Exhibit 12.1 Ration of Earnings To Combined Fixed Charges And Preferred Stock Dividends The following table sets forth the calculation of our ratio of earnings to combined fixed charges and preferred stock dividends for the periods shown (dollars in thousands): For the Year For the Year For the Year For the Year For the Year Ended Ended Ended Ended Ended December 31, December 31, December 31, December 31, December 31, 2007 2006 2005 2004 2003 ------------ ------------ ------------ ------------ ------------ Net (loss) income before taxes $ 423,904 $ 101,678 $ 1,497 $ 253,050 $ 180,103 Add: fixed charges (interest expense) 1,926,465 1,055,013 568,560 270,116 182,004 preferred stock dividend 21,493 19,557 14,593 7,745 - Earnings as adjusted $ 2,371,862 $ 1,176,248 $ 584,650 $ 530,911 $ 362,107 Fixed charges (interest expense) + preferred stock dividend $ 1,947,958 $ 1,074,570 $ 583,153 $ 277,861 $ 182,004 Ratio of earnings to combined fixed charges and preferred stock dividends 1.22X 1.09X 1.00X 1.91X 1.99X