| 5.08% (3) |
United States of America |
1704100 |
803000 |
1704100 |
803000 |
2507100 |
5.08 % |
10/01/2018 |
| of 9 Pages |
United States of America |
0 |
3022692 |
0 |
3022692 |
3022692 |
6.2 % |
16/02/2016 |
| of 9 Pages |
United States of America |
100000 |
3022692 |
100000 |
3022692 |
3122692 |
6.4 % |
16/02/2016 |
| of 9 Pages |
United States of America |
0 |
2650647 |
0 |
2650647 |
2650647 |
5.4 % |
16/02/2016 |
| of 9 Pages |
United States of America |
0 |
28836 |
0 |
28836 |
28836 |
0.1 % |
16/02/2016 |
| of 9 Pages |
United States of America |
0 |
2621811 |
0 |
2621811 |
2621811 |
5.4 % |
16/02/2016 |
| EnerVest Management GP, L.C./76-0629541 |
Texas, United States |
0 |
155600 |
0 |
155600 |
155600 |
1 % |
20/04/2015 |
| John B. & Lisa A. Walker L.P. /76-0611813 |
Texas, United States |
0 |
2008098 |
0 |
2008098 |
2008098 |
4.1 % |
20/04/2015 |
| EnerVest, Ltd./76-0378595 |
Texas, United States |
0 |
155600 |
0 |
155600 |
155600 |
1 % |
20/04/2015 |
| John B. Walker |
United States |
449042 |
2177098 |
449042 |
2177098 |
2626140 |
5.4 % |
20/04/2015 |
| Brookfield Investment Management Inc. |
Delaware |
2491528 |
0 |
2947573 |
0 |
2947573 |
6.07 % |
17/02/2015 |
| Page 4 of 9 Pages |
United States of America |
0 |
2830660 |
0 |
2830660 |
2830660 |
5.8 % |
30/01/2015 |
| Page 6 of 9 Pages |
United States of America |
0 |
29986 |
0 |
29986 |
29986 |
0.1 % |
30/01/2015 |
| Page 3 of 9 Pages |
United States of America |
0 |
3197076 |
0 |
3197076 |
3197076 |
6.6 % |
30/01/2015 |
| Page 5 of 9 Pages |
United States of America |
0 |
2800674 |
0 |
2800674 |
2800674 |
5.8 % |
30/01/2015 |
| Page 2 of 9 Pages |
United States of America |
100000 |
3197076 |
100000 |
3197076 |
3297076 |
6.8 % |
30/01/2015 |
| Piper Jaffray Companies / 30-0168701 |
Delaware |
3485195 |
0 |
3485195 |
0 |
3485195 |
7.2 % |
12/02/2014 |
| FMR LLC |
Delaware |
92 |
0 |
3417285 |
0 |
3417285 |
10.001 % |
14/02/2012 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
3417285 |
0 |
3417285 |
10.001 % |
14/02/2012 |
| EVEC Holdings, |
: |
0 |
0 |
0 |
0 |
518102 |
2.2 % |
27/11/2009 |
| John B. |
: |
0 |
0 |
0 |
0 |
1992179 |
8.5 % |
27/11/2009 |
| John B. & |
: |
0 |
0 |
0 |
0 |
532854 |
2.3 % |
27/11/2009 |
| EnerVest |
: |
0 |
0 |
0 |
0 |
1351017 |
5.8 % |
27/11/2009 |
| EnerVest, |
: |
0 |
0 |
0 |
0 |
1351017 |
5.8 % |
27/11/2009 |
| EnerVest |
: |
0 |
0 |
0 |
0 |
2013 |
1 % |
27/11/2009 |
| EnerVest |
: |
0 |
0 |
0 |
0 |
638 |
1 % |
27/11/2009 |
| Deutsche Bank AG* |
Federal Republic of Germany |
797684 |
0 |
797684 |
0 |
797684 |
6.73 % |
05/02/2008 |
| Deutsche Bank AG, London Branch |
Federal Republic of Germany |
797684 |
0 |
797684 |
0 |
797684 |
6.73 % |
05/02/2008 |
| ZLP Fund, L.P. |
Delaware |
0 |
565692 |
0 |
565692 |
565692 |
6.7 % |
09/03/2007 |
| Zimmer Lucas Partners, LLC |
Delaware |
0 |
565692 |
0 |
565692 |
565692 |
6.7 % |
09/03/2007 |
| Zimmer Lucas Capital, LLC |
Delaware |
0 |
565692 |
0 |
565692 |
565692 |
6.7 % |
09/03/2007 |
| Stuart J. Zimmer |
U.S.A. |
0 |
565692 |
0 |
565692 |
565692 |
6.7 % |
09/03/2007 |
| Craig M. Lucas |
U.S.A. |
0 |
565692 |
0 |
565692 |
565692 |
6.7 % |
09/03/2007 |
| EnerVest Management Partners, Ltd./76-0378595 |
: |
0 |
0 |
0 |
0 |
506880 |
11.28 % |
10/10/2006 |
| EnerVest Management GP, L.C./76-0629541 |
: |
0 |
0 |
0 |
0 |
506880 |
11.28 % |
10/10/2006 |
| Jon Rex Jones |
: |
0 |
0 |
0 |
0 |
506880 |
11.28 % |
10/10/2006 |
| A.V. Jones, Jr. |
: |
0 |
0 |
0 |
0 |
506880 |
11.28 % |
10/10/2006 |
| EVEC Holdings, LLC/76-0378595 |
: |
0 |
0 |
0 |
0 |
138381 |
3.08 % |
10/10/2006 |
| John B. Walker |
: |
0 |
0 |
0 |
0 |
512180 |
11.39 % |
10/10/2006 |
| CGAS Holdings, LLC/31-4367246 |
: |
0 |
0 |
0 |
0 |
343255 |
7.63 % |
10/10/2006 |
| CGAS Exploration, Inc./31-4367246 |
: |
0 |
0 |
0 |
0 |
343255 |
7.63 % |
10/10/2006 |
