Exhibit 21.1

List of Subsidiaries of Evolution Petroleum Corporation

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​	​	Jurisdiction of
​	​	Incorporation or
Name of Subsidiary		Organization
Evolution Royalties, Inc.	​	Delaware
Evolution Petroleum West, Inc.	​	Delaware
NGS Sub Corp.	​	Delaware
NGS Technologies, Inc.	​	Delaware
Evolution Operating Co., Inc.	​	Texas
Evolution Petroleum OK, Inc.	​	Texas
Tertiaire Resources Company	​	Texas
ARKLA Petroleum, LLC (Subsidiary of NGS Sub. Corp.)	​	Louisiana
NGS Resources, LLC (Subsidiary of NGS Technologies, Inc.)	​	Texas

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