Item 4 — Purpose of Transaction
Item 4 of Schedule 13D is supplemented as follows: On January 21, 2026, pursuant to the Second Amended and Restated Certificate of Designation of Series A Convertible Senior Preferred Stock (the "Second A&R CoD"), 20,000,000 shares of the Issuer's Preferred Stock were converted into an aggregate of 3,250,322 shares of Common Stock. Pursuant to the Purchase Agreement entered into on May 7, 2025 between the Issuer and LanzaTech Global SPV, LLC, an entity controlled by an existing investor (the "Preferred Stockholder") on January 21, 2026, the Issuer issued to the Preferred Stockholder a warrant to purchase 7,800,000 shares of Common Stock at an exercise price equal to $0.0000001 per share (subject to adjustments in certain events) (the "Warrant").