| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MPLX | MPLX LP | Timothy T. Griffith | Vice President (See Remarks) | Feb 27, 2014 | Tax Payment (Shares) | $49.36 | 141 | 6,960 | 5,997 | Mar 03, 2014, 03:40 PM | |
| MPLX | MPLX LP | Michael G. Braddock | VP and Chief Acct. Officer | Feb 27, 2014 | Tax Payment (Shares) | $49.36 | 141 | 6,960 | 4,997 | Mar 03, 2014, 03:36 PM | |
| MPLX | MPLX LP | Pamela K.M. Beall | President | Feb 27, 2014 | Tax Payment (Shares) | $49.36 | 170 | 8,391 | 11,423 | Mar 03, 2014, 03:35 PM | |
| MPLX | MPLX LP | Garry L. Peiffer | President | Jan 02, 2014 | Tax Payment (Shares) | $43.13 | 4,509 | 194,473 | 31,697 | Jan 06, 2014, 02:48 PM | |
| MPLX | MPLX LP | C. Richard Wilson | Director | May 21, 2013 | Buy | $38.46 | 3,000 | 115,365 | 4,294 | May 23, 2013, 03:47 PM | |
| MPLX | MPLX LP | John P. Surma | Director | Oct 31, 2012 | Buy | $22.00 | 7,500 | 165,000 | 7,500 | Nov 02, 2012, 05:23 PM | |
| MPLX | MPLX LP | John P. Surma | Director | Oct 31, 2012 | Buy | $22.00 | 7,500 | 165,000 | 7,500 | Nov 02, 2012, 05:23 PM | |
| MPLX | MPLX LP | Dan D. Sandman | Director | Oct 31, 2012 | Buy | $22.00 | 24,000 | 528,000 | 24,000 | Nov 02, 2012, 05:20 PM | |
| MPLX | MPLX LP | Christopher A. Helms | Director | Oct 31, 2012 | Buy | $22.00 | 11,000 | 242,000 | 11,000 | Nov 02, 2012, 05:18 PM | |
| MPLX | MPLX LP | David A. Daberko | Director | Oct 31, 2012 | Buy | $22.00 | 10,000 | 220,000 | 10,000 | Nov 02, 2012, 05:14 PM | |
| MPLX | MPLX LP | J. Michael Wilder | VP, General Counsel & Sec | Oct 31, 2012 | Buy | $22.00 | 22,500 | 495,000 | 22,500 | Nov 02, 2012, 05:11 PM | |
| MPLX | MPLX LP | George P. Shaffner | VP and Chief Operating Officer | Oct 31, 2012 | Buy | $22.00 | 4,000 | 88,000 | 4,000 | Nov 02, 2012, 05:10 PM | |
| MPLX | MPLX LP | Craig O. Pierson | Vice President, Operations | Oct 31, 2012 | Buy | $22.00 | 3,250 | 71,500 | 3,250 | Nov 02, 2012, 05:07 PM | |
| MPLX | MPLX LP | Timothy T. Griffith | Vice President and Treasurer | Oct 31, 2012 | Buy | $22.00 | 5,000 | 110,000 | 5,000 | Nov 02, 2012, 05:03 PM | |
| MPLX | MPLX LP | Michael G. Braddock | Vice President and Controller | Oct 31, 2012 | Buy | $22.00 | 4,000 | 88,000 | 4,000 | Nov 02, 2012, 04:57 PM | |
| MPLX | MPLX LP | Pamela K.M. Beall | VP, Investor Relations | Oct 31, 2012 | Buy | $22.00 | 10,000 | 220,000 | 10,000 | Nov 02, 2012, 04:52 PM | |
| MPLX | MPLX LP | Donald C. Templin | VP and Chief Financial Officer | Oct 31, 2012 | Buy | $22.00 | 15,000 | 330,000 | 15,000 | Nov 02, 2012, 04:50 PM | |
| MPLX | MPLX LP | Garry L. Peiffer | President | Oct 31, 2012 | Buy | $22.00 | 26,500 | 583,000 | 26,500 | Nov 02, 2012, 04:49 PM | |
| MPLX | MPLX LP | Gary R. Heminger | Chief Executive Officer | Oct 31, 2012 | Buy | $22.00 | 60,000 | 1,320,000 | 60,000 | Nov 02, 2012, 04:45 PM |
