Endeavour Announces Rochelle Field Production

Endeavour Announces Rochelle Field Production HOUSTON, Feb. 28, 2014 -- Endeavour International Corporation (NYSE: END) (LSE: ENDV)("Endeavour" or the "Company") today announced that production has recommenced at Rochelle, a gas-condensate field, in the U.K. North Sea. The East Rochelle E2 well is on production and flowing to the Scott Platform. The West Rochelle W1 well isanticipated to restart production in a few days. Details regarding flow rates will be discussed duringEndeavour's fourth quarter conference call on March 5, 2014. Production from the two wells is expected toexceed the available capacity limits across the Scott Platform. The Rochelle field came on-line in October of 2013. Endeavour has a 44% working interest in the fieldwhich is located in Blocks 15/26b, 15/26c and 15/27 in the U.K. Central North Sea. Endeavour International Corporation is an international oil and gas exploration and production companyfocused on the acquisition, exploration and development of energy reserves in the North Sea and UnitedStates. For more information, visit www.endeavourcorp.com. SOURCE Endeavour International Corporation CONTACT: Endeavour, Investor Relations, Darcey Matthews, 713-307-8711, or Pelham Public Relations,UK Media, Philip Dennis, +44 (0)207 861 3919, Henry Lerwill, +44 (0)207 861 3169