FREMONT, CA--(Marketwire - Apr 13, 2012) - 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, April 25, 2012 at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time). The conference call will cover 2012 first quarter financial results and current business conditions.

The Company will also webcast a slide presentation in conjunction with the conference call. To access the live webcast and slide presentation, please visit Mattson Technology's website [ www.mattson.com ] under the 'Investors' section.

To access the live conference call, dial (970) 315-0417.

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

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: [ www.mattson.com ].