MPLX Director J. Michael Stice Receives 3,028.941-Share Award

What Happened

• J. Michael Stice, a director of MPLX GP LLC (the general partner of MPLX LP), received an equity award of 3,028.941 shares on April 30, 2026. The shares were reported as granted at $0.00, giving a reported transaction value of $0.00. The filing is an amended Form 4 to reflect the correct award amount.

Key Details

• Transaction date and price: April 30, 2026 — 3,028.941 shares granted at $0.00.
• Reported value: $0.00 (Form 4 lists the grant price as $0.00).
• Ownership after transaction: the filing notes a corrected beneficial-ownership balance as of April 30, 2026 (see footnote F3); the precise post-transaction total is shown in the full filing.
• Footnotes: F1 = this was the reporting person’s 2026 annual equity retainer; F2 = Form 4 amended to correct the retainer amount; F3 = corrected beneficial ownership balance as of Apr 30, 2026.
• Filing timeliness: the amended Form 4 was filed Aug 5, 2026 (over three months after the Apr 30 grant); the amendment was made to correct the reported award amount.

Context

• This was an equity retainer grant to a director (not a market purchase or sale). Such awards are common compensation to align directors with shareholders; they do not, by themselves, indicate a decision to buy or sell shares in the open market. The reporting person serves as a director of MPLX GP LLC, which manages the issuer.