Proxy Results (Form 8-K)

On February 6, 2026, Momentus Inc. (the "Company") held its 2026 Special Meeting of Stockholders (the "Special Meeting"). A quorum was present at the meeting. The final results of voting for each matter submitted to a vote of stockholders at the Special Meeting are set forth below.

Matters submitted to the stockholders and voted upon at the Special Meeting, which are more fully described in the Company's definitive proxy statement filed with the U.S. Securities and Exchange Commission (the "SEC") on December 29, 2025 and the Company's definitive proxy statement supplement filed with the SEC on January 22, 2026, were (i) to approve, pursuant to Nasdaq listing rules, the issuance of the Company's Class A common stock in connection with the exercise of certain existing Convertible Notes and Warrants, and any future adjustments of the exercise price of the Warrants (the "Convertible Notes and Warrants Proposal"); (ii) to approve, pursuant to Nasdaq listing rules, the issuance of the Company's Class A common stock in connection with the use of the Company's Equity Line of Credit and the exercise of certain Pre-Funded Warrants, and any future adjustment of the ELOC rate (the "Equity Line of Credit Proposal"); (iii) to approve, pursuant to Nasdaq listing rules, the issuance of the Company's Class A common stock in connection with the exercise of certain existing Inducement Warrants, and any future adjustments of the exercise price of the warrants (the "October 2025 Inducement Warrant Proposal"); (iv) to approve a Certificate of Amendment to the Company's Second Amended and Restated Certificate of Incorporation to increase the number of the Company's authorized shares of Class A common stock from 250,000,000 shares to 260,000,000 shares (the "Share Increase Proposal"); (v) to approve, pursuant to Nasdaq listing rules, the issuance of the Company's Class A common stock in connection with the exercise of certain existing Inducement Warrants, and any future adjustments of the exercise price of the warrants (the "December 2025 Inducement Warrant Proposal"); (vi) any postponement or adjournment of the Special Meeting to a later date or dates, if necessary or appropriate, to permit further solicitation and vote of proxies if there are insufficient votes to approve any of the proposals at the time of the Special Meeting (the "Adjournment Proposal"); and (vii) to approve, pursuant to Nasdaq listing rules, the issuance of the Company's Class A common stock in connection with the exercise of certain existing January 2026 Warrants, and any future adjustments of the exercise price of the warrants (the "January 2026 Warrant Proposal"). The numbers reported below are based on outstanding shares of the Company's Class A common stock as of December 10, 2025, the record date for the Special Meeting, and, as such, have not been adjusted to reflect the reverse stock split of the Company's Class A common stock effected on December 17, 2025.

At the Special Meeting, the Company's stockholders approved all of the proposals except for the Share Increase Proposal. The final results were as follows:

Proposal 1

Convertible Notes and Warrants Proposal

Proposal 2

Equity Line of Credit Proposal

Proposal 3

October 2025 Inducement Warrant Proposal

Proposal 4

Share Increase Proposal

Proposal 5

December 2025 Inducement Warrant Proposal

Proposal 6

Adjournment Proposal

Proposal 7

January 2026 Warrant Proposal