Endeavour Provides Operational Update on Rochelle

Endeavour Provides Operational Update on the Rochelle Field HOUSTON, Feb. 7, 2014 -- Endeavour International Corporation (NYSE: END)(LSE: ENDV) ("Endeavour" or the "Company") today announced the East(E2) and West (W1) development wells at Rochelle, a gas-condensate field in theU.K. North Sea, have been fully completed and tied-in to the productionmanifolds. During the restart of production, a valve was discovered stuck in the 'shut'position on the outlet side of the Rochelle production manifold. An attempt toopen the valve manually was unsuccessful and the operator is in the process ofsecuring an intervention vessel to open the valve. As part of the finalinstallation and start-up of the E2 well, the W1 well was shut-in earlier thisyear. Weather in the North Sea continues to be a challenge for service vesselsto perform the work necessary to get Rochelle back on production. Thisunanticipated downtime will negatively affect the Company's daily productionrates for the first quarter of 2014. "While the current situation regarding the Rochelle infrastructure isfrustrating, operating safely within the North Sea environment is paramount. Inno way does this affect the field's long-term production capacity or reservepotential," said William L. Transier, chairman, chief executive officer andpresident. "We are confident that the valve will be repaired and that thefield's production will resume. As we learn more details regarding the timingof this work, we will communicate that information to our investors." The Rochelle field came on-line in October of 2013. Endeavour has a 44% workinginterest in the Rochelle field located in Blocks 15/26b, 15/26c and 15/27. Endeavour International Corporation is an international oil and gas explorationand production company focused on the acquisition, exploration and developmentof energy reserves in the North Sea and United States. For more information,visit www.endeavourcorp.com. SOURCE Endeavour International Corporation CONTACT: Endeavour - Investor Relations, Darcey Matthews, 713-307-8711, orPelham Public Relations - UK Media, Philip Dennis, +44 (0)207 861 3919, HenryLerwill, +44 (0)207 861 3169