Fortinet, Inc. — Director's Dealing 2018

May 8, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FORTINET INC (FTNT)
CIK: 0001262039
Period of Report: 2018-05-05

Reporting Person: Sim Judith (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-05	Common Stock	M	1250	—	Acquired	18750	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-05	Restricted Stock Units	$0	M	1250	Disposed		Common Stock (1250)	Direct

Footnotes

F1: Vesting of restricted stock units ("RSUs") granted to the Reporting Person on August 5, 2015.

F2: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F3: 1/3 of the RSUs vested on August 5, 2016, and the remainder vest on each quarterly anniversary thereafter in equal installments, subject to the continuing service of the Reporting Person on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting.