Endeavour Issues Statement Regarding Nomination Notice

Endeavour Issues Statement Regarding Nomination Notice by Stockholders HOUSTON, Feb. 25, 2014 -- Endeavour International Corporation (the "Company") (NYSE: END) (LSE: ENDV)released the following statement in response to the notice by Talisman Group Investments, L.L.C. and certain ofits affiliates (collectively, "Talisman") of their intent to nominate two candidates for election to the board ofdirectors of the Company at the 2014 annual meeting: "We value the opinions of all of our stockholders and our nominating committee will carefully review Talisman'scandidates for election to the board of directors. The board of directors of the Company will be in communicationwith stockholders in connection with our proxy statement and the 2014 annual meeting and will makerecommendations regarding the election of directors for their consideration," said William L. Transier, chairman,chief executive officer and president. Endeavour International Corporation is an international oil and gas exploration and production company focusedon the acquisition, exploration and development of energy reserves in the North Sea and United States. For moreinformation, visit www.endeavourcorp.com. Important Additional Information The Company, its directors and certain of its executive officers may be deemed to be participants in thesolicitation of proxies from the Company's shareholders in connection with the matters to be considered at theCompany's upcoming annual meeting. The Company intends to file a proxy statement and proxy card with theU.S. Securities and Exchange Commission (the "SEC") in connection with any such solicitation of proxies fromthe Company's shareholders. SHAREHOLDERS OF THE COMPANY ARE STRONGLY ENCOURAGED TOREAD SUCH PROXY STATEMENT, ACCOMPANYING PROXY CARD AND ALL OTHER DOCUMENTS FILEDWITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE AS THEY WILLCONTAIN IMPORTANT INFORMATION. Shareholders will be able to obtain any proxy statement, anyamendments or supplements to the proxy statement and other documents filed by the Company with the SEC atno charge at the SEC's website at www.sec.gov. Copies will also be available at no charge at the Company'swebsite at www.endeavourcorp.com in the section "Investor Relations." The directors and officers in the Company's 2014 Proxy Statement, yet to be issued, are William L. Transier,Chairman, Chief Executive Officer and President; John N. Seitz, Vice Chairman; John B. Connally III, Director;Sheldon R. Erikson, Director; Charles J. Hue Williams, Director; Nancy K. Quinn, Director; James J. Emme,Executive Vice President, North America; Catherine Stubbs, Chief Financial Officer and Senior Vice President;and Derek A. Nielson, Managing Director, U.K. Operations. As of the date of this filing, Mr. Transier beneficiallyowned 1,287,135 shares of common stock of the Company ("Common Stock"), which includes direct ownership of1,200,186 shares and 86,949 shares underlying certain options exercisable within 60 days hereof. As of the dateof this filing, Mr. Seitz beneficially owned 1,162,379 shares of Common Stock. As of the date of this filing, Mr.Erikson beneficially owned 115,014 shares of Common Stock. As of the date of this filing, Mr. Hue Williamsbeneficially owned 131,162 shares of Common Stock. As of the date of this filing, Ms. Quinn beneficially owned249,251 shares of Common Stock. As of the date of this filing, Mr. Emme beneficially owned 238,433 shares ofCommon Stock. As of the date of this filing, Ms. Stubbs beneficially owned 142,428 shares of Common Stock,which includes direct ownership of 139,395 shares and 3,033 shares underlying certain options exercisable within60 days hereof. As of the date of this filing, Mr. Nielson beneficially owned 60,406 shares of Common Stock,which includes direct ownership of 55,326 shares and 5,080 shares underlying certain options exercisable within60 days hereof. SOURCE Endeavour International Corporation

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