#1LanzaTech Transforming Carbon. Making Products. Where does your carbon come from? Ⓒ2022 LanzaTech, Inc. All rights reserved.#2Disclaimer The Presentation (Together with Oral Statements Made in Connection Herewith) This presentation (together with oral statements made in connection herewith, this "Presentation") is for informational purposes only. This Presentation shall not constitute an offer to sell, or the solicitation of an offer to buy, any securities, nor shall there be any sale of securities in any states or jurisdictions in which such offer, solicitation or sale would be unlawful. This Presentation has been prepared to assist interested parties in making their own evaluation with respect to a potential business combination between LanzaTech NZ, Inc. ("LanzaTech", or the "Company") and AMCI Acquisition Corporation II ("AMCI"), and the related transactions including a potential investment in AMCI (the "Proposed Business Combination" or "Transaction"), and for no other purpose. The proposed terms of the Transaction reflected in the Presentation are indicative, non-binding, and proposed by AMCI. Any and all terms remain subject to further discussion, negotiation, and change. Neither the SEC nor any securities commission of any other U.S. or non-U.S. jurisdiction has approved or disapproved of the securities or of the Proposed Business Combination contemplated hereby or determined that this Presentation is truthful or complete. Any representation to the contrary is a criminal offense. AMCI will make any offer to sell securities only pursuant to a definitive subscription agreement, and AMCI reserves the right to withdraw or amend for any reason any offering and to reject any subscription agreement in whole or In part for any reason. This Presentation and information contained herein constitutes confidential information and is provided to you on the condition that you agree that you will hold it in strict confidence and not reproduce, disclose, forward or distribute it in whole or in part without the prior written consent of AMCI and the Company and is intended for the recipient hereof only. By accepting this Presentation, you acknowledge and agree that all of the information contained herein or disclosed orally in connection with this Presentation is confidential, that you will not distribute, disclose and use such information tr any purpose other than for the purpose of your firm's participation in the potential financing, that you will not distribute, disclose or use such information in any way detrimental to LanzaTech or AMCI, and that you will return to LanzaTech and AMCI, delete or destroy this Presentation upon request. No representations or warranties, express or implied are given in, or in respect of, this Presentation. To the fullest extent permitted by law in no circumstances will AMCI, LanzaTech or any of their respective subsidiaries, security holders, affiliates, representatives, partners, directors, officers employees, advisers, or agents be responsible or liable for any direct, indirect, or consequential loss or loss of profit arising from the use of this Presentation, its contents, its omissions, reliance on the information contained within it, or on opinions communicated in relation thereto or otherwise arising in connection therewith. Although all information and opinions expressed in this Presentation, including industry and market data obtained from third-party industry publications and sources as well as from research reports prepared for other purposes, were obtained from sources believed to be reliable and are included in good faith, neither AMCI nor LanzaTech has independently verified the information obtained from these sources and cannot assure you of the information's accuracy or completeness. This information is subject to change. Some data are also based on the good faith estimates of LanzaTech and AMCI, which are derived from their respective views of internal sources as well as the independent sources described above. LanzaTech's forward-looking statements related to product performance, product cost and product sales related projections are based upon but not limited to discussions and/or agreements with customers, suppliers, partners and academic research organizations as well as the Company's first commercial scale system built and operating in China. In addition, this Presentation, does not purport to be all-inclusive or to contain all of the information that may be required to make a full analysis of LanzaTech or the Proposed Business Combination. Viewers of this Presentation should each make their own evaluation of LanzaTech and of the relevance and adequacy of the information and should make such other investigations as they deem necessary. Nothing herein should be construed as legal, financial tax or other advice. You should consult your own advisers concerning any legal, financial, tax or other considerations concerning the opportunity described herein. The general explanations included in this Presentation cannot address, and are not intended to address, your specific investment objectives, financial situations or financial needs. Nothing contained herein shall be deemed a recommendation to any party to enter into any transaction or take any course of action. In connection with the Proposed Business Combination, AMCI has filed with the Securities and Exchange Commission ("SEC") a registration statement on Form S-4 (the "Registration Statement") containing a preliminary proxy statement and a preliminary prospectus of, AMCI and, after the registration statement is declared effective, AMCI will mail a definitive proxy statement/prospectus relating to the Proposed Business Combination to its stockholders. Shareholders and other interested persons are urged to read the preliminary proxy statement/prospectus and the amendments thereto and the definitive proxy statement/prospectus and any other relevant documents filed with the SEC when they become available because they will contain important information about AMCI, LanzaTech and the Proposed Business Combination. When available, the definitive proxy statement/prospectus and other relevant materials for the Proposed Business Combination will be mailed to stockholders of AMCI as of a record date to be established for voting on the Proposed Business Combination. Shareholders will also be able to obtain free copies of the preliminary proxy statement/prospectus, the definitive proxy statement/prospectus and other documents filed with the SEC, once available, without charge, at the SEC's website located at www.sec.gov, or by directing a request to AMCI Acquisition Corporation II, 600 Steamboat Road, Greenwich, CT 06830. AMCI, LanzaTech and their directors and executive officers and other persons may be deemed to be participants in the solicitations of proxies from AMCI's shareholders in respect of the Proposed Business Combination and the other matters set forth in the registration. statement. Information regarding AMCI's directors and executive officers is available under the heading "Management" in AMCI's final prospectus used in its initial public offering, which was filed with the SEC and is available free of charge at the SECS website at www.sec.gov, or by directing a request to AMCI Acquisition Corporation II, 600 Steamboat Road, Greenwich, CT 06830. Additional information regarding the participants in the proxy solicitation and a description of their direct and indirect interests by security holdings or otherwise, is contained in the proxy statement/prospectus relating to the Proposed Business Combination. Forward Looking Statements Certain statements included in this Presentation that are not historical facts are forward-looking statements for purposes of the safe harbor provisions under the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements generally are accompanied by words such as "believe", "may", "will", "estimate", "continue", "anticipate", "intend", "expect", "should", "would", "plan", "predict", "potential", "seem", "seek", "future", "outlook" and similar expressions that predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements include, but are not limited to, statements regarding estimates and forecasts of other financial and performance metrics and projections of market opportunity, expectations and timing related to the rollout of LanzaTech's business and timing of deployments, customer growth and other business milestones, potential benefits of the Proposed Business Combination and PIPE investment (the "Proposed Transactions"), and expectations relating to the Proposed Transactions. These statements are based on various assumptions, whether or not identified in this Presentation, and on the current expectations of Lanza Tech's and AMCI's management and are not predictions of actual performance. These forward-looking statements are provided for illustrative purposes only and are not intended to serve as and must not be relied on by an investor as a guarantee, an assurance, a prediction, or a definitive statement of fact or probability. Actual events and circumstances are difficult or impossible to predict and may differ from assumptions. Many actual events and circumstances