Item 4 — Purpose of Transaction
Item 4 is hereby amended and supplemented as follows: "In connection with the 2025 Settlement Agreement, the Issuer issued to GDI Air, among other things, an unsecured promissory note in a principal amount of $39.0 million (the "Note"). With respect to the Note, the Issuer had the option, at any time prior to May 30, 2026, to prepay all, but not less than all, of the then-outstanding principal amount of the Note and accrued and unpaid interest thereon in exchange for the issuance of a warrant ("Warrant No. 2") to purchase 13,000,000 shares of common stock (the "Prepayment Option"). On September 17, 2025, the independent and disinterested members of the Board of Directors of the Issuer approved the exercise of the Prepayment Option, and the Issuer issued Warrant No. 2 to GDI Air. Upon issuance of Warrant No. 2, all remaining obligations under the Note were deemed satisfied with the same force and effect as a prepayment of all principal and accrued and unpaid interest under the Note. Warrant No. 2 has a five-year term and an exercise price of $1.00 per share. Pursuant to the terms of Warrant No. 2, it is exercisable at the holder's discretion, in whole or in part, on or after September 17, 2026, subject to accelerated vesting in certain circumstances. As a result, as of July 19, 2026, GDI is considered to beneficially own the shares of common stock underlying Warrant No. 2. Except with respect to the exercise price and the vesting date, the terms of Warrant No. 1 and Warrant No. 2 are substantially similar."