MCLEAN, Va., Nov. 20, 2012 /PRNewswire/ -- Freddie Mac (OTC: FMCC) announced today that it priced its new 0.75% five-year USD Reference Notes® security due on January 12, 2018. The issue, CUSIP number 3137EADN6, was priced at 99.428 to yield .864%, or 21.5 basis points more...