F5 Networks, Inc. (NASDAQ: FFIV), the global leader in Application Delivery Networking, today announced that company management will participate in the 10th Anniversary Pacific Crest Technology Leadership Forum, in Vail, Colo. F5’s presentation will begin at 1:30 p.m. MT on Monday, August 4. Company management will also participate in the RBC Capital Markets Technology, Media & Communications Conference in San Francisco, Calif., presenting at 11:30 a.m. PT on Wednesday, August 6. F5 representatives for both conferences will include John McAdam, President and Chief Executive Officer, and Andy Reinland, SVP and Chief Finance Officer. Interested viewers can go to www.f5.com/about/investor-relations/events-calendar.html to access a direct link to the webcasts for both presentations. Both webcasts will be accessible through September 6, 2008.

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. By adding intelligence and manageability into the network to offload applications and optimize the data storage layer, F5 extends the power of intelligent networking to all levels of application delivery. F5’s extensible architecture intelligently integrates application optimization, protects the applications and the network, and delivers application reliability. Over 16,000 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.

Contacts:

F5 Investor Relations
John Eldridge, 206-272-6571
j.eldridge@f5.com