Exhibit A Characteristics of the Ginnie Mae Multifamily Certificates and the Related Mortgage Loans* Pool Number FHA Insurance Program/ 538 Guaranty Program City State Principal Balance as of the Cut-Off Date Mortgage Interest Rate (%) Certificate Rate(%) Servicing and Period Fee Rate (%) Maturity Date Guaranty and Interest Monthly Principal Maturity (mos.) Original Term to Maturity (mos.) Remaining Term to Issuance (mos.) Issue Date Lockout End Date Penalty End Date Lockout/ Prepayment Restriction Code Remaining Lockout Period (mos.) Total Remaining Lockout and Prepayment Penalty Period (mos.) 610036    221(d)(4) Richmond VA $  17,172,866.86 5.600% 5.350% 0.250%    Jan-46    $90,101.67 476 473 3 May-06     Nov-10 Nov-15 7 51 111 585497    221(d)(4) Winston-Salem NC 14,186,465.06 6.330 6.080 0.250 Apr-46 81,507.20 478 476 2 Jun-06 Jun-11 Jun-14 9 58 94 610075    221(d)(4) Charlottesville VA 13,373,132.04 5.800 5.550 0.250 Nov-45 72,075.52 476 471 5 Mar-06 Feb-11 Feb-16 7 54 114 612695 221(d)(4) Falcon Heights MN 11,796,530.94 5.435 5.185 0.250 Oct-45 ** 476 470 6 Feb-06 Jan-08 Jan-16 5 17 113 640480 232/223(f) Millbrae CA 11,347,023.22 5.030 4.780 0.250 Apr-41 57,687.34 420 416 4 Apr-06 Jun-08 Jun-16 5 22 118 608890 220 Manchester NH 11,297,432.70 6.400 6.150 0.250 Feb-46 65,517.75 477 474 3 May-06 Feb-11 Feb-16 7 54 114 612701 221(d)(4) Blaine MN 9,464,616.97 6.000 5.750 0.250 Sep-45 ** 475 469 6 Feb-06 Oct-07 Oct-15 5 14 110 634982 223(f) Los Angeles CA 9,430,187.15 5.580 5.300 0.280 May-41 51,256.32 421 417 4 Apr-06 Jun-08 Jun-16 5 22 118 634983 232/223(f) Cleveland Heights OH 7,624,924.22 5.950 5.700 0.250 May-31 49,110.01 301 297 4 Apr-06 Jul-07 Jul-16 4 11 119 632263 241 Foxlake IL 7,614,203.09 6.500 6.250 0.250 Jan-46 44,717.19 474 473 1 Jul-06 Mar-07 Mar-16 4 7 115 629306 221(d)(4) Baltimore MD 6,549,122.18 6.400 6.150 0.250 Sep-45 38,070.30 473 469 4 Apr-06 Nov-08 Nov-15 6 27 111 639049 232/223(a)(7) St. Anthony MN 6,416,131.79 5.220 4.970 0.250 Jun-36 35,392.82 360 358 2 Jun-06 Aug-08 Aug-16 5 24 120 612685 221(d)(4) Falcon Heights MN 5,914,286.61 5.430 5.180 0.250 Dec-44 ** 476 460 16 Apr-05 Feb-07 Feb-15 5 6 102 608325 223(f) Wichita Falls TX 5,740,029.42 5.820 5.570 0.250 Apr-40 32,431.89 405 404 1 Jul-06 Sep-07 Sep-16 4 13 121 649774 232/223(a)(7) North Kingstown RI 5,693,753.63 6.200 5.950 0.250 Apr-35 35,437.23 346 344 2 Jun-06 Aug-08 Aug-16 5 24 120 612706 241/223(a)(7) St. Paul MN 5,687,311.74 5.500 5.250 0.250 Sep-28 37,114.21 287 265 22 Oct-04 Nov-06 Nov-14 5 3 99 602610 241 New Hartford NY 5,653,498.95 5.980 5.730 0.250 Apr-27 40,119.86 251 248 3 May-06 Jul-10 Jul-15 7 47 107 462153 232 San Antonio TX 5,470,238.05 7.350 7.100 0.250 Nov-39 36,708.93 463 399 64 Apr-01 Aug-09 N/A 1 36 36 536536 221(d)(4) Clinton MS 5,134,088.92 7.750 7.500 0.250 Nov-42 35,303.75 478 435 43 Jan-03 Sep-07 Sep-12 7 13 73 525439 221(d)(4) Lithonia GA 5,036,934.25 7.250 7.000 0.250 Aug-42 32,867.42 476 432 44 Dec-02 Oct-12 N/A 1 74 74 559195 232/223(f) Calcutta OH 4,879,315.84 7.850 7.600 0.250 Aug-31 37,175.80 361 300 61 Jul-01 Oct-06 Oct-11 7 2 62 650892 223(f) Various WI 4,805,446.82 5.650 5.400 0.250 May-31 30,079.69 301 297 4 Apr-06 Jun-08 Jun-16 5 22 118 503351 223(a)(7) Peoria IL 4,340,027.89 8.125 7.875 0.250 Nov-34 32,705.62 421 339 82 Oct-99 Jan-05 Jan-10 7 0 41 643865 223(a)(7) St. Louis MO 4,143,900.00 5.800 5.550 0.250 Jul-46 22,225.25 481 479 2 Jun-06 Sep-07 Sep-16 4 13 121 * Based on publicly available information, including the 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 643468, 612685, 612695, 612701, and 650899 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. Lockout/Prepayment Penalty Restriction Codes: (1)  Lockout before the Lockout End Date; thereafter no Prepayment Penalty applies. (2)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 7% of the prepaid amount until the twelfth mortgage loan payment beyond the Lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date until it reaches 1%. (3)  Lockout before the Lockout End; thereafter a Prepayment Penalty of 5% of the prepaid amount until the thirty-sixth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (4)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 9% of the prepaid amount until the twelfth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (5)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 8% of the prepaid amount until the twelfth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (6)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 7% of the prepaid amount until the twelfth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (7)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 5% of the prepaid amount until the twelfth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (8)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 4% of the prepaid amount until the twelfth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (9)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 3% of the prepaid amount until the twelfth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (10)  Lockout before the Lockout End Date; thereafter a Prepayment Penalty of 3% of the prepaid amount until the fourteenth mortgage loan payment beyond the lockout End Date disclosed above, declining thereafter by 1% annually before the Prepayment Penalty End Date. (continued on next page) A-1