MATRIX SERVICE SELECTED BY NORTHROP GRUMMAN FOR TWO SEPARATE THERMAL VACUUM CHAMBER PROJECTS

TULSA, Okla., July 18, 2022 – Matrix Service Company (Nasdaq: MTRX) announced today that its subsidiary, Matrix Service Inc., has been selected by Northrop Grumman for two thermal vacuum chamber projects, the first of which is the Engineering Procurement and Construction (EPC) for a new state-of-the-art thermal vacuum chamber at Northrop Grumman’s Gilbert, Arizona campus. The EPC work for the Gilbert project was awarded in the fourth quarter of Fiscal 2022, following a previous award for the Front-End Engineering Design (FEED).