| 1 | Power of Attorney | 22 Feb 2012 |
| 2 | Authorization Document (POA) | 13 Jun 2013 |
| 2 | TM-44 | 13 Jun 2013 |
| 3 | Authorization Document (POA) | 13 Jun 2013 |
| 3 | TM-44 | 13 Jun 2013 |
| 4 | TM-44 | 26 Jun 2013 |
| 5 | TM-5 | 26 Jun 2013 |
| 6 | Power of Attorney | 05 Jul 2013 |
| 6 | TM-5 | 05 Jul 2013 |
| 7 | Power of Attorney | 05 Jul 2013 |
| 7 | TM-5 | 05 Jul 2013 |
| 8 | Correspondence | 20 May 2014 |
| 9 | Correspondence | 14 May 2015 |
| 10 | Power of Attorney | 14 May 2015 |
| 11 | Letter of Withdrawal | 12 Dec 2017 |