FOR IMMEDIATE RELEASE

F5 to Present at Robert W. Baird & Co. Conference

SEATTLE, May 04, 2012

F5 Networks, Inc. (NASDAQ: FFIV)the global leader in Application Delivery Networking, today announced that company management will participate in the Robert W. Baird & Co. 2012 Growth Stock Conference at the Four Seasons Hotel, 120 East Delaware Place, Chicago, Ill.

F5’s presentation will begin at 10:45 a.m. CT on Tuesday, May 8. F5 representatives for the conference will include Julian Eames, EVP, Business Operations, and John Rodriguez, EVP and Chief Accounting Officer.

A direct link to live webcast will be available at www.f5.com/about/investor-relations/events-calendar.html and an archived copy will be accessible through June 8, 2012.

About F5 Networks

F5 Networks, Inc., the global leader in Application Delivery Networking (ADN), helps the world’s largest enterprises and service providers realize the full value of virtualization, cloud computing, and on-demand IT. F5^® solutions help integrate disparate technologies to provide greater control of the infrastructure, improve application delivery and data management, and give users seamless, secure, and accelerated access to applications from their corporate desktops and smart devices. An open architectural framework enables F5 customers to apply business policies at “strategic points of control” across the IT infrastructure and into the public cloud. F5 products give customers the agility they need to align IT with changing business conditions, deploy scalable solutions on demand, and manage mobile access to data and services. Enterprises, service and cloud providers, and leading online companies worldwide rely on F5 to optimize their IT investments and drive business forward. For more information, go to www.f5.com.

You can also follow @f5networks on Twitter or visit us on Facebook for more information about F5, its partners, and technology. For a complete listing of F5 community sites, please visit www.f5.com/news-press-events/web-media/community.html.

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