Updated Exhibits A Ginnie Mae REMIC Trust 2007-052 Characteristics of the Ginnie Mae Multifamily Certificates and the Related Mortgage Loans* Pool Number Security Type FHA Insurance Program/ 538 Guaranty Program City State Principal Balance as of the Cut-off Date Mortgage Interest Rate (%) Certificate Rate (%) Servicing and Guaranty Fee Rate (%) Maturity Date Monthly Principal and Interest† Original Term to Maturity (mos.) Remaining Term to Maturity (mos.) Period from Issuance (mos.) Issue Date Lockout End Date Prepayment Penalty End Date Lockout/ Prepayment Penalty Code Remaining Lockout Period Total Remaining Lockout and Prepayment Penalty Period (mos.) Remaining Interest Only Period (mos.)†† 635216   PLC 221(d)(4) Chicago IL  $14,182,444.43    5.760%    5.510%    0.250%  Apr-46   $76,670.61 470 457 13 Feb-07   May-09 May-16 13 14 98 0 662248    PLC 232 West Islip NY 11,667,836.28 5.600 5.350 0.250 Sep-27 ** 242 234 8 Jul-07 Aug-09 Aug-17 3 17 113 0 658981    PLC 232/223(a)(7) Bethel CT 10,774,174.64 5.850 5.600 0.250 Feb-42 60,944.52 419 407 12 Mar-07    Mar-08 Mar-17 2 0 108 0 621603    CLC 221(d)(4) Lexington SC 10,629,077.00 5.875 5.625 0.250 Jan-48 57,559.12 500 478 22 May-06   Nov-08 Nov-17 2 8 116 0 661937    PLC 223(f) Indianapolis IN 10,474,262.19 5.350 5.100 0.250 Jul-42 55,590.77 420 412 8 Jul-07 Jun-08 Jun-17 2 3 111 0 615813    PLC 221(d)(4) Port Charlotte FL 9,019,995.49 5.875 5.375 0.500 Jan-46 49,557.42 467 454 13 Feb-07    Feb-08 Feb-16 10 0 95 0 662228    PLC 207/232/223(f) Johnson City NY 8,260,764.83 5.875 5.625 0.250 Jun-42 46,720.40 421 411 10 May-07 Jul-08 Jul-17 2 4 112 0 653447    PLC 223(f)/223(a)(7) Wauwatosa WI 7,346,893.01 4.980 4.590 0.390 Jul-42 37,252.55 420 412 8 Jul-07 Aug-08 Aug-17 8 5 113 0 642667    PLC 221(d)(4) Erie County OH 6,481,097.09 5.750 5.500 0.250 Oct-46 34,867.90 472 463 9 Jun-07 Jun-08 Jun-17 2 3 111 0 664651    PLC 207/223(f) Saginaw MI 5,884,193.07 5.950 5.700 0.250 Jul-42 33,547.61 421 412 9 Jun-07 Aug-09 Aug-17 3 17 113 0 652168    PLC 223(f) Port Arthur TX 5,723,809.75 5.580 5.330 0.250 Jul-42 31,234.67 420 412 8 Jul-07 Aug-08 Aug-17 2 5 113 0 663202    PLC 207/223(f) Pittsburgh PA 5,089,771.26 5.250 5.000 0.250 Aug-42 26,662.04 421 413 8 Jul-07 Sep-08 Sep-17 8 6 114 0 662241    PLC 220/223(a)(7) New Bedford MA 4,942,020.90 5.700 5.450 0.250 Jun-36 29,365.31 347 339 8 Jul-07 Jun-08 Jun-17 11 3 111 0 615811    PLC 221(d)(4) Titusville FL 4,824,873.59 5.875 5.375 0.500 Nov-45 26,540.53 468 452 16 Nov-06   Dec-07 Dec-15 10 0 93 0 658996    PLC 232/223(f) Chicago IL 4,319,202.64 5.900 5.650 0.250 Jul-42 24,481.39 420 412 8 Jul-07 