GreenLight SPAC Presentation Deck

Transaction Summary & Pro Forma Equity Ownership Key Transaction Terms • Assumed a $1.2 billion enterprise valuation and gross cash proceeds of $312 million, inclusive of PIPE proceeds and cash in SPAC trust • GreenLight's current shareholders will own approximately 77% of the public company (assuming no redemptions or exercise of warrants) • After transaction costs, GreenLight would have ~$300 million of cash available on the balance sheet to fund growth and its manufacturing expansion (inclusive of the Company's existing net cash) Illustrative Cash Sources & Uses ($ in millions) Seller Rollover Estimated Cash in Trust (3) PIPE Proceeds Total Sources Equity Consideration to GreenLight Net Cash to Balance Sheet Estimated Transaction Costs Total Uses $ $1,200 207 105 $1,512 $1,200 282 30 $1,512 Pro Forma Valuation ($ in millions except per share data) Share Price Pro Forma Shares Outstanding (1) Equity Value Less: Net Cash from Transaction Less: Existing Net Cash on Balance Sheet (2) Implied Enterprise Value Post Money Ownership (4) GreenLight Equity 120.0 million shares (76.7% ownership) PIPE Investors 10.5 million shares (6.7% ownership) SPAC Public Shares 20.7 million shares (13.2% ownership) Investor Presentation | © 2021 GreenLight Biosciences. All rights reserved. GreenLight confidential. SPAC Founder Shares 5.2 million shares (3.3% ownership) 13.2% 3.3% 6.7% $10.00 156.4 $1,564 $282 $52 $1,230 76.7% (1)Shares outstanding and ownership at close includes 20,700,000 ENVI shares outstanding, 5,175,000 ENVI Founder shares, 120,000,000 shares issued to existing GreenLight shareholders, and approx. 10,500,000 shares issued to the PIPE investors. (2)Assumes $52 million in cash and conversion of any convertible notes, per the Company's draft unaudited financials as of 6/30/2021. (3)Cash in trust assumes no redemptions in connection with the business combination. (4)Post money equity ownership assumes no redemptions and excludes additions to the employee equity pool 41

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