Momentus SPAC Presentation Deck

MOMENTUS AT A GLANCE ■ ■ ■ ■ COMPANY OVERVIEW FIRST MOVER IN PROVIDING IN-SPACE TRANSPORTATION AND INFRASTRUCTURE SERVICES - SPACE TRANSPORTATION SERVICES - first hub and spoke model of space, providing last mile delivery in partnership with key launchers, such as SpaceX - SATELLITE AS A SERVICE - hosted payload services that significantly decrease the cost of developing, launching and maintaining satellites IN-ORBIT SERVICES - maintaining, repairing and refueling satellites in orbit GROUNDBREAKING WATER PROPULSION TECHNOLOGY that significantly reduces costs and is reusable Successfully tested water based propulsion technology on a demo flight launched mid-2019 - is still operational today Founded in 2017 in Santa Clara, California KEY PARTNERS CURRENT CUSTOMERS REVENUE ($M)² NON-GAAR PARTNERSHIPS, CUSTOMERS AND STRONG BACKLOG DEVELOPMENT MADE IN SPACE IN-SPACE ROBOTICS SPACEX RIDESHARE PARTNERSHIP LOCKHEED MARTIN SKYKRAFT KNOW YOUR WORLD FOSSA C3S STRONG BACKLOG >$90M³ $152 $2 $19 2020E 2021E 2022E NASA ODYSSEUS 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. Osen Relativity PRECIOUS PAYLOAD $598 2023E ASTRO DIGITAL PIPELINE UNDER NEGOTIATION/ CONVERSATIONS ~$1.IB $1,200 SATREVOLUTION 2024E SEOPS 601 ORBITS $1,960 2025E 1. 2. NUSPACE $2,987 albaorbital $4,035 RBC GLOBAL GROUND STATION 2026E 2027E PIXXEL ENOUROMAST SILAUNCH STEADY-STATE EBITDA MARGINS ~60% 14 US and PCT patent applications that describe 70 distinct ideas Management forecasted non-GAAP revenue. See page 38 for revenue calculated using ASC 606 3. Including non-binding options with deposits pre-paid 6

View entire presentation