NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) is pleased to announce the assignment of preliminary ratings to seven classes of BXP Trust 2017-GM, a CMBS single asset, single borrower (SASB) securitization. The collateral for the transaction is a $1.35 billion portion of a $2.30 billion non-recourse, first lien mortgage loan. The trust portion of the whole loan is represented by four pari passu A notes ($520.0 million) and four subordinate B notes ($830.0 million). The fixed-rate lo