Amendment to Schedule 13D Filing for Controladora Vuela Compania de Aviacion, S.A.B. de C.V.

This filing is an Amendment No. 1 to Schedule 13D, relating to the Series A Common Stock of Controladora Vuela Compania de Aviacion, S.A.B. de C.V. The amendment supplements the original filing from February 16, 2021. Key developments include a business combination agreement entered into on December 18, 2025, where PrivateCo will merge with the Issuer. In connection with this, the Reporting Persons entered into a voting and support agreement with PrivateCo and the Issuer. This agreement obligates the Reporting Persons to vote their shares in favor of the business combination and related transactions, and restricts their ability to transfer shares or take other actions that could impede the merger. The agreement terminates upon the completion of the merger, termination of the business combination agreement, or under specific conditions related to detrimental changes or adverse shifts in the Reporting Persons' position. William A. Franke, a principal at Indigo Partners LLC, may be deemed to beneficially own approximately 18.2% of the outstanding Series A Common Stock, amounting to 212,575,660 shares, held through various entities and trusts.