F5 Networks to Present at the LCM Technology & Media Best Ideas Investor Day in San Francisco

F5 Networks, Inc. (NASDAQ: FFIV), the global leader in Application Delivery Networking, today announced that company management will participate in the LCM Technology & Media Best Ideas Investor Day at the Mandarin Oriental Hotel, 222 Sansome Street in San Francisco.

F5’s presentation will begin at 9:30 a.m. PT on Thursday, November 5, 2009. F5 representatives for the conference will include John McAdam, President and Chief Executive Officer, and Cooper Werner, VP, Finance.

A direct link to the live webcast will be available at www.f5.com/about/investor-relations/events-calendar.html and an archived copy will be accessible through December 4, 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 the management of application, server, storage, and network resources, streamlining application delivery and reducing costs. Global enterprise organizations, service and cloud providers, and Web 2.0 content providers worldwide trust F5 to keep their business moving forward. For more information, go to www.f5.com.