Advent SPAC Presentation Deck

Leadership & Expertise Bill Hunter CEO, AMCI • 25+ years of financial services experience, with a focus on the industrial and natural resources sectors Long track record in battery metals-related investments, including current Board member of American Battery Technology Corp. . MBA from DePaul University AMCI Jefferies NOMURA 7 Vasilis Gregoriou Founder & CEO • 30+ years of operational and strategy experience in the US and Europe • World-renowned renewable energy expert • Extensive experience in product development and company management • Ph.D. Physical Chemistry, Duke MBA, Northeastern Duke PRINCETON UNIVERSITY Polaroid Note: Additional board members will be added prior to close. • DOE Manufacturing Award BASF Fuel Cell Inc. PEMEAS Inc., and De Nora N.A. ● Emory De Castro CTO 35+ years of technology commercialization, 25+ years in fuel cells Volume manufacturing expert • E-TEK ● . Ph.D. Cincinnati B.S. Duke D-BASF We create chemistry PEMEAS Fuel Cell Technologies E-TEK ● Proven track-record of technological development and Nick Stamp CFO •20+ years of financial services experience in energy industry and investment banking roles Previously Director, EMEA ECM, Macquarie . commercialization Chartered Accountant, Ernst & Young (2004) BA (Classics) Oxford University LONGSPUR CAPITAL MARKETS. MACQUARIE www.advent.energy EY Harris Antoniou Advent Board of Directors 25+ years in global investment & corporate banking • CEO in banking and investment management . . In-depth knowledge of energy, commodities & transportation Turnaround & scale up expert Harvard Business School, Erasmus MBA, Piraeus University MSc ABN AMRO ATB AMCI Jim Coffey General Counsel • 30+ years experience in corporate and securities law, M&A, VC, corporate finance and IP law Chris Kaskavelis CMO 20+ years as a C-Suite Officer in Tech/Marketing (founded start up to AIM & Nasdaq IPOs) . Nora Gourdoupi GM Europe 19+ years experience in fuel cells Co-inventor of Advent polymer Ph.D. University of Patras Chara Dendi Operations • 23+ years experience in operations . B.B.A. University of Cyprus LLM in Business Law AMCI ADVENT Acquisition Corp. 19

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