F5 extends the value proposition of its award-winning ARX® product line to a broader range of organizations, driving down CapEx and OpEx costs.

1. F5 Delivers New PlatformsSignificant Enhancements to ARX product family

3. F5 products optimize the security, performance & availability of network applications, servers and storage systems

4. Founded 1996 / Public 1999

5. Approx. 2,255 employees

6. FY09 Revenue: $653M

7. FY10 Revenue: $882MCompany Snapshot Revenue

8. New hardware platforms ARX1500 ARX2500 Press release date: July 11, 2011 Product Announcement F5’s New ARX Platforms Help Small and Mid-sized Organizations F5’s New ARX Platforms Help Organizations Reap the Benefits of File Virtualization

10. Mobility: seamless cross platform, cross vendor data movement

12. Decouples access from physical location

14. Data migration

15. Storage tiering

16. Capacity balancing

17. Tasks performed without affecting access to files or requiring client re-configurationNAS and File Servers

18. Introducing the ARX1500 and ARX2500 Enabling small to medium enterprises and reseller partners Dramatic improvement in scale and performance available at lower price points Low initial entry point, software upgradable New 10GbE support in the mid-range

20. Up to 2x virtualization scale and 5x user count*

21. Redundant power supplies

22. Similar price point*For ARX1500 Enhanced

24. 2x throughput w/10GbE

25. Smaller form factor

27. With the new ARX2500 platform, F5 has provided an outstanding way for Methodist Health System to manage our rapid data growth for years to come with a highly scalable and cost-effective data management platform. Wayne Keatts Manager, Enterprise Security and Architecture 10

28. F5 enhances ARX product line with ARX1500 and ARX2500 Extends data management benefits to a broader range of enterprises Dramatic increase in scale and performance for small- to medium-sized enterprises 10GbE network connectivity for the mid-range Available July 11, 2011 Announcement Summary

29. For More Information: Alane Moran, F5 (press and analyst inquiries) a.moran@f5.com Holly Hagerman, Connect PR hollyh@connectmarketing.com