Aug-08 Aug-17 1 5 113 0 645518    PLC 221(d)(4) Elkridge MD 4,294,344.71 5.680 5.180 0.500 Jun-47 22,791.73 475 471 4 Nov-07    Mar-08 Mar-17 1 0 108 0 662237    PLC 223(f) Salt Lake City UT 3,972,087.71 6.125 5.875 0.250 May-42 23,144.35 419 410 9 Jun-07    May-09 May-17 3 14 110 0 664000    PLC 207/223(f) Toledo OH 3,944,982.35 5.860 5.580 0.280 Aug-42 22,238.72 421 413 8 Jul-07 Aug-08 Aug-17 2 5 113 0 651112    CLC 221(d)(4) Lafayette CO 3,353,976.00 6.160 5.910 0.250 Dec-47 18,829.48 495 477 18 Sep-06 Jan-10 Jan-18 3 22 118 0 645581    CLC 221(d)(4) Aberdeen MD 3,302,542.00 6.000 5.750 0.250 Aug-47 19,096.04 491 473 18 Sep-06 Jun-08 Jun-17 8 3 111 0 630050    CLC 221(d)(4) San Antonio TX 3,005,246.00 6.300 6.050 0.250 Nov-47 17,168.01 497 476 21 Jun-06    Dec-09 Dec-17 3 21 117 0 652173    PLC 232/223(a)(7) Boonville NY 2,983,364.64 5.850 5.600 0.250 Sep-26 22,027.02 231 222 9 Jun-07    May-08 May-12 12 2 50 0 662238    PLC 207/223(f) Chicago IL 2,897,240.80 5.250 5.000 0.250 Jun-42 15,203.09 420 411 9 Jun-07 Jul-09 Jul-17 3 16 112 0 645789    CLC 241 Columbus OH 2,706,628.00 6.900 6.650 0.250 May-30 19,766.73 283 266 17 Oct-06    Dec-09 Dec-17 3 21 117 0 666242    PLC 207/223(f) Campbell OH 2,411,985.54 6.250 6.000 0.250 Aug-42 14,227.21 421 413 8 Jul-07 Sep-08 Sep-17 2 6 114 0 495348    PLC 232 Poughkeepsie NY 2,175,943.47 7.750 7.500 0.250 Apr-31 16,914.66 352 277 75 Dec-01 Jan-11 N/A 6 34 34 0 650278    PLC 223(f) Topeka KS 1,932,016.87 6.190 5.790 0.400 Jun-42 11,368.62 420 411 9 Jun-07 Jun-08 Jun-17 2 3 111 0 640484    PLC 221(d)(4) Nashville TN 1,925,563.82 6.250 5.870 0.380 Oct-47 10,958.16 480 475 5 Oct-07 Oct-09 Oct-17 3 19 115 0 659873    PLC 223(a)(7) Jackson MS 1,815,519.01 6.500 6.250 0.250 Jul-37 11,560.52 360 352 8 Jul-07 Jul-08 Jul-17 2 4 112 0 662240    PLC 223(a)(7) Kingsport TN 1,746,670.38 5.190 4.940 0.250 Jun-47 8,692.99 480 471 9 Jun-07 Jun-08 Jun-17 2 3 111 0 663997    PLC 538 Georgetown KY 1,691,148.05 7.300 6.420 0.880 Jul-47 10,911.03 481 472 9 Jun-07 Jul-08 Jul-17 1 4 112 0 661935    PLC 223(f) Indianapolis IN 1,685,150.65 5.720 5.470 0.250 Nov-38 9,722.05 377 368 9 Jun-07 N/A May-12 4 N/A 50 0 664654    PLC 207/223(f) Ashtabula OH 1,617,608.99 6.050 5.800 0.250 Jul-42 9,330.54 421 412 9 Jun-07 Aug-09 Aug-17 3 17 113 0 666238    PLC 223(f) Revenna OH 1,412,250.20 6.250 6.000 0.250 Jun-42 8,341.76 420 411 9 Jun-07 Jul-08 Jul-17 2 4 112 0 664658    PLC 207/223(f) Wyoming MI 1,396,647.16 6.030 5.780 0.250 Aug-42 8,031.48 421 413 8 Jul-07 Sep-08 Sep-17 2 6 114 0 663201    PLC 207/223(f) Saxonburg PA 1,328,647.43 5.100 4.850 0.250 Jul-42 6,838.29 421 