Expand Networks Names Pedro Colaco Vice President, Marketing.

Business/Technology Editors

ROSELAND, N.J.--(BUSINESS WIRE)--May 14, 2001

Former Unisphere and Siemens Executive Brings Product Management and

Market Development Experience to Expand Networks' Continued Growth

Expand Networks, a leader in enterprise network optimization technology, today announced that Pedro Colaco, a senior marketing professional with international experience in networking, telecommunications and e-business services, has joined the company as vice president of marketing.

"Pedro brings new ideas, fresh insight and outstanding experience to Expand Networks," said Talmon Marco, president and co-founder, Expand Networks. "His world class knowledge of telecommunications and network infrastructure will help Expand Networks continue its rapid international growth."

Colaco has a proven record of success increasing revenue streams and ensuring profitability in technology companies. Colaco's career has covered all aspects of product management and marketing including developing and managing product lines and identifying and executing partnerships and strategic acquisitions. Before joining Expand Networks, he was director of product management for Unisphere Networks, Inc. where he was responsible for the Voice Products Group including product management and business development for the company's soft-switch, media gateways, and enhanced voice service product offering. Prior to joining Unisphere, Colaco was responsible for product management for Siemens Information & Communication Networks, Inc. where he held increasingly senior roles at offices in Germany, Portugal and the United States. In his last role at Siemens, Colaco oversaw the strategic direction of the Siemens' VoIP product line. Colaco speaks often at major industry events and is frequently quoted in technology publications.

"It was any easy decision to join Expand Networks. It is a vibrant company with a revolutionary solution to the growing problem of network performance. This patented technology offers new hope to companies around the world with constrained networks," said Pedro Colaco. "While other companies are scaling back operations as a result of the chilly economic climate, Expand Networks continues to rapidly grow and develop innovative new products for the networks of today and tomorrow."

Expand Networks has pioneered the development of Enterprise Caching Technology that brings network speed, capacity and throughput increases averaging 100 to 400 percent, and often more. This results in a return on investment (ROI) of only a few months. This network performance boost is vital for the growing number of enterprises that rely on bandwidth intensive applications like CRM, ERP, Thin Client and Voice Over IP. Leading organizations around the world including Motorola, Texas Instruments and United States Department of Defense, have turned to Expand Networks' products to maximize the performance of existing network resources without undertaking expensive upgrades. Last year, the company received $25 million in investment from some of the top names in the technology business including America Online, Comcast Interactive Capital and Weiss Peck & Greer.

About Expand Networks

Expand Networks develops patented Enterprise Caching Technology that dramatically improves enterprise-wide network performance. Expand Networks' suite of products brings caching to the entire enterprise resulting in network speed, throughput and capacity increases averaging 100 to 400 percent, and often more. This performance boost supports the deployment of bandwidth-intensive applications such as ERP, CRM, Thin Client and Web Applications (visit www.tolly.com for unbiased third party testing by the Tolly Group). Expand Networks' easy-to-install, scalable solution enables enterprises to optimize the performance of existing network infrastructure and avoid costly upgrades. Leading organizations around the world including Motorola, Texas Instruments and the United States Department of Defense are using the Expand Networks solution. Expand Networks is headquartered in Roseland, New Jersey and Tel Aviv, Israel with offices throughout the United States and in the United Kingdom, France and Italy and with a global network of Value Added Resellers. To learn more, visit www.expand.com or call [phone].

-- 2 patents approved, 4 patents pending approval