of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Entry into a Material Definitive Agreement. In connection with the initial public offering (the “ Offering ” or the “ IPO ”) by Liftoff Mobile, Inc. (the “ Company ”) of its common stock, par value $0.0001 per share (the “ Common Stock ”), described in the prospectus (the “ Prospectus ”), dated June 3, 2026, filed with the Securities and Exchange Commission pursuant to Rule 424(b) of the Securities Act of 1933, as amended (the “ Securities Act ”), which is deemed to be part of the Registratio…

Other Events. On June 3, 2026, the Company completed the Offering of 21,850,000 shares of Common Stock (including shares issued pursuant to the exercise in full of the underwriters’ option to purchase additional shares) for cash consideration of $23.00 per share (net of underwriting discounts). As contemplated in the Prospectus, the Company is using the proceeds (net of underwriting discounts) from the issuance of 21,850,000 shares ($472.4 million) in the Offering to repay outstanding indebte…

Material Modification to Rights of Security Holders. The information set forth under

The filing discloses the adoption of a new equity incentive plan, which is a compensatory arrangement rather than a change in management personnel.