NY -- Standard&Poor's CreditWire 4/6/98 -- Standard&Poor's today affirmed its triple-'A'/'A-1'-plus ratings on Federal Home Loan Mortgage Corp.'s (Freddie Mac) senior global debt facility in light of the company expanding their debt issuance beyond the $15 billion ceiling on the program and the elimination of the ceiling on the global debt facility. In addition, Standard&Poor's affirmed its double-'A'-minus rating on Freddie Mac's $400 million preferred stock issue. The rating on the global senior debt program of Freddie Mac reflects the company's status as a government-sponsored enterprise (GSE). While there is no U.S. government guarantee on Freddie Mac's obligations, GSEs including Freddie Mac benefit from the ability to issue debt obligations pursuant to its GSE