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MPLX LP

For the period ended Sep 30, 2025. Filed Nov 4, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 4, 2025

MPLX$56.71-0.2%Stored close · as of Nov 10, 2026

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Unregistered Sales of Equity Securities and Use of Proceeds

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table sets forth a summary of our purchases during the quarter ended September 30, 2025, of equity securities that are registered by MPLX pursuant to Section 12 of the Exchange Act.

Millions of Dollars
PeriodTotal Number of Common Units PurchasedAverage PricePaid perCommon Unit(1)Total Number of Common Units Purchased as Part of Publicly Announced Plans or ProgramsMaximum Dollar Value of Common Units that May Yet Be Purchased Under the Plans or Programs(2)(3)
7/1/2025-7/31/2025518,089$50.96518,089$294
8/1/2025-8/31/2025250,05051.19250,0501,281
9/1/2025-9/30/20251,197,98750.751,197,9871,220
Total1,966,12650.861,966,126

(1)Amounts in this column reflect the weighted average price paid for units purchased under our unit repurchase authorization. The weighted average price includes any commissions paid to brokers during the relevant period.

(2)On August 2, 2022, we announced a board authorization for the repurchase of up to $1.0 billion of MPLX common units held by the public. On August 5, 2025, we announced a board authorization for the repurchase of up to an incremental $1.0 billion of MPLX common units held by the public. These unit repurchase authorizations have no expiration date.

(3)The maximum dollar value remaining has been reduced by the amount of any commissions paid to brokers.

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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.