X0202 4 2008-05-07 0001101302 ENTEGRIS INC ENTG 0001198621 BRADLEY MICHAEL A 8 BARNSTABLE ROAD WEST NEWTON MA 02465 1 0 0 0 Common Stock 2008-05-07 4 A 0 10550 0 A 35412 D Common Stock 2008-05-07 4 A 0 3000 0 A 38412 D These shares were awarded, effective May 7, 2008, as restricted stock units pursuant to the Entegris, Inc. 1999 Long Term Incentive and Stock Option Plan which provides for the award of restricted stock units to officers and directors of the Issuer in consideration for services as such. These shares were awarded on May 7, 2008, effective October 15, 2008, as restricted stock pursuant to the Entegris, Inc. Outside Directors' Option Plan which provides for the award of restricted stock to outside directors of the Issuer in consideration for services as such. /s/ Peter W. Walcott attorney-in-fact for Michael A. Bradley 2008-05-09