F5, INC. — Director's Dealing 2010

Aug 10, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS INC (FFIV)
CIK: 0001048695
Period of Report: 2010-08-06

Reporting Person: HIGGINSON ALAN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-06	Common Stock	M	500	$14.05	Acquired	25836	Direct
2010-08-06	Common Stock	S	500	$89.00	Disposed	25336	Direct
2010-08-09	Common Stock	M	19500	$14.05	Acquired	44836	Direct
2010-08-09	Common Stock	S	19500	$90.0184	Disposed	25336	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-06	Non-Qualified Stock Option (right to buy)	$14.05	M	500	Disposed	2014-04-29	Common Stock (500)	Direct
2010-08-09	Non-Qualified Stock Option (right to buy)	$14.05	M	19500	Disposed	2014-04-29	Common Stock (19500)	Direct