412 9 Jun-07 Jul-08 Jul-17 2 4 112 0 661933    PLC 538 Salem OH 1,181,047.84 6.250 5.250 1.000 Aug-47 6,727.71 481 473 8 Jul-07 Aug-08 Aug-17 2 5 113 0 625838    PLC 223(f) Los Angeles CA 1,110,915.79 7.150 6.900 0.250 Jan-40 7,382.41 420 382 38 Jan-05 Dec-14 N/A 6 81 81 0 669478    PLC 207/223(f) Bluffton OH 1,104,705.46 6.250 6.000 0.250 Jul-42 6,520.66 420 412 8 Jul-07 Jul-08 Jul-17 2 4 112 0 655303    PLC 223(a)(7) Mentor OH 946,067.81 6.500 6.250 0.250 Jun-37 6,029.93 360 351 9 Jun-07 Jul-08 Jul-11 7 4 40 0 653839    PLC 223(a)(7) Laurel DE 933,564.90 6.350 6.000 0.350 Jul-37 5,853.37 360 352 8 Jul-07 Aug-08 Aug-17 2 5 113 0 653448    PLC 221(d)(4)/223(a)(7) Kaufman TX 627,361.64 6.750 5.640 1.110 Jul-37 4,097.84 360 352 8 Jul-07 N/A Jul-10 14 N/A 28 0 669479    PLC 207/223(f) Port Huron MI 476,620.61 6.600 6.100 0.500 Aug-42 2,925.04 421 413 8 Jul-07 Aug-08 Aug-17 2 5 113 0 664653    PLC 223(a)(7) Scottsville KY 458,882.51 5.950 5.700 0.250 Jun-37 ** 360 351 9 Jun-07 Jun-09 Jun-17 9 15 111 0 659872    PLC 223(a)(7) South Shore KY 320,046.82 7.250 6.875 0.375 Jul-37 2,197.29 360 352 8 Jul-07 Jul-08 Jul-17 2 4 112 0 652167    PLC 223(a)(7) Bloomfield NE 278,549.74 6.250 6.000 0.250 Jun-37 1,730.17 360 351 9 Jun-07 Jul-08 Jul-17 2 4 112 0 589260    PLC 221(d)(3)/223(a)(7) North Charleston    SC 272,524.92 6.850 6.350 0.500 Feb-33 1,933.01 360 299 61 Feb-03    Mar-13 N/A 6 60 60 0 643473    CLC 221(d)(4) Fayetteville NC 254,436.00 5.980 5.730 0.250 Oct-47 1,396.40 496 475 21 Jun-06 Jun-09 Jun-17 3 15 111 0 636388    PLC 221(d)(4) Bossier City LA 3,809.91 5.830 5.580 0.250 Jun-47 20.61 472 471 1 Feb-08 Jul-09 Jul-17 3 16 112 0 *  Based on publicly available information, including the report based upon disclosure documents for the Ginnie Mae Multifamily Certificates, the information with respect to the Mortgage Loans set forth on this Exhibit A has been collected and summarized by the Sponsor. **  Pool Numbers 662248 and 664653 will have monthly principal and interest payments as described in this Supplement. See ""Certain Additional Characteristics of the Mortgage Loans – Level Payments'' in this Supplement. †  The principal and interest amounts shown in this column reflect only those amounts that are due in respect of the portion of each applicable Ginnie Mae Project Loan Certificate that is a Trust PLC or each Ginnie Mae Construction Loan Certificate that is a Trust CLC. Because Ginnie Mae Construction Loans are not entitled to receive principal payments, the amounts identified for each Trust CLC are based upon the assumption that the Trust CLC has converted to a Trust PLC. D-8