| Solas Capital Management, LLC | 3,470,761 | $18.8m | 10.1% |
| Yorktown Energy Partners XI, L.P. | 2,869,560 | $15.5m | 14.4% |
| Yorktown Energy Partners X, L.P. | 2,656,705 | $14.4m | 30.2% |
| YORKTOWN ENERGY PARTNERS IX, L.P. | 1,181,124 | $6.4m | 17.7% |
| BlackRock, Inc. | 1,014,064 | $5.5m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 942,166 | $5.1m | 0.0% |
| Ballast Asset Management, LP | 806,322 | $4.4m | 1.7% |
| DIMENSIONAL FUND ADVISORS LP | 743,139 | $4.0m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 576,513 | $3.1m | 0.0% |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 506,880 | $2.7m | 0.1% |
| LPL Financial LLC | 504,191 | $2.7m | 0.0% |
| MORGAN STANLEY | 458,523 | $2.5m | 0.0% |
| MARSHALL WACE, LLP | 419,749 | $2.3m | 0.0% |
| Clayton Partners LLC | 367,953 | $2.0m | 1.3% |
| STATE STREET CORP | 338,430 | $1.8m | 0.0% |
| SEI INVESTMENTS CO | 282,209 | $1.5m | 0.0% |
| Dalton Investments, Inc. | 250,000 | $1.4m | 1.2% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 241,587 | $1.3m | 0.0% |
| AMERICAN CENTURY COMPANIES INC | 221,895 | $1.2m | 0.0% |
| AQR CAPITAL MANAGEMENT LLC | 219,969 | $1.2m | 0.0% |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 199,981 | $1.1m | 0.0% |
| CREDIT AGRICOLE S A | 183,500 | $992,735 | 0.0% |
| MCINTYRE FREEDMAN & FLYNN INVESTMENT ADVISERS INC | 174,400 | $943,504 | 0.6% |
| NORTHERN TRUST CORP | 173,240 | $937,229 | 0.0% |
| De Lisle Partners LLP | 166,411 | $899,451 | 0.1% |