Neale Erin Rose sold SNCY

Footnotes

On May 13, 2026, pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 11, 2026, by and among Sun Country Airlines Holdings, Inc. ("Sun Country" ), Allegiant Travel Company ("Allegiant"), Mirage Merger Sub, Inc. ("Merger Sub 1") and a direct wholly owned subsidiary of Allegiant, Sawdust Merger Sub, LLC ("Merger Sub 2"), a direct wholly owned subsidiary of Allegiant: (a) Merger Sub 1 merged with and into Sun Country (the "First Merger"), with Sun Country surviving the First Merger as a direct wholly owned subsidiary of Allegiant and (b) immediately after the First Merger, Sun Country merged with and into Merger Sub 2, with Merger Sub 2 surviving as a direct, wholly owned subsidiary of Allegiant (the "Second Merger" and, together with the First Merger, the "Mergers"). All terms capitalized but not defined herein shall have the meaning given to them in the Merger Agreement.; (Continued from footnote 1) Following consummation of the Mergers, Sun Country Airlines Holdings, Inc. is now known as Sun Country Airlines Holdings, LLC.; Reflects each outstanding stock option to purchase Company Shares previously granted to the reporting person, which, as of immediately prior to the First Effective Time, was automatically converted into stock option(s) for Parent Shares, regardless of exercise price (the "Converted Options" and each a "Converted Option"). Each Converted Option covers a number of Parent Shares equal to the product of (x) the number of Company Shares subject to the original Company Option and (y) the quotient obtained by dividing the Merger Consideration Closing Value by the Parent Measurement Price, rounded down to the nearest whole share, with a corresponding adjusted exercise price equal to the product of (A) the original exercise price per share and (B) the quotient obtained by dividing the Parent Measurement Price by the Merger Consideration Closing Value, rounded up to the nearest whole cent and otherwise remains subject to the same terms and conditions as the original grant.