Momentus Results Presentation Deck

Q3 Financial Highlights Non-restricted cash and cash equivalents of $9.7 million as of Sept 30, 2023. Approximately $5.7 million term loan debt as of Sept 30, 2023. Recognized $339 thousand in revenue. Q3 loss from operations was approximately $15.1 million. Raised approximately $16.9 in total gross proceeds since the start of our fiscal Q3. • $5.0 M in gross proceeds through a registered direct offering in Q3 $4.0 M in gross proceeds through a registered direct offering in October $1.35 M through the exercise of warrants also in October $6.5 M in gross proceeds through the exercise of additional warrants in November • Q3 Adjusted EBITDA was negative $10.6 million, an improvement over Q3 2022 of $5.5 million. ● ● ● ● ● ● ● ● ● Adjusted EBITDA excludes stock-based compensation expense, certain legal matters, and net mark-to-market gains. and losses on warrant liabilities, and other adjusting items. Refer to the Appendix of this presentation for reconciliation with equivalent GAAP financials. Backlog includes signed contracts spanning across 19 companies in 13 countries. Backlog contains firm orders as well as options, which allow customers to opt-in to launches on shorter notice without requiring a separate agreement. In general, our customers have the right to cancel their contracts with the understanding that they will forfeit their deposits. If a customer cancels a contract before it is required to pay non-refundable deposits, we may not receive revenue from these orders, except for an initial deposit which is paid at the time the contract is signed. Copyright 2023. Momentus Inc. Not Export Controlled. Any use, reproduction, or distribution without the express consent of Momentus is strictly prohibited. 14

View entire presentation