On October 10, 2012, Endeavour International Corporation (the "Company") provided updated production estimates for the three months ended September 30, 2012 in the offering memorandum and investor presentation relating to its proposed private offering of additional first priority notes due 2018. The information is included in Exhibit 99.1 furnished herewith and incorporated herein by reference.

The Company is furnishing herewith certain information contained in the offering memorandum and investor presentation relating to its proposed private offering of additional first priority notes due 2018. The information is included in Exhibit 99.1 furnished herewith and incorporated herein by reference.

The information in Exhibit 99.1 shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these notes in any state in which the offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state. The notes will not initially be registered under the Securities Act of 1933 or any state securities law and may not be offered or sold in the United States absent registration or an applicable exemption from registration under the Securities Act of 1933 and applicable state securities laws.

In accordance with General Instruction B.2 of Form 8-K, the information in Items 2.02 and 7.01 of this Current Report on Form 8-K, including information in Exhibit 99.1, shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section, nor shall such information, including Exhibit 99.1, be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Press Release

On October 10, 2012, the Company issued a press release announcing that it intends to commence a private offering of additional first priority notes due 2018. A copy of the press release is attached hereto as Exhibit 99.3 and is incorporated herein by reference.

COP Acquisition Financial Information

This Current Report on Form 8-K includes pro forma financial statements reflecting the Alba field portion of the COP Acquisition for the six months ended June 30, 2012.

(b) Pro Forma Financial Information

The Unaudited Pro Forma Condensed Consolidated Statement of Operations for the six months ended June 30, 2012, giving effect to the Alba field portion of the COP Acquisition, is filed as Exhibit 99.2 to this Current Report on Form 8-K and incorporated herein by reference.

(d) Exhibits.

99.1    Certain information contained in the offering memorandum and investor
        presentation.

99.2    Unaudited Pro Forma Condensed Consolidated Statement of Operations of the
        Company for the six months ended June 30, 2012.

99.3    Press Release of Endeavour International Corporation dated October 10,
        2012