are beyond the control of LanzaTech and AMCI. These forward-looking statements are subject to a number of risks and uncertainties, including changes in domestic and foreign business, market, financial, political, and legal conditions; the inability of the parties to successfully or timely enter into definitive agreements with respect to the Proposed Transactions or consummate the Proposed Transactions, including the risk that any regulatory approvals are not obtained, are delayed or are subject to unanticipated conditions that could adversely affect the combined company or the expected benefits of the Proposed Transactions or that the approval of the stockholders of AMCI or Lanza Tech is not obtained; failure to realize the anticipated benefits of the Proposed Transactions; matters discovered by AMCI or Lanza Tech as they complete their respective due diligence investigations of each other; risks relating to the uncertainty of the projected financial information with respect to Lanza Tech; risks related to the rollout of LanzaTech's business and the timing of expected business milestones; ability to negotiate definitive contractual arrangements with potential customers; the impact of competitive technologies; ability to obtain sufficient supply of materials; the impact of Covid-19; global economic conditions; ability to meet installation schedules; the effects of competition on LanzaTech's future business; the amount of redemption requests made by AMCI's public stockholders; and those factors discussed in documents AMCI has filed or will file with the SEC, together with the risks described in this Presentation under the heading "Risk Factors." Additional risks related to LanzaTech's business include, but are not limited to: the Company has not yet deployed its technology at scale in commercial deployments; the long bidding and sales cycle in the industry; the success of the project incorporating the Company's systems, governmental regulation; environmental regulation; most of the Company's sales pipeline is not in the form of definitive agreements; the Company's ability to negotiate and enter into definitive agreements on favorable terms, if at all; construction delays; potential defects in the Company's systems; whether in the design, manufacturing or assembly or otherwise; the impact of competing technologies; intellectual property-related claims; ability to expand operations internationally: ability to attract and retain qualified personnel; ability to continue to source materials and components locally; ability of the Company's systems to provide favorable economic benefits to customers as compared to competing technologies; and the continued demand for renewable energy. LanzaTech 2#3Disclaimer The Presentation (Together with Oral Statements Made in Connection Herewith) If any of these risks materialize or AMCI's or LanzaTech's assumptions prove incorrect, actual results could differ materially from the results implied by these forward-looking statements. There may be additional risks that neither AMCI nor LanzaTech presently know or that AMCI and LanzaTech currently believe are immaterial that could also cause actual results to differ from those contained in the forward-looking statements. In addition, forward-looking statements reflect AMCI's and LanzaTech's expectations, plans, or forecasts of future events and views as of the date of this Presentation. AMCI and Lanza Tech anticipate that subsequent events and developments will cause AMCI's and LanzaTech's assessments to change. However, while AMCI and LanzaTech may elect to update these forward-looking statements at some point in the future, AMCI and LanzaTech specifically disclaim any obligation to do so. These forward-looking statements should not be relied upon as representing AMCI's and LanzaTech's assessments as of any date subsequent to the date of this Presentation. Accordingly, undue reliance should not be placed upon the forward-looking statements. Neither LanzaTech, AMCI, nor any of their respective affiliates have any obligation to update this Presentation. Use of Projections This Presentation contains projected financial information with respect to LanzaTech. Such projected financial information constitutes forward-looking information, and is for illustrative purposes only and should not be relied upon as necessarily being indicative of future results. The assumptions and estimates underlying such financial forecast information are inherently uncertain and are subject to a wide variety of significant business, economic, competitive, and other risks and uncertainties that could cause actual results to differ materially from those contained in the projected financial information. Actual results may differ materially from the results contemplated by the projected financial information contained in this Presentation, and the inclusion of such information in this Presentation should not be regarded as a representation by any person that the results reflected in such forecasts will be achieved. Neither AMCI's nor the Company's independent auditors have audited, reviewed, compiled or performed any procedures with respect to the projections for the purpose of their inclusion in this Presentation, and accordingly, neither of them expressed an opinion or provided any other form of assurance with respect thereto for the purpose of this Presentation. Financial Information; Non-GAAP Financial Measures The financial information and data contained in this Presentation is unaudited and does not conform to Regulation S-X or Regulation G. Accordingly, such information and data may not be included in, may be adjusted in, or may be presented differently in, any proxy statement/prospectus or registration statement or other report or document to be filed or furnished by AMCI with the SEC. Some of the financial information and data contained in this Presentation, such as EBITDA, adjusted EBITDA, adjusted EBITDA - invested capital, EBITDA margin, EBITDA / Capex, EV / EBITDA and EV/ Adjusted EBITDA, has not been prepared in accordance with United States generally accepted accounting principles ("GAAP"). AMCI and LanzaTech believe these non-GAAP measures of financial results provide useful information to management and investors regarding certain financial and business trends relating to LanzaTech's financial condition and results of operations. LanzaTech's management uses these non-GAAP measures for trend analyses, for purposes of determining management incentive compensation and for budgeting and planning purposes. AMCI and LanzaTech believe that the use of these non-GAAP financial measures provides an additional tool for investors to use in evaluating projected operating results and trends in and in comparing LanzaTech's financial measures with other similar companies, many of which present similar non-GAAP financial measures to investors. Management does not consider these non-GAAP measures in isolation or as an alternative to financial measures determined in accordance with GAAP. The principal limitation of these non-GAAP financial measures is that they exclude significant expenses and income that are required by GAAP to be recorded in LanzaTech's financial statements. In addition, they are subject to inherent limitations as they reflect the exercise of judgments by management about which items of expense and income are excluded or included in determining these non-GAAP financial measures. In order to compensate for these limitations, management presents non-GAAP financial measures in connection with GAAP results. You should review LanzaTech's summary unaudited financial information and LanzaTech's audited financial statements, which are included in the registration statement and proxy statement filed with the SEC. A reconciliation of projected non-GAAP financial measures has not been provided as such reconciliation is not available without unreasonable efforts. Trademarks This Presentation contains trademarks, service marks, trade names, and copyrights of AMCI, LanzaTech, and other companies, which are the property of their respective owners. The use or display of third parties trademarks, service marks, trade name or products in this Presentation is not intended to, and does not imply, a relationship with AMCI or LanzaTech, or an endorsement or sponsorship by or of AMCI or LanzaTech. Solely for convenience, the trademarks, service marks and trade names referred to in this Presentation may appear with the TM or SM symbols, but such references are not intended to indicate, in any way, that LanzaTech or AMCI will not assert, to the fullest extent permitted under applicable law, their rights or the right of the applicable licensor to these trademarks, service marks and trade names. Preliminary Financial Information LanzaTech reports its financial results in accordance with U.S. generally accepted accounting principles. All projected financial information and metrics in this presentation are preliminary. These estimates are not a comprehensive statement of LanzaTech's financial position and results of operations. There is no assurance that LanzaTech will achieve its forecasted results within the relevant period or otherwise. Actual results