Endeavour to Present at Two Conferences

Endeavour to Present at Two Energy Conferences HOUSTON, Sept. 11, 2013 -- Endeavour International Corporation (NYSE: END) (LSE: ENDV) today announcedthat it will present at Imperial Capital's Global Opportunities Conference next week, followed by a presentation atthe 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 Capitalconference on Thursday, September 19, 2013 at 9:30am Eastern Time in New York, New York. Mr. Transier willalso present the company's business strategies and operational plans at the 2013 JRCO Energy Conference onWednesday, 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 Internethome page at www.endeavourcorp.com. Endeavour International Corporation is an oil and gas exploration and production company focused on theacquisition, exploration and development of oil and natural gas in the North Sea and the United States. For moreinformation, visit www.endeavourcorp.com. SOURCE: Endeavour International Corporation

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