October 4th, 2021 Federal Signal to Expand its Specialty Vehicle Platform by Executing Agreement to Acquire Ground Force Worldwide OAK BROOK, Illinois, September 8, 2021 — Federal Signal Corporation (NYSE: FSS) (the “Company”), a leader in environmental and safety solutions, today announced the signing of a definitive agreement to acquire substantially all the assets and operations of Ground Force Worldwide (“GFW”) for cash consideration of $45 million. Headquartered in Post Falls, Idaho, GFW is a leading manufacturer of specialty material handling vehicles that support the extraction of metals, with its current product portfolio including fuel and lube trucks, water trucks, dump bodies and rock spreaders. GFW also supports the recurring aftermarket needs of its customers through parts and service offerings. The acquisition further bolsters the Company’s position as an industry leading diversified industrial manufacturer of specialized vehicles for maintenance and infrastructure markets with leading brands of premium, value-adding products, and a strong supporting aftermarket platform. Over the last