F5, INC. — Director's Dealing 2021

Nov 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: F5 NETWORKS, INC. (FFIV)
CIK: 0001048695
Period of Report: 2021-11-01

Reporting Person: WHITE ANA MARIA (EVP and Chief HR Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-01	Common Stock	M	3391	$0.00	Acquired	33169	Direct
2021-11-01	Common Stock	F	4998	$0.00	Disposed	28171	Direct
2021-11-01	Common Stock	S	169	$210.56	Disposed	28002	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-01	Restricted Stock Unit	$0.00	M	826	Disposed		Common Stock (826)	Direct
2021-11-01	Restricted Stock Unit	$0.00	M	559	Disposed		Common Stock (559)	Direct
2021-11-01	Restricted Stock Unit	$0.00	M	713	Disposed		Common Stock (713)	Direct
2021-11-01	Restricted Stock Unit	$0.00	M	1293	Disposed		Common Stock (1293)	Direct
2021-11-01	Restricted Stock Unit	$0.00	A	5811	Acquired		Common Stock (5811)	Direct

Footnotes

F1: Shares acquired upon vesting of the February 1, 2018, November 1, 2018, November 1, 2019 and November 2, 2020 awards of service-based Restricted Stock Units.

F2: This transaction was executed pursuant to a Rule 10b5-1 trading plan.

F3: Each Restricted Stock Unit represents a contingent right to receive one share of F5 Networks, Inc. Common Stock on the vest date.

F4: This November 2, 2020 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2021.

F5: 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.

F6: This November 1, 2018 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2019.

F7: This November 1, 2019 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2020.

F8: Twenty five percent (25%) of this February 1, 2018 award of service-based Restricted Stock Units vests on February 1, 2019, and the remaining seventy five percent (75%) vests in twelve equal quarterly increments beginning May 1, 2019

F9: Concurrent with the award of 5,811 service-based Restricted Stock Units, the Company granted the reporting person additional Restricted
Stock Units that vest based on performance targets ("Performance RSUs"). If the performance targets are achieved at 100%, the reporting person will receive 5,811 Performance RSUs over the vesting period; the actual number of Performance RSUs received may be more or less depending on whether and to the extent that performance is greater than or less than targets. The Performance RSUs vests over a three-year period in three equal annual installments. Performance RSUs are not reported in Table II; the underlying shares of Performance RSUs will be reported in Table I if and when the Compensation Committee of the Board of Directors determines that the performance targets have been achieved.

F10: This November 1, 2021 award of service-based Restricted Stock Units vests in twelve equal quarterly increments beginning February 1, 2022.