NEW YORK - Fannie Mae, the largest U.S. home funding source, said on Wednesday it sold $2 billion of bills at rates unchanged from last week's rates for similar sizes and maturities.

Fannie Mae sold $1 billion of three-month benchmark bills due Dec. 30, 2009 at a stop-out rate, or lowest accepted rate, of 0.120 percent, and $1 billion of six-month bills due March 31, 2010 at a 0.195 percent stop-out rate.

The three-month bills were priced at 99.970 with a money market yield of 0.120 percent, and the six-month bills were priced at 99.901 with a money market yield of 0.195 percent, according to Fannie Mae. These prices and yields are the same as those for last week's sale.

Settlement is Sept. 30, Oct. 1.

On Sept. 23, Fannie Mae sold $1 billion of three-month bills at a 0.120 percent stop-out rate, and $1 billion of six-month bills at a rate of 0.19 percent. (Reporting by Pam Niimi; Editing by James Dalgleish)