13G Filing: Shapiro Capital Management LLC and Entegris Inc (ENTG)

Cusip No. 29362U104 13G Page 4 of 7 Pages

Schedule 13G Additional Information

Item #
1. (a) Name of Issuer: ENTEGRIS INC.

(b) Address of Issuer’s Principal Executive Offices:
129 Concord Road
Billerica, MA 01821
Gregory B. Graves, Chief Financial Officer

2. (a) Name of Person Filing:
SAMUEL R. SHAPIRO, SHAPIRO CAPITAL MANAGEMENT LLC

(b) Address of Principal Business Office for Each of the Above:
3060 PEACHTREE ROAD, SUITE 1555 N.W., ATLANTA, GEORGIA 30305

(c) Citizenship:
SAMUEL R. SHAPIRO — U.S. CITIZEN
SHAPIRO CAPITAL MANAGEMENT LLC — Delaware Limited Liability Company

(d) Title of Class of Securities:
COMMON STOCK, $0.01 PAR VALUE

(e) CUSIP Number:
29362U104

3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b). The
person filing is a:
IA

Cusip No. 29362U104 13G Page 5 of 7 Pages

4. Ownership:
(a) Amount Beneficially Owned: 6,893,623

(b) Percent of Class: 4.86%

(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote 6,185,248
(ii) shared power to vote or to direct the vote 708,375
(iii) sole power to dispose or to direct the disposition of 6,893,623
(iv) shared power to dispose or to direct the disposition of 0

5. Ownership of Five Percent or Less of a Class:
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following. /X/

6. Ownership of More than Five Percent on Behalf of Another Person:
N/A

7. Identification and Classification of the Subsidiary which Acquired the
Security Being Reported on by the Parent Holding Company
N/A

8. Identification and Classification of Members of the Group:
N/A

9. Notice of Dissolution of Group:
N/A

10. Certification:

By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the effect
of changing or influencing the control of the issuer of such securities and
were not acquired in connection with or as a participant in any transaction
having such purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.

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Date:

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Signature

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Name/Title