| 1 | ZORICH ROBERT L
Director
10% Owner | 2017-05-18 17:38:56 | 0
27,487,356 | 27,487,356 | Form 4 |
| 2 | Oak Valley Resources LLC
EnCap Partners LLC
10% Owner | 2017-05-18 17:34:44 | 27,487,356
0 | 27,487,356 | Form 4 |
| 3 | Independence Resources Holdings LLC
10% Owner | 2021-01-11 21:42:56 | 0
13,358,338 | 13,358,338 | Form 4 |
| 4 | Cypress Investments LLC
Exhibit 99.1
10% Owner | 2023-08-23 17:02:52 | 11,167,213
0 | 11,167,213 | Form 13D |
| 5 | Post Oak Energy Holdings LLC
Post Oak Energy Capital LP
See Exhibit 99.3
10% Owner | 2022-10-11 18:12:33 | 0
11,167,213 | 11,167,213 | Form 4 |
| 6 | Oak Valley Resources LLC
ENCAP ENERGY CAPITAL FUND VII LP
ENCAP ENERGY CAPITAL FUND VI L P
EnCap Energy Capital Fund V L P
EnCap VI-B Acquisitions L.P.
EnCap V-B Acquisitions L.P.
EnCap Investments GP L.L.C.
10% Owner | 2016-11-16 16:09:02 | 9,162,452
0 | 9,162,452 | Form 13D |
| 7 | RNBD GP LLC
MILLER DAVID B
PETERSEN GARY R
PHILLIPS D MARTIN
10% Owner | 2014-12-23 16:25:11 | 0
9,124,452 | 9,124,452 | Form 3 |
| 8 | WP Energy Chisholm Holdings L.P.
WP Energy Partners Chisholm Holdings L.P.
Warburg Pincus Private Equity (E&P) XII (A) L.P.
WP XII Chisholm Holdings L.P.
Warburg Pincus XII (E&P) Partners-2 Chisholm LLC
Warburg Pincus Private Equity (E&P) XII-D (A) L.P.
Warburg Pincus Private Equity (E&P) XII-E (A) L.P.
Warburg Pincus XII (E&P) Partners-1 L.P.
WP XII (E&P) Partners (A) L.P.
10% Owner | 2023-08-08 20:38:43 | 0
7,868,234 | 7,868,234 | Form 4 |
| 9 | Warburg Pincus Partners II (US) L.P.
Warburg Pincus & Co US LLC
WARBURG PINCUS LLC
10% Owner | 2023-08-08 20:36:03 | 0
7,868,234 | 7,868,234 | Form 4 |
| 10 | Warburg Pincus (E&P) XII L.P.
Warburg Pincus XII (E&P) Partners-2 L.P.
Warburg Pincus (E&P) XII LLC
WARBURG PINCUS XI (E&P) PARTNERS-B L.P.
WARBURG PINCUS (E&P) XI L.P.
WARBURG PINCUS (E&P) XI LLC
WARBURG PINCUS PARTNERS (E&P) XI LLC
Warburg Pincus Energy (E&P) Partners-B L.P.
Warburg Pincus (E&P) Energy GP L.P.
Warburg Pincus (E&P) Energy LLC
10% Owner | 2023-08-08 20:32:53 | 0
7,868,234 | 7,868,234 | Form 4 |
| 11 | Flatonia Energy LLC
Energy Recapitalization & Restructuring Fund L.P.
Carlson Energy Partners I LLC
Carlson Energy Corp.
Howie John K
Carlson Clint Duane
Hulme Ron
Wilder John C Jr
10% Owner | 2015-01-02 12:23:45 | 0
2,957,288 | 2,957,288 | Form 3/A |
| 12 | Flatonia Energy LLC
ERR FI Flatonia Holdings LLC
ERR FI II Flatonia Intermediate L.P.
Parallel Resource Partners LLC
Bluescape Energy Partners LLC
Bluescape Resources Co LLC
Energy Recapitalization & Restructuring FI Ltd.
Energy Recapitalization & Restructuring FI Fund L.P.
