Attached files

file filename
10-Q - CMC 10-Q FILED 02-08-10 - CMC Materials, Inc.cmc10qfiled020810.htm
EX-31.1 - EXHIBIT 31.1 - CMC Materials, Inc.exhibit31_1.htm
EX-10.15 - EXHIBIT 10.15 - CMC Materials, Inc.exhibit10_15.htm
EX-10.22 - EXHIBIT 10.22 - CMC Materials, Inc.exhibit10_22.htm
EX-10.57 - EXHIBIT 10.57 - CMC Materials, Inc.exhibit10_57.htm
EX-31.2 - EXHIBIT 31.2 - CMC Materials, Inc.exhibit31_2.htm
Exhibit 32.1


CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly Report of Cabot Microelectronics Corporation (the "Company") on Form 10-Q for the fiscal quarter ended December 31, 2009 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), each of the undersigned officers of the Company certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


Date: February 8, 2010
/s/ WILLIAM P. NOGLOWS
 
William P. Noglows
 
Chief Executive Officer
   
   
Date: February 8, 2010
/s/ WILLIAM S. JOHNSON
 
William S. Johnson
 
Chief Financial Officer