may differ materially from these estimates as a result of actual year-end results, the completion of normal year-end accounting procedures and adjustments, including the execution of LanzaTech's internal control over financial reporting, the completion of the preparation and management's review of LanzaTech's financial statements for the relevant period and the subsequent occurrence or identification of events prior to the issuance of its financial results for the relevant period. Participants in the Solicitation AMCI and LanzaTech and their respective directors and executive officers may be considered participants in the solicitation of proxies with respect to the Proposed Business Combination. Information about the directors and executive officers of AMCI is set forth in the registration statement filed with the SEC (and will be included in the definitive proxy statement/prospectus). Information regarding the persons who may, under the rules of the SEC, be deemed participants in the solicitation of AMCI stockholders in connection with the Proposed Business Combination is set forth in the registration statement (and will be included in the definitive proxy statement/prospectus). Stockholders, potential investors and other interested persons should read the proxy statement/prospectus carefully before making any voting or investment decisions. These documents can be obtained free of charge from the sources indicated above. Non-Solicitation This Presentation shall not constitute a proxy statement or solicitation of a proxy, consent or authorization with respect to any securities or in respect of the Proposed Business Combination and shall not constitute an offer to sell or a solicitation of an offer to buy any securities, nor shall there be any sale of securities, in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of the Securities Act of 1933, as amended. LanzaTech 3#4AMCI has Identified LanzaTech as a Market Leader in the CarbonTech Ecosystem Key Company Highlights Established Carbon Tech company transforming carbon emissions to sustainable materials and sustainable aviation fuel ("SAF") ■ Disruptive synthetic biology (synbio) platform integrated with proven engineering and commercial- scale operations Profitable, scalable decarbonization solution for industrial sectors today 3 commercial plants operating ■ 6 additional plants under construction Capital-light, recurring revenue licensing model Rapidly growing demand for CarbonSmart™ chemicals from leading consumer brands and SAF from global airlines Founding shareholder of LanzaJet, a leading SAF company spun out in 2020 and backed by British Airways, Mitsui, Shell, and Suncor Blue-chip commercial partners and investors Exceptional management team with proven execution capability LanzaTech Pro Forma Capital Structure¹ ■ LanzaTech shareholders to roll over 100% of their equity ■AMCI II (NASDAQ:AMCIU) has ~$150mm of cash in trust ■ PIPE of ~$125mm as of March 7, 2022, sourced from existing investors, commercial partners, and new investors ■ SAFE Investment of $50mm as of October 3, 2022 from Brookfield Transaction Value ■ Pre-money enterprise value of ~$1.7bn ■ Attractive valuation versus synthetic biology, sustainable materials / fuels, and decarbonization peers ■ World's first public carbon capture and transformation company ("CCT") AMCI Acquisition Corp. II Presenters LanzaTech Nimesh Patel CEO & Director Brian Beem President & Director Dr. Jennifer Holmgren CEO & Director Geoff Trukenbrod Chief Financial Officer Source: Lanza Tech management ¹Business Combination Agreement requires minimum net proceeds of $250mm to close. 4#5LanzaTech Captures Carbon and Transforms it into Sustainable Products 111¹ 5#6From waste BLAT BURRES#7Coral LIM CEN RECLAME ME The first cosmetic plastic bottle made from industrial carbon emissions. OG ... to products#8Being CarbonSmart™ Monomers Polymers Materials Fuels ~2 tons of CO₂ removed per ton of CarbonSmart™ product made¹ Fragrances Solvents Chemicals Protein ¹ LanzaTech management; 2 Per Grand View Research (2019), Allied Market Research (2018), The Business Research Company (2019), Technavio (2019), Fortune Business Insights (2019) and Knowledge Sourcing Intelligence (2020). LanzaTech In a CarbonSmartTM world, carbon waste is transformed to nearly everything we use in our daily lives LanzaTech generates profitable ROIS for partners, accelerating adoption of CarbonSmart™ Products with CarbonSmart™ Er Ⓡ $1T Addressable Market²C Marke m Potential for >1 billion tons/year of product from waste feedstocks 8#9LanzaTech's Unique Transformation Process INI ELECTROLYSIS & DIRECT AIR CAPTURE INDUSTRIAL OFF-GAS AGRICULTURAL & MUNICIPAL WASTE GASIFICATION THE LANZATECH PROCESS FERMENTATION COMPRESSION CLEAN UP 1 STORAGE SEPARATION FUELS PROTEIN Y MATERIALS#101 Market Opportunity min $#11Proven Technology at the Nexus of Two Mandated Markets Industrial MITSUI & CO. 12 Gigatons of carbon emissions emitted¹ इंडियन ऑयल IndianOil I BASF LanzaTech GHG Mandated need to reduce emissions S SHOUGANG SUNCOR ENERGY LanzaTech ArcelorMittal L'ORÉAL Unilever $1 Trillion Addressable Annual Market² COTY Givaudan Consumer Mandated markets and consumer demand lululemon ZARBeiersdorf mibelle GROUP OC DANONE ONE PLANET. ONE HEALTH virgin atlantic ΑΝΑΓ ¹ Climate Watch, The World Resources Institute, Global Change Data Lab; data as of 2016. ² Per Grand View Research (2019), Allied Market Research (2018), The Business Research Company (2019), Technavio (2019), Fortune Business Insights (2019) and Knowledge Sourcing Intelligence (2020). 11#12Sustainable Aviation Fuels Market Opportunity "SAFS are the only viable near-term option to decrease emissions in the aviation sector, as they are compatible with current aircraft engines and fueling infrastructure and can power flights with no distance limits" (McKinsey & Company)¹ Mandated Global Jet Fuel Demand (billion gallons per year) 2020 70 2 120 2025 ■ Expected SAF Mandate² 14 140 LanzaTech 2030 150 H. 61 24 2035 Expected Additional SAF Demand ³ 160 2040 ■Jet Fuel Demand4 In order to reach expected 2030 SAF demand, global SAF capacity must achieve an 87% CAGR Coalition Notable Companies Represented SAF Target Companies Committed SAF Market Demand Drivers BOARD NOW coalition for sustainable flying Microsoft pwc BCG 10% by 2030 BRITISH AIRWAYS BOSTON CONSULTING DELTA jetBlue SABA SUSTAINABLE AVIATION BUYERS ALLIANCE Select SAF Corporate Commitments BOEING PHL 30% by 2030 FedEx. Eco Skies Alliance SIEMENS 30% by 2035 ups ¹ McKinsey & Company, Critical insights on the path to a net-zero aviation sector. 2 2020 and 2025 numbers from the International Air Transport Association. 2030, 2035 and 2040 numbers are assumed as 10%, 20% and 30% of global jet fuel demand, respectively. 3 World Economic Forum, Clean Skies for Tomorrow 2030 Ambition Statement 4 World Economic Forum, Clean Skies for Tomorrow Insight Report 12#13Lanza Tech Provides a Profitable Pathway to Solving Heavy Industries' Carbon Problem Addressing industrial carbon emissions while preserving trillions of dollars of existing infrastructure ~25% global greenhouse gas emissions are from heavy industries¹ Among CCT solutions, LanzaTech is ready now and cost effective LanzaTech LanzaTech Purchase Offsets Pay Penalties Sequester Future Technologies Profitable to CO₂ Emitter X X X ? Ability to Use Existing Infrastructure ✓ ✓ ✓ ✓ ✓ ✓ ✓ ? Carbon Captured / Avoided der X X ✓✓✓ ✓✓✓. Commercially Available der ✓✓✓ ✓✓. X Source: LanzaTech management, 'Climate Watch, The World Resource Institute, Global Change Data Lab; data as of 2016 13#14Global Fortune 500 Partners Deploying LanzaTech's Technology ArcelorMittal Key Partners ~$850mm invested by world class partners deploying LanzaTech's technology, resulting in expected product capacity of ~700,000 mtpa (230 million gallons/year) LT Plans for deployment of LanzaTech technology globally SEKISUI LT Building LanzaTech's first commercial MSW conversion facility, currently in plant startup commissioning; plans for deployment across Japan LanzaTech Shougang LanzaTech Additional plants under construction; technology rollout across China SUNCOR ENERGY LT >>> Active technology and project development partner LT Lanza Tech Investor LanzaJet Investor MITSUI& CO. LT Commercial project investor, including in SGLT plants, and offtaker इंडियन ऑयल IndianOil 13 LT Building first refinery off-gas plant; plans for broad deployment Commercial Plant Partner BASF LT Strategic partner for new LanzaTech chemicals TAGIO lopec LT 1.3 Partner for chemicals commercialization and deployment Source: LanzaTech management 14#15Lanza Tech's Network of Trusted Investors and Partners Range from Industrial Emitters to Aviation Companies and Consumer Brands Over $500M Raised from World Class Investors khosla ventures $134-131141 ArcelorMittal IndianOil BASF Dr. Detlef Kratz, BASF President R&D at BASF LanzaTech NZSUPERFUND Te Kaitiaki Tahua Penihana Kaumátua o Aotearoa CITIC CAPITAL 中信資本 "We have worked with Lanza Tech for several years, know their leadership team well and understand the potential of their technology and the role it can play in not only helping us to decarbonize, but also in producing valuable products from our carbon