X0203 0000876661 NEW YORK STOCK EXCHANGE LLC 0001854795 INTEGRATED RAIL & RESOURCES ACQUISITION CORP 001-41048

400 W. Morse Blvd. Winter Park FL FLORIDA 32789

(817) 737-5885 Class A Common Stock; Units, each consisting of one share of Class A common stock and one half of one redeemable warrant; Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 17 CFR 240.12d2-2(b) Emily Fuhrman Analyst, Regulation 2024-03-26