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8-K - 8-K - MATTSON TECHNOLOGY INCmtsnapril1520148k.htm

April 15, 2014
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Commissioners:
We have read the statements made by Mattson Technology, Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Mattson Technology, Inc. dated April 9, 2014. We agree with the statements concerning our Firm in such Form 8-K.


Very truly yours,



/s/ PricewaterhouseCoopers LLP


PricewaterhouseCoopers LLP, 488 Almaden Boulevard, Suite 1800, San Jose, CA 95110
T: (408) 817 3700, F: (408) 817 5050, www.pwc.com/us