bearing gases which can help the decarbonization of other sectors. Extending our relationship through this investment was therefore a natural next step and we are very pleased to now have an excellent CCU technology company within our XCarb" innovation fund portfolio." Pinakin Chaubal, ArcelorMittal Chief Technology Officer "The integration of LanzaTech's gas fermentation technology into BASF's Verbund enables us to take an important step towards a carbon-neutral circular economy." ArcelorMittal K1W1 K One W One Ltd. □-BASF MITSUI & CO. SUNCOR ENERGY novo holdings Investors in life science PETRONAS Miny TOPEC Brookfield QIMING VENTURE PARTNERS "The LanzaTech process is important because this fuel takes waste, carbon-rich gases from industrial factories and gives them a second life - so that new fossil fuels don't have to be taken out of the ground. This flight is a huge step forward in making this new technology a mainstream reality." virgin atlantic Sir Richard Branson, Virgin Atlantic Founder of Virgin Group, following the first commercial flight using SAF from steel mill emissions "We are capturing emissions before they pollute our atmosphere and are at the same time moving away from fossil-based materials." Caspar Coppetti, On Co-Founder and Executive Co-Chairman ܘܕ Source: Bloomberg, company filings 15#162 Company and Technology Overview 林 45 FALL W 贯彻落实党的十九#17Lanza Tech Leadership Jennifer Holmgren CEO & Director Sean Simpson CSO, Co-Founder, & Director Geoff Trukenbrod CFO Mark Burton General Counsel Steven Stanley Chief Commercial Officer LanzaTech Who We Are Freya Burton Chief Sustainability Officer Julie Zarraga EVP, Engineering Johanna Haggstrom VP, Chemicals & Hydrocarbon Tech Rob Conrado VP, Engineering Design and Development Jimmy Samartzis CEO, LanzaJet Our DNA Process Integration & Commercialization Refining, Aviation & Biotech 150+ years Management Experience 17#18Poised for Growth: 17 Years of Intellectual Property Development and Technology Commercialization Proven, scalable, profitable Multiple pilot, demo, and commercial deployments World class biology Synbio and Al expertise ZARA virgin allantic S LanzaTech 3% mibelle GROUP Unilever DANONE COTY ONE PLANET. ONE HEALTH 89 M Givaudane MIGROS SHOUGANG Foundation Built: Fully Commercialized Intellectual property moat +1,220 issued patents, global reach L'ORÉAL Beiersdorf TotalEnergies BOEING Market is Ready for LanzaTech LanzaTech recognized as carbon capture and transformation leader ArcelorMittal Demonstrated market and regulatory need for decarbonization solutions Market and partners CarbonSmartTM products and SAF supply with top brands इंडियनऑयल IndianOil Innovate and Capitalize on Market Inflection SEKISUI LanzaJet Source: LanzaTech management 18#19Broad Technology Platform with Patent Protection Forms Competitive Moat 100 Potential Chemicals Identified my B Upstream Patents Feedstocks and characterization Gasification integration with fermentation Electrolysis for use of CO₂ in LT process Gas Conditioning LanzaTech M Core Synthetic Biology & Fermentation Patents Chassis Strains Expression Strategies Enzyme Pathways Genetic Tools 649 Equipment Design Process Controls Biological Products Integrations Downstream Product Portfolio Patents Product Recovery Catalytic Products Secondary Fermentations Nutrition Applications Lanza Tech has over 1,220 patents granted worldwide with over 565 pending 3-hydroxypropionate Lactic acid L PHB Alanine но он MEG Methionine 2-HB CH OH C6-C14 Alkylmalates OH Acetic Acid 3-HB (R,S,mix) OH Ethanol C6-C14 Hydroxyacids Butyric acid Ketovaleric acid 2,3-BDO (RR,meso,mix) FAEE FABE Isoleucine Mevalonic Acid Succinic acid Butylene 2-HIBA wo mw Leucine ww C6-C14 Alcohols Citramalic Acid 1,3-BDO (R,S,mix) HO OH OH Isopropanol HO OH 1,3-PDO (R,S,mix) Acetone CH O 4-HB Ketoglutate OH 1,3-BDO (R,S,mix) Isoprene OH n-butanol OH Phenyl ethanol 19#20LanzaTech Offers Carbon Negative Products Today With Inevitable Improvement Over Time 89 Sustainable Aviation Fuel With LanzaJet Process Monoethylene glycol (MEG) As a chemical intermediate ויו g CO₂e/MJ kg CO₂e/kg product Fossil Equivalent¹ 2.1 Fossil Equivalent² 14 LanzaTech with biogas feedstock. LanzaTech from offgas -0.2 LanzaTech with renewable energy -10 LanzaTech with renewable energy -0.8 Renewable Energy Further reduces carbon intensity of LanzaTech process and products Carbon Negative Feedstocks Enable increasingly negative product carbon intensity Net Zero Economy Enabled by LanzaTech products ¹ ICAO Sustainable Aviation Fuels Guide, Version 2, December 2018, Page 6; 2 The ecoinvent database, version 3#21LanzaJet: The Leading SAF Platform в Pacific Northwest NATIONAL LABORATORY LanzaJet Overview SAF from Carbon Emissions Patented Process and ASTM Approved U.S. DEPARTMENT OF ENERGY & RENEWABLE ENERGY BIOENERGY TECHNOLOGIES OFFICE Office of ENERGY EFFICIENCY LanzaTech Complementary Technology to LanzaTech LanzaTech Ownership 25%, Path to Majority through IP Contribution Key Investors BRITISH AIRWAYS MITSUI & CO. SUNCOR ENERGY 21#22DDD 8 CO Carbon Emissions to Sustainable Aviation Fuels Abundant, Waste-based Feedstock LanzaTech + Low Cost Process LanzaTech Ethanol Competitive Waste-to-SAF Solution With opportunity to utilize existing ethanol supply today LanzaJet ME Ethylene Water Jet Diesel Source: LanzaTech management 22#23Direct Conversion of CO₂ Net Zero Aviation requires closing the emissions cycle Direct conversion of CO₂ to SAF is possible today LanzaTech CO₂ LanzaTech LanzaJet H2 Coupling direct CO₂ conversion with Direct Air Capture fully closes the aviation fuel cycle 23#24SAF Competitive Landscape SAF Key Competitors NESTE VELOCYS Fulcrum BIOENERGY gevo® LanzaTech + LanzaJet Significant competitive advantages from joint process Lowest Cost Process¹ Direct CO₂ Feedstock Use High Potential Jet Yield (90%)² Abundant Low- cost Feedstocks Non-food Based Multiple Global Plants in Development ¹ As compared to Gasification + Fischer-Tropsch and hydro-processed esters and fatty acids (HEFA) 2 Source: LanzaTech Management#25Synthetic Biology: LanzaTech's Toolkit to Redefine the Chemicals Industry Al and Modeling Strain Construction 0 TOOL KIT Automation HE LanzaTech is the first to unlock anaerobic microbes as chassis organisms and has a complete toolkit in house to engineer new products LanzaTech 25#26Leading Synbio Company Transforming Waste to Products LanzaTech's Differentiated Platform Allows it to Use Multiple Non-Food Feedstocks LanzaTech novozymes amyris GINKGO BIOWORKS™ THE ORGANISM COMPANY Steel and Ferroalloy Gas MSW Refinery Gas Product Identification LanzaTech CO₂ Biomass CO₂ Biogas Sugar Microbe Design Commercial Operations ✓ Feedstock Capability m CO₂ 1 2 3 4 Why LanzaTech Differentiated End-to-End Capability Enables Expansion to Sustainable Materials Using Already-Sourced Carbon Compatible With Installed Commercial Gas Fermentation Infrastructure Successful, At-Scale Piloting of First Key Molecules Complete with Hundreds Under Development Source: LanzaTech management, Capital IQ, Bloomberg; 'Via their ownership/ relationship with Genomatica. 26#27LanzaTech SynBio Platform Provides Solutions to Industry Leaders Across Multiple Sectors Microbes Tailored for Specific Applications Same reactor Same feedstock Same process LanzaTech 89 Chemicals -BASF We create chemistry 98 Packaging DANONE ONE PLANET. ONE HEALTH 09 Fragrances Givaudan Fabrics lululemon -BASF We create chemistry Joint News Release LanzaTech and BASF achieve first milestone in utilizing industrial off-gases for chemical production LanzaTech • Indus . White Ludwigshaf in industrial BASF, Now have been the main co that is used "By connec market. Th decisive for success of Engineering innovative ( and operal Wa technology Predvolanie circular eco changing, a keep the im chemical su materials ar Proof of glycol ( product LanzaTech, with the support of Danone, Discovers Method to Produce Sustainable PET Bottles from Captured Carbon May 26, 20 CHICAGO LanzaTec glycol (M (PET), res from stee capture t carbon e need for a direct pro MEG was "We have vast pote said Dr. breakthro LanzaTech multiple s Givaudan DANONE ONE FLANET OM HEALTH Guanand Lanchance their collaboration Givaudan and LanzaTech announce their collaboration on developing sustainable fragrance ingredients from renewable carbon DEMONST Givaudan a global industry leader in the world of scent and beauty, and LanzaTech NZ Inc. (LanzaTech), an innovative Carbon Capture and Transformation (CCT) company have announced a collaboration for the development of sustainable fragrance ingredients from renewable carbon Renewable carbon is carbon that avoids or substitutes the use of additional fossil carbon. Examples include carbon from CO2 and carbon recycling Multiple commercial facilities are already licensing LanzaTech's technology, converting various waste carbon sources to ethanol including the conversion of industrial emissions in China, thanks to the power of industrial biology and a proprietary biocatalyst With over 15 years scale up experience, Lanzatech's approach to carbon transformation is bringing renewable carbon into people's lives through the conversion of emissions to ethanol and the subsequent conversion of