F5, INC. — Director's Dealing 2021

Feb 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS, INC. (FFIV)
CIK: 0001048695
Period of Report: 2021-02-01

Reporting Person: SMITH DEREK WINSLOW (SVP & GM of Shape Security)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-01	Common Stock	M	4582	$0.00	Acquired	4582	Direct
2021-02-01	Common Stock	F	1802	$196.35	Disposed	2780	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-01	Restricted Stock Unit	$0.00	M	476	Disposed		Common Stock (476)	Direct
2021-02-01	Restricted Stock Unit	$0.00	M	4106	Disposed		Common Stock (4106)	Direct

Footnotes

F1: Shares acquired upon vesting of the February 3, 2020 and November 2, 2020 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: This November 2, 2020 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2021.

F4: If the reporting person continues to serve as an officer of the Company on 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: Twenty five percent (25%) of this February 3, 2020 award of service-based Restricted Stock Units vests on February 1, 2021, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning May 1, 2021.