Momentus SPAC Presentation Deck

TRANSACTION PRICED AT A DISCOUNT TO PEER MULTIPLES ($ IN MILLIONS) ~80% Discount To Relative Value TRANSACTION VALUE $1,200 Pro Forma Enterprise Value $6,371 $5,212 RELATIVE VALUATION Enterprise Value Discounted Back 4 Years at 20% Discount Rate 2025E EBITDA at 9.0x - 11.0x Multiple $7,239 2025E MANAGEMENT FORECASTED EBITDA': $1,201 Copyright 2020. Momentus Inc. Proprietary & Confidential. Not Export Controlled. Any use, reproduction, or distribution without the express consent of Momentus is strictly prohibited. If you are not the intended recipient, please immediately delete this document and any associated communications. $4,344 +/-25% 2025E EBITDA at 10.0x Multiple 1. ■ SUMMARY OF APPROACH Applies a range of multiples to Momentus' 2025E management forecasted EBITDA to arrive at an implied future EV. The future EV is discounted 4 years back to December 31, 2020 at 20% to arrive at an implied discounted EV The applied range of multiples is centered around the median of Momentus' peer group (~10.0x), with sensitivity built on both high and low ends ▪ 2025E projected financials-based valuation is the appropriate approach given Momentus' significant revenue growth and ramp to steady-state EBITDA margins of ~60% Momentus management forecasted non-GAAP financials based on non-GAAP revenue. See page 38 for financials calculated under ASC 606 and for a reconciliation of non- GAAP to GAAP measures 35

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