POWER OF ATTORNEY

The undersigned does hereby appoint Roger S. Begelman, Felicia Rector, Andrea DeMar, Yvette Kosic and Kevin Treanor (and any other employee of The Goldman Sachs Group, Inc. or one of its affiliates designated in writing by one of the attorneys-in-fact), his true and lawful attorneys, and each of them his true and lawful attorney, with power to act without the other, and with full power of substitution and resubstitution, to execute for him and in his name any Initial Statement of Beneficial Ownership of Securities on Form 3, any Statement of Changes in Beneficial Ownership on Form 4 and any Annual Statement of Changes in Beneficial Ownership on Form 5, or any similar or successor form, which may be required to be filed by him with the Securities and Exchange Commission and any and all instruments necessary or incidental therewith, hereby granting unto said attorneys and each of them full power and authority to do and perform in the name and on behalf of the undersigned, and in any and all capacities, every act and thing whatsoever required or necessary to be done in and about the premises, as fully and to all intents and purposes as the undersigned might or could do in person, hereby ratifying and approving the act of said attorneys and each of them.

This power of attorney shall not be affected by the subsequent disability or incompetence of the principal. This power of attorney shall remain in full force and effect until either revoked in writing by the undersigned or until such time as the person or persons to whom power of attorney has been hereby granted cease(s) to be an employee of The Goldman Sachs Group, Inc. or one of its affiliates.

In witness thereof the undersigned hereunto signed his name this 1st day of June 2007.

/s/ Scott L. Lebovitz     

Scott L. Lebovitz