NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) assigns preliminary ratings to 19 classes of notes from Freddie Mac’s Structured Agency Credit Risk (STACR) Debt Notes, Series 2018-DNA1 (STACR 2018-DNA1), a credit risk sharing transaction with a total note offering of $900,000,000. STACR 2018-DNA1 represents Freddie Mac’s 34th risk transfer deal under the STACR shelf, as well as the 11th in its actual loss ‘DNA’ series that features loans with loan-to-value (LTV) ratios greater than 6