| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| MPLX | Director | Aug 09, 2019 | Buy | $27.30 | 18,800 | 513,259 | 68,497 | Aug 13, 2019, 08:26 AM |
| MPLX | Director | Aug 07, 2019 | Buy | $27.15 | 18,000 | 488,646 | 49,697 | Aug 09, 2019, 11:55 AM |
| MPC | Executive VP (See Remarks) | Jan 02, 2014 | Option Exercise | $90.33 | 9,247 | 835,282 | 38,492 | Jan 06, 2014, 03:22 PM |
| MPLX | President | Jan 02, 2014 | Option Exercise | $43.13 | 4,509 | 194,473 | 31,697 | Jan 06, 2014, 02:48 PM |
| MPC | Executive VP (See Remarks) | Dec 05, 2013 | Option Exercise | $84.11 | 107 | 9,000 | 40,171 | Dec 09, 2013, 12:45 PM |
| MPC | Executive VP (See Remarks) | Jul 01, 2013 | Option Exercise | $71.35 | 1,835 | 130,927 | 40,278 | Jul 03, 2013, 01:36 PM |
| MPC | Executive VP (See Remarks) | Mar 01, 2013 | Option Exercise | $83.68 | 1,193 | 99,830 | 42,113 | Mar 05, 2013, 01:22 PM |
| MPC | Executive VP (See Remarks) | Feb 25, 2013 | Option Exercise | $81.09 | 1,305 | 105,822 | 35,570 | Feb 27, 2013, 01:27 PM |
| MPC | Executive VP (See Remarks) | Dec 05, 2012 | Option Exercise | $58.69 | 95 | 5,576 | 36,875 | Dec 07, 2012, 02:32 PM |
| MPLX | President | Oct 31, 2012 | Buy | $22.00 | 26,500 | 583,000 | 26,500 | Nov 02, 2012, 04:49 PM |
| MPC | Executive VP (See Remarks) | Jul 02, 2012 | Option Exercise | $45.70 | 1,627 | 74,354 | 36,970 | Jul 05, 2012, 03:34 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| MPLX | Director | Aug 09, 2019 | Buy | 513,259 |
| MPLX | Director | Aug 07, 2019 | Buy | 488,646 |
| MPC | Executive VP (See Remarks) | Jan 02, 2014 | Option Exercise | 835,282 |
| MPLX | President | Jan 02, 2014 | Option Exercise | 194,473 |
| MPC | Executive VP (See Remarks) | Dec 05, 2013 | Option Exercise | 9,000 |
| MPC | Executive VP (See Remarks) | Jul 01, 2013 | Option Exercise | 130,927 |
| MPC | Executive VP (See Remarks) | Mar 01, 2013 | Option Exercise | 99,830 |
| MPC | Executive VP (See Remarks) | Feb 25, 2013 | Option Exercise | 105,822 |
| MPC | Executive VP (See Remarks) | Dec 05, 2012 | Option Exercise | 5,576 |
| MPLX | President | Oct 31, 2012 | Buy | 583,000 |
| MPC | Executive VP (See Remarks) | Jul 02, 2012 | Option Exercise | 74,354 |