An article from Freddie Mac Announces First K Certificates Offering Backed Only by 5-Year Multifamily Mortgages Published March 19, 2012 By Ron Gallagher Contributing Editor post share post print email license Freddie Mac Monday announced its first offering of Structured Pass-Through Certificates ("K Certificates") backed exclusively by multifamily mortgages with a 5-year term. Recommended Reading Read More Multi Housing News purchase licensing rights Filed Under: Economy