Mattson Technology to Present at the 13th Annual Needham Growth Conference on January 11, 2011

FREMONT, CA, Jan 07 (MARKET WIRE) --
Mattson Technology, Inc. (NASDAQ: MTSN), a leading supplier of advanced
process equipment used to manufacture semiconductors, today announced
that David L. Dutton, the company's president and chief executive
officer, and Andrew Moring, chief financial officer, are scheduled to
present to the investment community at the 13th Annual Needham Growth
Conference.

The 13th Annual Needham Growth Conference will take place at the New York
Palace Hotel in New York January 11-13, 2011. Mattson Technology is
scheduled to present on Tuesday, January 11 at 9:20 a.m. EST.

The investor presentation slides, as well as a live and subsequently
archived webcast of the presentation, will be made available on the
investor page of Mattson Technology's website, http://www.mattson.com.

Management Available for Additional Meetings with Investment Community on
Wednesday, January 12
In addition, the management of Mattson Technology
will be available for meetings in New York City on Wednesday, January 12.
Investors interested in meeting with management on January 12, please
contact Mattson Technology's Investor Relations, Laura Guerrant-Oiye at
(808) 882-1467 or via email at lguerrant@guerrantir.com.

"Safe-Harbor" Statement:

Certain statements made during the conference
may concern matters that are not historical facts and are forward-looking
statements made pursuant to Safe-Harbor provisions of the Private
Securities Litigation Reform Act of 1995, and include, but are not
limited to: anticipated bookings, revenue and margins for future periods,
growth plans and anticipated results. Forward-looking statements address
matters that are subject to a number of risks and uncertainties that can
cause actual results to differ materially, including, but not limited to:
semiconductor end-user demand; customer demand for semiconductor
manufacturing equipment; the timing of significant customer orders for
Mattson's products; customer acceptance of delivered products and
Mattson's ability to (1) collect amounts due upon shipment and upon
acceptance; (2) timely manufacture, deliver and support ordered products;
(3) bring new products to market and to gain market share with such
products; customer rate of adoption of new technologies; risks inherent
in the development of complex technology; the timing and competitiveness
of new product releases by the Company's competitors; the Company's
ability to align its cost structure with market conditions; and other
risks and uncertainties described in the Company's Forms 10 K, 10-Q and
other filings with the Securities and Exchange Commission.

About Mattson Technology, Inc.

Mattson Technology, Inc. designs,
manufactures and markets semiconductor wafer processing equipment used in
the fabrication of integrated circuits. We are a leading supplier of
plasma and rapid thermal processing equipment to the global semiconductor
industry, and operate in three primary product sectors: Dry Strip, Rapid
Thermal Processing and Etch. Through manufacturing and design innovation,
we have produced technologically advanced systems that provide productive
and cost-effective solutions for customers fabricating current- and
next-generation semiconductor devices. For more information, please
contact Mattson Technology, Inc., 47131 Bayside Parkway, Fremont, CA,
94538. Telephone: (800) MATTSON/(510) 657-5900. Internet:
http://www.mattson.com.

Investor & Media Contact
Laura Guerrant-Oiye
Guerrant Associates
tel 808-882-1467
lguerrant@guerrantir.com

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