Vigoride-7 Fires All Thrusters and Clears Key Milestones

Momentus Inc. (NASDAQ: MNTS) (“Momentus” or the “Company”), a U.S. commercial space company specializing in satellite technology, space transportation, and in-orbit services, today shared a series of significant achievements in the ongoing Vigoride-7 mission, marking one of the most successful early-phase operations in the company’s history.

Following separation from SpaceX’s Transporter-16 mission at approximately 520 km altitude, the Vigoride-7 Orbital Service Vehicle powered on autonomously, deployed its solar arrays, and executed initial configuration as designed.

Within hours, Momentus established two-way communication between Vigoride-7 and our San Jose based Mission Operations Center. Early communication verified the spacecraft and its hosted payloads are healthy. Comprehensive bus system checks validated that primary and redundant subsystems for power, command & data handling, and attitude control were fully operational.

Our major milestones to date include:

• Pressurization of the main water-based propulsion tank to mission-required levels

• Activation of the Reaction Control Subsystem (RCS) accumulators, responsible for pressure regulation of 8 redundant RCS thrusters, providing fine attitude control

• Attitude Control System (ACS) successfully dampened out our spacecraft’s rotation rates as we prepare to perform an initial orbit adjustment prior to commencing payload operations.

Achieving these milestones paves the way for the next phase of the mission: a planned orbit-lowering maneuver that will position Vigoride-7 for upcoming payload operations.

Momentus CEO, John Rood said: “This mission is action-packed, technically demanding, and deeply rewarding.”