01 May 2002
Highly Rated IVS Products Helped Place Schlumberger Verification Systems among the 10 BEST Process Diagnostic Equipment Suppliers in the 2001 VLSI Research Customer Satisfaction Report

CONCORD, Massachusetts - Schlumberger Verification Systems is pleased to release today that its wafer inspection equipment ranked first in Cost of Ownership (COO) among Process Diagnostic Equipment Suppliers in the 2001 VLSI Research Inc Customer Satisfaction Report. The results are based on worldwide customer responses rating Schlumberger wafer inspection equipment tops in COO among suppliers of Process Diagnostic Equipment.

"We are very proud to receive this mark of distinction," stated Alain Bojarski, vice president and general manager of Schlumberger Verification Systems. "This first place ranking confirms our strong commitment to provide products of the highest value to our customers. It is gratifying for us to receive their high marks as confirmation of our performance and to reinforce the impressive capabilities of our wafer inspection equipment on the smallest geometries and the most challenging processes."

Verification Systems earned a coveted 10 BEST rating among Process Diagnostic Equipment providers in the VLSI Research annual survey of Customer Satisfaction in both 2000 and 2001. In 2001, customer ratings pushed the Schlumberger group to the overall number three ranking from a number four ranking for 2000. In addition to the first place finish in wafer inspection equipment for COO in 2001, Verification Systems also received particularly high ratings for quality of results and build quality, indicators of outstanding system performance and reliability.

"Companies select tools with price in mind, but its overall cost that counts," stated Risto Puhakka, vice president Operations, VLSI Research Inc. "COO is one of the key metrics that companies must consider."

VLSI Research based its survey results for 2001 on responses from over 49,000 questionnaires distributed to chip-making equipment users worldwide. Equipment users were asked to rate their suppliers on a ten-point scale among thirteen categories that exemplify a suppliers relationship with its customers. These thirteen categories include seven measures of equipment performance and six of customer service. The performance measures are cost of ownership, uptime, software, build quality, usable throughput, quality of results and product performance. The six customer service categories are process support, field engineering support, spares support, support after sales, technical leadership and overall commitment.

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About Schlumberger Semiconductor Solutions
Schlumberger Semiconductor Solutions is a leading supplier of comprehensive systems and services for testing semiconductor devices. It also offers measurement systems for front-end applications. Additional information is available at www.slb.com/semiconductors.

For further information, contact:
Mary Jo Colton
NPTest, Inc.
Tel: 408-586-6474
mcolton@nptest.com

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