Investor Presentaiton

Fortinet - The Most Deployed Network Security Solution Over One-Third of All Firewall Shipments 40% m II W Unit Share IDC 35% 30% 25% 20% 15% 10% 5% 38% FORTINET. Cisco 14% Check Point 7% 4% Palo Alto Networks 0% 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 H1 O Fortinet, Inc. All Rights Reserved. Source: IDC Worldwide Security Appliance Tracker, October 2021 (based on annual unit shipments of Firewall, UTM, and VPN appliances). 12

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