Flatonia Holdings LLC
10% Owner | 2020-05-12 14:12:43 | 1,488,993
0 | 1,488,993 | Form 13D |
| 13 | FLAKE DAVID J
Secretary/Treasurer | 2007-10-12 12:59:47 | 719,849
0 | 719,849 | Form 4 |
| 14 | HUFFMAN EDGAR J
Director | 2005-02-10 15:22:48 | 421,000
0 | 421,000 | Form 4 |
| 15 | Wonson G. Bret
VP | 2016-06-02 18:07:03 | 25,000
0 | 25,000 | Form 4 |
| 16 | Robertson Monroe W Jr
Director | 2015-04-28 16:08:52 | 22,684
0 | 22,684 | Form 4 |
| 17 | Rodgers Richard
Director | 2015-04-28 16:11:09 | 15,938
0 | 15,938 | Form 4 |
| 18 | CALERICH ANDREW P
Director | 2015-04-28 16:06:45 | 8,124
0 | 8,124 | Form 4 |
| 19 | Habachy David
Director | 2023-11-02 21:23:07 | 0
0 | 0 | Form 4 |
| 20 | Urban Zachary G.
Director | 2023-11-02 21:23:03 | 0
0 | 0 | Form 4 |
| 21 | Lumpkin Mark Jr
EVP and CFO | 2023-11-02 21:21:28 | 0
0 | 0 | Form 4 |
| 22 | Anderson Robert John
President and CEO | 2023-11-02 21:20:31 | 0
0 | 0 | Form 4 |
| 23 | Oviedo Tony
EVP and PAO | 2023-11-02 21:20:20 | 0
0 | 0 | Form 4 |
| 24 | KRAMER PHIL D
Director | 2023-11-02 21:18:32 | 0
0 | 0 | Form 4 |
| 25 | Collins Steven C.
EVP and COO | 2023-11-02 21:17:53 | 0
0 | 0 | Form 4 |
| 26 | Joliat Jay Frederick
Director | 2023-11-02 21:28:07 | 0
0 | 0 | Form 4 |
| 27 | EnCap Partners GP LLC
EnCap Energy Capital Fund VIII L.P.
Bold Energy Holdings LLC
EnCap Energy Capital Fund IX L.P.
EnCap Energy Capital Fund XI L.P.
Director
10% Owner | 2023-11-03 17:13:05 | 0
0 | 0 | Form 4 |
| 28 | Lodzinski Frank Alan
Executive Chairman | 2023-11-02 21:16:27 | 0
0 | 0 | Form 4 |
| 29 | SINGLETON RAY J JR
Director | 2023-11-02 21:15:59 | 0
0 | 0 | Form 4 |
| 30 | Warburg Pincus Private Equity (E&P) XI-A L.P.
Warburg Pincus XI (E&P) Partners - A L.P.
WP IRH Holdings L.P.
Warburg Pincus XI (E&P) Partners-B IRH LLC
WP Energy IRH Holdings L.P.
WP Energy Partners IRH Holdings L.P.
Warburg Pincus Energy (E&P) Partners-B IRH LLC
Warburg Pincus Energy (E&P) Partners-A L.P.
Warburg Pincus Energy (E&P)-A L.P.
Warburg Pincus Energy (E&P) Partners-B Chisholm LLC
10% Owner | 2023-08-08 20:39:48 | 0
0 | 0 | Form 13G |
| 31 | Swanson Douglas E Jr
Director | 2022-07-11 16:27:53 | 0
0 | 0 | Form 3 |
| 32 | Cochran Frost W.
Director | 2022-04-22 16:48:50 | 0
0 | 0 | Form 3 |
| 33 | ENCAP ENERGY CAPITAL FUND VII LP
EnCap Energy Capital Fund VIII L.P.
Bold Energy Holdings LLC
EnCap Energy Capital Fund IX L.P.
EnCap Energy Capital Fund XI L.P.
EnCap Partners GP LLC
Director
10% Owner | 2023-11-03 17:05:57 | 0
0 | 0 | Form 13D |
| 34 | EnCap Energy Capital Fund V L P
EnCap V-B Acquisitions L.P.
ENCAP ENERGY CAPITAL FUND VI L P
EnCap VI-B Acquisitions L.P.
ENCAP ENERGY CAPITAL FUND VII LP
Bold Energy Holdings LLC
EnCap Energy Capital Fund IX L.P.
EnCap Partners GP LLC
10% Owner | 2023-11-03 17:05:57 | 0
0 | 0 | Form 13D |
| 35 | Bold Energy Holdings LLC
EnCap Energy Capital Fund IX L.P.
EnCap Partners LLC
10% Owner | 2023-11-03 17:05:57 | 0
0 | 0 | Form 13D |
| 36 | Snoots Wynne M. Jr.
Director | 2017-05-17 18:30:59 | 0
0 | 0 | Form 3 |
| 37 | Thielemann Brad A.
Director | 2014-12-23 16:11:11 | 0
0 | 0 | Form 3 |
| 38 | Young Joseph B
Principal Accounting Officer | 2009-09-24 13:39:10 | 0
0 | 0 | Form 3 |