Mattson Technology Announces Availability of 2012 Fourth Quarter and Year End Financial Results and Webcast

Mattson Technology Announces Availability of 2012 Fourth Quarter and Year End 
Financial Results and Webcast 
FREMONT, CA -- (Marketwire) -- 01/31/13 --  Mattson Technology, Inc.
(NASDAQ: MTSN), a leading supplier of advanced process equipment used
to manufacture semiconductors, announced that the company will host a
conference call on Wednesday, February 27, 2013 at 5:00 p.m. Eastern
Time (2:00 p.m. Pacific Time). The conference call will cover 2012
fourth quarter and year-end financial results and current business
conditions. 
To access the live web cast, please visit Mattson's website
www.mattson.com under the 'Investors' section. 
To access the live conference call, please dial (970) 315-0417.  
"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.  
Mattson Technology Contact
J. Michael Dodson
Mattson Technology, Inc.
tel 1-510-657-5900
fax 1-510-492-5963