| Yorktown Energy Partners XI, L.P. | $12.8M | 9.01% |
| YORKTOWN ENERGY PARTNERS IX, L.P. | $12.6M | 21.87% |
| Yorktown Energy Partners X, L.P. | $8.4M | 12.13% |
| First Eagle Investment Management, LLC | $5.6M | 0.01% |
| VANGUARD CAPITAL MANAGEMENT LLC | $3.3M | 0.00% |
| MORGAN STANLEY | $3.3M | 0.00% |
| Simcoe Capital LLC | $1.7M | 1.55% |
| GEODE CAPITAL MANAGEMENT, LLC | $1.6M | 0.00% |
| AMERICAN CENTURY COMPANIES INC | $1.4M | 0.00% |
| RENAISSANCE TECHNOLOGIES LLC | $1.3M | 0.00% |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT | $1.3M | 0.07% |
| BlackRock, Inc. | $1.0M | 0.00% |
| MILLENNIUM MANAGEMENT LLC | $983.4K | 0.00% |
| South Dakota Investment Council | $897.0K | 0.02% |
| WEDGE CAPITAL MANAGEMENT L L P/NC | $743.9K | 0.01% |
| UBS Group AG | $730.4K | 0.00% |
| D. E. Shaw & Co., Inc. | $694.3K | 0.00% |
| DIMENSIONAL FUND ADVISORS LP | $681.5K | 0.00% |
| Samalin Investment Counsel, LLC | $617.0K | 0.22% |
| JB CAPITAL PARTNERS LP | $607.2K | 0.10% |
| MARSHALL WACE, LLP | $564.9K | 0.00% |
| FRANKLIN RESOURCES INC | $382.8K | 0.00% |
| J. Derek Lewis & Associates Inc. | $346.7K | 0.08% |
| VANGUARD FIDUCIARY TRUST CO | $342.6K | 0.00% |
| CITADEL ADVISORS LLC | $318.5K | 0.00% |
| STATE STREET CORP | $316.9K | 0.00% |
| JANE STREET GROUP, LLC | $224.8K | 0.00% |
| GOLDMAN SACHS GROUP INC | $219.1K | 0.00% |
| Pingora Partners LLC | $203.4K | 0.12% |
| Byrne Asset Management LLC | $198.0K | 0.12% |
| NORTHERN TRUST CORP | $167.3K | 0.00% |
| Quantinno Capital Management LP | $165.6K | 0.00% |
| FIFTH THIRD BANCORP | $157.9K | 0.00% |
| Keystone Financial Group | $150.8K | 0.01% |
| Lunt Capital Management, Inc. | $130.1K | 0.05% |
| Global Trust Asset Management, LLC | $125.2K | 0.05% |
| Trexquant Investment LP | $119.6K | 0.00% |
| Vanguard Global Advisers, LLC | $48.7K | 0.00% |
| FMR LLC | $9.2K | 0.00% |
| Bogart Wealth, LLC | $6.5K | 0.00% |
| GAMMA Investing LLC | $4.8K | 0.00% |
| WELLS FARGO & COMPANY/MN | $4.2K | 0.00% |
| Avalon Trust Co | $3.8K | 0.00% |
| RHUMBLINE ADVISERS | $3.3K | 0.00% |
| HUNTINGTON NATIONAL BANK | $2.6K | 0.00% |
| OSAIC HOLDINGS, INC. | $2.3K | 0.00% |
| GROUP ONE TRADING LLC | $2.1K | 0.00% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $1.9K | 0.00% |
| Farther Finance Advisors, LLC | $1.8K | 0.00% |
| BankChampaign, National Association | $1.8K | 0.00% |
| CITIGROUP INC | $1.4K | 0.00% |
| Sunbelt Securities, Inc. | $1.2K | 0.00% |
| ROYAL BANK OF CANADA | $1.0K | 0.00% |
| JONES FINANCIAL COMPANIES LLLP | $871.0 | 0.00% |
| PNC FINANCIAL SERVICES GROUP, INC. | $867.0 | 0.00% |
| Costello Asset Management, INC | $816.0 | 0.00% |
| ExodusPoint Capital Management, LP | $775.0 | 0.00% |
| NISA INVESTMENT ADVISORS, LLC | $694.0 | 0.00% |
| JPMORGAN CHASE & CO | $688.0 | 0.00% |
| MassMutual Private Wealth & Trust, FSB | $383.0 | 0.00% |
| KERR FINANCIAL PLANNING Corp | $377.0 | 0.00% |
| Tower Research Capital LLC (TRC) | $357.0 | 0.00% |
| Arax Advisory Partners | $255.0 | 0.00% |
| EverSource Wealth Advisors, LLC | $255.0 | 0.00% |
| Center for Financial Planning, Inc. | $174.0 | 0.00% |
| Advisory Services Network, LLC | $173.0 | 0.00% |
| BARCLAYS PLC | $163.0 | 0.00% |
| SIGNATUREFD, LLC | $102.0 | 0.00% |
| Parallel Advisors, LLC | $92.0 | 0.00% |
| Optiver Holding B.V. | $82.0 | 0.00% |
| CWM, LLC | $71.0 | 0.00% |
| Rockefeller Capital Management L.P. | $51.0 | 0.00% |
| Russell Investments Group, Ltd. | $31.0 | 0.00% |
| NVWM, LLC | $20.0 | 0.00% |
| DANSKE BANK A/S | $20.0 | 0.00% |
| SBI Securities Co., Ltd. | $10.0 | 0.00% |
| Larson Financial Group LLC | $10.0 | 0.00% |
| BNP PARIBAS FINANCIAL MARKETS | $6.1 | 0.00% |
| Covestor Ltd | $0.0 | 0.00% |