Mykrolis Corporation Announces Employment Inducement Stock Option Grant

Mykrolis Corporation Announces Employment Inducement Stock Option
Grant 


BILLERICA, Mass., Nov. 24  /PRNewswire-FirstCall/ -- Mykrolis Corporation
(NYSE:MYK), a leading supplier of components and systems to the semiconductor
industry, today announced that included in the equity compensation package
granted to its newly elected Chief Executive Officer, Gideon Argov, was an
Employment Inducement Stock Option covering an aggregate of 225,000 shares
which was granted on November 21, 2004.  In accordance with New York Stock
Exchange Rule 303A(8), this stock option grant was made under a stock option
plan without stockholder approval.  Rule 303A(8) requires public announcement
of option grants made under this type of plan as well as written notice to the
Exchange.

The above stock option was granted on terms that include the following: seven
year duration, exercise price equal to the closing price of Mykrolis stock on
the New York Stock Exchange on the trading day preceding the date of grant,
vesting of 25% of the shares on the first anniversary of the grant date, with
the balance vesting quarterly thereafter in 12 equal installments.

About Mykrolis

Mykrolis Corporation, based in Billerica, Massachusetts, is a worldwide
developer, manufacturer and supplier of liquid and gas delivery systems,
components and consumables used to precisely measure, deliver, control and
purify the process liquids, gases and chemicals, as well as the deionized
water, photoresists and vacuum systems utilized in the semiconductor
manufacturing process.  In addition, the Company's products are used to
manufacture a range of other products, such as flat panel displays, high purity
chemicals, photoresists, solar cells, gas lasers, optical disks and fiber optic
cables.  For more information, visit http:/// http://www.mykrolis.com/.

  Contacts:
   Bertrand Loy, Chief Financial Officer
   Steve Cantor, Director of Investor Relations and Corporate Communications
   978-436-6500
   

DATASOURCE: Mykrolis Corporation



CONTACT:  Bertrand Loy, Chief Financial Officer, or Steve Cantor,

Director of Investor Relations and Corporate Communications, [phone],

, both of Mykrolis 



Web site:  http://www.mykrolis.com/

Copyright