Investor Presentaiton

Secure SD-WAN Billings are Growing Rapidly SD-WAN Represented ~14% of Total Billings for Q3'21 YTD W II m $ in Millions ~1% $32 11x Growth ~7% $178 2018 2019 ~11% $355 2020 ~11% $230 +71% ~14% $394 Q3'20 YTD Q3'21 YTD ■SD-WAN Billings % of Total Billings O Fortinet, Inc. All Rights Reserved. Note: Billings data is derived from invoiced amounts. 29 29

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