Patricia Diaz Dennis Board Member
United States Steel Corporation

Patricia Diaz Dennis graduated from the University of California Los Angeles and received her law degree from the Loyola Law School of Loyola Marymount University. Ms. Dennis has held three Senate-confirmed federal government appointments. Former President Ronald Reagan named her to the National Labor Relations Board in 1983 and appointed her as a commissioner of the Federal Communications Commission three years later. After becoming partner and head of the communications department of Jones, Day, Reavis & Pogue, Ms. Dennis returned to public service in 1992 when former President George H. W. Bush appointed her Assistant Secretary of State for Human Rights and Humanitarian Affairs. Ms. Dennis served in a variety of executive positions with SBC Communications, Inc., which later became AT&T, including General Counsel and Secretary of SBC West from May 2002 until August 2004 and Senior Vice President and Assistant General Counsel of AT&T from 2004 to 2008. Ms. Dennis currently serves on the boards of Massachusetts Mutual Life Insurance Company and Entravision Communication Corporation. She also is a trustee of the NHP Foundation and a member of the Advisory Board for LBJ Family Wealth Advisors. Particular experience, attributes or skills that qualify candidate for Board membership: Ms. Dennis’ legal expertise and federal government public service contributes to her skills in the areas of risk management, compliance, internal controls, and legislative and administrative issues. Additionally, her National Labor Relations Board experience will bring significant union relations insight and expertise to the Board. These factors, along with her long record of demonstrated executive leadership and integrity, indicate that Ms. Dennis would provide valued insight and perspective to Board deliberations and in the oversight of the Corporation’s operations. Ms. Dennis’ experience on the board of directors of a large insurance firm also demonstrates her knowledge of complex financial and operational issues. Ms. Dennis was appointed to three federal government positions, which provides her with unique insight with respect to regulatory and public policy matters, both of which strengthen the board’s collective knowledge, capabilities and experience.