ethanol to the buliding blocks necessary to make a wide range of consumer goods, such as laundry detergent, clothing, shoes, and food packaging in addition, thanks to its synthetic biology and modelling capabilities, LanzaTech can introduce new pathways into their biocatalyst to produce a variety of different chemicals through this process The research colaboration with Givaudan is one that is expected to leverage this synthetic biology capability and go beyond the production of ethanol, with the companies working together to establish novel pathways to key fragrance ingredients used across the Givaudan portfolio By searching for new opportunities to bring perfumery material innovations to life, the companies have a shared goal of using sustainable methods to continue serving consumers through enhancing the perfumery palette and being good for the planet as well 27#28LanzaTech SynBio Platform at the Cutting Edge Across Multiple Capabilities & Processes World's First Anaerobic Biofoundry Fully Automated Engineering & Screening of Thousands of Anaerobic Gas Fermentation Strains Rapid In Vitro Prototyping Platform Predictive & Low-Cost, Cell-Free Prototyping of Enzymes & Pathway Designs LanzaTech FD AZA ARRAN JGI JBEI EBRC orthwestern A SynBio Nathen .. SYNTHETIC BIOLOGY AIBN Advanced AI & Modeling Fully-Integrated Predictive Metabolic & Process Models World-Class Partnerships Partnerships with Leading Synthetic Biology Institutions Across Globe 28#293 Growth Opportunity ARTI BILD S ARSTILA ama#30LanzaTech CCT Commercial Deployment Status 3 Commercial Plants Operating, 6 Plants Scheduled to Complete Construction in 2022/2023, and 8 Additional Plants in Engineering Operating ha ha ha Feedstocks Represented Steel and Ferroalloy Gas MSW Partner Investment ~$850 million Construction ha ha ha ha ha ha 厢厢 Refinery Biomass Gas Biogas CO₂ + H₂ Engineering ha ha ha ha ha 厢厢厢 Estimated Total Installed Capacity¹ ~700,000 mtpa (230 million gpy) Regions Represented North America Europe Asia Oceania Anticipated Carbon Captured Annually¹ ~1,000,000 tonnes Source: Lanza Tech management. ¹ Represents capacity and carbon captured by all plants above. 30#31Global Impact SUNCOR ENERGY Pr{} LanzaTech Lanzajet CO₂ Steel and Ferroalloy Gas VATTENFALL ArcelorMittal MSW Refinery Gas NextChem mant for hergaTransition Biomass Biogas CO₂ CO2+H2 इंडियन ऑयल IndianOil SED onGc d एमआरपीएल MAPL 2000 000 DEL 2000 000 O ankur 3 1:0 30 2000 Woodside Energy SEKISUI 31#32Current Engagements Represent ~$7.5bn Revenue Opportunity¹ LanzaTech 6 Construction 8 Engineering 35 Feasibility Study 38 Active Customer Engagements with Positive Technoeconomic Analysis Results Source: LanzaTech Management Note: Based on all active projects in the pipeline advancing through each project development stage. Lifetime revenue includes all one-time and recurring revenue based on a 20-year useful project life. Some projects in construction are pilot or smaller capacity opportunities. 1 Revenue opportunity represents lifetime revenue from a customer. 32#33Brookfield Partnership to Drive CCT Scale-Up and Catalyze Project Deployment within LanzaTech Co-Development Strategy Brookfield Framework Agreement unlocks sophisticated infrastructure capital to invest in projects and further validates the LanzaTech technology platform Capital-light solution providing much-needed supply for the massive, immediate, and rapidly growing demand from CarbonSmart™ and SAF customers 1,500k MT (~500 million gallons) Potential supply for SAF and CarbonSmartTM materials from these projects¹ 5,000k MT (~1.8 billion gallons) Massive Demand Opportunity from LanzaJet alone by 2030 Increased Volumes from Diversified Feedstocks and Geographies Increased CarbonSmart™ and SAF Availability Accelerant to Licensing Business In select identified opportunities, LanzaTech plans to deploy capital directly into projects (~$85mm total, representing ~5% of total capital required for those projects) LanzaTech Brookfield Partnership Revolutionizes LanzaTech Co-Development Strategy +$500mm Equity commitment to invest in CCT projects meeting pre- agreed milestones; LanzaTech participates in project upside Drives Revenue LanzaTech receives its one-time and recurring project-related revenue Brookfield Broad Scope Global focus enables broad deployment of CCT technology 50% Offtake LanzaTech eligible to take up to 50% of the offtake Source: Lanza Tech management, ¹ Named and unnamed project opportunities across projects developed with Brookfield and sponsored projects 33#34Key Investment Highlights Clear track record of successfully deploying patented carbon capture and transformation (CCT) technology driving revenue growth in a massive global TAM supported by macro tailwinds CCT market leader built on the foundation of a world class synthetic biology platform delivering value at each stage of technology deployment, and providing significant recurring revenues Capital-light, licensing model generating attractive returns Profitable plant-level economics expected to drive technology deployment and accelerate growth Attractive entry valuation enabling opportunity to invest in a first of a kind CarbonTech company decarbonizing heavy industry, aviation, and consumer supply chains E AVAVAVAVAVANA LanzaTech will be the first carbon capture and transformation company to go public enabling industrial companies to make money from emissions and consumer brands to decarbonize supply chains 34#35n Thu Oct 28 New York/Newark, NJ, US (EWR) Chicago, IL, US (ORD) 1 traveler Nan E Search awar Trip planner NEW Show Basic Economy fares Book Search fights Multipl & ● > 9 9 Recent 11 35#364 Economics and Financial Overview NEU CO₂ MIT. RECYCELTEM CO₂ Coral COLORWASCHMITTEL OPTIMAL COLOR + LIEBE DEINE FARBEN UND DIE UMWELT RECYCELBAR 70% RECYCELTES PLASTIK UND#37Business Model Integrated and Complementary Business Model Joint Development & Contract Research ■ Leverages LanzaTech's synthetic biology, Al, and machine learning expertise to develop new products ■ Expands addressable product markets and drives demand for CCT facilities Facilitates LanzaTech's continued investment in disruptive synthetic biology platform LanzaTech Joint Development & Contract Research LT CarbonSmart™ Marketing Licensing of CCT Technology Licensing of CCT Technology ■ Combination of one-time and recurring revenues to deploy LanzaTech carbon capture and transformation (CCT) plants ■ One-time revenues - equipment, engineering and startup services ■ Recurring revenues - royalties, microbes and media sales, and software licensing CarbonSmart™ Marketing ■ Offtake from CCT plants to supply brands with sustainable products Upgrade products with conversion partners into a huge variety of drop in polymers, materials, and fuels Source: LanzaTech management 37#38LanzaTech Unit Level Economics ($ in millions) Each carbon capture and transformation plant generates a combination of both one-time and recurring cash flows to LanzaTech One-Time Cash Flows: Engineering Services, Startup Services, and Equipment Sales ― - Recurring Cash Flows: Royalties from Licensing, Microbes & Media, Monitoring & Software, and CarbonSmart™ related marketing fees $ 2 Expected Plant Level Revenue to Lanza Tech $ 10 $6 $4 $8 $8 Year Year Year 0 Year 1 Year 2 T-2 T-1 LanzaTech $8 Year 20 10% 90 % Years 1-20 90% Recurring Revenue $1 Year T-2 Expected Plant-Level EBITDA to LanzaTech $2 Year T-1 $1 $3 $7 One-Time Revenue / EBITDA Recurring Revenue / EBITDA $7 Year Year 1 Year 2 0 $7 Year 20 2% 98% Years 1-20 98% Recurring EBITDA Source: LanzaTech management. Plant economics vary by region, size, feedstock, etc. The above is intended to be exemplary of the unit economics of plants that are currently being engineered or constructed 38#39Customer Unit Level Economics Plant economics vary by region, feedstock, and chosen product Economics are expected to be attractive for plant sponsor, exclusive of the benefit of carbon emission reductions Further upside to plant economics from: Feedstock costs represent up to 40% of cost structure; as cost of carbon increases, this is expected to decrease substantially Price of carbon abated is excluded Direct production of higher value chemicals LanzaTech's 1st customer is building its 4th plant LanzaTech Production (mtpa / million gpy) Carbon Captured (mtpa) Project CapEx ($mm) Revenues Feedstock Costs OpEx Costs Total Cash Costs Expected Carbon Transformation Plant Economics Plant Level Data Cash Margin Gross Cash Margin ($mm per year) Current ($/mt) $1,115 $(250) $(375) $(625) $490 $25 50,000/ 16.7 ~100,000 Potential avoided cost of $10mm per annum to the plant assuming a carbon price of $100/mt Carbon Upside ($/mt) $1,115 +$100 $(375) $(275) $150 $840 $42 Source: LanzaTech management. Plant economics vary by region, size, feedstock, etc. The above is intended to be exemplary of the unit economics of plants that are currently being engineered or constructed The Company expects to continue to innovate around its platform technology in order to reduce operating expense and capital expenditures, but those innovations are not reflected in these estimates. 