WAB: Material agreement · New financial obligation

Item 1.01. Entry into a Material Definitive Agreement. On November 4, 2026, Westinghouse Air Brake Technologies Corporation (the “Company”) completed a public offering and sale of $500,000,000 aggregate principal amount of the Company’s 5.900% Senior Notes due 2037 (the “Notes”). The offering and sale of the Notes was made pursuant to the Company’s existing shelf registration statement on Form S-3 (File No. 333-299570) filed with the Securities and Exchange Commission (the “SEC”) on October 21, 2026 (the “Registration Statement”). The Notes were issued pursuant to the Indenture, dated as of August 8, 2013 (the “Base Indenture”), by and between the Company and Computershare Trust Company, National Association (as successor to Wells Fargo Bank, National Association), as trustee (the “Base Indenture Trustee”), as amended and supplemented by the second supplemental indenture, dated as of November 3, 2016 (the “Second Supplemental Indenture”), among the Company, the subsidiary guarantors party thereto and the Base Indenture Trustee, and as further amended and supplemented by the fifteenth supplemental indenture, dated as of November 4, 2026 (the “Fifteenth Supplemental Indenture” and, together with the Base Indenture and the Second Supplemental Indenture, the “Indenture”), among the Company, the subsidiary guarantors party thereto, the Base Indenture Trustee, and U.S. Bank Trust Company, National Association, as trustee for the Notes (the “Notes Trustee”). The Notes will bear interest at 5.900% per year and will mature on February 25, 2037. Interest on the Notes is payable semi-annually on February 25 and August 25 of each year, commencing on February 25, 2027. At any time prior to the Par Call Date (as defined below), the Company may redeem the Notes, in whole or in part, b