Document:

Second Amended and Restated Employment Agreement - William Transier

 EXHIBIT 10.4 
 SECOND AMENDED AND RESTATED EMPLOYMENT AGREEMENT 
 This Second Amended and Restated Employment
Agreement (“Agreement”) is entered into effective as of December 31, 2008 (the “Effective Date”), by and between Endeavour International Corporation, a Nevada corporation (the “Company”), and
William L. Transier (“Employee”). 
 WHEREAS, the Employee and the Company were parties to an employment agreement
dated February 26, 2004 (the “Original Agreement”), which was amended on October 9, 2006 (the “Amendment”), and which was amended and restated effective as of May 29, 2008 (the “First Amended
and Restated Agreement”); and 
 WHEREAS, the Company and Employee desire to amend and restate further the First Amended and
Restated Agreement to comply with Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”); 
 NOW,
THEREFORE, in consideration of the mutual covenants, representations, warranties, and agreements contained herein, and for other valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties agree as follows:

 1. Effect of Agreement. Effective as of the Effective Date, this Agreement supersedes and replaces any pre-existing employment
agreements between the Company and the Employee, including the Original Agreement, the Amendment, and the First Amended and Restated Agreement, except as is otherwise referenced herein. 
 2. Employment. The Company hereby employs Employee, and Employee will hereby continue his employment by the Company, on the terms and conditions
set forth in this Agreement. 
 3. Term of Employment. Subject to the provisions for earlier termination provided in this Agreement,
the term of this Agreement (the “Term”) shall terminate on May 31, 2011. 
 4. Employee’s Duties. During
the Term, Employee shall serve as Chairman, Chief Executive Officer and President, with such duties and responsibilities as may from time to time be assigned to him by the board of directors of the Company (the “Board”), provided
that such duties are consistent with the customary duties of such position. During the Term, Employee shall serve as a member and Chairman of the Board. Employee agrees to devote all of his business time, skill and attention to the business and
affairs of the Company and to use reasonable best efforts to perform faithfully and efficiently his duties and responsibilities. Employee shall not, either directly or indirectly, enter into any business or employment with or for any person, firm,
association or corporation other than the Company during the Term; provided, however, that Employee shall not be prohibited from making financial investments in any other company or business, or, with notice to the Board, from serving on the board
of directors of any other company if such service does not materially interfere with the performance of his duties or responsibilities hereunder. Employee shall at all times observe and comply with all lawful directions and instructions of the
Board. 

	5.	Compensation. 

 (a) Inducement
Stock. As an inducement to Employee to enter into the Original Agreement, the Company issued 500,000 shares (“Inducement Stock”) of Company restricted common stock (“Restricted Stock”) to Employee as of
February 26, 2004. The Inducement Stock grants were evidenced by the forms of Inducement Stock Agreement attached as Exhibits “A” and “B” to the Original Agreement. 
 (b) Base Compensation. Effective as of September 9, 2006, for services rendered by Employee under this Agreement, the Company
shall pay to Employee a base salary of $800,000 per annum (“Base Compensation”). The Base Compensation is payable in accordance with the Company’s customary payroll practices and subject to customary withholdings, including
share withholdings as described in Section 15(b) hereof. The amount of Base Compensation shall be reviewed by the Board on an annual basis as of the close of each fiscal year of the Company and may be increased as the Board may deem
appropriate. In the event the Board (or, if established, the compensation committee thereof) deems it appropriate to increase Employee’s annual base salary, said increased amount shall thereafter be the “Base Compensation.”
Employee’s Base Compensation, as increased from time to time, may not thereafter be decreased unless agreed to by Employee. Nothing contained herein shall prevent the Board from paying additional compensation to Employee in the form of bonuses
or otherwise during the Term. 
 6. Bonus. With respect to each full fiscal year during the Term, the Board in its sole discretion may
grant the Employee a discretionary bonus (“Bonus”). The target bonus for each year shall be equal to the Base Compensation; however, the Board may grant a maximum Bonus of up to 200% of the Base Compensation payable in the
form and in accordance with the Company’s customary payroll practices for its annual bonuses for its executives and subject to customary withholdings. 
 7. Additional Benefits. In addition to the Base Compensation provided for in Section 5 herein, Employee shall be entitled to the following: 
 (a) Expenses. The Company shall, in accordance with any rules and policies that it may establish from time to time for executive
officers, reimburse Employee for business expenses reasonably incurred in the performance of his duties. It is understood that Employee is authorized to incur reasonable business expenses for promoting the business of the Company, including
reasonable expenditures for travel, lodging, meals and client or business associate entertainment. Request for reimbursement for such expenses must be accompanied by appropriate documentation, and shall be reimbursed in accordance with the
Company’s rules and policies as in effect from time to time and as set forth in Section 9(k)(iii) below. 
 (b)
Vacation. Employee shall be entitled to five (5) weeks of vacation per year, without any loss of compensation or benefits. Employee shall not be entitled to compensation for, or to carry forward, any unused vacation time. 
  

