                    | REMIC I | MS03C3201 | $4,257,391.68 |       | $3,142,155.64  |  | $693,497,395.45         | 
|200305                                                    | REMIC I | MS03C3201 | $4,237,875.19 |       | $6,357,645.13  |  | $687,139,750.32         | 
|200306                                                    | REMIC I | MS03C3201 | $4,197,995.81 |       | $4,790,821.41  |  | $682,348,928.91         | 
|200307                                                    | REMIC I | MS03C3201 | $4,166,584.75 |       | $9,241,795.50  |  | $673,107,133.41         | 
|200308                                                    | REMIC I | MS03C3201 | $4,110,551.48 |       | $15,904,294.33 |  | $657,202,839.08         | 
|200309                                                    | REMIC I | MS03C3201 | $4,014,913.56 |       | $16,050,183.58 |  | $641,152,655.50         | 
|200310                                                    | REMIC I | MS03C3201 | $3,912,953.00 |       | $25,893,415.28 |  | $615,258,004.35         | 
|200311                                                    | REMIC I | MS03C3201 | $3,755,648.12 |       | $21,975,422.45 |  | $593,282,581.90         | 
|200312                                                    | REMIC I | MS03C3201 | $3,619,952.86 |       | $21,702,322.20 |  | $571,580,259.70         | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $36,273,866.45          |  | $125,058,055.52 |  |           |  | 
|200304                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200305                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200306                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200307                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200308                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200309                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200310                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200311                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|200312                                                    | UT-R    | MS03C3103 | $0.00         |       | $0.00          |  | $0.00                   | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $0.00                   |  | $0.00           |  |           |  | 
|200304                                                    | X       | MS03C3101 | $3,105,777.46 |       | $120.52        |  | $14,629,430.48          | 
|200305                                                    | X       | MS03C3101 | $3,006,546.95 |       | $0.00          |  | $14,629,430.48          | 
|200306                                                    | X       | MS03C3101 | $3,091,246.14 |       | $0.00          |  | $14,629,430.48          | 
|200307                                                    | X       | MS03C3101 | $3,187,399.48 |       | $0.00          |  | $14,629,430.48          | 
|200308                                                    | X       | MS03C3101 | $3,073,658.86 |       | $0.00          |  | $14,629,430.48          | 
|200309                                                    | X       | MS03C3101 | $2,993,886.04 |       | $0.01          |  | $14,629,430.47          | 
|200310                                                    | X       | MS03C3101 | $2,874,485.73 |       | $0.00          |  | $14,629,430.47          | 
|200311                                                    | X       | MS03C3101 | $2,848,618.90 |       | $0.00          |  | $14,629,430.47          | 
|200312                                                    | X       | MS03C3101 | $2,680,807.22 |       | $0.00          |  | $14,629,430.47          | 
|                                                          |         |           |               |       |                |  |                         |  |                 |  |           |  |  |  |                | 
|                                                          |         |           |               |       |                |  | $26,862,426.78          |  | $120.53         |  |           |  | 
|                                                          |         |           |               |       |                |  | $75,081,429.60          |  | $250,117,346.91 |  |           |  |