X0508 4 2023-08-17 0 0001262039 Fortinet, Inc. FTNT 0001218470 GOLDMAN KENNETH A C/O FORTINET, INC. 899 KIFER ROAD SUNNYVALE CA 94086 1 0 0 0 0 Restricted Stock Units 0.00 2023-08-17 4 A 0 3307 0.00 A Common Stock 3307 3307 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest in substantially equal increments on each of September 30, 2023, December 31, 2023, March 31, 2024, and the earlier of (i) June 30, 2024 and (ii) the date immediately preceding the Issuer's 2024 annual meeting of stockholders, subject to the Reporting Person's provision of services to the Issuer on each vesting date. Shares of the Issuer's Common Stock will be delivered to the Reporting Person following vesting. RSUs do not expire; they either vest or are canceled prior to vesting date. /s/ Robert Turner, by power of attorney 2023-08-18