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 (c) General Benefits. Employee shall be entitled to participate in the various
employee benefit plans or programs, if any, provided to the officers of the Company in general, including but not limited to, health, dental, disability and life insurance plans, subject to the eligibility requirements with respect to each of such
benefit plans or programs, and such other benefits or perquisites as may be approved by the Board during the Term. Nothing in this paragraph shall be deemed to prohibit the Company from making any changes in any of the plans, programs or benefits
described in this Section 7, provided the change similarly affects all executive officers of the Company similarly situated. 
 (d) Corporate Change. Upon the occurrence of a “Corporate Change” as hereinafter defined, Employee shall be considered as immediately and totally vested in any and all Restricted Stock, stock options or other similar equity
or equity-based awards previously made to Employee by the Company or its subsidiaries under a “Long Term Incentive Plan” or other grant duly adopted by the Board or the Compensation Committee thereof (such Restricted Stock, options or
similar awards are hereinafter collectively referred to as “Awards”); provided, however, with respect to Awards that are deferred compensation subject to Code Section 409A, such accelerated vesting shall not cause an
acceleration of a payment or result in a change in form of payment that would violate Code Section 409A. For purposes of this Agreement, a “Corporate Change” shall occur if (i) the Company (A) shall not be the
surviving entity in any merger, consolidation or other reorganization (or survives only as a subsidiary of an entity other than a previously wholly-owned subsidiary of the Company) or (B) is to be dissolved and liquidated, and as a result of or
in connection with such transaction, the persons who were directors of the Company before such transaction shall cease to constitute a majority of the Board, or (ii) any person or entity, including a “group” as contemplated by
Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, acquires or gains ownership or control (including, without limitation, power to vote) of 30% or more of the outstanding shares of the Company’s voting stock (based upon
voting power), and as a result of or in connection with such transaction, the persons who were directors of the Company before such transaction shall cease to constitute a majority of the Board, or (iii) the Company sells all or substantially
all of the assets of the Company to any other person or entity (other than a wholly-owned subsidiary of the Company) in a transaction that requires shareholder approval pursuant to applicable corporate law; or (iv) during a period of two
consecutive calendar years, individuals who at the beginning of such period constitute the Board, and any new director(s) whose election by the Board or nomination for election by the Company’s stockholders was approved by a vote of at least a
majority of the directors then still in office, who either were directors at the beginning of the two (2) year period or whose election or nomination for election was previously so approved, cease for any reason to constitute a majority of the
Board; or (v) any other event that a majority of the Board, in its sole discretion, shall determine constitutes a Corporate Change hereunder. 
 8. Confidential Information. Employee, during the Term, will have access to and become familiar with confidential information, secrets and proprietary information concerning the business and affairs of the Company, its controlled
subsidiaries and other controlled entities, including client and customer information, information concerning their products, patent rights 

  

