MPLX insider transactions

Director Walker Ray N Jr was granted 2,247 units of Common Units, increasing direct ownership by 129% to 3,991 units (SEC Form 4)

Director Surma John P was granted 2,580 units of Common Units, increasing direct ownership by 3% to 91,770 units (SEC Form 4)

Director Stice J Michael was granted 2,580 units of Common Units, increasing direct ownership by 5% to 55,875 units (SEC Form 4)

Director Semple Frank M was granted 2,580 units of Common Units, increasing direct ownership by 4% to 60,752 units (SEC Form 4)

Director Peiffer Garry L. was granted 2,247 units of Common Units, increasing direct ownership by 4% to 66,319 units (SEC Form 4)

Director Helms Christopher A was granted 2,247 units of Common Units, increasing direct ownership by 3% to 82,998 units (SEC Form 4)

Director Breves Christine S was granted 2,247 units of Common Units, increasing direct ownership by 19% to 14,084 units (SEC Form 4)

SEC Form 3 filed by new insider Brzezinski Erin M

Chairman, President & CEO Mannen Maryann T. was granted 52,817 units of Common Units and covered exercise/tax liability with 13,220 units of Common Units, increasing direct ownership by 31% to 165,459 units (SEC Form 4)

Senior VP, Log. & Storage Lyon Shawn M covered exercise/tax liability with 2,751 units of Common Units and was granted 5,986 units of Common Units, increasing direct ownership by 13% to 28,289 units (SEC Form 4)

Director Khoury Maria A was granted 8,451 units of Common Units (SEC Form 4)

Exec VP & Chief Fin Ofc Hagedorn Carl Kristopher was granted 4,930 units of Common Units and covered exercise/tax liability with 2,001 units of Common Units, increasing direct ownership by 17% to 20,409 units (SEC Form 4)

Exec. VP and COO Floerke Gregory Scott was granted 5,986 units of Common Units and covered exercise/tax liability with 2,892 units of Common Units, increasing direct ownership by 3% to 95,337 units (SEC Form 4)

Chief Legal Ofc & Corp Sec Benson Molly R was granted 8,803 units of Common Units and covered exercise/tax liability with 2,852 units of Common Units, increasing direct ownership by 15% to 46,114 units (SEC Form 4)

Director Walker Ray N Jr was granted 32 units of Common Units, increasing direct ownership by 2% to 1,744 units (SEC Form 4)

Director Surma John P was granted 1,505 units of Common Units, increasing direct ownership by 2% to 89,190 units (SEC Form 4)

Director Stice J Michael was granted 982 units of Common Units, increasing direct ownership by 2% to 53,295 units (SEC Form 4)

Director Semple Frank M was granted 1,072 units of Common Units, increasing direct ownership by 2% to 58,172 units (SEC Form 4)

Director Peiffer Garry L. was granted 1,181 units of Common Units, increasing direct ownership by 2% to 64,072 units (SEC Form 4)

Director Helms Christopher A was granted 1,285 units of Common Units, increasing direct ownership by 2% to 80,751 units (SEC Form 4)

Director Breves Christine S was granted 218 units of Common Units, increasing direct ownership by 2% to 11,837 units (SEC Form 4)

New insider Khoury Maria A claimed no ownership of stock in the company (SEC Form 3)

SEC Form 4 filed by MPLX LP

Exec. VP and COO Floerke Gregory Scott covered exercise/tax liability with 242 units of Common Units, decreasing direct ownership by 0.26% to 92,243 units (SEC Form 4)

Executive Chairman Hennigan Michael J covered exercise/tax liability with 1,335 units of Common Units, decreasing direct ownership by 0.37% to 359,137 units (SEC Form 4)

Chief Legal Ofc & Corp Sec Benson Molly R covered exercise/tax liability with 306 units of Common Units, decreasing direct ownership by 0.76% to 40,163 units (SEC Form 4)

Director Walker Ray N Jr was granted 34 units of Common Units, increasing direct ownership by 2% to 1,712 units (SEC Form 4)

Director Surma John P was granted 1,590 units of Common Units, increasing direct ownership by 2% to 87,685 units (SEC Form 4)