39#40LanzaTech Projected Financial Profile ($ in millions) % Growth: One-Time Revenue¹ Recurring Revenue² % of Rev: $46 $38 2022E 76% $8 $8 $8 2022E PP&E Sponsored Project Investment 17% $177 $137 2023E Revenue Projections 383% $20 $16 2023E 11% $40 $350 $58 $292 $4 2024E 197% Invested Capital Projections: Capex & Sponsored Project Investment $60 $33 $27 2024E $736 $168 17% $568 2025E 211% $63 $46 $18 2025E $1,026 9% $370 $656 2026E 139% $21 $16 2026E 2% $4 % Margin: % of EBITDA: ($62) 2022E NM ($70) 2022E Adjusted EBITDA Projections NM ($30) 2023E Adjusted EBITDA NM ($50) 2023E NM - $58 2024E 17% ($2) 2024E $232 Invested Capital Projections NM 2025E 31% $168 2025E 73% $430 2026E 42% $410 2026E 95% Source: LanzaTech management Note: Adjusted EBITDA adds back stock-based compensation and includes Lanza Tech's share of LanzaJet's Net Income. ¹ Includes project start revenue, Grants & JDA revenue, dividends and Lanza Tech's share of LanzaJet's services revenue. 2 Includes recurring revenue and CarbonSmart™ revenue 3 This projected financial information is preliminary. See "Preliminary Financial Information" above. See also "Non-GAAP Reconciliations" for a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated in accordance with GAAP. 40 LanzaTech#41Projected Need to Fund Growth ($ in millions) 2022 Investment in carbon capture transformation plant rollout expected to accelerate growth 2023 2024 Adjusted EBITDA improvement, with positive full-year adjusted EBITDA expected to begin in 2024 2025 Continued strong adjusted EBITDA growth expected to drive significant positive free cash flow generation 2026 Significant increase in operating and net cash flow as business scales LanzaTech Cash Flow from Operations CFO (excl. Working Capital) Net A in Working Capital Total Cash Flow from Operations Cash Flow from Investing Purchases of Property Net Investment in Sponsored Projects Total Cash Flow from Investing Cash Flow from Financing Equity Contribution (Net)¹ Total Cash Flow from Financing Total A in Cash Ending Cash Balance Cash Flow Projections 2022E ($62) (15) ($77) ($8) 1 ($7) $220 $220 $136 $264 2023E ($32) (35) ($67) ($16) (7) ($23) $0 $0 ($90) $174 2024E $53 (30) $23 ($27) (33) ($60) $0 $0 ($37) $137 2025E $223 (74) $148 ($18) (43) ($60) $0 $0 $88 $226 2026E $404 (43) $361 ($16) 32 $16 $0 $0 $377 $602 Total $586 (198) $388 ($85) (49) ($134) $220 $220 $473 Source: LanzaTech management ¹ Assumes the $250mm minimum cash closing condition, and 2022E figure excludes $30mm attributable to ArcelorMittal Safe note investment in December 2021, which will convert (and be part of) PIPE proceeds. 41#42LanzaTech#435 Transaction Overview LI** 20 IIL#44Detailed Transaction Overview ~$1.7bn Enterprise Value | ~$125mm PIPE as of March 7, 2022 | $50mm SAFE Investment as of October 3, 2022 Transaction Highlights Process Description Cash Sources Valuation I AMCI II has ~$150mm cash held in trust ■ PIPE of ~$125mm as of March 7, 2022 sourced from a diverse investor base¹ SAFE Investment of $50mm as of October 3, 2022 from Brookfield AMCI II Investors7 6.7% ~$1,734mm EV with strong balance sheet Pro Forma Ownership at $10.00/share Projected Financing7 5.5% Founders' Shares7 PIPE 1.7% Investors 5.5% Existing LanzaTech Shareholders7 80.6% Sources SPAC Cash² PIPE Investors4 Projected Financing5 Brookfield SAFE Equity Rollover³ Total Sources Pre-Money Equity Value (+) SPAC Shareholders (+) PIPE Shareholders4 Founders' Shares Projected Financing5 Post-Money Equity Value (+) Debt (-) Cash6 Pro Forma Enterprise Value $150 125 125 50 1,817 $2,267 Pro Forma Capitalization5 Ownership Breakdown Existing LanzaTech Shareholders AMCI II Investors PIPE Investors4 Founders' Shares Projected Financing5 Equity Ownership Equity Rollover³ Cash to Balance Sheet Illustrative Fees & Exps. Total Uses Uses Pro Forma Ownership7 Shares (mm) 181.7 15.0 12.5 3.8 12.5 225.5 % 80.6% 6.7% 5.5% 1.7% 5.5% 100.0% $1,817 436 14 $2,267 $1,817 150 125 38 125 $2,255 0 (521) $1,734 $mm $1,817 150 125 38 125 $2,255 Source: LanzaTech management Note: AMCI has agreements to sell ~20% of the Founders' Shares to anchor investors subject to certain conditions. ¹Business Combination Agreement requires minimum net proceeds of $250mm to close 2Excludes interest earned in the trust. SPAC cash amount subject to change depending on the actual interest earned. Assumes no redemptions from AMCI stockholders. ³Equity rollover calculated for purposes of the Merger Agreement as pre-money valuation of $1.7bn plus estimated pre-transaction net cash position of $85mm, plus $32mm of aggregate assumed warrant exercise price and aggregate company options exercise price. 4 PIPE size of $125mm as of March 7, 2022. 5Assumes a Projected Financing and excludes impact of gross proceeds from Brookfield SAFE. 6Calculated to reflect net cash position of $85mm consistent with equity valuation in the Merger Agreement and gross proceeds from the Brookfield SAFE. "Pro forma ownership based on $10.00 per share. Assumes no redemptions from AMCI stockholders. Assumes PIPE size of ~$125mm. Assumes Projected Financing. Excludes impact of Brookfield SAFE conversion into shares, 3.5mm private warrants. and 7.5mm public warrants. LanzaTech 44#45Identifying the Comparable Universe: LanzaTech is a Global Leader in Sustainable Materials and Fuels Key Criteria for Defining Best Comps ■ Recognized adjacent industry leaders Huge addressable markets High-growth financial profile ■ Disruptive technologies No perfect public comp available Investors will triangulate across various leading Sustainable Materials Peers, Synthetic Biology Companies, and Disruptive Decarbonization Enabling Companies Market will focus on predictability of business, long- term growth, margin profile, and defensibility of competitive moat LanzaTech Comparable Universe GINKGO BIOWORKS™ THE ORGANISM COMPANY novozymes amyris gevo NESTE Synthetic Biology Sustainable Materials / Fuels LanzaTech ORIGIN PLUG POWER L AKER CARBON CAPTURE ITM POWER Energy Storage Clean fuel -chargepoin+ stem Decarbonization Enablers 45#46Peer Benchmarking Relative EV / Revenue and EV / EBITDA Valuations 9.5x gevo 118.0x 8.7x POWER 7.6x 56.4x Hi POWER 35.3x stem 6.4x EV / 2024E Revenue -chargepoin+ 17.6x novozymes $ 6.3x LanzaTech 8 novozymes 4.6x 15.2x ORIGIN EV / 2024E Adjusted EBITDA 10.8x amyris NESTE T Synthetic Biology Sustainable Materials / Fuels Decarbonization Enablers 3.2x 3.1x 2.8x LanzaTech: 5.0x дали NM -chargepoin+ Median NM stem GINKGO BIOWORKS Synthetic Biology Sustainable Materials / Fuels Decarbonization Enablers Median 2.4x amyris NM gevo 6.3x 4.6x 3.2x LanzaTech: 29.9x NM K 1.7x NESTE 16.4x 10.8x 45.9x NM ORIGIN 6.1x POWER 60.9x 5.7x GINKGO BOWORKS * novozymes -chargepoin+ 57.0x 4.9x 28.8x 4.4x EV / 2025E Revenue JITAH -chargepoint 2.5x H PORTUG 27.0x 25.6x 2.1x 2.0x -JITH gevo EV / 2025E Adjusted EBITDA ⒸUSTOM 16.8x Synthetic Biology Sustainable Materials / Fuels Decarbonization Enablers Synthetic Biology Sustainable Materials / Fuels Decarbonization Enablers 16.3x Median LanzaTech: 2.4x 1.7x 1.6x * stem NESTE amyris CORIGIN Synthetic Biology Sustainable Materials / Fuels Decarbonization Enablers 10.6x Median 1.2x 1.2x LanzaTech: 7.5x 9.5x 4.4x 1.7x 2.1x 8.0x stem novozymes NESTE gevo amyris Source: Public disclosures, Capital IQ, Bloomberg and IBES Estimates; market data as of 08-Sep-2022 Note: Assumes Enterprise Value for Lanza Tech of $1,734mm. LanzaTech Adjusted EBITDA adds back stock-based compensation and includes Lanza Tech's share of LanzaJet's Net Income. EBITDA measures may not be directly comparable between companies presented. 16.3x 9.5x 27.0x 7.9x ORIGIN 46#47Fully Distributed Enterprise Value Sensitivities ($ in millions) $1,734 Implied Transaction Value LanzaTech 7.5x-11.5x Midpoint A 27% $2,664 $1,738 Sustainable Materials / Fuels Enterprise Value / 2025E EBITDA 14.3x-18.3x Midpoint A: 118% $4,240 $3,313 Synthetic Biology 25.0x-29.0x Midpoint A: 261 % $6,719 $5,792 Decarbonization Enablers Source: LanzaTech management, Bloomberg, Capital IQ, and company disclosures; market data as of 08-Sep-2022. Note: Midpoint based on LanzaTech peer median. Peer median excludes negatives. 47#48Pro Forma Ownership Analysis at Various Trading Prices ($ in millions, except per-share data) Share Price SPAC Public Shares SPAC Public Warrants SPAC Founder Shares SPAC Founder Warrants PIPE Shareholders¹ Projected Financing² Previous Owners and Management Rollover Equity Post-Money Equity Value Implied Returns ($mm) Illustrative IPO Investor 1-Year Return 3,4 Illustrative PIPE Investor 1-Year Return ³ SPAC Founder Gain ($s) Illustrative Founder 1-Year Return Implied Ownership SPAC Public Stockholders SPAC Founder PIPE Shareholders¹ Projected Financing² Legacy Lanza Tech Owners & Mgmt. Total Implied Dilution from Promote & Founder Warrants LanzaTech $6.00 15 4 13 13 182 $1,353 (40%) (40%) $19 543% $6.00 6.7% 1.7% 5.5% 5.5% 80.6% 100.0% 1.7% $8.00 15 4 13 13 182 $1,804 (20%) (20%) $27 757% $8.00 6.7% 1.7% 5.5% 5.5% 80.6% 100.0% 1.7% $10.00 15 4 13 13 182 $2,255 $34 971% $10.00 6.7% 1.7% 5.5% 5.5% 80.6% 100.0% 1.7% $12.00 15 0 4 0 13 13 182 $2,711 23% 20% $43 1,236% $12.00 6.8% 1.7% 5.5% 5.5% 80.4% 100.0% 1.7% $14.00 15 1 4 1 13 13 182 $3,184 53% 40% $58 1,650% $14.00 7.2% 1.9% 5.5% 5.5% 79.9% 100.0% 1.9% $16.00 15 2 4 1 13 13 182 $3,657 83% 60% $72 2,064% $16.00 7.5% 2.1% 5.5% 5.5% 79.5% 100.0% 2.1% $18.00 15 3 4 1 13 13 182 $4,130 113% 80% $87 2,479% $18.00 7.7% 2.2% 5.4% 5.4% 79.2% 100.0% 2.2% $20.00 15 3 4 1 13 13 182 $4,603 143% 100% $101 2,893% $20.00 7.9% 2.3% 5.4% 5.4% 79.0% 100.0% 2.3% Source: LanzaTech management, AMCI II disclosure Note: Assumes no redemptions. Warrant dilution calculated using Treasury Stock Method ¹ Assumes PIPE size of ~$125mm. 2 Assumes a Projected Financing. Assumes investor entry price of $10/share. 