F5, INC. — Director's Dealing 2012

Mar 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS INC (FFIV)
CIK: 0001048695
Period of Report: 2012-03-14

Reporting Person: Chadwick Jonathan (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-14	Common Stock	M	2442	$0.00	Acquired	2442	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-03-14	Restricted Stock Units	$0.00	M	2442	Disposed		Common Stock (2442)	Direct
2012-03-15	Restricted Stock Units	$0.00	A	1512	Acquired		Common Stock (1512)	Direct

Footnotes

F1: Shares received upon vesting of the November 1, 2011 grant of Restricted Stock Units.

F2: Each Restricted Stock Unit represents a contingent right to receive one share of Common Stock of F5 Networks, Inc. on the vest date.

F3: One share of Common Stock of F5 Networks, Inc. was delivered to the reporting person for each Restricted Stock Unit that vested on March 14, 2012.

F4: Restricted Stock Units will fully vest on the first business day prior to the date of the annual shareholder meeting for fiscal 2012 (to be held in 2013) if the reporting person continues to serve as a director on the vest date, and the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.