IBP: Material agreement · New financial obligation · Company disclosure

Item 1.01 Entry into a Material Definitive Agreement On October 27, 2026, Installed Building Products, Inc., a Delaware corporation (the “Company”), and certain of its affiliates entered into Amendment No. 5 to Term Loan Credit Agreement (the “Fifth Amendment”) with Royal Bank of Canada, as term administrative agent, term collateral agent and 2026 incremental term lender, which amends the existing Term Loan Credit Agreement, dated as of December 14, 2021, by and among the Company, Royal Bank of Canada, as term administrative agent and term collateral agent and the lenders party thereto (as amended by Amendment No. 1 to Term Loan Credit Agreement, dated as of April 28, 2023, and as further amended by Amendment No. 2 to Term Loan Credit Agreement, dated as of August 14, 2023, and as further amended by Amendment No. 3 to Term Loan Credit Agreement, dated as of March 28, 2024, and as further amended by Amendment No. 4 to Term Loan Credit Agreement, dated as of November 26, 2024, the “Existing Credit Agreement”). RBC Capital Markets acted as lead left arranger and bookrunner and JPMorgan Chase Bank, N.A., BofA Securities, Inc., Goldman Sachs Bank USA, The Huntington National Bank, KeyBanc Capital Markets Inc., PNC Capital Markets LLC, StoneX Financial Inc., and U.S. Bank National Association acted as joint lead arrangers and bookrunning managers, for the Fifth Amendment. Some of the joint lead arrangers, lenders and their respective affiliates have engaged in, and may in the future engage in, banking and other commercial dealings in the ordinary course of business with the Company or its affiliates. The Fifth Amendment provides for $250 million of incremental term loans (the “2026 Incremental Term Loans”) as an increase to the Company’s existing Tranche B-3 Term Loans under