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and know-how, and other technical information, business strategies and pricing information, and other confidential and/or proprietary information
(collectively, “Confidential Information”). Confidential Information shall not include (i) any information that is or becomes generally available to the public other than as a result of Employee’s improper or unauthorized
disclosure of such information in violation of this Agreement or (ii) was within Employee’s possession prior to its affiliation with the Company or its controlled subsidiaries or other controlled entities (including his affiliation with
Endeavour International Operating Company, f/k/a NSNV, Inc. prior to its acquisition by the Company). As to such Confidential Information, Employee agrees as follows: 
 (a) During the Term or at any time following the termination of this Agreement, Employee will not, directly or indirectly, without the
prior written consent of the Company (1) disclose or permit the disclosure of any such Confidential Information, or (2) use, reproduce or distribute, or make or permit any use, reproduction or distribution of, directly or indirectly, any
such Confidential Information, except for any disclosure, use, reproduction or distribution that is required in the course of his employment with the Company, its controlled subsidiaries or other controlled entities. 
 (b) If, during the Term or at any time following the termination of this Agreement, Employee is requested or required (by oral question or
request for information or documents, in any legal proceeding, interrogatory, subpoena, civil investigative demand, or similar process) to disclose any Confidential Information, Employee agrees to notify the Company immediately in writing of the
request or requirement so that the Company may seek an appropriate protection order or waive compliance with the provisions of this Section. If, in the absence of a protective order or the receipt of a waiver under this Agreement, Employee is, on
the advice of counsel, compelled to disclose any Confidential Information to any tribunal or else stand liable for contempt, Employee may disclose such Confidential Information to the tribunal; provided, however, that Employee shall use his
commercially reasonable best efforts to obtain a court order or other assurance that confidential treatment will be accorded to such Confidential Information. 
 (c) Upon termination of employment of Employee, for whatever reason, Employee shall surrender to the Company any and all documents,
manuals, correspondence, reports, records and similar items then or thereafter coming into the possession of Employee which contain any Confidential Information of the Company or its controlled subsidiaries or other controlled entities. 

(d) Employee recognizes and acknowledges that the obligations of Employee contained in Section 8 of this Agreement are reasonable
and necessary to protect the legitimate business interests of the Company, and that any breach or violation of any of the provisions of such Section is likely to result in irreparable injury to the Company for which the Company would have no
adequate remedy at law. Employee agrees that if Employee shall breach or violate Section 8 of this Agreement, the Company shall be entitled, if it so elects, to institute and prosecute proceedings at law or in equity, including, but not limited
to, a proceeding seeking injunctive relief, to obtain damages with respect to such breach or violation, to enforce the specific performance of Section 8 

  

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this Agreement by Employee, or to enjoin Employee from engaging in any activity in violation of Section 8 of this Agreement. Employee acknowledges that
in the event of any such breach or violation, the Company shall be entitled to preliminary and permanent injunctive relief, without the necessity of proving actual damages or posting a bond, and to an equitable accounting of all earnings, profits,
and other benefits arising from any such breach or violation, which rights shall be cumulative and in addition to any other rights or remedies to which the Company may be entitled. Employee agrees that in the event of any such violation, an action
may be commenced for preliminary or permanent injunctive relief and other equitable relief in any federal or state court of competent jurisdiction sitting in Harris County, Texas, or in any other court of competent jurisdiction. Employee waives, to
the fullest extent permitted by law, any objection that Employee may now or hereafter have to such jurisdiction or to the laying of the venue of any such suit, action, or proceeding brought in such a court and any claim that such suit, action or
proceeding has been brought in an inconvenient forum. Employee agrees that effective service of process may be made upon Employee under the notice provisions contained in Section 12 of this Agreement. Employee further agrees that the existence
of any claim or cause of action against the Company, whether predicated upon a breach or violation by the Company of this Agreement or any other contract or agreement between Employee and the Company, shall not constitute or be asserted as a defense
to the enforcement by the Company to the provisions of this Section relating to the Company’s right to injunctive or other equitable relief for Employee’s breach or violation of Section 8 of this Agreement. 
 9. Termination. This Agreement may be terminated prior to the end of the Term as set forth below: 
 (a) Resignation (other than for Good Reason). Employee may resign, including by reason of retirement, his position at any time by
providing written notice of resignation to the Company in accordance with Section 12 hereof. In the event of such resignation, except in the case of resignation for Good Reason (as defined below), this Agreement shall terminate and Employee
shall not be entitled to further compensation pursuant to this Agreement other than payment for (i) any unpaid Base Compensation or unpaid Bonus accrued hereunder as of Employee’s employment termination date, and (ii) any unpaid
reasonable business expenses incurred prior to Employee’s employment termination date, subject to the Company’s expense reimbursement rules and policies as in effect from time to time (the “Accrued Amounts”). Accrued
Amounts, if any, shall be paid to Employee in accordance with the Company’s customary payroll practices as in effect from time to time, but in no event later than fifteen (15) days following Employee’s termination of employment.

