Prospectus excerpt:  We are offering 8,000,000 shares of our 5.100% Series D Cumulative Perpetual Preferred Stock, par value $.01 per share, which we refer to in this prospectus supplement as our ôSeries D Preferred Stock.ö

The holders of shares of our Series D Preferred Stock will be entitled to receive, when, as and if declared by our board of directors out of funds legally available for the payment of dividends, cash dividends at a rate of 5.100% per annum of the $25 liquidation preference per share. Dividends on the Series D Preferred Stock will be payable quarterly in arrears on March 15, June 15, September 15 and December 15 of each year, each such date a ôDividend Payment Date,ö commencing on June 15, 2013 and will accrue from, and including, the original issue date in the amount of approximately $1.275 per share.

On or after March 15, 2018, we may, at our option, redeem the Series D Preferred Stock, in whole or in part, at any time or from time to time, for cash at a redemption price of $25 per share, plus all accrued and unpaid dividends on such Series D Preferred Stock up to, but excluding, the redemption date. Before March 15, 2018, we will have the right to redeem the Series D Preferred Stock, in whole but not in part, at any time upon a redemption notice delivered within 90 days after the conclusion of any review or appeal process instituted by us following the occurrence and continuation of a Rating Agency Event (as described herein), at a redemption price equal to 102% of the principal amount of the Series D Preferred Stock being redeemed plus accrued and unpaid interest to, but excluding, the date of redemption. The Series D Preferred Stock has no stated maturity date and is not subject to mandatory redemption or any sinking fund. Holders of shares of the Series D Preferred Stock will generally have no voting rights, except for limited voting rights if we fail to pay dividends for six or more quarterly periods (whether or not consecutive) and in certain other circumstances described herein under the heading ôDescription of the Series D Preferred Stock ù Voting Rights.ö