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Marathon Petroleum Corp

For the period ended Dec 31, 2025. Filed Feb 26, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 26, 2026

MPC$389.55-0.1%Stored close · as of Nov 10, 2026

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Contents

23. Accumulated Other Comprehensive Income (Loss)

  1. Accumulated Other Comprehensive Income (Loss)

The following table shows the changes in accumulated other comprehensive income (loss) by component. Amounts in parentheses indicate debits.

(Millions of dollars)Pension BenefitsOther BenefitsOtherTotal
Balance as of December 31, 2022$(163)$165$—$2
Other comprehensive income (loss) before reclassifications, net of tax of $(22)(60)(21)2(79)
Amounts reclassified from accumulated other comprehensive loss:
Amortization of prior service credit(a)(45)(22)—(67)
Amortization of actuarial gain(a)(5)——(5)
Settlement gain(a)(1)——(1)
Other——(1)(1)
Tax effect137—20
Other comprehensive income (loss)(98)(36)1(133)
Balance as of December 31, 2023(261)1291(131)
Other comprehensive income (loss) before reclassifications, net of tax of $164410(2)52
Amounts reclassified from accumulated other comprehensive loss:
Amortization of prior service credit(a)(33)(22)—(55)
Amortization of actuarial loss(a)6——6
Settlement loss(a)3——3
Tax effect65—11
Other comprehensive income (loss)26(7)(2)17
Balance as of December 31, 2024(235)122(1)(114)
Other comprehensive income (loss) before reclassifications, net of tax of $519(1)(1)17
Amounts reclassified from accumulated other comprehensive loss:
Amortization of prior service credit(a)(9)(22)—(31)
Amortization of actuarial loss(a)17——17
Settlement loss(a)2——2
Other——11
Tax effect(3)6—3
Other comprehensive income (loss)26(17)—9
Balance as of December 31, 2025$(209)$105$(1)$(105)

(a)These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. See Note 24.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.