| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| MEMP | VP & Chief Financial Officer | May 31, 2016 | Option Exercise | $2.10 | 916 | 1,924 | 64,392 | Jun 01, 2016, 04:41 PM |
| MEMP | VP & Chief Financial Officer | May 30, 2016 | Option Exercise | $2.11 | 1,019 | 2,150 | 65,308 | Jun 01, 2016, 04:41 PM |
| MEMP | VP & Chief Financial Officer | May 29, 2016 | Option Exercise | $2.11 | 4,577 | 9,657 | 66,327 | Jun 01, 2016, 04:41 PM |
| MEMP | VP & Chief Financial Officer | Aug 31, 2015 | Option Exercise | $7.69 | 296 | 2,276 | 70,904 | Sep 01, 2015, 05:15 PM |
| MEMP | VP & Chief Financial Officer | May 31, 2015 | Option Exercise | $14.94 | 886 | 13,237 | 71,200 | Jun 02, 2015, 06:15 PM |
| MEMP | VP & Chief Financial Officer | May 30, 2015 | Option Exercise | $14.94 | 986 | 14,731 | 72,086 | Jun 02, 2015, 06:15 PM |
| MEMP | VP, Finance | Nov 14, 2014 | Buy | $16.12 | 3,120 | 50,294 | 22,871 | Nov 17, 2014, 05:40 PM |
| MEMP | VP, Finance | Aug 31, 2014 | Option Exercise | $23.40 | 287 | 6,716 | 19,751 | Sep 02, 2014, 05:14 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| MEMP | VP & Chief Financial Officer | May 31, 2016 | Option Exercise | 1,924 |
| MEMP | VP & Chief Financial Officer | May 30, 2016 | Option Exercise | 2,150 |
| MEMP | VP & Chief Financial Officer | May 29, 2016 | Option Exercise | 9,657 |
| MEMP | VP & Chief Financial Officer | Aug 31, 2015 | Option Exercise | 2,276 |
| MEMP | VP & Chief Financial Officer | May 31, 2015 | Option Exercise | 13,237 |
| MEMP | VP & Chief Financial Officer | May 30, 2015 | Option Exercise | 14,731 |
| MEMP | VP, Finance | Nov 14, 2014 | Buy | 50,294 |
| MEMP | VP, Finance | Aug 31, 2014 | Option Exercise | 6,716 |