Frontier IPO Presentation Deck

Growth Franchise Provides More Opportunities Number of Domestic Connect-the-Dots Route Opportunities Without Existing ULCC Presence¹ 2019 daily industry passengers on domestic opportunity routes Selling schedule, as of March 2021 # of airports served # of routes served Average frequency per day 512 305K 110 333 0.6 258 167K Spirit 79 319 1.1 Proven ability to capture growth opportunities, in any market size and competitive environment 151 84K Allegiant 128 563 0.3 1: Opportunity includes domestic routes within the range of A320 family aircraft with over 100 passengers per day each way in FY19, excluding Federally slot controlled airports and routes within each airline's existing network; Note: Schedule data reflects systemwide (domestic & international) selling schedule for each airline as of March 15, 2021 Source: Respective companies' public filings and schedules; U.S. DOT FRONTIER 13

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