401k Record

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Marathon Petroleum 401(k)

Administrative expenses excluding investment management, per participant · Marathon Petroleum Thrift Plan · plan year 2024

$64.25

Higher than 76% of the 1,045 plans over $1B that report it.

Source

= $1,774,135 / 27,613
derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20251002091339NAL0000177619001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002091339NAL0000177619001, received 2025-10-02

10th: $9.43median $44.4790th: $97.55

Percentiles compare this plan with the Schedule H plans over $1B in assets of the same plan year, excluding final filings; shown only where at least 50 comparable plans report the figure. Plan year 2024-01-01 to 2024-12-31, filing received 2025-10-02.

Cost and contributions

Recordkeeping fees per participant

not reported

Not reported on this filing.

Administrative expenses per participant

$64.25

10th: $24.33median $70.0390th: $174.36

Higher than 46% of the 1,076 plans over $1B that report it.

Source

= $1,774,135 / 27,613
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251002091339NAL0000177619001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002091339NAL0000177619001, received 2025-10-02

Administrative expenses as a share of assets

0.021%

10th: 0.013%median 0.046%90th: 0.111%

Higher than 19% of the 1,076 plans over $1B that report it.

Source

= $1,774,135 / $8,325,133,144
Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251002091339NAL0000177619001, received 2025-10-02
assets_eoy: Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20251002091339NAL0000177619001, received 2025-10-02

Employer contributions per participant

$6,529

10th: $1,442median $3,74490th: $8,760

Higher than 80% of the 1,135 plans over $1B that report it.

Source

= $180,274,647 / 27,613
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251002091339NAL0000177619001, received 2025-10-02
participants_with_balance: Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002091339NAL0000177619001, received 2025-10-02

Employer share of total contributions

34.3%

10th: 19.8%median 33.4%90th: 47.5%

Higher than 54% of the 1,135 plans over $1B that report it.

Source

= $180,274,647 / $525,745,972
Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251002091339NAL0000177619001, received 2025-10-02
total_contrib: Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20251002091339NAL0000177619001, received 2025-10-02

Plan terms, as stated in Marathon Petroleum Corporation's SEC filings

Employer match

“The Company makes matching contributions on eligible participant contributions up to a maximum of 6% of eligible pay at the rate of $1.17 per dollar contributed.”

Form 11-K filed 2026-06-25, for the year ended 2025-12-31 · plan description note, contributions · source document

Vesting

“Participants are fully and immediately vested in their contributions and Company matching contributions made on or after January 1, 2016, plus actual earnings thereon.”

Form 11-K filed 2026-06-25, for the year ended 2025-12-31 · plan description note, vesting · source document

Automatic enrollment

“Effective April 8, 2024, newly hired and rehired eligible employees are automatically enrolled in the Plan, unless they affirmatively opt-out of making contributions.”

Form 11-K filed 2026-06-25, for the year ended 2025-12-31 · plan description note, general · source document

Terms quoted from the filing for the year ended 2025-12-31. Figures cover plan year 2024. The plan document governs.

Plan features

2E profit-sharing · 2F ERISA 404(c) plan · 2G fully participant-directed · 2J 401(k) feature · 2K 401(m) arrangement · 2R participant brokerage window · 2T default investment (QDIA) · 3F · 3H controlled-group sponsor · Form 5500, line 8a; TYPE_PENSION_BNFT_CODE pos 81; filing 20251002091339NAL0000177619001, received 2025-10-02

