Prospectus excerpt:  We are offering 7,000,000 depositary shares, each of which represents a 1/20th interest in a share of our 5.75% Series A Mandatory Convertible Preferred Stock, $0.01 par value per share, which we refer to in this prospectus supplement as our mandatory convertible preferred stock. The shares of mandatory convertible preferred stock will be deposited with American Stock Transfer & Trust Company, LLC as bank depositary, pursuant to a deposit agreement. Holders of the depositary shares will be entitled to a proportional fractional interest in the rights and preferences of the mandatory convertible preferred stock, including conversion, dividend, liquidation and voting rights, subject to the provisions of such deposit agreement.