TRADE NAME (DBA) REGISTRATION OFFICE OF WALT LAWSON CLERK SUPERIOR COURT EFFINGHAM COUNTY, GEORGIA PERSONALLY APPEARED THE UNDERSIGNED WHO ON OATH DEPOSES AND SAYS THAT: Oldcastle Infrastructure, Inc. (Name of proprietor or corporate name if corporation) 7000 Central Pkwy, Ste 800, Atlanta, GA 30328 (Address of proprietor or parent corporate name, if any) IS/ARE DOING BUSINESS IN EFFINGHAM COUNTY, GEORGIA UNDER THE NAME OF: TRADE NAME: Diamond Concrete Products ADDRESS: 881 Hodgeville Rd Guyton, GA 31312 (Trade Name address in Effingham County) AND THAT THE NATURE OF THE BUSINESS TO BE CARRIED ON IS: The manufacture, distribution and sale of reinforced concrete pipe TIM P. GEORGE Assistant Secretary Signature of Person making declaration SWORN TO AND SUBSCRIBED BEFORE ME THIS 8th DAY OF OCTOBER, 2025 JENNIFER PARKS Notary Public or Deputy Clerk 22760 11/12/25 RL