Director — Richard A. Maue and Eric A. Vaillancourt: The Board of Directors increased its size from seven to nine directors and appointed Richard A. Maue and Eric A. Vaillancourt.

Completion of Acquisition or Disposition of Assets. As previously reported in the Current Report on Form 8-K filed by Federal Signal Corporation, a Delaware corporation (the “Company”), with the Securities and Exchange Commission (the “SEC”) on September 25, 2025, the Company entered into an Equity Purchase Agreement (the “Purchase Agreement”) with McLaughlin Family Companies Inc., an Iowa corporation, and Scranton Manufacturing Company LLC, a Delaware limited liability company following its…

Entry into a Material Definitive Agreement. On September 24, 2025, Federal Signal Corporation, a Delaware corporation (the “Company”), entered into an Equity Purchase Agreement (the “Purchase Agreement”) with McLaughlin Family Companies Inc., an Iowa corporation, and Scranton Manufacturing Company Inc., an Iowa corporation (“New Way”). Pursuant to, and subject to the terms and conditions of, the Purchase Agreement, the Company will acquire all of the outstanding equity interests of New Way. N…

Other Events. On April 22, 2025, the Board authorized an additional stock repurchase program of up to $150 million of the Company’s common stock. The repurchase program supplements the Board’s prior authorization from March 2020, which had approximately $27 million of availability remaining at the end of the first quarter of 2025. The newly-authorized program is intended primarily to facilitate purchases of Company stock as a means to provide cash returns to stockholders, enhance stockholder…

Other Events. On February 12, 2025, Federal Signal Corporation (the “Company”) completed the acquisition of substantially all the assets and operations of Waterblasting, LLC, owner of Hog Technologies (“Hog”), and an affiliated entity. Hog is a leading U.S. manufacturer of truck-mounted road-marking, line-removal, and waterblasting equipment, serving infrastructure, municipal, and airport markets. The Company also entered into a definitive agreement to acquire Hog’s primary manufacturing faci…

Other Events. On October 4, 2024, Federal Signal Corporation completed the acquisition of substantially all the assets and operations of Standard Equipment Company, a leading distributor of specialty maintenance and infrastructure equipment for municipal and industrial markets in parts of Illinois and Indiana. A copy of the related press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Director — Katrina L. Helmkamp: The filing discloses the appointment of a new independent director to the board, which is a routine governance event and not a departure of a senior executive.

Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Termination of a Material Definitive Agreement. The information set forth under

Entry into a Material Definitive Agreement. On October 21, 2022, Federal Signal Corporation (the “Company”) entered into the Third Amended and Restated Credit Agreement (the “2022 Credit Agreement”), by and among the Company (the “U.S. Borrower”) and certain of its foreign subsidiaries (collectively, the “Borrowers”), Wells Fargo Bank, National Association, as administrative agent, swingline lender and issuing lender, PNC Bank, National Association and Truist Bank as syndication agents, and t…

Vice President, General Counsel and Secretary — Daniel A. DuPré: The filing details the separation agreement and equity vesting terms for the previously announced retirement of the General Counsel, which is an orderly succession rather than a sudden loss.

Vice President, General Counsel and Secretary — Daniel A. DuPré: The General Counsel is retiring from the role but remaining employed, with a named external successor appointed, indicating an orderly succession rather than a sudden loss of executive talent.

Director — Shashank Patel: The filing announces the appointment of a new director to the Board, which is a routine governance action and not the departure of an executive.

Vice President, Treasurer and Corporate Development — Svetlana Vinokur: A named executive officer is resigning to join another company, representing a genuine departure of a senior officer.

Other Events. On February 17, 2021, a subsidiary of Federal Signal Corporation (the “Company”) completed the acquisition of all of the outstanding equity of OSW Equipment and Repair, LLC, a manufacturer of dump truck bodies and custom upfitter of truck equipment and trailers (“the Acquisition”). A copy of the press release issued by the Company in relation to the closing of the Acquisition is furnished herewith as Exhibit 99.1 and incorporated herein by reference.