Browse EX-10 agreements

Exhibit 10.6 SUBSCRIPTION AGREEMENT This SUBSCRIPTION AGREEMENT (this “Subscription Agreement”) is entered into on May 10, 2026, by and between LanzaTech Global, Inc., a Delaware corporation (the “Company”), and the undersigned subscriber (“Subscriber” and, together with Company, the “Parties”, and each a “Party”). WHEREAS, Subscriber desires to subscribe for and purchase from the Company on the Closing Date (as defined below) that number of shares of the Company’s common stock, par value $0.0000001 per share (the “Common Stock”), set forth on the signature page hereto (the “Subscribed Shares”), for an aggregate purchase price of $10,000,000 (the “Purchase Price”), and the Company desires to issue and sell to Subscriber the Subscribed Shares in consideration of the payment of the Purchase Price by or on behalf of Subscriber to the Company; WHEREAS, on the terms and subject to the conditions set forth in this Subscription Agreement, in connection with the Subscription (as defined below), the Subscriber desires to make a commitment to purchase, and the Company desires to make a commitm

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SECOND AMENDMENT

Execution Version

SECOND AMENDMENT (this “Amendment”), dated as of May 13, 2026, to the Credit Agreement dated as of September 6, 2017 (as amended, restated, amended and restated, supplemented and/or otherwise modified from time to time prior to the date hereof, the “Existing Credit Agreement”, and the Existing Credit Agreement, as amended by this Amendment, the “Amended Credit Agreement”), by and among TRINSEO LUXCO S.À R.L., a private limited liability company (société à responsabilité limitée), organized and established under the laws of the Grand Duchy of Luxembourg, having its registered office at 130, Boulevard de la Pétrusse, L-2330 Luxembourg, Grand Duchy of Luxembourg, registered with the Luxembourg Register of Commerce and Companies (Registre de commerce et des sociétés, Luxembourg) (“RCS”) under number B153577 (“Holdings”), TRINSEO HOLDING S.À R.L., a private limited liability company (société à responsabilité limitée),

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Execution Version

THIRD AMENDMENT

THIRD AMENDMENT (this “Amendment”), dated as of May 13, 2026, to the Credit Agreement dated as of January 17, 2025 (as amended, restated, amended and restated, supplemented and/or otherwise modified from time to time prior to the date hereof, the “Existing Credit Agreement”, and the Existing Credit Agreement, as amended by this Amendment, the “Amended Credit Agreement”), by and among TRINSEO LUXCO S.À R.L., a private limited liability company (société à responsabilité limitée), organized and established under the laws of the Grand Duchy of Luxembourg, having its registered office at 130, Boulevard de la Pétrusse, L-2330 Luxembourg, Grand Duchy of Luxembourg, registered with the Luxembourg Register of Commerce and Companies (R.C.S. Luxembourg) (“RCS”) under number B153577 (“Holdings”), TRINSEO HOLDING S.À R.L., a private limited liability company (société à responsabilité limitée), organized

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THIS RESTRUCTURING SUPPORT AGREEMENT IS NOT AN OFFER OR ACCEPTANCE WITH RESPECT TO ANY SECURITIES OR A SOLICITATION OF ACCEPTANCES OF A CHAPTER 11 PLAN WITHIN THE MEANING OF SECTIONS 1125 AND 1126 OF THE BANKRUPTCY CODE. ANY SUCH OFFER OR SOLICITATION WILL COMPLY WITH ALL APPLICABLE SECURITIES LAWS AND/OR PROVISIONS OF THE BANKRUPTCY CODE. NOTHING CONTAINED IN THIS RESTRUCTURING SUPPORT AGREEMENT SHALL BE AN ADMISSION OF FACT OR LIABILITY OR, UNTIL THE OCCURRENCE OF THE SUPPORT EFFECTIVE DATE (AS DEFINED BELOW) ON THE TERMS DESCRIBED IN THIS RESTRUCTURING SUPPORT AGREEMENT, DEEMED BINDING ON ANY OF THE PARTIES TO THIS RESTRUCTURING SUPPORT AGREEMENT.

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