ENDV Endeavour International Corporation

Endeavour Announces First Production from Rochelle

HOUSTON, Oct. 25, 2013 -- Endeavour International Corporation
(NYSE: END) (LSE: ENDV) ("Endeavour" or the "Company") today
announced that first production from the Rochelle gas-condensate
field, in the U.K. North Sea, commenced on October 23, 2013.

The West Rochelle W1 well, the first of two development wells, is now
flowing natural gas with associated liquids. The ramp-up of Rochelle
production is underway and further details regarding flow rates will be
discussed during the Company's third quarter conference call on November 6, 2013.

The second development well, East Rochelle E2, has been drilled to total depth,
cased and is in the process of being completed. The E2 well is expected to be
on-line later this quarter and will provide redundancy in producing the
Company's allotted capacity limits across the Scott Platform.

Endeavour has a 44% working interest in the Rochelle field located in
Blocks 15/26b, 15/26c and 15/27.

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 .

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,
or Henry Lerwill, +44 (0)207 861 3169