About F5

Investor Relations Events Calendar

April 2008
April 23, 2008	Quarter 2, 2008 Financial Release	DATE: Wednesday, April 23, 2008 TIME: 1:30pm Pacific (4:30pm Eastern) REPLAY INFORMATION Replay Via Internet: http://phx.corporate-ir.net/playerlink.zhtml?c=70919&s=wm&e=1694301 Available until July 23, 2008 Contact: F5 Networks, Inc., Seattle John Eldridge, 206-272-6571 (Investor Relations) j.eldridge@f5.com
May 2008
May 6-8, 2008	Merrill Lynch Technology Conference 2008	DATE: May 6, 2008 TIME: 11:15am Eastern LOCATION: The Westin Hotel Times Square, NY, NY WEBCAST LINK: http://www.veracast.com/webcasts/ml/tech08/05103107.cfm
May 19-21, 2008	JPMorgan 36^th Annual Technology Conference	DATE: TBA TIME: TBA LOCATION: The Westin Boston Waterfront, 425 Summer Street Boston, Massachusetts 02210 WEBCAST LINK: TBA
May 28-29, 2008	Lehman's Worldwide Wireless and Wireline Conference	DATE: May 28, 2008 TIME: 10:45 a.m. (Eastern) LOCATION: Hilton Hotel, 1335 Avenue of the Americas, New York City WEBCAST LINK: TBA
June 2008
June 3-4, 2008	Oppenheimer Communications & Technology Conference	DATE: June 3, 2008 TIME: 2:30 p.m. (Eastern) LOCATION: Four Seasons Hotel, Boylston St, Boston, MA WEBCAST LINK: TBA
July 2008
July 23, 2008	Quarter 3, 2008 Financial Release	Unless otherwise indicated, the company will issue a press release announcing results at 1:00p.m. Pacific Time, followed by a conference call with management at 1:30p.m.
August 2008
August 3-5, 2008	Pacific Crest Technology Forum	DATE: TBD TIME: TBA LOCATION: Vail, CO WEBCAST LINK: TBA
October 2008
October 22, 2008	Quarter 4, 2008 Financial Release	Unless otherwise indicated, the company will issue a press release announcing results at 1:00p.m. Pacific Time, followed by a conference call with management at 1:30p.m.