F5, INC. — Director's Dealing 2011

Feb 8, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS INC (FFIV)
CIK: 0001048695
Period of Report: 2011-02-04

Reporting Person: TRIEBES KARL D (SrVP Product Development & CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-04	Common Stock	S	2208	$120.15	Disposed	0	Direct

Footnotes

F1: Sale pursuant to the terms of a 10b5-1 trading plan.