| Exhibit No. | Description |
| 2.1** | Unit Purchase Agreement, dated as of May 14, 2023, by and among Dune Acquisition Corporation, Global Gas Holdings LLC, Global Hydrogen Energy LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on May 15, 2023). |
| 2.2** | First Amendment to Unit Purchase Agreement, dated August 22, 2023, by and among Dune Acquisition Corporation, Global Gas Holdings LLC, Global Hydrogen Energy LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on August 23, 2023). |
| 2.3** | Second Amendment to Unit Purchase Agreement, dated November 24, 2023, by and among Dune Acquisition Corporation, Global Gas Holdings LLC, Global Hydrogen Energy LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on November 27, 2023). |
| 3.1** | Second Amended and Restated Certificate of Incorporation of the Company, dated December 21, 2023 (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 3.2** | Amended and Restated Bylaws of the Company, dated December 21, 2023 (incorporated by reference to Exhibit 3.2 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 4.1** | Warrant Agreement, dated as of December 17, 2020, by and between Dune Acquisition Corporation and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on December 22, 2020). |
| 4.2 | Description of Securities. |
| 10.1** | Support Agreement, dated as of May 14, 2023, by and among Dune Acquisition Corporation, Global Gas Holdings LLC, Global Hydrogen Energy LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 15, 2023). |
| 10.2** | Sponsor Agreement, dated as of May 14, 2023, by and among Dune Acquisition Holdings, LLC, Global Gas Holdings LLC, Dune Acquisition Corporation and Global Hydrogen Energy LLC (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on May 15, 2023). |
| 10.3** | Lock-up Agreement, dated as of May 14, 2023, by and among Dune Acquisition Corporation, Dune Acquisition Holdings LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K filed on May 15, 2023). |
| 10.4** | Forward Purchase Agreement, dated December 1, 2023, by and among Dune Acquisition Corporation, Global Hydrogen Energy LLC, Meteora Capital Partners, LP, Meteora Select Trading Opportunities Master, LP and Meteora Strategic Capital, LLC (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 4, 2023). |
| 10.5** | Subscription Agreement, dated December 1, 2023, by and among Dune Acquisition Corporation, Meteora Select Trading Opportunities Master, LP, Meteora Capital Partners, LP and Meteora Strategic Capital, LLC (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on December 4, 2023). |
| 10.6** | Nomination Agreement, dated as of December 21, 2023, by and among the Company, Dune Acquisition Holdings LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 10.6 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.7** | Registration Rights Agreement, dated as of December 21, 2023, by and among the Company, Dune Acquisition Holdings LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 10.7 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.8** | Exchange Agreement, dated as of December 21, 2023, by and among the Company, Global Gas Holdings LLC and the unitholders of Global Hydrogen Energy LLC (incorporated by reference to Exhibit 10.8 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.9** | Amended and Restated Limited Liability Company Agreement of Global Gas Holdings LLC, dated as of December 21, 2023 (incorporated by reference to Exhibit 10.9 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.10** | Promissory Note, dated June 21, 2023, by and between Dune Acquisition Corporation and Dune Acquisition Holdings LLC (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on June 23, 2023). |
| 10.11** | Amendment No. 1 to Promissory Note, dated December 21, 2023, by and between the Company and Dune Acquisition Holdings LLC (incorporated by reference to Exhibit 10.11 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.12** | Promissory Note, dated June 21, 2023, between Global Hydrogen Energy LLC and Carter Glatt (incorporated by reference to Exhibit 99.1 to the Company’s Current Report on Form 8-K filed on June 23, 2023). |
| 10.13** | Amendment No. 1 to Promissory Note, dated December 21, 2023, by and between Global Hydrogen Energy LLC and Carter Glatt (incorporated by reference to Exhibit 10.13 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.14#** | Form of Indemnification Agreement by and between the Company and its directors and officers (incorporated by reference to Exhibit 10.14 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |
| 10.15#** | Global Gas Corporation 2023 Equity Incentive Plan (incorporated by reference to Exhibit 10.15 of the Company’s Form 8-K filed with the SEC on December 28, 2023). |