On November 13, 2024, Momentus Inc. called to order its 2024 Special Meeting of Stockholders but failed to achieve a quorum. The meeting has been adjourned until December 2, 2024, at 9:00 a.m. Pacific Time, to be held at the same virtual location.The adjournment aims to provide stockholders of record as of October 14, 2024, additional time to consider and vote on the proposals. It also allows the company's proxy solicitor, Laurel Hill Advisory Group, more time to assist with vote solicitation. Valid proxies submitted prior to the original meeting will remain valid for the reconvened meeting unless properly changed or revoked.Stockholders will be deemed present in person and vote at the adjourned meeting as disclosed in the company's definitive proxy statement filed on October 29, 2024. The reconvened meeting will be held at www.virtualshareholdermeeting.com/MNTS2024SM.

On November 13, 2024, Momentus Inc. called to order its 2024 Special Meeting of Stockholders but failed to achieve a quorum. The meeting has been adjourned until December 2, 2024, at 9:00 a.m. Pacific Time, to be held at the same virtual location.The adjournment aims to provide stockholders of record as of October 14, 2024, additional time to consider and vote on the proposals. It also allows the company's proxy solicitor, Laurel Hill Advisory Group, more time to assist with vote solicitation. Valid proxies submitted prior to the original meeting will remain valid for the reconvened meeting unless properly changed or revoked.Stockholders will be deemed present in person and vote at the adjourned meeting as disclosed in the company's definitive proxy statement filed on October 29, 2024. The reconvened meeting will be held at www.virtualshareholdermeeting.com/MNTS2024SM.