0001552000 2026-05-06 2026-05-06 0001552000 1 2026-05-06 2026-05-06 0001552000 2 2026-05-06 2026-05-06 0001552000 3 2026-05-06 2026-05-06 iso4217:USD 0001552000 EX-FILING FEES N/A S-3ASR N/A S-3 MPLX LP false false false Limited Partnership Interests Common units representing limited partner interests true Limited Partnership Interests Other classes of units representing limited partner interests true Debt Senior or subordinated debt securities true 0 0 0 0 0 <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(1) Any securities registered hereunder may be sold separately or as units with other securities registered hereunder.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(2) The Registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the Registrant will pay “pay-as-you-go registration fees” in accordance with Rule 456(b). The Registrant will calculate the registration fee applicable to an offer of securities pursuant to this Registration Statement based on the fee payment rate in effect on the date of such fee payment.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(3) An indeterminate aggregate offering price or principal amount or number of the securities is being registered as may be offered from time to time at indeterminate prices and as may be issuable upon conversion, redemption, exchange, exercise or settlement of any securities registered hereunder, including under any applicable anti-dilution provisions.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(1) Any securities registered hereunder may be sold separately or as units with other securities registered hereunder.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(2) The Registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the Registrant will pay “pay-as-you-go registration fees” in accordance with Rule 456(b). The Registrant will calculate the registration fee applicable to an offer of securities pursuant to this Registration Statement based on the fee payment rate in effect on the date of such fee payment.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(3) An indeterminate aggregate offering price or principal amount or number of the securities is being registered as may be offered from time to time at indeterminate prices and as may be issuable upon conversion, redemption, exchange, exercise or settlement of any securities registered hereunder, including under any applicable anti-dilution provisions.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(1) Any securities registered hereunder may be sold separately or as units with other securities registered hereunder.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(2) The Registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the Registrant will pay “pay-as-you-go registration fees” in accordance with Rule 456(b). The Registrant will calculate the registration fee applicable to an offer of securities pursuant to this Registration Statement based on the fee payment rate in effect on the date of such fee payment.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(3) An indeterminate aggregate offering price or principal amount or number of the securities is being registered as may be offered from time to time at indeterminate prices and as may be issuable upon conversion, redemption, exchange, exercise or settlement of any securities registered hereunder, including under any applicable anti-dilution provisions.</span></div>