Panther Express CDN Receives $6m in Funding From Greylock Partners

The Low-Cost Content Delivery Network Will Use the Investment to Accelerate Expansion of Infrastructure and Staff

NEW YORK, 07/25/2006 – Panther Express (www.pantherexpress.net), the high-performance content delivery network (CDN) with an innovative low cost infrastructure, today announced it has completed a $6 million round of private equity funding from Greylock Partners. Bill Helman, General Partner of Greylock Partners, will join Panther's Board of Directors.

Founded in 2005 by Kevin P. Ryan and Dwight Merriman, former CEO and CTO of DoubleClick, Panther Express ensures rapid, reliable and scalable performance without requiring long-term contracts or monthly minimums.

"Panther Express brings ten years of Internet delivery best practices to a CDN with top-tier performance and lowest-in-market costs. We allow companies who rely on the Internet to focus on growing their businesses not their infrastructure and technology costs," said Kevin P. Ryan, Co-Founder and CEO. "I am pleased to welcome Greylock on board, as we continue Panther's significant business expansion with companies and site visitors the world over."

Panther's proprietary content delivery architecture leverages the latest technological advances in both hardware and software to provide unrivaled, industry leading value in content delivery. The platform, with data centers strategically placed around the globe, is optimized to speed content delivery from the fastest and most reliable point of presence at any place and time. Panther Express is superbly positioned in a valuable and growing market. Businesses small and large are understandably eager to embrace a viable low-cost option for content delivery, said Bill Hellman, Greylock Partners. With an outstanding team and a novel cost-saving infrastructure, Panther is a compelling alternative to existing CDNs.”

About Greylock Partners: Founded in 1965, Greylock Partners is one of the world's leading venture capital firms. Over the past 40 years, Greylock has funded and helped build several hundred successful companies. The Greylock approach uniquely puts the entrepreneur first, with Greylock working as an 'invited guest' in a highly supportive yet consultative way to help entrepreneurs build market-leading companies. Companies Greylock has funded include Ascend Communications, Continental Cable, DoubleClick, Internet Security Systems, Legato, Millennium Pharmaceuticals, Openwave, Red Hat, Tellabs and Trilogy. Greylock's offices are located in the Boston area and in Silicon Valley. For more information about Greylock Partners, visit <a href="http://www.greylock.com/">www.greylock.com</a>.