Preliminary ratings Class Prelim. rating* Prelim. class size (%)§ A AAA (sf) 95.00 B-Dfrd AA (sf) 2.50 C-Dfrd A (sf) 1.00 D-Dfrd BBB (sf) 1.50 X-Dfrd BB (sf) 1.61 RFN NR N/A Y NR N/A R NR N/A VRR NR N/A *Our ratings address timely receipt of interest and ultimate repayment of principal on the class A notes and the ultimate payment of interest and principal on the other rated notes. Our preliminary ratings also address the timely payment of interest on the rated notes when they become most senior outstanding. §Size is inclusive of the equivalent VRR amount. NR--Not rated. N/A--Not applicable. We assigned preliminary ratings to GS Mortgage-Backed Securities Trust 2026-IRPM1's class A, B-Dfrd, C-Dfrd, D-Dfrd, and X-Dfrd