NEW YORK--(BUSINESS WIRE)--Kroll Bond Rating Agency (KBRA) is pleased to announce the assignment of preliminary ratings to 15 classes of the COMM 2015-CCRE26 transaction (see ratings listed below). COMM 2015-CCRE26 is a $1.1 billion CMBS conduit transaction collateralized by 59 fixed rate commercial mortgage loans that are secured by 98 properties. The underlying collateral properties are located in 30 states, with four states representing more than 10.0% of the pool balance: California (15.6%)