Amprius and Matternet Partner to Advance Drone Delivery

Amprius cells now power Matternet’s M2 aircraft; partnership extends to Matternet’s next-generation platform FREMONT, Calif. — May 19, 2026 — Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in silicon anode lithium-ion batteries and Matternet , the world’s only FAA Type Certified drone delivery company, today announced a strategic collaboration to advance the perform