Senior plc announced that it has been awarded a 5-year contract extension by Spirit AeroSystems Holdings Inc. for the supply of large diameter precision formed and machined structural components for Boeing aircraft programs such as the 777, 777-9 and 737 MAX family. The contract extension commences in January 2026 and is valued at approximately $130 million over the 5-year period. Manufacturing will be undertaken at Senior Aerospace Jet Products' facility near San Diego, California, USA.