News Release

ASTeX Announces Three-Year Supplier Agreement With Applied Materials, Inc.

Jun 2, 1999 at 1:59 AM EDT
    Business/Technology Editors

    WOBURN, Mass.--(BUSINESS WIRE)--June 2, 1999--Applied Science and Technology, Inc. ("ASTeX") (Nasdaq: ASTX) today announced the signing of a three-year supplier agreement with Applied Materials, Inc. (Nasdaq: AMAT). The agreement covers a broad range of ASTeX semiconductor sub-systems and reflects estimates of up to $142M in business over the three-year term.

Dr. Avi Katz, ASTeX senior vice president of global customer operations, commented, "This is the largest contract signed by ASTeX to date. It is an honor to be selected by Applied Materials, Inc. as a key supplier for their products. This agreement is confirmation of the quality and performance of ASTeX's products and technology."

Dr. Richard S. Post, ASTeX president and chief executive officer, commented, "We appreciate the business represented by this contract and look forward to working closely with Applied Materials to meet the needs of their business."

ASTeX is a leading provider of precision reactive gas processing solutions and specialty power sources to the semiconductor, electronics, medical, and industrial markets. The company's broad product line is based on one or more core technologies including reactive gas processing, power sources, and system integration. ASTeX provides varying levels of integration -- components, integrated subsystems and complete process systems, including fluorine chamber cleaners, ozone generation, microwave products, and RF generators. For more information, visit the ASTeX web site at www.astex.com.

"Safe Harbor" statement under the Private Securities Litigation Reform Act of 1995:

This release contains forward-looking statements that are subject to risks and uncertainties, including, but not limited to, the impact of competitive products and pricing, product demand and market acceptance, new product development, reliance on key strategic alliances, general economic conditions, fluctuations in operating results, and other risks detailed from time to time in ASTeX's filings with the Securities and Exchange Commission.

     --30--bh/bos*

     CONTACT: Applied Science and Technology, Inc.
              John M. Tarrh, 781/937-5135

     KEYWORD: MASSACHUSETTS
     INDUSTRY KEYWORD: COMED COMPUTERS/ELECTRONICS