Pre-Tax Margin Outperformance

Sun Country Has Been Growing its Share at MSP 9% 6% 3% 0% (3%) (6%) (9%) (12%) 2018 Cumulative Change in MSP Point-of-Origin Passenger Share Since 2018(1)(2) 2% 0% (1%) 2019 SNCY 7% Source: Diio Mi, DOT O&D. 1. Based on rolling 4-quarter passengers per day data, 2022 is through 3Q. 2. SNCY - Sun Country, DAL - Delta. (2%) -5% 2020 DAL 6% 2% (7%) 2021 -Others 6% 3% (9%) 2022 Current Share MSP share growth has been achieved at the expense of smaller scale carriers 18% 62% 20% 12

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