Fannie Mae-No Politics (FNMA)

[Cynic-Al]

They didn't receive a loan it was a cash infusion. At the time this happened the government planned to liquidate FnF so the payments made are dividends not paying down a principle on a loan. Also, if they did decide to release FnF they do have stock in the company that they could exercise.
"The agreement the Treasury made with both GSEs specifies that in exchange for future support and capital investments of up to US$ 100 billion in each GSE, at the inception of the conservatorship, each GSE shall issue to the Treasury US$ 1 billion of senior preferred stock, with a 10% coupon, without cost to the Treasury. Also each GSE contracted to issue common stock warrants representing an ownership stake of 79.9%, at an exercise price of one-thousandth of a U.S. cent ($ 0.00001) per share, and with a warrant duration of twenty years".