 (b) Death. If Employee’s employment is terminated due to his death, this Agreement shall terminate and the
Company shall have no obligations to Employee or his estate, beneficiaries or legal representatives with respect to this Agreement other than payment of the Accrued Amounts, if any. Accrued Amounts, if any, shall be paid to Employee in accordance
with the Company’s customary payroll practices as in effect from time to time but in no event later than 15 days following Employee’s termination of employment on account of death. Notwithstanding the foregoing, in the event of his 

  

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death, Employee shall be considered as immediately and totally vested in any and all outstanding Awards previously granted to Employee by Company or its
subsidiaries; provided, however, with respect to Awards that are deferred compensation subject to Code Section 409A, such accelerated vesting shall not cause an acceleration of a payment or result in a change in form of payment that would
violate Code Section 409A. 
 (c) Discharge. 
 (i) The Company may terminate Employee’s employment in the event of Employee’s Misconduct or Disability (both as defined below)
only upon written notice thereof delivered to Employee in accordance with Section 9(f) and Section 12 hereof. In the event that Employee’s employment is terminated during the Term by the Company for any reason other than his
Misconduct or Disability (both as defined below), then, except as provided in Section 9(k)(i) below, (A) the Company shall pay in lump sum in cash to Employee, within fifteen (15) days following the expiration of the revocation period
for the Release (as defined below), but in no event later than the fifteenth (15th) day of the third month following the year in which the Date of Termination occurs, an amount equal to the product of (x) Employee’s Base Compensation
as in effect immediately prior to Employee’s termination, multiplied by (y) three, (B) for three years following the expiration of the revocation period for the Release, the Company, at its cost, shall provide or arrange to provide
Employee (and, as applicable, Employee’s dependents) with accident and group health insurance benefits substantially similar to those which Employee (and Employee’s dependents) were receiving immediately prior to Employee’s
termination (if any); provided, however, the welfare benefits otherwise receivable by Employee pursuant to this clause (B) shall be reduced to the extent comparable welfare benefits are actually received by Employee (and/or
Employee’s dependents) during such period under any other employer’s welfare plan(s) or program(s), with Employee being obligated to promptly disclose to the Company any such comparable welfare benefits; and provided,
further, however, that for the avoidance of doubt, the COBRA continuation period shall run concurrently with the period set forth in this Clause (B). In addition to the aforementioned compensation and benefits, (C) the Company
shall pay in lump sum in cash to Employee, within fifteen (15) days following the expiration of the revocation period for the Release, but in no event later than the fifteenth (15th) day of the third month following the year in which the
Date of Termination occurs, an amount equal to the product of (x) Employee’s average Bonus paid by the Company during the most recent two (2) years immediately prior to the date of termination, multiplied by (y) three and
(D) Employee shall be considered as immediately and totally vested in any and all Awards previously granted to Employee by Company or its subsidiaries; provided, however, with respect to Awards that are deferred compensation subject to Code
Section 409A, such accelerated vesting shall not cause an acceleration of a payment or result in a change in form of payment that would violate Code Section 409A. With respect to benefits set forth under Clause (B) above, all
insurance premiums and/or benefits payments made by the Company with respect to such benefits shall be made so as to be exempt from Section 409A of the Code 

  

