LanzaTech SPAC Presentation Deck

Pro 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. ³Assumes investor entry price of $10/share. 4 Includes public common shares and public warrants. 48

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