Item 2.02. Results of Operations and Financial Condition.

On April 25, 2012, Mattson Technology, Inc. (the "Company") issued a press release regarding the Company's results for the first quarter ended April 1, 2012. The full text of the Company's press release is attached hereto as Exhibit 99.1.

The information in this current report on Form 8-K and the exhibits attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits.

Exhibit Description
99.1 April 25, 2012 Press Release by Mattson Technology, Inc.

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