Advisory Board

Ulrich Hartmann
until June 10, 2003

• Chairman,
  Chairman of the Supervisory
  Board of E.ON AG, Düsseldorf

Werner Wenning

• Deputy Chairman,
  until October 30, 2003
• Chairman,
  from October 30, 2003
  Chairman of the Board
  of Managing Directors of
  Bayer AG, Leverkusen

Carl L. von Boehm-Bezing
Frankfurt am Main

Dr. jur. Walter Deuss
until June 10, 2003,
KarstadtQuelle AG, Essen

Dr. Karl-Gerhard Eick
Deputy Chairman of the Board
of Management of
Deutsche Telekom AG, Bonn

Dr. Michael Endres
until December 31, 2003,
Frankfurt am Main

Dr. Karl-Ludwig Kley
Member of the Executive Board
of Deutsche Lufthansa AG,
Cologne

Max Dietrich Kley
until May 6, 2003,
Member of the Supervisory
Board of BASF Aktiengesellschaft,
Ludwigshafen

Dr. Jürgen Krumnow
Frankfurt am Main

Georg Krupp
until June 10, 2003,
Frankfurt am Main

Dr. h.c. August Oetker
General Partner of
Dr. August Oetker KG, Bielefeld

Eckhard Pfeiffer
Houston

Dr. Bernd Pischetsrieder
Chairman of the Board of
Management of Volkswagen AG,
Wolfsburg

Dr. Wolfgang Reitzle
President and CEO of Linde AG,
Wiesbaden

Dr. rer. pol. Michael Rogowski
President, Federation of German
Industries,
Chairman of the Supervisory Board
of J.M.Voith AG, Heidenheim

Dr. rer. pol. Dipl.-Kfm. Gerhard Rüschen
until June 10, 2003,
Bad Soden am Taunus

Dr. Ronaldo H. Schmitz
Frankfurt am Main

Prof. Jürgen E. Schrempp
Chairman of the Board of
Management of
DaimlerChrysler AG, Stuttgart

Dipl.-lng. Hans Peter Stihl
until June 10, 2003
General Partner of
STIHL Holding AG & Co. KG,
Waiblingen

Marcus Wallenberg
Executive Vice President
INVESTOR AB, Stockholm

Dr. Ulrich Weiss
until June 10, 2003,
Frankfurt am Main