Atlas Capital Resources (A9) LP → Vulcan Infrastructure and Power Inc. GREEL

Item 4 of Original Schedule 13D is hereby amended and supplemented with the following: As previously disclosed, on July 19, 2026, Atlas GREE Investment Holdco LLC, a Delaware limited liability company and an affiliate of the Reporting Persons ("Holdco"), entered into a subscription agreement (the "Subscription Agreement") with the Issuer pursuant to which Holdco agreed to purchase 2,923,976 shares (the "Shares") of Class A Common Stock, at a price per share of $1.71, for an aggregate purchase price of $5,000,000 in a private placement (the "Private Placement"). On September 3, 2026, Holdco assigned its rights to acquire the Shares in the Private Placement to Atlas Capital Resources (A9) LP ("ACR9"), Atlas Capital Resources (A9-Parallel) LP ("ACR Parallel") and Atlas Capital Resources (P) LP ("ACR P", together with ACR9 and ACR Parallel, the "Atlas Purchasers"). On September 10, 2026, the Reporting Persons delivered notice pursuant to the Issuer's Second Amended and Restated Certificate of Incorporation, dated September 6, 2022, to voluntarily convert their Class B Common Stock, par value $0.0001 per share (the "Class B Common Stock"). As a result, on September 10, 2026, 2,680,031 shares of Class B Common Stock previously reported by the Reporting Persons converted into 2,680,031 shares of Class A Common Stock. On September 10, 2026 (the "Closing Date"), the transactions contemplated by the Subscription Agreement were consummated and ACR9 acquired 2,095,299 shares of Class A Common Stock, ACR Parallel acquired 752,030 shares of Class A Common Stock and ACR P acquired 76,647 shares of Class A Common Stock. On the Closing Date, the Atlas Purchasers entered into the investor rights agreement (the "Investor Rights Agreement") with the Issuer, pursuant to which the Atlas Purchasers nominated the following current directors to continue on the Board of Directors of the Issuer: Andrew M. Bursky, Timothy J. Fazio, David Filippelli, and Jerome Lay. The foregoing description of the Investor Rights Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Investor Rights Agreement, a copy of which is filed as Exhibit 99.5 to this Amendment No. 6 and is incorporated by reference.