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Klaus Kleinfeld
President and Chief Executive Officer
Director
New York

Klaus Kleinfeld was elected president and chief executive officer of Alcoa on May 8, 2008. He has been president and chief operating officer of the company since October 1, 2007, with day-to-day responsibility for Alcoa's operations and businesses worldwide. Mr. Kleinfeld has been a member of Alcoa's board of directors since November 14, 2003.

Prior to joining Alcoa, Mr. Kleinfeld served as President and Chief Executive Officer of Siemens AG, the global electronics and industrial conglomerate from January 2005 to June 2007. In just two years as President and CEO of Siemens AG, Mr. Kleinfeld presided over a dramatic transformation of the company. He reshaped the company's portfolio around three high growth areas, revenues increased by more than $16 billion in 2006 alone, operating groups met ambitious profitability targets, and Siemens AG market capitalization almost doubled. Prior to his service on the Managing Board of Siemens AG, Mr. Kleinfeld was President and Chief Executive Officer of Siemens Corporation, the U.S. arm of Siemens AG, from 2002 to 2004 after having been its Chief Operating Officer in 2001. During his tenure, the U.S. grew in both size and profitability, becoming the company's largest region.

During his 20-year Siemens career, Mr. Kleinfeld also successfully led one of Siemens global medical diagnostic businesses and developed the renowned Siemens Management Consulting organization. He was also critical to the creation of top+, the company's operating system.

In addition to serving on Alcoa's board, he is a member of the board of Bayer AG.

Mr. Kleinfeld earned a master's degree in business administration/economics from the University of Goettingen (Germany) in 1982, followed by a Ph.D. in strategic management from the University of Wuerzburg (Germany). He was born on November 6, 1957, in Bremen, Germany. In his leisure time, he enjoys skiing, tennis, the arts and is a marathon runner. Mr. Kleinfeld resides in New York with his wife and children.

Copyright © 2008 Alcoa Inc.
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