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and, for purposes thereof, each such payment shall be treated as a separate payment under Section 409A of the Code. To the extent any such payments are
not exempt from Section 409A of the Code (i.e., they constitute “nonqualified deferred compensation” subject to Section 409A of the Code), such payments shall be paid by the Company according to a fixed schedule consisting of
monthly installment payments. If the Company’s pre-tax payment of the premiums for such benefits would cause the Executive to be taxed on the Company’s actual cost of providing such accident and group health insurance benefits because such
benefits are “self-insured,” the Company will instead pay such premiums on an after-tax basis so the premium amounts are included in the Employee’s taxable income. With respect to any such benefits that are taxable and not otherwise
excluded from deferred compensation under Code Section 409A, any amount reimbursable and paid in one tax year shall not affect the amount to be reimbursed or paid in another tax year, all reimbursements shall be paid no later than the end of
the Executive’s taxable year following the tax year in which such expenses were incurred and the reimbursements under this Section cannot be substituted for any other benefit. The Company’s obligation to make the payments and provide the
benefits described in this Section 9(c)(i) is conditioned expressly on Employee’s executing (and not revoking) a general release of any and all claims arising out of or relating to Employee’s employment and termination of employment
in a form reasonably satisfactory to the Company (the “Release”). If Employee fails to execute a Release within forty-five (45) days following the later of (i) the Date of Termination or (ii) the date Employee
actually receives an execution copy of such Release (which shall be delivered to Employee no later than five (5) business days following Date of Termination), or if Employee revokes such Release within seven (7) days following execution,
Employee shall forfeit all payments and benefits described hereunder. 
 (ii) In the event Employee is terminated because of
Misconduct, the Company shall have no obligations pursuant to this Agreement after the Date of Termination other than for payment of the Accrued Amounts, if any. As used herein, “Misconduct” means (A) the continued failure by
Employee to substantially perform his duties with the Company (other than any such failure resulting from Employee’s incapacity due to physical or mental illness or any such actual or anticipated failure after the issuance of a Notice of
Termination by Employee for Good Reason), after a written demand for substantial performance is delivered to Employee by the Board, which demand specifically identifies the manner in which the Board believes that Employee has not substantially
performed his duties, and the Employee fails to cure such failure within ten (10) days after receipt of such demand, (B) the engaging by Employee in conduct which is demonstrably and materially injurious to the Company, monetarily or
otherwise (other than such conduct resulting from Employee’s incapacity due to physical or mental illness or any such actual or anticipated conduct after the issuance of a Notice of Termination by Employee for Good Reason),
(C) Employee’s conviction for the commission of a felony or (D) action by Employee toward the Company involving dishonesty. Anything contained in this Agreement to the contrary notwithstanding, the Board shall have the sole power and
authority to terminate the employment of Employee on behalf of the Company. 
  

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 (d) Disability. If Employee shall have been absent from the full-time performance
of Employee’s duties with the Company for ninety (90) consecutive calendar days as a result of Employee’s incapacity due to physical or mental illness, Employee’s employment may be terminated by the Company for
“Disability” and Employee shall not be entitled to further compensation pursuant to this Agreement, other than for payment of the Accrued Amounts, if any. Notwithstanding the foregoing, in the event that Employee’s employment
is terminated by the Company due to Disability, Employee shall be considered as immediately and totally vested in any and all Awards previously granted to Employee by the Company or its subsidiaries; provided, however, with respect to Awards that
are deferred compensation subject to Code Section 409A, such accelerated vesting shall not cause an acceleration of a payment or result in a change in form of payment that would violate Code Section 409A. 
 (e) Resignation for Good Reason. Employee shall be entitled to terminate his employment for Good Reason as defined herein. If
Employee terminates his employment for Good Reason, he shall be entitled to the compensation and benefits provided in Section 9(c)(i) hereof in accordance with the terms therein, including, without limitation, the requirement that Employee
execute and not revoke the Release contemplated in Section 9(c)(i). “Good Reason” shall mean the occurrence of any of the following circumstances without Employee’s express written consent; provided, that,
Employee has provided a Notice of Termination to the Company within fifteen (15) days after the initial occurrence of any such circumstance of Employee’s intention to terminate Employee’s employment for Good Reason, and the Company
has failed to cure, to the extent curable, such circumstance within fifteen (15) days of receipt of the Notice of Termination given in respect hereof: 
 (i) the material breach of any of the Company’s obligations under this Agreement without Employee’s express written consent; 
 (ii) the continued assignment to Employee of any duties inconsistent with the office of Chairman, Chief Executive Officer and President;

