Tranche Update on Northrop Grumman Corporation's Equity Buyback Plan announced on December 6, 2023.

Northrop Grumman Corporation is one of the American leaders of the design, manufacturing and marketing of defense systems and equipments. Net sales break down by family of products as follows: - space systems (35.5%); - mission systems (27.7%): radar, sensors, air traffic control systems, communications, surveillance, etc. The group also offers information and command systems; - aeronautics systems (27.5%): autonomous and manned aircraft systems, space vehicles, surveillance and reconnaissance systems, command and control systems, etc.; - defense systems (14.9%): weapons, combat management systems, missile systems, etc. Net sales break down geographically as follows: the United States (87.5%), Europe (6.2%), Asia/Pacific (4%) and other (2.3%).