Global Gas Corp Watch

from S-1 1 page The Undersigned Shareholder of Global Gas Corporation (The “Company”), for Good and Valuable Consideration the Receipt of Which Is Hereby Acknowledged, Hereby Agrees to Forfeit and Transfer to the Company for Cancellation in Exchange for No Consideration, and Agrees That the Company Shall Immediately Terminate and Cancel, an Aggregate of 80,000 Shares of Class B (Which Are Exercisable to Class A) Common Stock of the Company (The “Forfeited Securities”). the Undersigned Shall Take Such Actions as Are Necessary to Cause the Forfeited Securities to Be Terminated and Cancelled, Including by Directing the Company’s Transfer Agent (Or Such Other Intermediaries as Appropriate) to Take Any and All Such Actions Incident Thereto, After Which the Forfeited Securities Shall No Longer Be Issued or Outstanding. Please Indicate Your Agreement to the Foregoing by Signing in the Space Provided Below. Very Truly Yours, /S/ Barbara Guay Martinez Accepted and Agreed To: Global Gas Corporation By: /S/ Michael A. Castaldy Name: Michael a Castaldy Title: Director

from S-1 1 page The Undersigned Shareholder of Global Gas Corporation (The “Company”), for Good and Valuable Consideration the Receipt of Which Is Hereby Acknowledged, Hereby Agrees to Forfeit and Transfer to the Company for Cancellation in Exchange for No Consideration, and Agrees That the Company Shall Immediately Terminate and Cancel, an Aggregate of 80,000 Shares of Class B (Which Are Exercisable to Class A) Common Stock of the Company (The “Forfeited Securities”). the Undersigned Shall Take Such Actions as Are Necessary to Cause the Forfeited Securities to Be Terminated and Cancelled, Including by Directing the Company’s Transfer Agent (Or Such Other Intermediaries as Appropriate) to Take Any and All Such Actions Incident Thereto, After Which the Forfeited Securities Shall No Longer Be Issued or Outstanding. Please Indicate Your Agreement to the Foregoing by Signing in the Space Provided Below. Very Truly Yours, /S/ Sergio Martinez Accepted and Agreed To: Global Gas Corporation By: /S/ Michael A. Castaldy Name: Michael a Castaldy Title: Director

from S-1 1 page The Undersigned Shareholder of Global Gas Corporation (The “Company”), for Good and Valuable Consideration the Receipt of Which Is Hereby Acknowledged, Hereby Agrees to Forfeit and Transfer to the Company for Cancellation in Exchange for No Consideration, and Agrees That the Company Shall Immediately Terminate and Cancel, an Aggregate of 1,440,000 Shares of Class B (Which Are Exercisable to Class A) Common Stock of the Company (The “Forfeited Securities”). the Undersigned Shall Take Such Actions as Are Necessary to Cause the Forfeited Securities to Be Terminated and Cancelled, Including by Directing the Company’s Transfer Agent (Or Such Other Intermediaries as Appropriate) to Take Any and All Such Actions Incident Thereto, After Which the Forfeited Securities Shall No Longer Be Issued or Outstanding. Please Indicate Your Agreement to the Foregoing by Signing in the Space Provided Below. Very Truly Yours, /S/ William Bennett Nance, Jr. Accepted and Agreed To: Global Gas Corporation By: /S/ Michael A. Castaldy Name: Michael a Castaldy Title: Director

from 8-K 1 page The Undersigned Shareholder of Global Gas Corporation (The “Company”), for Good and Valuable Consideration the Receipt of Which Is Hereby Acknowledged, Hereby Agrees to Forfeit and Transfer to the Company for Cancellation in Exchange for No Consideration, and Agrees That the Company Shall Immediately Terminate and Cancel, an Aggregate of Shares of Class B (Which Are Exercisable to Class A) Common Stock of the Company (The “Forfeited Securities”). the Undersigned Shall Take Such Actions as Are Necessary to Cause the Forfeited Securities to Be Terminated and Cancelled, Including by Directing the Company’s Transfer Agent (Or Such Other Intermediaries as Appropriate) to Take Any and All Such Actions Incident Thereto, After Which the Forfeited Securities Shall No Longer Be Issued or Outstanding. Please Indicate Your Agreement to the Foregoing by Signing in the Space Provided Below. Very Truly Yours, Accepted and Agreed To: Global Gas Corporation By: Name: Title

from 8-K 3 pages Amendment No. 1 to Employment Agreement

from 8-K 3 pages Forward Purchase Agreement Confirmation Amendment

from 8-K 24 pages Employment Agreement

from 8-K 21 pages Global Gas Corporation 2023 Long Term Incentive Plan

from 8-K 16 pages Global Gas Corporation Indemnification Agreement

from 8-K 1 page Amendment No. 1 to Promissory Note

from 8-K 1 page Amendment No. 1 to Promissory Note

from 8-K 54 pages Amended and Restated Limited Liability Company Agreement of Global Gas Holdings LLC Dated as of December 21, 2023

from 8-K 23 pages Exchange Agreement

from 8-K 25 pages Registration Rights Agreement

from 8-K 13 pages Nomination Agreement

from DEFA14A 27 pages Subscription Agreement

from 8-K 27 pages Subscription Agreement

from DEFA14A 26 pages Date: December 1, 2023 To: Dune Acquisition Corporation, a Delaware Corporation (“DUNE”) and Global Hydrogen Energy LLC, a Delaware Limited Liability Company (“Target”). Address: 700 S. Rosemary Avenue, Suite 204, West Palm Beach, Fl 33401 From: (I) Meteora Capital Partners, LP (“McP”), (II) Meteora Select Trading Opportunities Master, LP (“Msto”) and (III) Meteora Strategic Capital, LLC (“Msc”) (With McP, Msto and Msc Collectively as “Seller”) Re: Otc Equity Prepaid Forward Transaction

from 8-K 26 pages Date: December 1, 2023 To: Dune Acquisition Corporation, a Delaware Corporation (“DUNE”) and Global Hydrogen Energy LLC, a Delaware Limited Liability Company (“Target”). Address: 700 S. Rosemary Avenue, Suite 204, West Palm Beach, Fl 33401 From: (I) Meteora Capital Partners, LP (“McP”), (II) Meteora Select Trading Opportunities Master, LP (“Msto”) and (III) Meteora Strategic Capital, LLC (“Msc”) (With McP, Msto and Msc Collectively as “Seller”) Re: Otc Equity Prepaid Forward Transaction

from 8-K 7 pages Exchange Agreement