

Exhibit 99.1 Monthly Statement to Certificateholders

Monthly Remittance Statement dated May 19, 2006


                             Payment Date: 05/19/06


          ------------------------------------------------------------
 GMACM MORTGAGE LOAN TRUST 2006-AR1, GMACM Mortgage Pass Through Certificates,
          ------------------------------------------------------------

Class Information                                Current Payment Information

----------------------------------------------------------------------------------------------------------------------------------
                                 Beginning       Pass Thru     Principal       Interest      Total           Principal  Interest
Type       Class Code   Name     Cert. Bal.      Rate          Dist. Amt.      Dist. Amt.    Dist.           Losses     Shortfalls
----------------------------------------------------------------------------------------------------------------------------------

Senior                  1A1       218,048,400.71    5.660668%     4,350,020.65  1,028,583.06    5,378,603.72       0.00       0.00
                        1A2        13,338,437.33    5.660668%       266,099.08     62,920.39      329,019.47       0.00       0.00
                        2A1       116,681,342.13    5.665377%       716,585.34    550,869.80    1,267,455.14       0.00       0.00
                        2A2         7,138,542.56    5.665377%        43,840.56     33,702.11       77,542.67       0.00       0.00
                        3A1       111,850,919.40    5.854790%     1,901,106.97    545,719.69    2,446,826.66       0.00       0.00
                        3A2         6,843,166.15    5.854790%       116,311.88     33,387.75      149,699.63       0.00       0.00
Residual                R                   0.00    5.660668%             0.00          0.00            0.00       0.00       0.00
----------------------------------------------------------------------------------------------------------------------------------
Subordinate             M1         10,425,719.69    5.710097%         1,154.79     49,609.94       50,764.73       0.00       0.00
                        M2          6,356,609.69    5.710097%           704.08     30,247.42       30,951.50       0.00       0.00
                        M3          4,322,054.68    5.710097%           478.72     20,566.17       21,044.89       0.00       0.00
                        B1          3,305,277.07    5.710097%           366.10     15,727.92       16,094.02       0.00       0.00
                        B2          2,033,555.22    5.710097%           225.24      9,676.54        9,901.78       0.00       0.00
                        B3          1,274,075.40    5.710097%           141.12      6,062.62        6,203.74       0.00       0.00
----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -        501,618,100.03     -            7,397,034.53  2,387,073.41    9,784,107.94     -          -
----------------------------------------------------------------------------------------------------------------------------------

Class Information

--------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
--------------------------------------------------------------------------------
Senior                          1A1       213,698,380.06              0.00
                                1A2        13,072,338.25              0.00
                                2A1       115,964,756.79              0.00
                                2A2         7,094,702.00              0.00
                                3A1       109,949,812.43              0.00
                                3A2         6,726,854.27              0.00
Residual                        R                   0.00              0.00
--------------------------------------------------------------------------------
Subordinate                     M1         10,424,564.91              0.00
                                M2          6,355,905.61              0.00
                                M3          4,321,575.96              0.00
                                B1          3,304,910.97              0.00
                                B2          2,033,329.98              0.00
                                B3          1,273,934.28              0.00
--------------------------------------------------------------------------------
Totals            -              -        494,221,065.51     -
--------------------------------------------------------------------------------

                             Payment Date: 05/19/06


          ------------------------------------------------------------
 GMACM MORTGAGE LOAN TRUST 2006-AR1, GMACM Mortgage Pass Through Certificates,
          ------------------------------------------------------------



