Mattson Technology (MTSN) 10-Q 2015 Q1 Quarterly report

EXHIBIT 32.1

Certification of Chief Executive Officer and Chief Financial Officer
Pursuant to 18 U.S.C. Section 1350,
As Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

I, Fusen E. Chen, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of Mattson Technology, Inc. for the fiscal quarter ended March 29, 2015, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Mattson Technology, Inc.

May 6, 2015	/s/ FUSEN E. CHEN
	Fusen E. Chen President and Chief Executive Officer

I, J. Michael Dodson, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of Mattson Technology, Inc. for the fiscal quarter ended March 29, 2015, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Mattson Technology, Inc.

May 6, 2015	/s/ J. MICHAEL DODSON
	J. Michael Dodson Chief Operating Officer, Chief Financial Officer, Executive Vice President and Secretary

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as part of the Report or as a separate disclosure document.