Phillips 66 2025年度报告

FORM 11-K (Mark One) ☒ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the fiscal year endedDecember 31, 2025 or TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 For the transition period fromto Commission file number001-35349 Phillips 66 Savings Plan(Full title of the Plan) Phillips 66(Name of issuer of securities) 2331 CityWest Blvd. FINANCIAL STATEMENTS AND EXHIBITS (a) Financial Statements Financial statements of the Phillips 66 Savings Plan, filed as part of this annual report, are listed in the accompanying index. (b) Exhibits Exhibit 23.1Consent of Independent Registered Public Accounting Firm SIGNATURES The Plan. Pursuant to the requirements of the Securities Exchange Act of 1934, the Phillips 66 Benefits Committee has dulycaused this annual report to be signed on its behalf by the undersigned hereunto duly authorized. June 22, 2026 Index to Financial Statements and Schedule Phillips 66 Savings Plan Report of Independent Registered Public Accounting Firm Financial StatementsStatements of Net Assets Available for Benefits at December 31, 2025 and 2024Statement of Changes in Net Assets Available for Benefits for the Year Ended December 31, 2025Notes to Financial Statements Supplemental ScheduleSchedule H, Line 4i — Schedule of Assets (Held at End of Year) as of December 31, 202515 Report of Independent Registered Public Accounting Firm To the Plan Participants and the Plan Administrators of Phillips 66 Savings Plan Opinion on the Financial Statements We have audited the accompanying statements of net assets available for benefits of Phillips 66 Savings Plan (the Plan) as ofDecember 31, 2025 and 2024, and the related statement of changes in net assets available for benefits for the year ended December31, 2025, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statementspresent fairly, in all material respects, the net assets available for benefits of the Plan at December 31, 2025 and 2024, and thechanges in its net assets available for benefits for the year ended December 31, 2025, in conformity with U.S. generally acceptedaccounting principles. Basis for Opinion These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion on the Plan’sfinancial statements based on our audits. We are a public accounting firm registered with the Public Company AccountingOversight Board (United States) (PCAOB) and are required to be independent with respect to the Plan in accordance with the U.S.federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB. We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform theaudit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to erroror fraud. The Plan is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting.As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the purposeof expressing an opinion on the effectiveness of the Plan’s internal control over financial reporting. Accordingly, we express nosuch opinion. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due toerror or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidenceregarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principlesused and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. Webelieve that our audits provide a reasonable basis for our opinion. Supplemental Schedule Required by ERISA The accompanying supplemental schedule of assets (held at end of year) as of December 31, 2025 (referred to as the “supplementalschedule”), has been subjected to audit procedures performed in conjunction with the audit of the Plan’s financial statements. Theinformation in the supplemental schedule is the responsibility of the Plan’s management. Our audit procedures includeddetermining whether the information reconciles to the financial statements or the underlying accounting and other records, asapplicable, and performing procedures to test the completeness and accuracy of the information presented in the supplementalschedule. In forming our opinion on the information, we evaluated whether such information, including its form and content, ispresented in conformity with the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the EmployeeRetirement Income Security Act of 1974. In our opinion, the informati