Material Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549     FORM 8-K     CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 August 22, 2025 ( August 20, 2025 ) Date of Report (Date of earliest event reported)     Canadian Pacific Kansas City Limited (Exact name of registrant as specified in its charter)       Canada   001-01342   98-0355078 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.) 7550 Ogden Dale Road S.E. , Calgary , Alberta , Canada , T2C 4X9 (Address of principal executive offices) (Zip Code) ( 403 ) 319-7000 Registrant’s telephone number, including area code Not Applicable (Former name or former address, if changed since last report.)     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)   ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)   ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))   ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Shares, without par value, of Canadian Pacific Kansas City Limited   CP   New York Stock Exchange Common Shares, without par value, of Canadian Pacific Kansas City Limited   CP   Toronto Stock Exchange Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company   CP40   New York Stock Exchange Perpetual 4% Consolidated Debenture Stock of Canadian Pacific Railway Company   BC87   London Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐       ITEM 1.01. Entry into a Material Definitive Agreement. On August 20, 2025, Canadian Pacific Railway Company (“CPRC”), a wholly owned subsidiary of Canadian Pacific Kansas City Limited (the “Registrant”), and the Registrant entered into a first amending agreement, dated as of August 20, 2025 (the “First Amending Agreement”), which amends the third amended and restated credit agreement, dated as of June 25, 2024 (the “Third Amended and Restated Credit Agreement”), among CPRC, as borrower, the Registrant, as covenantor, Bank of Montreal, as administrative agent, and the various lenders party thereto. The First Amending Agreement amends the Third Amended and Restated Credit Agreement to provide for, among other things, the extension of the 5 Year Maturity Date (as such term is defined in the Third Amended and Restated Credit Agreement) from June 25, 2029 to June 25, 2030 for the 5 Year Facility (as such term is defined in the Third Amended and Restated Credit Agreement) and the extension of the 2 Year Maturity Date (as such term is defined in the Third Amended and Restated Credit Agreement) from June 25, 2026 to June 25, 2027 for the 2 Year Facility (as such term is defined in the Third Amended and Restated Credit Agreement). The foregoing description of the First Amending Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the First Amending Agreement, which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.   ITEM 9.01. Financial Statements and Exhibits. (d) Exhibits   Exhibit No.    Exhibit Description Exhibit 10.1    First Amending Agreement, dated as of August 20, 2025, among Canadian Pacific Railway Company, as Borrower, Canadian Pacific Kansas City Limited, as Covenantor, Bank of Montreal, as Administrative Agent, and various Lenders party thereto. Exhibit 104    Cover Page Interactive Data File (embedded within the Inline XBRL document).   SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.   Dated: August 22, 2025           CANADIAN PACIFIC KANSAS CITY LIMITED         By:   /s/ Tyler Robinson         Name:   Tyler Robinson         Title:   General Counsel & Assistant Corporate Secretary