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QED Technologies Announces New Metrology Tool for Aspheres

ROCHESTER, N.Y.--(BUSINESS WIRE)--March 13, 2007--QED Technologies (QED), the pioneer and exclusive provider of Magnetorheological Finishing (MRF(R)) and Subaperture Stitching Interferometry (SSI(R)), today announced the release of the SSI-A(TM), a metrology tool for aspheres.

Interferometric asphere metrology has traditionally required the use of a null lens or computer-generated hologram that must be specially designed for each different aspheric surface. This approach pushes the limits of practicality, given the significant expense and long lead times required to produce the null elements.

QED's newly-developed SSI-A, which is based on the same platform as the SSI, makes full-aperture interferometric measurements of aspheres with no dedicated null lenses by taking several subaperture measurements over the entire work surface and stitching the results together into a lattice to synthesize a full-aperture map. The SSI-A automatically selects an appropriate transmission sphere and then steps through an automated process to complete the measurement. The SSI-A magnifies the subaperture measurements over the full aperture of the asphere, so the subsequent stitching process and lattice design result in superior lateral resolution and overall accuracy.

"We're thrilled about the release of the SSI-A", said Marc Tricard, QED Technologies' Director of Business Development. "Our aim has always been to create enabling solutions for all levels of optics manufacturers and now with the SSI-A, we've created a flexible and accurate interferometric asphere metrology product for the first time. This one metrology tool can measure flats, spheres and aspheres. The SSI-A provides a practical solution to optics system designers to finally enable creative, cost-effective use of aspheres as design elements."

ABOUT QED TECHNOLOGIES

Since it was founded in 1996, QED Technologies, based in Rochester, NY, has built a reputation for producing high quality products based on revolutionary, patented technology, advanced computer numerical control machines and world-class software to provide shop-ready solutions for nearly any precision optics manufacturing need. QED offers state-of-the-art finishing and metrology solutions that are designed to meet the needs of advanced optics manufacturers by increasing production speed and yield while decreasing costs. QED is dedicated to providing revolutionary technical solutions that enable or significantly enhance its customers' capabilities and positively impact their bottom line. QED Technologies is a wholly-owned subsidiary of Cabot Microelectronics Corporation (NASDAQ:CCMP). For more information about QED Technologies, visit www.qedmrf.com or contact Robin Townell, Marketing Specialist, at (585) 256-6540, ext. 241.

ABOUT CABOT MICROELECTRONICS CORPORATION

Cabot Microelectronics Corporation, headquartered in Aurora, Illinois, is the world's leading supplier of CMP slurries used in semiconductor and data storage manufacturing. The company's products play a critical role in the production of the most advanced semiconductor devices, enabling the manufacture of smaller, faster and more complex devices by its customers. Since becoming an independent public company in 2000, the company has grown to approximately 750 employees who work at research and development labs, sales and business offices, manufacturing facilities and customer service centers in China, France, Germany, Japan, Singapore, South Korea, Taiwan, the United Kingdom and the United States. The company's vision is to become the world leader in shaping, enabling and enhancing the performance of surfaces, and thus looks beyond its core CMP business in the semiconductor industry. For more information about Cabot Microelectronics Corporation, visit www.cabotcmp.com or contact Amy Ford, Director of Investor Relations, at (630) 499-2600.

SAFE HARBOR STATEMENT

This news release may include statements that constitute "forward looking statements" within the meaning of federal securities regulations. These forward-looking statements include statements related to: future sales and operating results; company and industry growth and trends; growth of the markets in which the company participates; international events; product performance; the generation, protection and acquisition of intellectual property; new product introductions; development of new products, technologies and markets; the acquisition of or investment in other entities; and the construction of new or refurbishment of existing facilities by Cabot Microelectronics Corporation or its subsidiaries, including QED Technologies. These forward-looking statements involve a number of risks, uncertainties, and other factors, including those described from time to time in Cabot Microelectronics' filings with the Securities and Exchange Commission (SEC), that could cause actual results to differ materially from those described by these forward-looking statements. In particular, see "Risk Factors" in the company's annual report on Form 10-K for the fiscal year ended September 30, 2006, and in the company's quarterly report on Form 10-Q for the quarter ended December 31, 2006, both filed with the SEC. Cabot Microelectronics assumes no obligation to update this forward-looking information.

CONTACT: QED Technologies
Robin Townell, Marketing Specialist, 585-256-6540,
ext. 241
or
Cabot Microelectronics Corporation
Amy Ford, Director of Investor Relations, 630-499-2600

SOURCE: QED Technologies and Cabot Microelectronics Corporation

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