Directors Sir Ronald Hampel, 72, former chairman of United Business Media, a U.K.-based media company, from 1999-2002;  chairman of Imperial Chemical Industries plc (ICI) 1995-1999, and a director 1985-1999; deputy chairman and chief executive officer 1993-1995; chief operating officer 1991-1993. Director of Alcoa since 1995. Alain J. P. Belda, 61, chairman of the board of Alcoa since January 2001, and chief executive officer since May 1999. Elected president and chief operating officer in January 1997, vice chairman in 1995, and executive vice president in 1994. President of Alcoa Aluminio S.A. from 1979 to 1994. Director of Alcoa since 1998. Kathryn S. Fuller, 58, president and chief executive officer of the World Wildlife Fund U.S. (WWF), one of the world’s largest nature conservation organizations, since 1989; various positions with the organization since 1982 including executive vice president, general counsel, and director of WWF’s public policy and wildlife trade monitoring programs. Director of Alcoa since 2002. Carlos Ghosn, 50, president and chief executive officer, Nissan Motor Company, Ltd., since 2001; chief operating officer 1999-2001. From 1996 to 1999 he was executive  vice president of Renault S.A., and from 1979 to 1996 he served in various capacities with Compagnie Générale des Etablissements Michelin. Director of Alcoa since 2002. Joseph T. Gorman, 67, chairman and chief executive officer of Moxahela Enterprises, LLC, a venture capital firm, since 2001. He was chairman and chief executive officer of TRW Inc., a global company serving the automotive, space, and information systems markets, 1988-2001. Director of Alcoa since 1991. Judith M. Gueron, 63, visiting scholar at the Russell Sage Foundation, a foundation devoted to research in the  social sciences, and president emerita of MDRC, a nonprofit research organization that designs, manages, and studies projects to increase the self-sufficiency of economically  disadvantaged groups, since September 2004. Dr. Gueron was president of MDRC from 1986 to August 2004. Director of Alcoa since 1988. Ernesto Zedillo, 53, director, Yale Center for the Study of Globalization, since September 2002. Former president of Mexico, elected in 1994 and served until 2000; held various positions in the Mexican federal government from late  1987 to his election. Director of Alcoa since 2002. Franklin A. Thomas, 70, consultant, TFF Study Group, a nonprofit institution assisting development in South Africa, since 1996; chairman, September 11 Fund since 2001;  president and chief executive officer of The Ford Foundation 1979-1996. Director of Alcoa since 1977. Henry B. Schacht, 70, managing director and senior advisor of Warburg Pincus LLC, a global private equity firm, since 2004. Mr. Schacht served as chairman (1996 to 1998; October 2000 to February 2003) and chief executive officer (1996 to 1997; October 2000 to January 2002) of Lucent Technologies Inc. He also previously served as senior advisor (1998 to 1999 and 2003) to Lucent. Mr. Schacht was  managing director of Warburg Pincus LLC from February 1999 until October 2000. Director of Alcoa since 1994. Klaus Kleinfeld, 47, deputy chairman of the Managing  Board and president and chief executive officer of Siemens AG, a global electronics and industrial conglomerate, since January 27, 2005. Mr. Kleinfeld served as deputy chairman of the Managing Board and executive vice president of Siemens AG from 2004 to January 27, 2005. He served as president and chief executive officer, Siemens Corporation, the U.S. arm  of Siemens AG, from 2002 to 2004. He was also a member of the Managing Board of Siemens AG from December 2002 to December 2003. Mr. Kleinfeld served as chief operating officer of Siemens Corporation from January to December 2001. Prior to his U.S. assignment, Mr. Kleinfeld was executive vice president and a member of the Executive Board of the Siemens AG Medical Engineering group from January to December 2000. Director of Alcoa since 2003. Ernesto Zedillo Franklin A. Thomas Henry B. Schacht Klaus Kleinfeld Sir Ronald Hampel Alain J. P. Belda Kathryn S. Fuller Carlos Ghosn Joseph T. Gorman Judith M. Gueron 66