ENTEGRIS INC — Director's Dealing 2012

Feb 17, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2012-02-15

Reporting Person: Morris Gregory Colburn (Vice President, GM, Field Ops.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-15	Common Stock	A	11003	—	Acquired	74772	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-15	Employee Stock Option (Right to Buy)	$9.27	A	28229	Acquired	2019-02-19	Common Stock (28229)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	16822	Indirect

Footnotes

F1: These shares are restricted stock units with restrictions that lapse over a four year period with respect to 25% of these shares per year, starting on February 19, 2013.

F2: This restricted stock unit award was made pursuant to an equity incentive award plan in consideration of services as an employee.

F3: The option vests in seven equal annual installments starting on February 19, 2013 and ending on February 19, 2019.

F4: These options were awarded pursuant to a stock option plan that provides for the award of options in consideration of services as an employee.