Mattson Technology Announces Availability of First Quarter 2009 Financial Results and Web Cast

• Press Release
• Source: Mattson Technology, Inc.
• On 9:30 am EDT, Thursday April 9, 2009

FREMONT, CA--(MARKET WIRE)--Apr 9, 2009 -- Mattson Technology, Inc. (NasdaqGS:MTSN - News), a leading supplier of advanced process equipment used to manufacture semiconductors, announced that the company will host a conference call on Wednesday, April 29, 2009 at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time). The conference call will cover 2009 first quarter financial results and current business conditions.

Related Quotes

Symbol	Price	Change
MTSN	2.07	0.00

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Mattson will also web cast a slide presentation in conjunction with the conference call. To access the live web cast and slide presentation, please visit Mattson's website www.mattson.com under the 'Investors' section.

To access the live conference call, dial (719) 325-4779.

A digital replay of the conference call will be available on Mattson's website for one week following the live broadcast.

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
     tel  +1-(510) 492-6241
     fax  +1-(510) 492-5963
     andy.moring@mattson.com
      
     Investor & Media Contact
     Laura Guerrant-Oiye
     Guerrant Associates
     tel  808-882-1467
     lguerrant@guerrantir.com