FORM 10-Q (Mark one)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June30, 2026 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35914 MURPHY USA INC. (870) 875-7600(Registrant's telephone number, including area code) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90days.☑Yes☐No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of RegulationS-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).☑Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerginggrowth company.See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of theExchange Act. Large accelerated filer☑Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐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 revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).☐Yes☑No Number of shares of Common Stock, $0.01 par value, outstanding at June30, 2026 was 18,380,347. MURPHY USA INC.TABLE OF CONTENTS Part I – Financial Information Item 1.Financial Statements (Unaudited) Consolidated Balance Sheets as of June 30, 2026 (unaudited) and December 31, 20252Consolidated Statements of Income for the three and six months ended June 30, 2026 and 2025 (unaudited)3Consolidated Statements of Cash Flows for the six months ended June 30, 2026 and 2025 (unaudited)4Consolidated Statements of Changes in Equity for the three and six months ended June 30, 2026 and 2025 (unaudited)5Notes to Consolidated Financial Statements (unaudited)7Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations29Item 3. Quantitative and Qualitative Disclosures About Market Risk43Item 4. Controls and Procedures44Part II – Other InformationItem 1. Legal Proceedings45Item 1A. Risk Factors45Item 2. Unregistered Sales of Equity Securities and Use of Proceeds45Item 5. Other Information45Item 6. Exhibits45Signatures46 Murphy USA Inc.Consolidated Statements of Cash Flows(unaudited) Murphy USA Inc.Consolidated Statements of Changes in Equity(unaudited) Murphy USA Inc.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS(unaudited) Note1 — Description of Business and Basis of Presentation Description of business— Murphy USA Inc. and its consolidated subsidiaries (“Murphy USA”, "we", "our", "us", or the “Company”)markets refined products through a network of retail gasoline stores and to unbranded wholesale customers. The Company owns andoperates a chain of retail stores under the brand names of Murphy USAand Murphy Express, most of which are located in closeproximity to Walmart stores, and also has a mix of convenience stores with and without retail gasoline that operate under the brandname of QuickChek . At June30, 2026, the Company had a total of 1,806 Company stores of which 1,659 were branded as Murphyand 147 were the QuickChek brand. The Company also has certain fuel supply assets, including product distribution terminals andpipeline positions.®® Basis of Presentation— Murphy USA was incorporated in March 2013 and, in connection with its incorporation, Murphy USA issued100 shares of common stock, par value $0.01 per share, to Murphy Oil Corporation (“Murphy Oil”) for $1.00. On August 30, 2013,Murphy USA was separated from Murphy Oil through the distribution of 100% of the common stock of Murphy USA to holders ofMurphy Oil stock.Murphy USA Inc., Murphy Oil USA, Inc. and its subsidiaries operate on a calendar year basis. In preparing the financial statements of Murphy USA in conformity with accounting principles generally accepted in the United States,management has made a number of estimates and assumptions related to the reporting of assets, liabilities, revenues, expenses andthe disclosure of contingent assets and liabilities. Actual results may differ from these estimates. The Company does not have anycomponents of comprehensive income; therefore, comprehensive income is equal to net income (loss) reported in the ConsolidatedStatements of Income f