Endeavour to Present at IPAA OGIS Conference in New York

HOUSTON, April 5, 2011 - Endeavour International Corporation (NYSE: END) (LSE: ENDV) today
announces that it will participate in the IPAA OGIS New York Conference on
Monday, April 11, 2011 in New York City, New York.

William L. Transier, chairman, chief executive officer and president is
scheduled to speak on the company's business strategies and operational plans
at 9:10am Eastern Daylight time.

Live web casts and copies of the presentations 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.

Endeavour - Investor Relations, Mike Kirksey, +1-713-307-8788, or Darcey Matthews, +1-713-307-8711