Coveted UPSIDE Hot 100 Award recognizes innovation, leadership and performance


LEXINGTON, Mass., May 23, 2002– UPSIDE Magazine today announced that Arbor Networks™, a leading provider of network availability solutions, has been selected to receive the 2002 Hot 100 Award, UPSIDE's annual award recognizing excellence and innovation among the hottest technology industry startups.

UPSIDE will publish the Hot 100 Award winners in its June 2002 issue and will unveil the winners online at UPSIDE.com.

The 2002 UPSIDE Hot 100 were selected by a team of UPSIDE editors, venture capitalists, financial analysts, market researchers and other industry luminaries who evaluated more than 400 nominations. The UPSIDE Hot 100 Award is judged on a company's technological achievements, customer acceptance of products or services, financial performance, industry partnerships, financial backing, management savvy and marketing.

"We evaluated hundreds of great companies that spanned a broad range of technology market segments, and we are pleased to recognize Arbor Networks as one of this year's winners," said Jerry Borrell, editor-in-chief of UPSIDE Magazine. "Over the seven years of its existence, this award has consistently recognized companies that have become the hallmark of excellence in technology, achieving successful IPOs, or merging with other companies. We expect big things from this year's winners and look forward to following Arbor's success."

About Arbor Networks
Arbor Networks™ builds availability solutions for companies whose success depends on highly available and fully optimized networks. Arbor Networks Peakflow™ is a distributed, non-intrusive, scalable availability solution that detects network anomalies, such as denial of service attacks and worm propagation, and enables network operators to rapidly resolve these threats to ensure network availability and performance. Arbor Networks' patent-pending technology is based on three years of pioneering research in the availability, reliability and security of networks and distributed systems, conducted at the University of Michigan by Arbor Networks founders. Arbor is funded by Battery Ventures, a leading venture capital firm, and Cisco Systems.

Copyright (c) 2001 Arbor Networks, Inc. All rights reserved. Arbor Networks, the Arbor Networks logo, Peakflow and the Peakflow logo, and ArbOS are trademarks of Arbor Networks, Inc. in the USA and other countries. All other trademarks are the property of their respective owners.

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Contact:

Jess Hawks
Arbor Networks
781.768.3253
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