TOKYO, Japan- Dec. 2, 2025- Northrop Grumman Corporation (NYSE: NOC) and IHI AEROSPACECo., Ltd. signed a memorandum of understanding (MOU) to explore potential collaborative opportunitiesin propulsion technologyfor space and national security applications. The companies will focus on exploring innovative propulsion solutions to meet the evolving needs of customers inthe U.S., Japan underthe strong alliance between both countries.

Northrop Grumman and IHI AEROSPACEintend to leveragetheir expertisein propulsion system development and advanced manufacturing capabilities for future collaborative efforts.

Lisa Brown, country executive for Japan, Northrop Grumman and FumiharuNamiki, president,IHI AEROSPACEsign MOU to collaborate to advance global propulsion technology. (Photo Credit: Northrop Grumman)

Experts:

Lisa Brown, country executiveforJapan, Northrop Grumman: "Collaborating with IHI AEROSPACEto explore the future of propulsion technology allows us to drive innovation by combining our unique capabilities. This MOU highlights our dedication to fostering international partnerships that push the boundaries of solid rocket motor technology.

FumiharuNamiki, President,IHI AEROSPACE: "This partnership with Northrop Grummanmarks the first step in what we believe will be a highly productive collaboration. Northrop Grummanhas extensive experience and a proven track recordin this field, and we share a long-standing cooperative relationship. We are confident that this partnership will further promote international cooperation between the United Statesand Japan.

About Northrop Grumman's Propulsion Technology:

Northrop Grumman is a preeminent manufacturerof advanced weapons systems including hypersonic propulsion, armaments, components, missiles, electronicsand interceptors. The company's missile and propulsion components includetactical rocket motors, medium and large caliber ammunition, composite structure, mechanical and electronic fuzesand advanced weapons for the U.S. and its allies.

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip our customers with the capabilities they need to connect and protect the world, andpush the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers' toughest problems, our employees define possible every day.

About IHI AEROSPACE's Propulsion Technology:

IHI AEROSPACEis a Japanese leading manufacturer of advanced propulsion systems and space equipment, highly regarded both domestically and internationally. The company providesa wide range of products, including space transportation systems, solid propulsion systems for guided missiles andsatellite propulsion systems.IHI AEROSPACE's technology support national security and space exploration in Japan and around the world.