Momentus to Ring Nasdaq Stock Market Closing Bell

Company Launched First Vigoride Mission to Space Earlier This Week

Momentus Inc. (NASDAQ: MNTS) ("Momentus" or the "Company"), a U.S. commercial space company that plans to offer transportation and other in-space infrastructure services, today announced that John Rood, Chief Executive Officer, will ring the closing bell at Nasdaq MarketSite in New York’s Time Square today, Friday, May 27, 2022 at 4:00 p.m. ET. The Company commenced trading on the Nasdaq Stock Market under the ticker symbol “MNTS” on August 13, 2021 and placed its first customer satellite in orbit and launched its first mission with the Vigoride Orbital Transfer Vehicle to low-earth orbit earlier this week.

"We’re honored to celebrate being a publicly traded company on Nasdaq," said Chief Executive Officer John Rood. "Ringing the closing bell at Nasdaq is a wonderful way to end a big week for Momentus that featured some key milestones with the deployment of our first customer satellite in orbit and start of our first Vigoride mission. The mission we launched this week will be an opportunity for us to test our Vigoride Orbital Transfer Vehicle, learn from the experience to improve our service offerings, and help our customers meet their mission objectives. We’re a young company and see this initial Vigoride mission as a great starting point as we aim to be a leading provider of in-space transportation and infrastructure services to enable the new space economy.”

A live stream of the Nasdaq Closing Bell will be available at: https://livestream.com/accounts/27896496/events/10316663.

About Momentus

Momentus is a U.S. commercial space company that plans to offer in-space infrastructure services, including in-space transportation, hosted payloads and in-orbit services. Momentus believes it can make new ways of operating in space possible with its planned in-space transfer and service vehicles that will be powered by an innovative water plasma-based propulsion system that is under development.

Forward-Looking Statements

This press release contains certain statements which may constitute “forward-looking statements” for purposes of the federal securities laws. Forward-looking statements include, but are not limited to, statements regarding Momentus or its management team’s expectations, hopes, beliefs, intentions or strategies regarding the future, projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, and are not guarantees of future performance. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of Momentus’ control. Many factors could cause actual future events to differ materially from the forward-looking statements in this press release, including but not limited to risks and uncertainties included under the heading “Risk Factors” in the Annual Report on Form 10-K filed by the Company on March 9, 2022, as such factors may be updated from time to time in our other filings with the Securities and Exchange Commission (the "SEC"), accessible on the SEC’s website at www.sec.gov and the Investor Relations section of our website at investors.momentus.space. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and, except as required by law, the Company assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise.

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