Directors

John P. O'Brien Chairman of the Board	Robert E. Fishman, PhD President and CEO, Ausra Inc.
Logan W. Kruger President and Chief Executive Officer	Peter Jones Former President and Chief Operating Officer Inco Limited
John C. Fontaine Counsel in the law firm of Hughes Hubbard Reed and Retired President Knight Ridder, Inc.	Willy R. Strothotte Chairman of the Board Glencore International AG Chairman of the Board Xstrata AG
Jack E. Thompson Member of the Boards of Directors of Tidewater Inc., Stillwater Mining Co. and Phelps Dodge Corp.	Jarl Berntzen Managing Director, Mergers & Acquisitions, ThinkEquity Partners LLC
Catherine Z. Manning Former Partner PricewaterhouseCoopers