Imperial Oil Limited

Item 7.01 Regulation FD Disclosure On May 4, 2026, John Whelan, Imperial Oil Limited’s (the “company”) chairman, president and chief executive officer, gave a presentation at the company’s annual general meeting held virtually (the “presentation”) that included an update on the company’s current operations and major projects. The presentation included information related to the company’s strategic plans, goals, growth initiatives and outlook. A broadcast of the presentation will be available online on the company’s website at https://www.imperialoil.ca/en-CA/Investors/Investor-relations/Speeches-and-presentations for a period of one year. The slides used in the presentation are attached as Exhibit 99.1 to this Current Report and are incorporated herein by reference. The presentation contains forward-looking statements about the company’s relative business outlook. These forward-looking statements and all other statements contained in or made during the presentation are subject to risks and uncertainties that may materially affect actual results. A more thorough discussion of certain risks, uncertainties and other factors that may affect the company is included in the presentation, the company’s Annual Report on Form 10-K for the fiscal year ended Dec... The presentation may contain references to non-proved resources and production outlooks based on non-proved resources that the SEC’s rules prohibit the company from including in its filings with the SEC. U.S. investors are urged to consider closely the disclosures in the company’s Form 10-K. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. The following exhibit is furnished as part of this report on Form 8-K: 99.1 A copy of the slides presented during the presentation. 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. IMPERIAL OIL LIMITED Date: May 4, 2026 By: /s/ Ian Laing Name: Ian Laing Title: Vice-president, general counsel and corporate secretary By: /s/ Cathryn Walker Name: Cathryn Walker Title: Assistant corporate secretary