4 Includes public common shares and public warrants. 48#496 Appendix NITROGEN CARBON DIOXIDE CARBON MONOXIDE HYDROGEN PROCESS GAS 1 PROCESS PROCESS GAS PROCESS GAS? 49#50Risk Factors Certain Factors may have a material adverse effect on our business, financial condition and results of operations. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties that we are unaware of, or that we currently believe are not material, may also become important factors that adversely affect our business. If any of the following risks actually occur, our business, financial condition, results of operations and future prospects could be adversely affected. In that event, you could lose all or part of your investment. All references in this section to "we," our" or "us" refer both to the business of LanzaTech and its subsidiaries prior to the consummation of the proposed business combination and to the business of the post-business combination public company and its subsidiaries. The list below has been prepared solely for the purpose of the private placement transaction, and solely for potential private placement investors, and not for any other purpose. Accordingly, the list below is qualified in its entirety by disclosures contained in future documents filed or furnished by LanzaTech and AMCI Acquisition Corporation II, Inc. ("AMCI") or otherwise with respect to LanzaTech and AMCI, with the SEC, including the documents filed or furnished in connection with the proposed transactions between LanzaTech and AMCI. The risks presented in such filings may differ significantly from and be more extensive that those presented below. Our business, results of operations and financial condition have been, and could continue to be, adversely affected by the COVID-19 pandemic. We have incurred losses and anticipate continuing to incur losses. The success of LanzaTech's plant operations is significantly dependent upon the strong execution and operation of each project by the respective industry partner as we rely, and expect to continue to rely, heavily on industry partners to effect our growth strategy and to execute our business plan. Our failure to successfully maintain and manage these relationships and enter into new relationships could delay our anticipated timelines, prevent the successful development and commercialization of products produced using our process technologies, negatively impact our financial results and prevent us from achieving or sustaining profitability. Even if we are successful in entering into strategic partnering arrangements, there are a number of different arrangements that we can pursue, and there are no assurances that we will select and negotiate the best arrangements for us and our stockholders. We have entered into and anticipate entering into non-binding letters of intent, side letters, memoranda of understanding, term sheets and other arrangements with potential industry partners and cannot assure you that such arrangements will lead to definitive agreements. If we are unable to complete these arrangements in a timely manner and on terms favorable to us, our business will be adversely affected. We continue to face significant risks associated with our international expansion strategy. Construction of our or our partners' plants may not be completed in the expected timeframe or in a cost-effective manner. Any delays in the construction of plants could severely impact our business, financial condition, results of operations and prospects. Failure to continuously reduce operating and capital costs for our and our partners' facilities that deploy our process technologies may impact adoption of our process technologies and could severely impact our business, financial condition, results of operations and prospects. Maintenance, expansion and refurbishment of our and our partners' facilities, the construction of new facilities and the development and implementation of our new process technologies or new aspects of our existing process technologies involve significant risks. Our commercial success may be influenced by the price of fossil feedstocks relative to the price of our waste based feedstocks. Fluctuations in the prices of waste based feedstocks used to manufacture the products produced using our process technologies may affect our or our industry partners' cost structure, gross margin and ability to compete. Declines in the prices of feedstocks our competitors use to produce their products could allow them to reduce the prices of their products, which could cause us or our industry partners to reduce the prices of the products produced using our process technologies. This could make it uneconomical for our partners to produce products using our process technologies. If the availability of the waste based feedstocks used in our process technologies declines or competition for them increases, we or our business partners may experience delayed or reduced production or be required to raise the prices of the products produced using our process technologies, either of which could reduce the demand for the products produced using our process technologies and our revenue. We compete in an industry characterized by rapidly advancing technologies, intense competition and a complex intellectual property landscape, and our failure to successfully compete with other companies in our industry may have a material adverse effect on our business, financial condition and results of operations and market share. Technological innovation by others could render our technology and the products produced using our process technologies obsolete or uneconomical. Our financial results could vary significantly from quarter to quarter and are difficult to predict. Our financial projections may differ materially from actual results. We may require substantial additional financing to fund our operations and complete the development and commercialization of the process technologies that produce each of our products or new aspects of our existing process technologies that produce each of our products, and we may not be able to do so on favorable terms. If we are unable to manage our growth and expand our operations successfully, our reputation and brand may be damaged and our business and results of operations may be harmed. If we lose key personnel or are unable to attract, integrate and retain additional key personnel, it could harm our research and development efforts, delay the commercialization of the new process technologies or the new aspects of our existing process technologies, delay the launch of process technologies in our development pipeline and impair our ability to meet our business objectives. LanzaTech 50#51Risk Factors (Cont.) No assurances can be given that the Projected Financing will occur or with respect to the actual size, timing and form of any such financing. Even if we successfully develop process technologies that produce products meeting our industry partners' specifications, the adoption of such process technologies by our industry partners may be delayed or reduced, or our costs may increase, due to customer qualification, negative life cycle assessment, or capital investment procedures. Failure of LanzaJet to complete its initial facility or failure of third parties to adopt the LanzaJet process in their commercial facilities for the production of sustainable aviation fuel could result in us never owning a majority stake in LanzaJet and may severely impact our business, financial condition, results of operations and prospects. LanzaJet has an exclusive license to some of our intellectual property related to sustainable aviation fuel. Our and our industry partners' failure to accurately forecast demand for any product produced using our process technologies could result in an unexpected shortfall or surplus that could negatively affect our results of operations. Our success is highly dependent on our ability to maintain and efficiently utilize our technology platform, and to effectively identify potential products for which to develop and commercialize new process technologies, and problems related to our technology platform could harm our business and result in wasted research and development efforts. We may not be successful in identifying new market opportunities and needs and developing our technology platform, or process technologies to produce products to meet those needs, which would limit our prospects and lead to greater dependency on the success of a smaller number of target products. Our failure or the failure of our industry partners to realize expected economies of scale could limit our or our partners' ability to sell products produced using our process technologies at competitive