ENDV Endeavour International Corporation

               Endeavour Announces Operational Update Conference Call and Webcast

HOUSTON, July 9, 2013  -- Endeavour International Corporation (NYSE: END) (LSE: ENDV) will host a
conference call and webcast to provide an update on its U.K. and U.S operations on Wednesday, July 10, 2013 at
7:30 a.m. Central Time, 1:30 p.m. British Summer Time.

To participate and ask questions during the conference call, dial the local country telephone number and the
confirmation code 2363667. The toll-free numbers are 888-523-1228 in the United States and 0-808-404-7655 in
the United Kingdom.  Other international callers should dial 719-457-2648 (tolls apply).

To listen to the live audio webcast, please access Endeavour's home page at www.endeavourcorp.com. A replay
of the webcast will be available beginning at 12:00 p.m. Central Time on July 10, 2013  through 12:00 p.m. on
July 17, 2013 by dialing toll free 888-203-1112 (U.S.) or 719-457-0820 (international), confirmation code 2363667.

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

CONTACT: Endeavour - Investor Relations, Darcey Matthews, +1-713-307-8711