• Prior Professional Experience: Previously, Mr. Barr served in the following positions:

- Of Counsel of Kirkland & Ellis LLP – January 2009 to July 17, 2009.

- Executive Vice President and General Counsel, Verizon Communications – 2000 to 2008.

- Executive Vice President and General Counsel, GTE Corporation – 1994 to 2000.

- Partner of Shaw, Pittman, Potts & Trowbridge (now Pillsbury Winthrop Shaw Pittman LLP) – 1993 to 1994 and 1984 to 1989.

- 77th Attorney General of the United States – 1991 to 1993.

- Deputy Attorney General of the United States – 1990 to 1991.

- Assistant Attorney General in charge of the Office of Legal Counsel – 1989 to 1990.

• Company Directorship: Mr. Barr is an Independent Director. He has been a Director of the Company since July 23, 2009.

• Other Directorships: Mr. Barr serves on the Boards of Selected Funds, Holcim US, and Dominion Resources, Inc.