Mattson Technology, Inc. Receives Next-Generation Development Tool Order for Suprema(TM) Photoresist System From Leading NAND Flash Supplier

FREMONT, Calif., Nov. 10 /PRNewswire-FirstCall/ -- Mattson Technology, Inc. (Nasdaq: MTSN), a leading supplier of advanced process equipment used to manufacture semiconductors, today announced that it has received a next- generation development tool order for the Company's Suprema(TM) photoresist strip system. Mattson Technology noted that the customer represents one of the leading edge technology development sites for NAND flash memory and the system will be used to address the highly complex challenges inherent in 2X- nanometer (nm) device architectures.

Sr. Vice President and General Manager of Mattson Technology's Surface Cleaning Group, Neal Holmlund, said, "We are pleased to have been selected by our long-standing customer to support their development of advanced equipment node technology. The selection of the Mattson Suprema tool for 2X-nm device development follows on the successful progress of 3X-nm device development with this customer."

Holmlund added, "In choosing the Suprema system, the customer cited the extremely high reliability and throughput of the product, coupled with enabling process performance, maturity and extendibility to future technology nodes. The order is indicative of their confidence in the system's technical capabilities. Holmlund concluded, "We believe that the Suprema can be a strong contributor to the success of our customer in their development of advanced node design rules. This selection for the Suprema is evidence that our long-range strategy of enabling superior 'on-wafer' performance successfully delivers the right product for the future of our customers."

"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, including, but not limited to: anticipated bookings, revenue, margins, earnings per share, market share, tax rate and fully diluted shares outstanding for future periods. 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. Results for the current quarter are preliminary and subject to adjustment. The Company assumes no obligation to update the information provided in this news release.

About Mattson Technology, Inc.

Mattson Technology, Inc. designs, manufactures, and markets semiconductor wafer processing equipment used in the fabrication of integrated circuits. The Company is a leading supplier of dry strip and rapid thermal processing equipment to the global semiconductor industry. Its 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. Mattson is expanding into the etch market with innovative products targeting high volume dielectric etch applications, and is also expanding into the millisecond annealing and thermal oxidation markets. The Company expects that entry into these new markets will enhance its technical leadership and deliver revenue and profitability gains. Mattson was founded in 1988 and is headquartered in Fremont, California. 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.

     Mattson Technology Contact        Investor & Media Contact
     Jay Chun                          Laura Guerrant-Oiye
     Mattson Technology, Inc.          Guerrant Associates
     tel  (510) 492-6190               tel  808-882-1467
     fax  (510) 474-1449               fax  808-882-1267
     Jay.Chun@mattson.com              lguerrant@guerrantir.com

SOURCE Mattson Technology, Inc.