EX-21.1 2 a2216543zex-21_1.htm EX-21.1
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Exhibit 21.1

Evolution Petroleum Corporation—A Nevada Corporation

Officers: |  |
--- | --- | ---
Robert S. Herlin |  | President and Chief Executive Officer
Sterling H. McDonald |  | Vice President, Chief Financial Officer and Treasurer
Daryl V. Mazzanti |  | Vice President, Operations
David Joe |  | Controller & Corporate Secretary

Directors: |  |
--- | --- | ---
Robert S. Herlin |  | Chairman of the Board
Laird Q. Cagan |  | Member
Edward J. DiPaolo |  | Member
Gene Stoever |  | Member
William Dozier |  | Member
Kelly Loyd |  | Member

NGS Sub Corp.—A Delaware Corporation

Officers: |  |
--- | --- | ---
Robert S. Herlin |  | President and Chief Executive Officer
Sterling H. McDonald |  | Chief Financial Officer and Treasurer
David Joe |  | Secretary

Directors: |  |
--- | --- | ---
Robert S. Herlin |  |
Sterling H. McDonald |  |

Arkla Petroleum, LLC—A Louisiana Corporation

NGS Sub Corp |  | Member
Robert S. Herlin |  | Manager
Sterling H. McDonald |  | Manager

NGS Technologies, Inc.—A Delaware Corporation

Officers: |  |
--- | --- | ---
Robert S. Herlin |  | President and Chief Executive Officer
Sterling H. McDonald |  | Chief Financial Officer and Treasurer
Daryl V. Mazzanti |  | Vice President, Operations
David Joe |  | Secretary

Directors: |  |
--- | --- | ---
Robert S. Herlin |  |
Daryl V. Mazzanti |  |

Evolution Operating Co. Inc.—A Texas Corporation

Officers: |  |
--- | --- | ---
Robert S. Herlin |  | President and Chief Executive Officer
Sterling H. McDonald |  | Vice President, Chief Financial Officer, Treasurer and Secretary
Daryl V. Mazzanti |  | Vice President, Operations
David Joe |  | Controller

Directors: |  |
--- | --- | ---
Robert S. Herlin |  |
Sterling H. McDonald |  |

Tertiaire Resources Company—A Texas Corporation

Officers: |  |
--- | --- | ---
Robert S. Herlin |  | President and Chief Executive Officer
Sterling H. McDonald |  | Vice President, Chief Financial Officer, Treasurer and Secretary
Daryl V. Mazzanti |  | Vice President, Operations

Directors: |  |
--- | --- | ---
Robert S. Herlin |  |
Sterling H. McDonald |  |
Daryl V. Mazzanti |  |

Evolution Petroleum OK, Inc.—A Texas Corporation

Officers: |  |
--- | --- | ---
Robert S. Herlin |  | President and Chief Executive Officer
Sterling H. McDonald |  | Vice President, Chief Financial Officer, Treasurer and Secretary
Daryl V. Mazzanti |  | Vice President, Operations
David Joe |  | Controller & Secretary

Directors: |  |
--- | --- | ---
Robert S. Herlin |  |
Sterling H. McDonald |  |

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Exhibit 21.1