Director Stice J Michael was granted 1,037 units of Common Units, increasing direct ownership by 2% to 52,313 units (SEC Form 4)

Director Semple Frank M was granted 1,132 units of Common Units, increasing direct ownership by 2% to 57,101 units (SEC Form 4)

Director Peiffer Garry L. was granted 1,247 units of Common Units, increasing direct ownership by 2% to 62,892 units (SEC Form 4)

Director Helms Christopher A was granted 1,358 units of Common Units, increasing direct ownership by 2% to 79,466 units (SEC Form 4)

Director Breves Christine S was granted 230 units of Common Units, increasing direct ownership by 2% to 11,619 units (SEC Form 4)

Director Walker Ray N Jr was granted 1,678 units of Common Units (SEC Form 4)

New insider Walker Ray N Jr claimed no ownership of stock in the company (SEC Form 3)

Director Surma John P was granted 1,475 units of Common Units, increasing direct ownership by 2% to 86,095 units (SEC Form 4)

Director Stice J Michael was granted 962 units of Common Units, increasing direct ownership by 2% to 51,276 units (SEC Form 4)

Director Semple Frank M was granted 1,051 units of Common Units, increasing direct ownership by 2% to 55,968 units (SEC Form 4)

Director Peiffer Garry L. was granted 1,157 units of Common Units, increasing direct ownership by 2% to 61,645 units (SEC Form 4)

Director Helms Christopher A was granted 1,260 units of Common Units, increasing direct ownership by 2% to 78,108 units (SEC Form 4)

Director Breves Christine S was granted 214 units of Common Units, increasing direct ownership by 2% to 11,389 units (SEC Form 4)

Director Surma John P was granted 1,390 units of Common Units, increasing direct ownership by 2% to 84,620 units (SEC Form 4)

Director Stice J Michael was granted 907 units of Common Units, increasing direct ownership by 2% to 50,313 units (SEC Form 4)

Director Semple Frank M was granted 990 units of Common Units, increasing direct ownership by 2% to 54,918 units (SEC Form 4)

Director Peiffer Garry L. was granted 1,090 units of Common Units, increasing direct ownership by 2% to 60,488 units (SEC Form 4)

Director Helms Christopher A was granted 1,187 units of Common Units, increasing direct ownership by 2% to 76,849 units (SEC Form 4)

Director Breves Christine S was granted 201 units of Common Units, increasing direct ownership by 2% to 11,175 units (SEC Form 4)

Director Surma John P was granted 2,848 units of Common Units, increasing direct ownership by 4% to 83,229 units (SEC Form 4)

Director Stice J Michael was granted 2,848 units of Common Units, increasing direct ownership by 6% to 49,406 units (SEC Form 4)

Director Semple Frank M was granted 2,848 units of Common Units, increasing direct ownership by 6% to 53,928 units (SEC Form 4)

Director Peiffer Garry L. was granted 2,481 units of Common Units, increasing direct ownership by 4% to 59,397 units (SEC Form 4)

Director Helms Christopher A was granted 2,481 units of Common Units, increasing direct ownership by 3% to 75,661 units (SEC Form 4)

Director Breves Christine S was granted 2,481 units of Common Units, increasing direct ownership by 29% to 10,974 units (SEC Form 4)

Director Surma John P was granted 220 units of Common Units, increasing direct ownership by 0.28% to 80,381 units (SEC Form 4)

Director Semple Frank M was granted 220 units of Common Units, increasing direct ownership by 0.43% to 51,079 units (SEC Form 4)

Director Stice J Michael was granted 220 units of Common Units, increasing direct ownership by 0.48% to 46,558 units (SEC Form 4)

Director Peiffer Garry L. was granted 192 units of Common Units, increasing direct ownership by 0.34% to 56,916 units (SEC Form 4)

Director Helms Christopher A was granted 192 units of Common Units, increasing direct ownership by 0.26% to 73,180 units (SEC Form 4)

Director Breves Christine S was granted 192 units of Common Units, increasing direct ownership by 2% to 8,493 units (SEC Form 4)

Senior VP, Log. & Storage Lyon Shawn M bought $211,000 worth of Common Units (4,000 units at $52.75), increasing direct ownership by 19% to 25,299 units (SEC Form 4)