Daniel W. Christman and Michael P.C. Carns Elected to Board.

Business/Technology Editors

BEDFORD, Mass.--(BUSINESS WIRE)--Oct. 11, 2001

Mykrolis Corporation (NYSE: MYK), a leading supplier to the semiconductor industry, announced today the election of Michael P.C. Carns and Daniel W. Christman, both retired generals from the U.S. military, to the board of directors of the corporation. General Carns is a business consultant and serves on various Department of Defense panels and on boards of directors of corporations. General Christman is President and Executive Director of the Kimsey Foundation, a Washington, D.C.-based nonprofit organization dedicated to furthering academic and cultural education for economically disadvantaged youth.

General Carns began his military career in the U.S. Air Force as a fighter pilot. His military appointments included Commander of the 13th Air Force, Republic of the Philippines; Deputy Commander in Chief, U.S. Pacific Forces; Director of the Joint Staff, Joint Chiefs of Staff; and Vice Chief of Staff, U.S. Air Force. After his retirement from the Air Force in 1994, General Carns was Managing Director of a small healthcare firm for one year, followed by four years as President and Executive Director of a policy research firm specializing in international issues.

General Christman's 36-year military career included positions in the U.S. Army and federal government. He was Commander of the U.S. Army Corps of Engineers District in Savannah, Georgia and Commanding General of the Army's Engineer School in Missouri. In 1993, General Christman was named the U.S. representative to the NATO Military Committee and subsequently served two years as Assistant to the Chairman of the Joint Chiefs of Staff in the Pentagon. From 1996 until his retirement in June, 2001, he was the Superintendent of the United States Military Academy in West Point, New York.

C. William Zadel, Mykrolis Chairman and CEO, noted: "I am very pleased that Mike and Dan have agreed to be part of the Mykrolis Board. Their international expertise combined with their leadership and strategic planning skills will be extremely valuable as we complete the final stages of our separation from Millipore Corporation. I look forward to working with them."

General Carns received his bachelor's degree from the U.S. Air Force Academy and a MBA from Harvard University. He is a member of the board of directors of Mission Research Corporation, California; Engineered Support Systems, Missouri; Rockwell Collins Inc., Iowa; and Bundeshaw Associates, Washington, D.C. He is also a member of the Department of Defense Science Board, a member of the Board of Advisors of the National Security Agency and a Senior Fellow at the National Defense University in the Department of Defense.

General Christman received his bachelor's degree from the U.S. Military Academy. He also holds master's degrees in engineering and public affairs from Princeton University and a JD from George Washington University School of Law. He is a member of the Pennsylvania and District of Columbia Bars. General Christman is also a director of the United Services Automobile Association and the Foreign Policy Association as well as a member of the Council on Foreign Relations.

Mykrolis Corporation, based in Bedford, Massachusetts, is a global supplier of advanced process solutions for gas and liquids filters and delivery systems for the semiconductor, flat panel, fiber optic and optical disc industries. Mykrolis is formerly the Microelectronics Division of Millipore Corporation. For more information visit the Mykrolis web site at www.mykrolis.com.