NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) is pleased to announce the assignment of preliminary ratings to 14 classes of COMM 2017-COR2 (see ratings list below), a $916.5 million CMBS conduit transaction collateralized by 42 commercial mortgage loans secured by 55 properties. The collateral properties are located in 22 states, with four state exposures each representing more than 10.0% of the pool balance: California (21.0%), Washington (12.4%), New York (12.4%) and Texas (12.3%