FREMONT, CA--(MARKET WIRE)--Dec 19, 2008 -- Mattson Technology, Inc. (NasdaqGS:MTSN - News), a leading supplier of advanced process equipment used to manufacture semiconductors, announced today that Andy Moring, Chief Financial Officer, will provide a company overview at the 11th Annual Needham Growth Stock Conference on Tuesday, January 6, 2009 at the New York Palace Hotel in New York. A live webcast of the presentation will take place at 10:30 a.m. Eastern Standard Time.

The presentation can be accessed through live and archived webcasts at www.mattson.com under the "Investors" section. The webcast will be archived for a period of thirty days following the conclusion of the live event.

About Mattson Technology, Inc.

Mattson Technology, Inc. is the leading supplier of dry strip equipment and the second largest supplier of rapid thermal processing equipment in the global semiconductor industry. The Company's strip and RTP equipment utilize innovative technology to deliver advanced processing performance and productivity gains to semiconductor manufacturers worldwide for the fabrication of current- and next-generation devices. For more information, please contact Mattson Technology, Inc., 47131 Bayside Parkway, Fremont, Calif. 94538. Telephone: (800) MATTSON/(510) 657-5900. Fax: (510) 492-5911. Internet: www.mattson.com.

     Mattson Technology Contact
     Andy Moring
     Mattson Technology, Inc.
     tel  510-492-6241
     fax  510-492-5963
     andy.moring@mattson.com
      
     Investor & Media Contact
     Laura Guerrant-Oiye
     Guerrant Associates
     tel  808-882-1467
     fax  808-882-1267
     lguerrant@guerrantir.com