Schedule I Available Combinations(1) REMIC Securities MX Securities Class Original Class Principal 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) Security Group 1 Combination 1 PA $40,860,000 PT $90,450,000 PAC I 5.0% FIX 38374 F X 7 4 May 2030 PB 49,590,000 Combination 2(5) PA $40,860,000 PG $40,860,000 PAC I 2.5% FIX 38374 F X 8 2 June 2025 PH 40,860,000 PAC I 3.0 FIX 38374 F X 9 0 June 2025 PI 20,430,000 NTL (PAC I) 5.0 FIX/IO 38374 F Y 2 4 June 2025 PJ 40,860,000 PAC I 3.5 FIX 38374 F Y 3 2 June 2025 PK 40,860,000 PAC I 4.0 FIX 38374 F Y 4 0 June 2025 PL 40,860,000 PAC I 4.5 FIX 38374 F Y 5 7 June 2025 Combination 3(5) PB $49,590,000 IB $  9,918,000 NTL (PAC I) 5.0%    FIX/IO 38374 F Y 6 5 May 2030 PX 49,590,000 PAC I 4.0 FIX 38374 F Y 7 3 May 2030 PY 49,590,000 PAC I 4.5 FIX 38374 F Y 8 1 May 2030 Combination 4 PC $37,810,000 IC $  3,781,000 NTL (PAC I) 5.0%    FIX/IO 38374 F Y 9 9 April 2033 PE 37,810,000 PAC I 4.5 FIX 38374 F Z 2 3 April 2033 B-20