News, Press & Events

FOR IMMEDIATE RELEASE

F5 Networks to Present at 37th Annual J.P. Morgan Global Technology, Media and Telecom Conference

SEATTLE, May 15, 2009

F5 Networks, Inc. (NASDAQ: FFIV), the global leader in Application Delivery Networking, today announced that company management will participate in the 37th Annual J.P. Morgan Global Technology, Media and Telecom Conference, held at the Westin Boston Waterfront hotel in Boston, MA.

F5's presentation will begin at 10:40 a.m. ET on Tuesday, May 19. F5 representatives for the conference will include Julian Eames, SVP Business Operations, and John Rodriguez, SVP and Chief Accounting Officer.

A direct link to the live webcast will be available at www.f5.com/about/investor-relations/events-calendar.html and an archived copy of the webcast will be accessible through June 18, 2009.

About F5 Networks

F5 Networks is a global leader in Application Delivery Networking (ADN), focused on ensuring the secure, reliable, and fast delivery of applications. F5's flexible architectural framework enables community-driven innovation that helps organizations enhance IT agility and dynamically deliver services that generate true business value. F5's vision of unified application and data delivery offers customers an unprecedented level of choice in how they deploy ADN solutions. It redefines how application, server, storage, and network resources are aligned and managed to streamline application delivery and reduce costs. Global enterprise organizations, service providers, and Web 2.0 content providers worldwide trust F5 to keep their business moving forward. For more information, go to www.f5.com.

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