On May 13, 2022, Spirit Airlines, Inc. was sued for violations of the federal securities laws in the United States District Court for the Southern District of New York on behalf of investors who were Spirit common shareholders of record as of the close of business on May 6, 2022 (“Class Period”), the record date (“Record Date”) for Spirit common shareholders eligible to vote on the merger of Spirit and Frontier. Plaintiff’s claims arise in connection with the solicitation of Spirit’s public shareholders (“Spirit Shareholders”) to vote in favor of a merger (“Merger”) pursuant to which Spirit will survive as a wholly-owned subsidiary of Frontier Group Holdings, Inc. (“Frontier”), in exchange for payment by Frontier to Spirit Shareholders of (i) $2.13 per share in cash (“Cash Portion”), and (ii) 1.9126 shares of Frontier common stock (“Share Portion,” and together with the “Cash Portion,” the “Merger Consideration”).