REMIC Securities MX Securities Class Original Class Principal Balance or Class Notional Balance Related MX Class Maximum Original Class Principal Balance or Class Notional Balance(2) Principal Type(3) Interest Rate Interest Type(3) CUSIP Number Final Distribution Date(4) Combination 75 BI $ 4,592,902 BG $  27,557,408 SC/SEQ 5.00% FIX 383742DU4 August 2037 BO 27,557,408 BX 27,557,408 XB 27,557,408 Combination 76 BI $ 5,741,127 BH $  27,557,408 SC/SEQ 5.25% FIX 383742DV2 August 2037 BO 27,557,408 BX 27,557,408 XB 27,557,408 Combination 77 BI $ 6,889,352 BK $  27,557,408 SC/SEQ 5.50% FIX 383742DW0 August 2037 BO 27,557,408 BX 27,557,408 XB 27,557,408 Combination 78 BI $ 8,037,578 BL $  27,557,408 SC/SEQ 5.75% FIX 383742DX8 August 2037 BO 27,557,408 BX 27,557,408 XB 27,557,408 Combination 79 BI $ 9,185,803 BM $  27,557,408 SC/SEQ 6.00% FIX 383742DY6 August 2037 BO 27,557,408 BX 27,557,408 XB 27,557,408 Combination 80 BI $ 9,185,803 IO $  20,763,736 NTL (SC/PT) 6.00%  FIX/IO 383742DZ3 August 2037 PI 11,577,933 Combination 81 BI $ 8,037,577 AI $  19,615,510 NTL (SC/SEQ) 6.00%  FIX/IO 383742EA7 August 2037 PI 11,577,933 S-I-12