Class Information                                Current Payment Information

                                                      Factors per $1,000

------------------------------------------------------------------------------------------------------------------------
                                   Beginning     Pass Thru    CUSIP       Principal     Interest    Ending Cert./
Type        Class Code    Name   Cert. Bal.(Face)  Rate       Numbers       Dist.         Dist.     Notional Bal.
------------------------------------------------------------------------------------------------------------------------
Senior                     1A1   218,048,400.71     5.660668% 36185MDN9    19.558918      4.624799    960.848089
                           1A2    13,338,437.33     5.660668% 36185MDP4    19.558918      4.624799    960.848089
                           2A1   116,681,342.13     5.665377% 36185MDQ2     6.056999      4.656274    980.201990
                           2A2     7,138,542.56     5.665377% 36185MDR0     6.056999      4.656274    980.201990
                           3A1   111,850,919.40     5.854790% 36185MDS8    16.898428      4.850755    977.314292
                           3A2     6,843,166.15     5.854790% 36185MDT6    16.898428      4.850755    977.314292
Residual                   R               0.00     5.660668% 36185MDA6     0.000000      0.000000      0.000000
------------------------------------------------------------------------------------------------------------------------
Subordinate                M1     10,425,719.69     5.710097% 36185MDU3     0.110739      4.757378    999.670589
                           M2      6,356,609.69     5.710097% 36185MDV1     0.110739      4.757380    999.670589
                           M3      4,322,054.68     5.710097% 36185MDW9     0.110739      4.757384    999.670589
                           B1      3,305,277.07     5.710097% 36185MDX7     0.110739      4.757387    999.670589
                           B2      2,033,555.22     5.710097% 36185MDY5     0.110737      4.757394    999.670590
                           B3      1,274,075.40     5.710097% 36185MDZ2     0.110738      4.757406    999.670594
------------------------------------------------------------------------------------------------------------------------
Totals       -             -     501,618,100.03       -            -           -             -           -
------------------------------------------------------------------------------------------------------------------------


          ------------------------------------------------------------
 GMACM MORTGAGE LOAN TRUST 2006-AR1, GMACM Mortgage Pass Through Certificates,
          ------------------------------------------------------------

--------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
--------------------------------------------------------------------------------

Prin balance       240,367,919.91   130,294,338.25   123,558,807.34
Loan count                    567              325              222
Avg loan rate           5.910668%        5.915915%        6.104790%
Prepay amount        4,576,416.91       747,837.81     2,017,402.36

                          Total
                          -----
Prin balance       494,221,065.50
Loan count                   1114
Avg loan rate            5.960636
Prepay amount        7,341,657.08

--------------------------------------------------------------------------------
                                      ADVANCES
--------------------------------------------------------------------------------

Agg advances                  N/A              N/A              N/A
Adv this period              0.00             0.00             0.00

                          Total
                          -----
Agg advances                  N/A
Adv this period              0.00

--------------------------------------------------------------------------------
                          LOSSES & INSURANCE COVERAGES
--------------------------------------------------------------------------------

Realized losses              0.00             0.00             0.00
Cumulative losses            0.00             0.00             0.00

                          Total
                          -----
Realized losses              0.00
Cumulative losses            0.00

Coverage Amounts
----------------
Bankruptcy             150,737.58             0.00             0.00
Fraud               15,258,933.62     2,655,642.34     2,525,342.95
Special Hazard       5,086,644.54     5,086,644.54     5,086,644.54

                          Total
                          -----
Bankruptcy             150,737.58
Fraud               20,439,918.91
Special Hazard      15,259,933.62


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           94.475002%           100.000000%            473,900,808.28
   -----------------------------------------------------------------------------
   Junior            5.524998%             0.000000%             27,714,221.70
   -----------------------------------------------------------------------------

--------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
--------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
------                             ----------    ---------------------
30 to 59 days                          15                 6,858,493.54
60 to 89 days                           2                 1,247,100.00
90 or more                              1                   656,250.00
Foreclosure                             0                         0.00

Totals:                                18                 8,761,843.54
--------------------------------------------------------------------------------


--------------------------------------------------------------------------------
                                REO INFORMATION
--------------------------------------------------------------------------------
   REO Date        Loan Number     Ending Stated Balance          Book Value
   --------        -----------     ---------------------          ----------
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   N/A              #                   0                            N/A
   Totals:                              0                            N/A

Current Total Outstanding Balance:                                      0.00
Current Total Outstanding Number of Loans:                                 0


--------------------------------------------------------------------------------
                               OTHER INFORMATION
--------------------------------------------------------------------------------
                                  Amount/Withdrawal     Total/Ending Bal.
                                  -----------------     -----------------
Available remittance amount            9,784,107.94          9,784,107.94
Principal remittance amount            7,397,034.53          7,397,034.53
Interest remittance amount             2,387,073.41          2,387,073.41

GMACM Mortgage Loan Trust 2006-AR1 10-D