Full record, Marathon Petroleum Thrift Plan

FieldValueSource
Plan sponsorMARATHON PETROLEUM COMPANY LPForm 5500, Part II line 2a; SPONSOR_DFE_NAME pos 19; filing 20251002091339NAL0000177619001, received 2025-10-02
Plan nameMARATHON PETROLEUM THRIFT PLANForm 5500, line 1a; PLAN_NAME pos 16; filing 20251002091339NAL0000177619001, received 2025-10-02
Sponsor EIN / plan number31-1537655 / 010Form 5500, line 2b; SPONS_DFE_EIN pos 44; filing 20251002091339NAL0000177619001, received 2025-10-02
Plan typesingle-employerForm 5500, Part I line A; TYPE_PLAN_ENTITY_CD pos 4; filing 20251002091339NAL0000177619001, received 2025-10-02
Sponsor locationFINDLAY, OHForm 5500, line 2a; SPONS_DFE_MAIL_US_STATE pos 25; filing 20251002091339NAL0000177619001, received 2025-10-02
Industry (business code)324110, ManufacturingForm 5500, line 2d; BUSINESS_CODE pos 46; filing 20251002091339NAL0000177619001, received 2025-10-02
Plan year2024-01-01 to 2024-12-31Form 5500, Part I plan year; FORM_PLAN_YEAR_BEGIN_DATE pos 2; filing 20251002091339NAL0000177619001, received 2025-10-02
Filing received2025-10-02Form 5500, EFAST2 receipt date; DATE_RECEIVED pos 102; filing 20251002091339NAL0000177619001, received 2025-10-02
Final filingnoForm 5500, Part I line B; FINAL_FILING_IND pos 8; filing 20251002091339NAL0000177619001, received 2025-10-02
Amended filingnoForm 5500, Part I line B; AMENDED_IND pos 7; filing 20251002091339NAL0000177619001, received 2025-10-02
Participants, beginning of year28,940Form 5500, line 5; TOT_PARTCP_BOY_CNT pos 71; filing 20251002091339NAL0000177619001, received 2025-10-02
Active participants18,320Form 5500, line 6a(2); TOT_ACTIVE_PARTCP_CNT pos 72; filing 20251002091339NAL0000177619001, received 2025-10-02
Participants, end of year28,057Form 5500, line 6f; TOT_ACT_RTD_SEP_BENEF_CNT pos 77; filing 20251002091339NAL0000177619001, received 2025-10-02
Participants with an account balance27,613Form 5500, line 6g(2); PARTCP_ACCOUNT_BAL_CNT pos 78; filing 20251002091339NAL0000177619001, received 2025-10-02
Total assets, beginning of year$7,514,568,027Schedule H, Part I line 1f col (a); TOT_ASSETS_BOY_AMT pos 30; filing 20251002091339NAL0000177619001, received 2025-10-02
Total assets, end of year$8,325,133,144Schedule H, Part I line 1f col (b); TOT_ASSETS_EOY_AMT pos 61; filing 20251002091339NAL0000177619001, received 2025-10-02
Net assets, end of year$8,325,133,144Schedule H, line 1l col (b); NET_ASSETS_EOY_AMT pos 67; filing 20251002091339NAL0000177619001, received 2025-10-02
Total income$1,533,824,725Schedule H, Part II line 2d; TOT_INCOME_AMT pos 97; filing 20251002091339NAL0000177619001, received 2025-10-02
Net income$810,565,117Schedule H, line 2k; NET_INCOME_AMT pos 111; filing 20251002091339NAL0000177619001, received 2025-10-02
Employer contributions$180,274,647Schedule H, Part II line 2a(1)(A); EMPLR_CONTRIB_INCOME_AMT pos 68; filing 20251002091339NAL0000177619001, received 2025-10-02
Participant contributions$287,240,400Schedule H, line 2a(1)(B); PARTICIPANT_CONTRIB_AMT pos 69; filing 20251002091339NAL0000177619001, received 2025-10-02
Other contributions (incl. rollovers)$58,230,925Schedule H, line 2a(1)(C); OTH_CONTRIB_RCVD_AMT pos 70; filing 20251002091339NAL0000177619001, received 2025-10-02
Total contributions$525,745,972Schedule H, line 2a(3); TOT_CONTRIB_AMT pos 72; filing 20251002091339NAL0000177619001, received 2025-10-02
Benefit payments$721,485,473Schedule H, line 2e(4); TOT_DISTRIB_BNFT_AMT pos 101; filing 20251002091339NAL0000177619001, received 2025-10-02
Total expenses (incl. benefit payments)$723,259,608Schedule H, line 2j; TOT_EXPENSES_AMT pos 110; filing 20251002091339NAL0000177619001, received 2025-10-02
Total administrative expenses$1,774,135Schedule H, line 2i(12) total administrative expenses; TOT_ADMIN_EXPENSES_AMT pos 109; filing 20251002091339NAL0000177619001, received 2025-10-02
Administrative expenses excluding investment management$1,774,135derived, admin_expenses (2i(12)) minus invst_mgmt_fees (2i(5)), floored at 0; filing 20251002091339NAL0000177619001, received 2025-10-02
Held in common/collective trusts$5,409,989,104Schedule H, line 1c(9) col (b); INT_COMMON_TR_EOY_AMT pos 51; filing 20251002091339NAL0000177619001, received 2025-10-02
Held in mutual funds$1,080,663,724Schedule H, line 1c(13) col (b); INT_REG_INVST_CO_EOY_AMT pos 55; filing 20251002091339NAL0000177619001, received 2025-10-02
Independent auditorGJC CPA'S & ADVISORSSchedule H, Part III line 3a; ACCOUNTANT_FIRM_NAME pos 116; filing 20251002091339NAL0000177619001, received 2025-10-02

Position = column in the DOL layout for form year 2024. Filing 20251002091339NAL0000177619001, received 2025-10-02.

Service providers paid directly by the plan

ProviderRelationshipService codesDirect compensationIndirect
STRATEGIC ADVISORS, INCADVISOR 27 Investment advisory (plan) $1,657,003no
FIDELITY INVESTMENTS INSTITUTIONALrecordkeeperRECORDKEEPER 64 Recordkeeping fees; 25 Trustee (directed); 37 Participant loan processing; 65 Account maintenance fees; 71 Securities brokerage commissions and fees $132,139yes

Schedule C Part I line 2: name (a), service codes (b), relationship (c), direct compensation paid by the plan (d), indirect compensation received (e). Filing 20251002091339NAL0000177619001, received 2025-10-02.

What changed since the 2023 plan year

Figure20232024Change
Total assets$7,514,568,027$8,325,133,14410.8%
Participants with a balance28,35127,613-2.6%
Administrative expenses$1,993,415$1,774,135-11.0%
Recordkeeping fees per participantnot reportednot reported
Employer contributionsnot reported$180,274,647

Prior filing 20241014200824NAL0028212849001, received 2024-10-14; the plan years are contiguous.

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Sponsor name as filed: MARATHON PETROLEUM COMPANY LP; SEC registrant: Marathon Petroleum Corp (CIK 1510295, matched by 11-K plan title; display name from the Form 11-K cover).