144 0001164840 XXXXXXXX LIVE 0000277509 FEDERAL SIGNAL CORP /DE/ 001-06003 1333 BUTTERFIELD ROAD SUITE 500 DOWNERS GROVE IL 60515 630-954-2000 REICHELDERFER BRENDA Director Common Stock Computershare

P.O. Box 43006 Providence RI 02940-3006

6070 783758.40 61041611 08/04/2026 NYSE Common Stock 04/21/2026 Grant Federal Signal N 837 04/21/2026 Award Grant Common Stock 04/23/2024 Grant Federal Signal N 1493 04/23/2024 Award Grant Common Stock 04/22/2025 Grant Federal Signal N 1290 04/22/2025 Award Grant Common Stock 04/25/2023 Grant Federal Signal N 2450 04/25/2023 Award Grant Y 08/04/2026 Diane Bonina