EX-21.1 2 a12-16735_1ex21d1.htm EX-21.1

Exhibit 21.1

List of Subsidiaries

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
David Joe |  | Secretary
Director: |  |
Robert S. Herlin |  |

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 |  |