Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT
Below is a list of all direct and indirect subsidiaries of Magellan Petroleum Corporation as of September 9, 2016:

SUBSIDIARY
 
STATE OR OTHER JURISDICTION OF INCORPORATION OR ORGANIZATION
 
OWNERSHIP
 
 
 
 
 
Magellan Petroleum Corporation owns the following subsidiaries directly:
Magellan Petroleum (UK) Investment Holdings Limited
 
United Kingdom
 
100%
Magellan Petroleum Australia Pty Ltd
 
Queensland, Australia
 
70%
  River Merger Sub, Inc.
 
Delaware
 
100%
 
 
 
 
 
Magellan Petroleum (UK) Investment Holdings Limited owns the following subsidiary directly:
Magellan Petroleum (UK) Limited
 
United Kingdom
 
100%(1)
 
 
 
 
 
Magellan Petroleum Australia Pty Ltd owns the following subsidiaries directly:
Magellan Petroleum (Offshore) Pty Ltd
 
Queensland, Australia
 
100%
Lohengrin Pty Ltd
 
Australia
 
50%(2)
(1) Magellan Petroleum Corporation ("MPC") directly owns 70% of Magellan Petroleum Australia Pty Ltd ("MPA"), and the remaining 30% of MPA is directly owned by Magellan Petroleum (UK) Limited, a wholly owned subsidiary of Magellan Petroleum (UK) Investment Holdings Limited.
(2) The remaining 50% of Lohengrin Pty Ltd is owned by Santos Limited.