Freddie Mac (NYSE: FRE) announced today that it auctioned a $1 billion reopening of its 1.125% two-year USD Reference Notes(R) security that matures on December 15, 2011. The stop yield for the issue, CUSIP 3137EACF4, was 1.179%, priced at 99.886974, or approximately 24.5 basis points more than two-year U.S. Treasury Notes. The bid-to-cover ratio was 4.01 to 1.