Mattson Technology Receives Multiple Orders for Suprema(TM) Strip System From New Customer

FREMONT, Calif. (Map) - FREMONT, Calif., March 25 /PRNewswire-FirstCall/ -- Mattson Technology, Inc. (Nasdaq: MTSN), a leading supplier of advanced semiconductor process equipment used to manufacture Integrated Circuits (or "IC's"), today announced that the Company has received multiple orders for its Suprema(TM) photoresist strip system from a leading 300 mm manufacturing facility in Singapore.

Mattson noted that the Suprema continues to displace competitors, and is winning in both established and new accounts. This success is attributable to the system's advanced technical performance and compelling Cost of Ownership gains for Mattson's customers. The Suprema has been installed and is operational at 8 of the top 10 global semiconductor companies, and is being used for high volume production as well as sub-45nm process development.

"We are extremely pleased with the multiple orders for the Suprema system," noted Neal Holmlund, senior vice president and general manager of Mattson Technology's Surface Cleaning Group. "These orders continue our technology leadership with photoresist strip products, and further position Mattson to outperform the industry. It is a validation of the Company's superior technology and competitive advantages, which we believe will drive market share gains for Mattson. We look forward to supporting our customer's growth strategy to meet their customers' anticipated demand for leading-edge computing, consumer, networking and mobile products in 2008 and beyond."

About Suprema(TM)

The Suprema(TM) product was first introduced by Mattson Technology on January 30, 2006. The system combines Mattson's proprietary inductively coupled plasma (ICP) technology with an innovative handling architecture. The ICP technology has been successfully adopted by 17 of the 20 top semiconductor manufacturers in volume production and advanced product development. The Suprema has been designed to provide the greatest productivity per square meter of fab space with the lowest Cost of Ownership to meet industry's requirement for higher efficiency with productivity as well as the best defect performance for bulk strip applications, maximum process performance for high- dose implant strip (HDIS) and descum processes to meet manufacturers' high device yield targets. The Suprema has been installed and is operational at 8 of the top 10 global semiconductor companies, and is being used for high volume production as well as sub-45nm process development. Suprema enjoys Process Tool of Record (PTOR) status at device makers in all major worldwide geographies, and in all device maker segments (memory, logic, and foundry).

About Mattson Technology, Inc.

Mattson Technology, Inc. is a 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: http://www.mattson.com.

"Safe Harbor" Statement Under the Private Securities Litigation Reform Act of 1995:

This news release contains forward-looking statements regarding the Company's future prospects. Forward-looking statements address matters that are subject to a number of risks and uncertainties that can cause actual results to differ materially. Such risks and uncertainties include, but are not limited to: end-user demand for semiconductors; customer demand for semiconductor manufacturing equipment; the timing of significant customer orders for the Company's products; customer acceptance of delivered products and the Company's ability to collect amounts due upon shipment and upon acceptance; the Company's ability to timely manufacture, deliver and support ordered products; the Company's ability to 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. The Company assumes no obligation to update the information provided in this news release.