F5, INC. — Director's Dealing 2012

Nov 2, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS INC (FFIV)
CIK: 0001048695
Period of Report: 2012-11-01

Reporting Person: Rivelo Manuel Felix (EVP, Strategic Solutions)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-01	Common Stock	S	800	$82.755	Disposed	9838	Direct
2012-11-01	Common Stock	S	1447	$83.7658	Disposed	8391	Direct
2012-11-01	Common Stock	S	1400	$84.70	Disposed	6991	Direct
2012-11-01	Common Stock	S	1903	$86.0653	Disposed	5088	Direct
2012-11-01	Common Stock	S	450	$86.4744	Disposed	4638	Direct

Footnotes

F1: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $82.21 to $83.18. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

F2: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $83.23 to $84.18. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

F3: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $84.31 to $85.27. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

F4: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $85.39 to $86.37. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.

F5: This transaction was executed pursuant to a Rule 10b5-1 trading plan, in multiple trades at prices ranging from $86.40 to $86.63. The reported price is the weighted average sale price. The reporting person undertakes to provide to the Company, any security holder of the Company, or Securities and Exchange Commission staff, upon request, complete information regarding the number of shares sold at each separate price.