Common Contracts

AMENDMENT NO. 1, DATED MARCH 21, 2005, TO COMMON STOCK RIGHTS AGREEMENT, DATED NOVEMBER 29, 2001 BETWEEN MYKROLIS CORPORATION AND EQUISERVE TRUST COMPANY N.A. AS RIGHTS AGENT

Common Stock Rights Agreement • May 6th, 2005 • Mykrolis Corp • Laboratory analytical instruments • Massachusetts

• Contract Type
  Common Stock Rights Agreement
• Filed
  May 6th, 2005
• Company
  Mykrolis Corp
• Industry
  Laboratory analytical instruments
• Jurisdiction
  Massachusetts

This AMENDMENT NO. 1 TO THE COMMON STOCK RIGHTS AGREEMENT (this “Amendment”) is made as of March [ ], 2005, between Mykrolis Corporation, a Delaware corporation (the “Company”), and EquiServe Trust Company, N.A. (the “Rights Agent”).

AMENDMENT NO. 1 TO THE COMMON STOCK RIGHTS AGREEMENT BETWEEN MYKROLIS CORPORATION AND EQUISERVE TRUST COMPANY, N.A.

Common Stock Rights Agreement • March 21st, 2005 • Mykrolis Corp • Laboratory analytical instruments • Massachusetts

• Contract Type
  Common Stock Rights Agreement
• Filed
  March 21st, 2005
• Company
  Mykrolis Corp
• Industry
  Laboratory analytical instruments
• Jurisdiction
  Massachusetts

This AMENDMENT NO. 1 TO THE COMMON STOCK RIGHTS AGREEMENT (this “Amendment”) is made as of March 21, 2005, between Mykrolis Corporation, a Delaware corporation (the “Company”), and EquiServe Trust Company, N.A. (the “Rights Agent”).