Audit Committee

The Audit Committee assists the Board of Directors in achieving its mission of control in the broadest sense, including financial reporting, internal controls and risk management, internal audit process and assistance in the external audit process.

Willy Duron, Chairman of the Audit Committee
John Buttrick, Member of the Audit Committee
Horst Heidsieck, Member of the Audit Committee
Roland Junck, Member of the Audit Committee

Willy Duron

Willy Duron (°1945, Belgian) has a master of mathematics from Ghent University (Belgium) and a master of actuarial science from the Catholic University of Louvain (Belgium). He started his career in 1970 as an actuary for ABB Insurance (Assurantie van de Belgische Boerenbond). After the merger of Kredietbank, CERA Bank and ABB Insurance, he became chairman of the Executive Committee of KBC Insurance and director of KBC Asset Management in 2000. He was appointed president of the Executive Committee of KBC Bank and Insurance Holding Company in 2003 and he was CEO of KBC Group NV from 2005 until he retired at the end of 2006. Willy Duron became a member of the Board of Directors in 2008.

John Buttrick

(°1957, American) graduated from the Northwestern University and has a legal degree from Villanova University School of Law. In 1985 he began his career with the New York law firm Davis Polk & Wardwell, where he became a partner in 1994. From 1988 to 1990 he has worked at the office in Paris. In 2000, John Buttrick became a partner in LiveWire Ventures, an investment group based in New York that is financed by Blackstone Group and Thomas Lee. Today he is the Managing Director at Plastic Energy Americas LLC. John Buttrick became a member of the Board of Directors in 2003.

Horst Heidsieck

Horst Heidsieck (°1947 - German) holds a PhD in physics. During his studies at the University of Bonn (Germany) and the Technical University of Aachen (Germany), he focused on solid state physics, solid state electronics as well as metal science. From 1980 to 1991, he held various managerial positions - including a position in the Executive Board - within the Degussa Group. In 1990, he became CEO of the Leybold technology group and from 1995 to 1998 he successfully integrated the former competitors Leybold and Balzers into the newly established Balzers und Leybold Group. In the following years, Horst Heidsieck was a member of the Advisory Board and later CEO of Heraeus Holding, a highly diversified technology group. From 2003 to the end of 2006, he was CEO of Demag Holding, a portfolio of 7 companies which had been acquired from Siemens by Kohlberg Kravis Roberts in 2002. As from January 2007, he is a managing shareholder of the newly founded consulting company Value Consult, acting as a member of advisory boards, helping senior management to materialize improvement potentials in their companies. Horst Heidsieck became a member of the Board of Directors in 2008.

Roland Junck

Roland Junck (°1955 - Luxembourger) graduated from the Federal Polytechnic Institute in Zurich (Switzerland) and earned an MBA from Sacred Heart University of Luxembourg. He started his career with Arbed. At TrefilARBED Bissen he was named General Manager in 1993 and Managing Director in 1996. After having held various other managerial positions at Arbed, he became Senior Vice President of Acelaria (Spain) in 1998. He was a member of the Arbed Group Management Board from 1999 to 2002, when he was appointed Senior Executive Vice President of the newly created Arcelor after the merger of Aceralia, Arbed and Usinor. In August 2006, he became CEO of Arcelor Mittal and a member of the Group's Management Board. Following the reorganization of the company's senior management structure in November 2006, he became an advisor to the CEO while he remained a member of the Board until July 2007. Roland Junck became a member of the Board of Directors in 2008.