prices, negatively impact our ability to enter into other strategic arrangements and the potential for other industry partners to adopt our process technologies, and materially and adversely affect our business and prospects. Our microbial protein products business, which allows for the extraction of spent microbes that contain protein and other valuable nutrients which can then be used in numerous applications, may not develop as currently expected. Natural or man-made disasters, social, economic and political instability, and other similar events may significantly disrupt our and our industry partners' businesses, and negatively impact our results of operations and financial condition. Governmental programs designed to incentivize the production and consumption of low-carbon fuels and carbon capture and utilization, may be implemented in a way that does not include products produced using our novel technology platform and process technologies or could be repealed, curtailed or otherwise changed, which would have a material adverse effect on our business, results of operations and financial condition. Any decline in the value of carbon credits or other incentives associated with products produced using our process technologies could harm our results of operations, cash flow and financial condition. We expect to rely on a limited number of industry partners for a significant portion of our near-term revenue. We and our industry partners are subject to extensive international, national and subnational laws and regulations, and any changes in relevant laws or regulations, or failure to comply with these laws and regulations could have a material adverse effect on our business and could substantially hinder our and our partners' ability to manufacture and commercialize products produced using our process technologies. Our success may be dependent on popular, government and corporate sentiment regarding the production of carbon-based fuels and chemicals and the development and deployment of carbon capture and utilization technology. We and our industry partners use hazardous materials and must comply with applicable environmental, health and safety laws and regulations. Any claims relating to improper handling, storage or disposal of these materials or noncompliance with applicable laws and regulations could be time consuming and costly and could adversely affect our business and resu of operations. We may be subject to product liability claims, which could result in material expense, diversion of management time and attention and damage to our business, reputation and brand. Ethical, legal and social concerns about genetically engineered products and process technologies that use genetically engineered supplies could limit or prevent the use of products produced using our process technologies and could limit our revenues. Our genetically engineered microbes may be subject to regulatory scrutiny and may face future development and regulatory difficulties. Additionally, failure to obtain import permits for all relevant microbes in jurisdictions with our industry partners could adversely affect our business and results of operations. LanzaTech 51#52Risk Factors (Cont.) Our government grants are subject to uncertainty, which could harm our business and results of operations. The requirements of being a public company may strain our resources and divert management's attention, and the increases in legal, accounting and compliance expenses that will result from being a public company may be greater than we anticipate. Our management has limited experience in operating a public company. We have identified material weaknesses in our internal control over financial reporting. These material weaknesses could continue to adversely affect the combined company's ability to report its results of operations and financial condition accurately and in a timely manner. If we experience a significant disruption in our information technology systems, including security breaches, or if we fail to implement new systems and software successfully, our business operations and financial condition could be adversely affected. International sales by us and our industry partners expose us and our industry partners to the risk of fluctuation in currency exchange rates and rates of foreign inflation, which could adversely affect our results of operations. Changes in interest rates and capital availability may impact investment and financing decisions by our industry partners, which could adversely affect our results of operations. Any failure by us to manage acquisitions and other significant transactions successfully may have a material adverse effect on our results of operations, financial condition, and cash flows. We believe our company culture has contributed to our success, and if we cannot maintain this culture as we grow and, in particular, become a public company, our business could be harmed. Causes of supply chain challenges, including COVID-19, could result in delays or increased costs for us and our partners deploying our technologies. We and our industry partners have a limited operating history utilizing our technology and different feedstocks, which may make it difficult to evaluate our future viability and predict our future performance. We have not yet generated material revenues from marketing of CarbonSmart products and sale of equipment and our revenue forecast must be considered in light of the uncertainty and risks frequently encountered by companies in their early stage of development. Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited. Changes in U.S. and foreign tax laws could have a material adverse effect on our business, cash flow, results of operations or financial conditions. Political and economic uncertainty, including changes in policies of the Chinese government or in relations between China and the United States, may impact our revenue and materially and adversely affect our business, financial condition, and results of operations. Our operations in China are limited to our joint venture and the license of our process technology to our partners in China. Our ability or the ability of our partners to operate in China may be impaired by changes in Chinese laws and regulations, including those relating to taxation, environmental regulation, restrictions on foreign investment, and other matters. Changes in China's economic, political, or social conditions or legal system or government policies could have a material adverse effect on our business and operations. We may be subject to risks that the Chinese government may intervene or influence our operations at any time. Products produced by our process technologies compete with or are intended to displace comparable products produced using fossil resources. The market prices for these alternatively produced products and commodities are subject to volatility and there is a limited referenceable market for the more sustainable, waste based products that our process technologies enable. Process performance at LanzaTech's plants is dependent on the quality and quantity of the feedstock supplied from the host facility The deployment of the technology for alternative waste gas feedstocks can lead to unforeseen issues due to the change in the upstream industrial process. Our patent rights may not provide commercially meaningful protection against competition, and we may be unable to detect infringement of our patents. Differences and uncertainties with respect to legal systems outside the United States could adversely affect the legal protection available to us. LanzaTech 52#53Risk Factors (Cont.) We may not be able to operate our business without infringing the proprietary rights of third parties. Trade secrets can be difficult to protect and enforce, and our inability to do so could adversely affect our competitive position. If trade secrets are stolen, misappropriated or reverse engineered, others could use these designs to produce competing products. If we are unable to prevent third parties from adopting, registering or using trademarks or otherwise violating our trademark rights, our business could be materially adversely affected. We may not retain exclusive rights to intellectual property created as a result of our strategic partnering arrangements which could limit our prospects and result in costly and time-consuming disputes. Some of our intellectual property may be subject to federal regulation such as "march-in" rights, reporting requirements and a preference for U.S. industry, and any such regulations could negatively impact our business and prospects. We depend on certain technologies that are licensed to us. We do not control these technologies and any loss of our rights to them could prevent us from developing or selling our process technologies. Any strategic partnering arrangement that involves the licensing of any of our intellectual property may increase our risks, harm our competitive position and increase our costs. We may be involved in lawsuits to protect or enforce our patents or the patents of our licensors, or lawsuits asserted by a third party, which could be expensive, time consuming and unsuccessful. LanzaTech 53