F5's Dean Darwin Named to ''Top 100 Channel Executives'' by CMP's VARBusiness Magazine

Business Wire, April 4, 2006

SEATTLE -- F5 Networks, Inc. (NASDAQ:FFIV), the global leader in Application Delivery Networking, today announced that F5's Dean Darwin has been recognized by the editors of CMP Media's VARBusiness as one of North America's "Top 100 Channel Executives" -- a pedigree of those whose imagination and innovation are driving the information technology (IT) distribution channel. Dean Darwin was honored in the special April 3 issue of the biweekly magazine that provides strategic insight to technology integrators.

"We celebrate the men and women who enable solution providers with programs, products and inspiration," says VARBusiness Editor Lawrence M. Walsh. "These executives are worthy of emulation by all of their peers."

"I'm pleased to be honored by the VARBusiness judges who recognize that F5 has a solid vision and unique programs that breed success for our channel partners," said Dean Darwin, VP of North American Channel Sales at F5 Networks. "F5's Partner Lifecycle program is the key force behind all of our underlying programs to help them generate more opportunities and greater revenue from F5's Application Delivery Networking solutions."

The "Top 100 Channel Executives" list is based on a survey of channel executives with respect to years of service, size of their channel programs and their partner priorities for the coming year. In addition to being published in the April 3 issue of VARBusiness magazine, the feature package and executive listing is posted to the Web at www.varbusiness.com.

About VARBusiness Magazine

For the past 19 years, VARBusiness' strategic resources have been the gateway to the Solution Provider community. VARBusiness provides strategic insight for technology integrators through industry-defining research, in-depth editorial, channel events and innovative Web services, enabling these IT professionals to make educated decisions for their businesses, partnerships and customers. VARBusiness has been the recipient of numerous industry awards for both editorial content and design. Additional information about VARBusiness products, events and services, is available at its Web site, www.varbusiness.com.

About F5 Networks

F5 Networks is the global leader in Application Delivery Networking. F5 provides solutions that make applications secure, fast and available for everyone, helping organizations get the most out of their investment. By adding intelligence and manageability into the network to offload applications, F5 optimizes applications and allows them to work faster and consume fewer resources. F5's extensible architecture intelligently integrates application optimization, protects the application and the network, and delivers application reliability -- all on one universal platform. Over 10,000 organizations and service providers worldwide trust F5 to keep their applications running. The company is headquartered in Seattle, Washington with offices worldwide. For more information, go to www.f5.com.

This press release may contain forward looking statements relating to future events or future financial performance that involve risks and uncertainties. Such statements can be identified by terminology such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts", "potential" or "continue" or the negative of such terms or comparable terms. These statements are only predictions and actual results could differ materially from those anticipated in these statements based upon a number of factors including those identified in the Company's filings with the SEC.