Prospectus excerpt:  We will pay interest on the debentures on January 30, April 30, July 30 and October 30 of each year, commencing July 30, 2013. We may defer interest payments during one or more deferral periods for up to five consecutive years as described in this prospectus supplement.

On or after May 2, 2018, we may redeem the debentures, in whole at any time or in part from time to time, at their principal amount plus accrued and unpaid interest to, but excluding, the date of redemption; provided that if the debentures are not redeemed in whole, at least $25 million aggregate principal amount of the debentures must remain outstanding after giving effect to such redemption.

We may redeem the debentures, in whole, but not in part, at any time prior to May 2 , 2018, within 90 days of the occurrence of a Ùtax eventˆ (as defined in ÙDescription of Debentures?Optional Redemption of the Debenturesˆ), at a redemption price equal to their principal amount plus accrued and unpaid interest to, but excluding, the date of redemption.

We may redeem the debentures, in whole, but not in part, at any time prior to May 2, 2018, within 90 days of the occurrence of a Ùrating agency eventˆ (as defined in ÙDescription of Debentures?Optional Redemption of the Debenturesˆ), at a redemption price equal to the greater of (a) their principal amount or (b) a make-whole amount, in each case, plus any accrued and unpaid interest to, but excluding, the date of redemption.

The debentures will be unsecured and will rank in right of payment and upon our liquidation junior to all of our current and future Senior Indebtedness (as defined in ÙDescription of Debentures?Subordinationˆ) on the terms set forth in the indenture pursuant to which the debentures will be issued. The debentures will not be obligations of or guaranteed by any of our subsidiaries. As a result, the debentures will also be structurally subordinated to all debt and other liabilities of our subsidiaries.

Beneficial interests in the debentures will be issued in book-entry form in denominations of $25 and multiples of $25 in excess thereof. The debentures will mature on April 30, 2053.