ENTEGRIS INC — Director's Dealing 2014

Oct 8, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2014-10-02

Reporting Person: GMT CAPITAL CORP (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-10-02	COMMON STOCK	P	47908	$11.55	Acquired	14150100	Direct

Footnotes

F1: This Form 4 is being jointly filed by Bay Resource Partners, L.P., a Delaware limited partnership (Bay), Bay II Resource Partners, L.P., a Delaware limited partnership (Bay II), Bay Resource Partners Offshore Master Fund, L.P., an exempted limited partnership organized under the laws of the Cayman Islands (Offshore Fund), GMT Exploration Company LLC, a Delaware limited liability company (GMT Exploration).The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons.

F2: GMT Capital, the general partner of Bay and Bay II, has the power to direct the affairs of Bay and Bay II, including the voting and disposition of shares. As the discretionary investment manager of the Offshore Fund and certain other accounts, GMT Capital has power to direct the voting and disposition of shares held by the Offshore Fund and such accounts.

F3: The aggregate number of shares of common stock purchased was 47,908 shares and such shares were purchased by the Reporting Persons in the following amounts: Bay = 11,400 shares; Bay II = 11,600 shares; Offshore Fund = 24,908 shares

F4: 14,150,100 shares of common stock is the aggregate number of shares of common stock owned by the Reporting Persons and is owned as follows: Bay = 2,224,800 shares directly owned by it; Bay II = 4,160,400 shares directly owned by it; Offshore Fund = 7,764,900 shares directly owned by it.