F5, INC. — Director's Dealing 2018

Aug 2, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS INC (FFIV)
CIK: 0001048695
Period of Report: 2018-08-01

Reporting Person: WHALEN CHAD MICHAEL (EVP, Worldwide Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-01	Common Stock	M	296	$0.00	Acquired	296	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-08-01	Restricted Stock Unit	$0.00	M	213	Disposed		Common Stock (213)	Direct
2018-08-01	Restricted Stock Unit	$0.00	M	83	Disposed		Common Stock (83)	Direct
2018-08-01	Restricted Stock Unit	$0.00	A	3517	Acquired		Common Stock (3517)	Direct

Footnotes

F1: Shares acquired upon vesting of the February 1, 2017 and November 1,2017 awards of service-based Restricted Stock Units.

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

F3: The service-based Restricted Stock Units (RSUs) outstanding under this 02/01/2017 grant vest as follows: 213 vest 08/01/2018, 212 vest
11/1/2018, 213 vest 2/1/2019, 212 vest 05/01/2019, 213 vest 08/01/2019, 213 vest 11/01/2019, 212 vest 02/01/2020, 213 vest 05/01/2020, 212
vest 08/01/2020, 213 vest 11/01/2020 and 213 vest 02/01/2021.

F4: If the reporting person continues to provide services to the Company through the vest date, the corresponding number of shares of Common Stock of F5 Networks, Inc. will be issued to the reporting person on the vest date.

F5: The service-based Restricted Stock Units (RSUs) outstanding under this 11/01/2017 grant vest as follows: 83 vest 08/01/2018, 83 vest
11/1/2018, 83 vest 2/1/2019, 83 vest 05/01/2019, 83 vest 08/01/2019, 83 vest 11/01/2019.

F6: Restricted Stock Units will vest twenty five percent (25%) a year in consecutive equal annual installments over the following 4 year period with 25% vesting on August 1, 2019, August 1, 2020, August 1, 2021 and August 1, 2022.