Allegiant to acquire Sun Country for $18.89/share ($4.10 cash + 0.1557 ALGT shares)

On January 11, 2026, Sun Country Airlines Holdings, Inc., a Delaware corporation (the “ Sun Country ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Allegiant Travel Company, a Nevada corporation (“ Allegiant ”), Mirage Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Allegiant (“ Merger Sub 1 ”), and Sawdust Merger Sub, LLC, a Nevada limited liability company and a direct wholly owned subsidiary of Allegiant (“ Merger Sub 2 ”, together with Merger Sub 1, the “ Merger Subs ”), providing for the merger of Merger Sub 1 with and into Sun Country (the “ First Merger ”), with Sun Country surviving the First Merger as a direct wholly owned subsidiary of Allegiant and immediately following the First Merger, the merger of Sun Country with and into Merger Sub 2 (the “ Second Merger ” and, together with the First Merger, the “ Mergers ”), with Merger Sub 2 surviving the Second Merger as a direct, wholly owned subsidiary of Allegiant