SAN JOSE, CA. - July 29, 2003 - Atrenta Inc., the Predictive Analysis Company, announced the appointment of Jonathan Spira as its new Chief Financial Officer. Mr. Spira brings to Atrenta almost 20 years of corporate finance experience in the consumer, entertainment and technology markets.

"Atrenta is growing at a rapid pace and Jonathan's expertise is essential in helping us expand our position as the premier provider of Predictive Analysis technology," said Ajoy Bose, Atrenta Chairman, President and CEO. "He is a topnotch executive who brings to us the financial know-how and corporate experience to grow the company through its pre-IPO stage and beyond."

"I'm thrilled to be part of Atrenta," said Jonathan Spira, Atrenta CFO. The company offers a very unique and innovative solution to accelerate design, an impressive customer list and a world-class team. I look forward to helping the company reach its next stage and fully realize its long-term potential as the leading provider of predictive analysis tools."

Prior to Atrenta, Mr. Spira served as CFO of ePeople and Autonomy where he led the company's highly successful 1998 IPO. Previously, Mr. Spira was director of business planning and finance for the Disney Interactive division of the Walt Disney Company. He has also been director of strategic planning and finance for California Pizza Kitchen, a senior financial analyst for Nestle Food Company, and a consultant in KPMG Peat Marwick's Merger & Acquisition group. Mr. Spira holds a Master's degree in business administration from Cornell University and a Bachelor's degree of economics from Kenyon College.

About Atrenta
Atrenta delivers predictive analysis solutions to the world's leading electronics companies, including eight of the top ten semiconductor companies. Its pioneering and award-winning SpyGlass Predictive Analysis tools accelerate the design of SoCs, ASICs, and FPGAs by detecting complex chip design problems that are not easily identified with conventional verification methods. During the past year, SpyGlass has been recognized with several distinguishing awards, including EDN magazine's Top 100 products for 2002 and "LSI Design of the Year 2002" award by Japan's Semiconductor Industry News. Atrenta was also chosen by Venture Reporter as one of the top 100 venture-backed companies for 2002 and recently named by AlwaysOn, as one of the Top 100 private companies.

Atrenta, with headquarters in San Jose, California, employs over one hundred people worldwide. It has European offices in England and France, a research and development center in India, and sales and support distributors in Central Europe, India, Israel, Japan, Korea, Singapore, Taiwan, and United Kingdom. For further information, visit the Atrenta website at www.atrenta.com, email moreinfo@atrenta.com, or call 408-453-3333.

Sherrie Gutierrez
Account Manager
MCA Public Relations
650-968-8900 x 127
sgutierrez@mcapr.com