MTSN Mattson Technology, Inc.

Order From Korean Memory Manufacturer Extends Mattson's Position to Front-End-of Line Processes with Customer FREMONT, Calif., April 23 /PRNewswire-FirstCall/ -- Mattson Technology, Inc. (NASDAQ:MTSN), a leading supplier of advanced semiconductor process equipment used to manufacture Integrated Circuits (or ICs), today announced that it has received an order for the Company's Suprema(TM) photoresist strip system from a leading Korean memory manufacturer. The tool will be shipped to an advanced 300mm NAND Flash fab and will be used in the front-end-of-line (FEOL) manufacturing. The shipment expands Mattson's installed base of Suprema systems and is further validation of the Company's market leadership with photoresist strip products. Suprema Performance Highlights -- Mattson has shipped more than 100 Suprema systems to date. 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 is rapidly displacing competitors and winning in both established and new accounts. This success is attributable to the system's advanced technical performance and compelling Cost of Ownership (COO) gains for Mattson's customers. -- Mattson's superior operational efficiency gains have resulted in faster Time-to-Market. -- Suprema product adoption by Mattson's customers is the fastest product ramp in Mattson history, exceeding previous strong ramps of Aspen IIITM and Helios(TM) products by 200%, or a 50% reduction in the time required to get the product to market. Sr. Vice President and General Manager of Mattson Technology's Surface Cleaning Group, Neal Holmlund, said, "We have enjoyed a long relationship with this manufacturer in their back-end-of-line (BEOL) processes, and we are pleased that they chose to extend the Suprema system's position in their advanced manufacturing facility for their FEOL processes. The Suprema technology was chosen based on its productivity enhancements, particularly in the areas of throughput, reliability, low cost of ownership and overall process capability. By selecting the Suprema for FEOL processes, our customer is achieving higher throughput and better yields on critical sub-90 nanometer devices. "The confidence placed in Mattson and the Suprema for this manufacturer's critical FEOL processes is further validation of the tool's high reliability and throughput, coupled with enabling process performance, maturity and extendibility to future technology nodes." Holmlund concluded, "Suprema is continuing to gain momentum as Mattson's customers recognize the unique capabilities and benefits of the industry's most advanced tool for manufacturing at the 90 nm node and below." About Suprema(TM) The Suprema(TM) technology 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 COO to meet industry requirements 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. Mattson Technology Contact Investor & Media Contact Kerem Kapkin Laura Guerrant tel +1-(510) 492-2765 Guerrant Associates fax +1-(510) 474-1449 tel 808-882-1467 fax 808-882-1417 DATASOURCE: Mattson Technology, Inc. CONTACT: Kerem Kapkin of Mattson Technology, Inc., +1-510-492-2765, fax, +1-510-474-1449, ; or Investors & Media, Laura Guerrant of Guerrant Associates, +1-808-882-1467, fax, +1-808-882-1417, , for Mattson Technology, Inc. Web site: http://www.mattson.com/

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