• Distinguished Service Professor at Harvard University – July 2003 to present. His research and teaching interests are centered on corporate governance.

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

- Dean and Royall Professor of Law, Harvard Law School – 1989 to 2003.

- Professor, Harvard Law School – 1978 to 2003. Concentrated on corporate law; author of Corporate Law.

- Professor, Yale Law School – 1974 to 1978.

- Associate, Ropes & Gray – 1972 to 1974. Practice involved commercial and corporate law.

• Company Directorship: Mr. Clark is an Independent Director. He has been a Director of the Company since January 2004.

• Other Directorships: Mr. Clark is a director of Omnicom Group, Inc., an advertising agency holding company. He is also a trustee of TIAA, a leading pension fund serving the higher education community.