Ralph V. Whitworth Independent Director since 2010 Mr. Whitworth is a founder and principal of Relational Investors LLC, an investment fund specializing in strategic block investments. Mr. Whitworth founded the fund in 1996. From 1988 to 1996, Mr. Whitworth served as president of Whitworth and Associates, a firm that advised major corporations and investors on investments, acquisitions, and corporate governance matters

He was also president of development at United Thermal Corporation from 1989 to 1992. Mr. Whitworth held the pro bono position of president of the United Shareholders Association from 1986 to 1994, and while doing so, authored the petition for rulemaking that in 1992 culminated in a major overhaul of the U.S. Securities and Exchange Commission’s shareholder communication and compensation disclosure rules. From 1985 to 1988, Mr. Whitworth served as Assistant to the General Partner at Mesa Limited Partnership, the nation’s largest independent oil and gas exploration company at that time. In addition, Mr. Whitworth served on the U.S. Senate Judiciary Committee staff of Senator Paul Laxalt from 1981 to 1984. Mr. Whitworth is the former Chairman of the Board of Apria Healthcare Group, former Chairman of the Board of Waste Management, Inc.; and a former director of Sovereign Bancorp, Sprint Nextel Corporation, Mattel, Tektronix, Sirius Satellite Radio, Wilshire Technologies, and United Thermal Corporation. Mr. Whitworth is also a director of Titan Investment Partners, LLC, an investment fund that focuses on emerging companies. Mr. Whitworth also serves on the Advisory Council of the Public Company Accounting Oversight Board. Mr. Whitworth’s qualifications to serve as a director include his expertise in corporate governance and extensive experience as a director of nine public companies. Among his various governance-related activities, he has been invited to present his views before Congress, the SEC, the New York Stock Exchange Board and the New York Federal Reserve on corporate governance and shareholder rights matters. Mr. Whitworth has served on five Blue Ribbon committees sponsored by the National Association of Corporate Directors regarding director compensation and corporate governance. Mr. Whitworth also has experience in finance, investments, and acquisitions from his twenty years of corporate board activities. Mr. Whitworth holds a J.D. from Georgetown University.