ENDV Endeavour International Corporation

Endeavour to Present at Two Energy Conferences

HOUSTON, Sept. 11, 2013 -- Endeavour International Corporation (NYSE: END) (LSE: ENDV) today announced
that it will present at Imperial Capital's Global Opportunities Conference next week, followed by a presentation at
the 2013 JRCO Energy Conference during the week of September 30, 2013.

William L. Transier, chairman, chief executive officer and president, is scheduled to speak at the Imperial Capital
conference on Thursday, September 19, 2013 at 9:30am Eastern Time in New York, New York.  Mr. Transier will
also present the company's business strategies and operational plans at the 2013 JRCO Energy Conference on
Wednesday, October 2, 2013 at 3:05pm Central Time. This conference will be held in New Orleans, Louisiana.

A web cast of both presentations and copies of the slides will be available by accessing Endeavour's Internet
home page at www.endeavourcorp.com.

Endeavour International Corporation is an oil and gas exploration and production company focused on the
acquisition, exploration and development of oil and natural gas in the North Sea and the United States. For more
information, visit www.endeavourcorp.com.

SOURCE: Endeavour International Corporation

CONTACT: Endeavour - Investor Relations, Darcey Matthews, 713-307-8711