OAK BROOK, Illinois, December 31, 2021 — Federal Signal Corporation (NYSE: FSS) (the “Company”), a leader in environmental and safety solutions, today announced that it has completed the acquisition of substantially all the assets and operations of each of Deist Industries, Inc., Bucks Fabricating, LLC, Roll-Off Parts, LLC and Switch-N-Go, LLC (collectively “Deist”), all of which are located in Pennsylvania.