NEW YORK–(BUSINESS WIRE)– #creditratingagency–KBRA assigns preliminary ratings to 69 classes of mortgage-backed notes from PMT Loan Trust 2026-INV9 (PMTLT 2026-INV9), a prime RMBS transaction sponsored by PennyMac Corp. (PennyMac), an indirect, wholly-owned subsidiary of PennyMac Mortgage Investment Trust (PMT). PMTLT 2026-INV9 comprises 1,116 fixed-rate mortgages (FRMs) with an aggregate principal balance of $398.1 million as of the September 1, 2026 cut-off date. The underlying pool consists of agency-eligible