ENTEGRIS INC — Director's Dealing 2014

Oct 3, 2014

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2014-09-29

Reporting Person: GMT CAPITAL CORP (10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	13928363	Direct

Footnotes

F1: This Form 3 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: GMT Capital and Mr. Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Mr. Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F4: 13,928,363 shares of common stock is the aggregate number of shares of common stock owned by the Reporting Persons and is owned as follows: Bay = 2,171,600 shares directly owned by it; Bay II = 4,106,300 shares directly owned by it; Offshore Fund = 7,649,463 shares directly owned by it.