Investor Relations

Jon C. Madonna
was chairman and chief executive officer of KPMG (an international accounting and consulting firm in New York, New York) from 1990 until his retirement in 1996. He was with KPMG for 28 years, where he held numerous senior leadership positions throughout his career. Subsequent to his retirement from KPMG, Mr. Madonna served as vice chairman of Travelers Group, Inc. from 1997 to 1998 and president and chief executive officer of Carlson Wagonlit Corporate Travel, Inc. from 1999 to 2000. He was chief executive officer of DigitalThink, Inc. from 2001 to 2002 and was chairman of DigitalThink, Inc. from April 2002 to May 2004. Mr. Madonna has been a director of AT&T since November 2005. He served as a director of AT&T Corp. from 2002 until the company was acquired by AT&T Inc. (then known as SBC Communications Inc.) in 2005. Mr. Madonna is the chairman of the Audit Committee and a member of the Corporate Development Committee and the Executive Committee. He is a director of Freeport-McMoRan Copper & Gold Inc. and Tidewater Inc.

Lynn M. Martin
is president of The Martin Hall Group, LLC (a human resources consulting firm in Chicago, Illinois) and has served in this capacity since January 2005. Ms. Martin was chair of the Council for the Advancement of Women and advisor to the firm of Deloitte & Touche LLP (an auditing and management consulting services firm in Chicago, Illinois) from 1993 until September 2005. She served as U.S. Secretary of Labor from 1991 to 1993 and as a member of the U.S. House of Representatives from Illinois from 1981 to 1991. Ms. Martin has been a director of AT&T since October 1999. She served as a director of Ameritech Corporation from 1993 until the company was acquired by AT&T (then known as SBC Communications Inc.) in 1999. Ms. Martin is a member of the Corporate Governance and Nominating Committee and the Finance/Pension Committee. She is a director of Constellation Energy Group, Inc., certain Dreyfus Funds, The Procter & Gamble Company and Ryder System, Inc.

John B. McCoy
was chairman from November 1999 and chief executive officer from October 1998 of Bank One Corporation (commercial and consumer bank based in Chicago, Illinois) until his retirement in December 1999, and chairman and chief executive officer of its predecessor, Banc One Corporation, from 1987 to 1998. Mr. McCoy has been a director of AT&T since October 1999. He served as a director of Ameritech Corporation from 1991 until the company was acquired by AT&T (then known as SBC Communications Inc.) in 1999. He is the chairman of the Finance/Pension Committee and a member of the Corporate Governance and Nominating Committee and the Executive Committee. He is a director of Onex Corporation.

Mary S. Metz
is chair emerita of the board of trustees of American Conservatory Theater (a nonprofit nationally renowned theater and an accredited conservatory in San Francisco, California), where she served as chair of the board of trustees from November 2004 until June 2007. Dr. Metz is also president emerita of Mills College. She was president of S. H. Cowell Foundation in San Francisco, California, from January 1999 until her retirement in March 2005, and was dean of the University Extension of the University of California at Berkeley from 1991 until 1998. Dr. Metz has been a director of AT&T since April 1997. She served as a director of Pacific Telesis Group from 1986 until the company was acquired by AT&T (then known as SBC Communications Inc.) in 1997. She is a member of the Corporate Governance and Nominating Committee and the Public Policy Committee. Dr. Metz is a director of Pacific Gas and Electric Company and UnionBanCal Corporation.