NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns preliminary ratings to 42 classes of mortgage pass-through certificates from PSMC 2018-4 Trust (PSMC 2018-4), a prime jumbo RMBS transaction jointly sponsored by subsidiaries of American International Group, Inc. (AIG). The PSMC 2018-4 pool comprises 614 first-lien, prime residential mortgage loans with an aggregate principal balance of $395,703,685 as of the cut-off date. The collateral consists entirely of fully-amortizing, 30
