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|---------------------------------------- | ---- | --------- | ----------- | ----- | ----------- |  | ----------------------- |  | ------------- |  | --------- |  |  |  | -------------- | 
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|GMACM MORTGAGE LOAN TRUST Series 2005-J1
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|2005 Annual Statement                   
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | DISTRIBUTION IN DOLLARS |  |               |  |           |  | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  | ENDING BALANCE | 
|PERIOD                                   |      | CLASS     |             | CUSIP |             |  | INTEREST                |  |               |  | PRINCIPAL |  | 
|200512                                   | A-1  | 36185MBX9 | $114,821.67 |       | $182,726.41 |  | $24,869,273.59          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $114,821.67             |  | $182,726.41   |  |           |  | 
|200512                                   | A-10 | 36185MCG5 | $92,349.58  |       | $0.00       |  | $20,149,000.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $92,349.58              |  | $0.00         |  |           |  | 
|200512                                   | A-11 | 36185MCH3 | $80,597.92  |       | $0.00       |  | $17,585,000.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $80,597.92              |  | $0.00         |  |           |  | 
|200512                                   | A-12 | 36185MCJ9 | $160,416.67 |       | $0.00       |  | $35,000,000.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $160,416.67             |  | $0.00         |  |           |  | 
|200512                                   | A-13 | 36185MCK6 | $46,985.84  |       | $0.00       |  | $10,251,455.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $46,985.84              |  | $0.00         |  |           |  | 
|200512                                   | A-14 | 36185MCL4 | $235,239.89 |       | $0.00       |  | $51,325,066.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $235,239.89             |  | $0.00         |  |           |  | 
|200512                                   | A-15 | 36185MCM2 | $5,614.58   |       | $0.00       |  | $1,225,000.00           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $5,614.58               |  | $0.00         |  |           |  | 
|200512                                   | A-16 | 36185MCN0 | $13,750.00  |       | $18,272.64  |  | $2,981,727.36           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $13,750.00              |  | $18,272.64    |  |           |  | 
|200512                                   | A-17 | 36185MCP5 | $159,646.61 |       | $0.00       |  | $34,831,988.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $159,646.61             |  | $0.00         |  |           |  | 
|200512                                   | A-18 | 36185MCQ3 | $45,833.33  |       | $0.00       |  | $9,166,666.00           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $45,833.33              |  | $0.00         |  |           |  | 
|200512                                   | A-19 | 36185MCR1 | $0.00       |       | $0.00       |  | $833,334.00             | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $0.00                   |  | $0.00         |  |           |  | 
|200512                                   | A-2  | 36185MBY7 | $343,750.00 |       | $456,816.02 |  | $74,543,183.98          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $343,750.00             |  | $456,816.02   |  |           |  | 
|200512                                   | A-3  | 36185MBZ4 | $22,678.33  |       | $0.00       |  | $4,948,000.00           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $22,678.33              |  | $0.00         |  |           |  | 
|200512                                   | A-4  | 36185MCA8 | $686,400.00 |       | $912,170.22 |  | $148,847,829.78         | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $686,400.00             |  | $912,170.22   |  |           |  | 
|200512                                   | A-5  | 36185MCB6 | $131,440.83 |       | $529,186.03 |  | $28,148,813.97          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $131,440.83             |  | $529,186.03   |  |           |  | 
|200512                                   | A-6  | 36185MCC4 | $27,710.00  |       | $12,736.96  |  | $5,529,263.04           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $27,710.00              |  | $12,736.96    |  |           |  | 
|200512                                   | A-7  | 36185MCD2 | $27,707.08  |       | $0.00       |  | $5,541,416.00           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $27,707.08              |  | $0.00         |  |           |  | 
|200512                                   | A-8  | 36185MCE0 | $0.00       |       | $1,157.91   |  | $1,006,426.09           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $0.00                   |  | $1,157.91     |  |           |  | 
|200512                                   | A-9  | 36185MCF7 | $119,936.67 |       | $0.00       |  | $26,168,000.00          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $119,936.67             |  | $0.00         |  |           |  | 
|200512                                   | B-1  | 36185MCY6 | $4,817.09   |       | $1,082.16   |  | $1,049,919.84           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $4,817.09               |  | $1,082.16     |  |           |  | 
|200512                                   | B-2  | 36185MCZ3 | $3,612.82   |       | $811.62     |  | $787,439.38             | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $3,612.82               |  | $811.62       |  |           |  | 
|200512                                   | B-3  | 36185MDA7 | $3,612.83   |       | $811.62     |  | $787,441.49             | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $3,612.83               |  | $811.62       |  |           |  | 
|200512                                   | IO   | 36185MCT7 | $77,566.19  |       | $0.00       |  | $471,782,774.00         | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $77,566.19              |  | $0.00         |  |           |  | 
|200512                                   | M-1  | 36185MCV2 | $48,170.89  |       | $10,821.63  |  | $10,499,191.37          | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $48,170.89              |  | $10,821.63    |  |           |  | 
|200512                                   | M-2  | 36185MCW0 | $16,859.81  |       | $3,787.57   |  | $3,674,716.43           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $16,859.81              |  | $3,787.57     |  |           |  | 
|200512                                   | M-3  | 36185MCX8 | $7,225.63   |       | $1,623.24   |  | $1,574,878.76           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $7,225.63               |  | $1,623.24     |  |           |  | 
|200512                                   | PO   | 36185MCS9 | $0.00       |       | $1,646.33   |  | $2,041,880.67           | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $0.00                   |  | $1,646.33     |  |           |  | 
|200512                                   | R    | 36185MCU4 | $0.46       |       | $100.00     |  | $0.00                   | 
|                                         |      |           |             |       |             |  |                         |  |               |  |           |  |  |  |                | 
|                                         |      |           |             |       |             |  | $0.46                   |  | $100.00       |  |           |  | 
|                                         |      |           |             |       |             |  | $2,476,744.72           |  | $2,133,750.36 |  |           |  |