 (iii) the failure by the Company to pay to Employee any portion of Employee’s compensation; 
 (iv) the failure by the Company to continue to provide Employee with benefits substantially similar to those enjoyed by other executive
officers who have entered into similar employment agreements with the Company under any of the Company’s medical, health, accident, and/or disability plans in which Employee was participating immediately prior to such time; 
 (v) a change in the location of Employee’s principal place of employment by the Company by more than 50 miles from the Company’s
headquarters in Houston, Texas; or 
  

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 (vi) the failure of the Company to obtain a satisfactory agreement from any successor to
assume and agree to perform this Agreement, as contemplated in Section 14 hereof. 
 In addition, the occurrence of a
Corporate Change, shall constitute “Good Reason” hereunder, but only if Employee terminates his employment within ninety (90) days following the effective date of such Corporate Change. 
 (f) Notice of Termination. Any purported termination of Employee’s employment by the Company under Sections 9(c)(ii)
(Misconduct) or 9(d) (Disability), or by Employee under Section 9(e) (Good Reason), shall be communicated by written Notice of Termination to the other party hereto in accordance with Section 12 hereof. For purposes of this Agreement, a
“Notice of Termination” shall mean a notice which, if by the Company and is for Misconduct or Disability, shall set forth in reasonable detail the reason for such termination of Employee’s employment, or in the case of
resignation by Employee for Good Reason, said notice must specify in reasonable detail the basis for such resignation. A Notice of Termination given by Employee pursuant to Section 9(e) shall be effective even if given after the receipt by
Employee of notice that the Board has set a meeting to consider terminating Employee for Misconduct. Any purported termination for which a Notice of Termination is required which is not effected pursuant to this Section 9(f) shall not be
effective. 
 (g) Date of Termination. “Date of Termination” shall mean the date specified in the
Notice of Termination, provided that the Date of Termination shall be at least fifteen (15) days following the date the Notice of Termination is given; provided, however, that in the case of Employee’s resignation for Good
Reason, Date of Termination shall mean the close of business on the last day on which the Company may cure any circumstance alleged by Employee to give rise to a Good Reason termination. Notwithstanding the foregoing, in the event Employee is
terminated for Misconduct, the Company may refuse to allow Employee access to the Company’s offices (other than to allow Employee to collect his personal belongings under the Company’s supervision) prior to the Date of Termination.
Notwithstanding anything herein to the contrary, for purposes of this Agreement, “termination of employment” shall mean Employee’s “separation from service” from the Company and its “affiliates” as defined in Code
Section 409A and Final Treasury Regulations Section 1.409A-1(h), including the default presumptions thereof. For purposes of this Agreement, “affiliate” shall mean (i) any person or entity that directly or indirectly
controls, is controlled by or is under common control with the Company and/or (ii) to the extent provided by the Board, any person or entity in which the Company has a significant interest. The term “control” (including, with
correlative meaning, the terms “controlled by” and “under common control with”), as applied to any person or entity, means the possession, directly or indirectly, of the power to direct or cause the direction of the management
and policies of such person or entity, whether through the ownership of voting or other securities, by contract or otherwise; provided, however, with respect to any payment or benefit subject to Section 409A of the Code, the term
“affiliate” shall mean any member of the Company’s control group within the meaning of Final Treasury Regulations Section 1.409A-1(h)(3), as such may be modified or amended from time to time, by applying the “at least
50 percent” provisions thereof. 
  

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 (h) Mitigation. Employee shall not be required to mitigate the amount of any
payment provided for in this Section 9 by seeking other employment or otherwise, nor (except as set forth in Section 9(c)(i)(B)) shall the amount of any payment provided for in this Agreement be reduced by any compensation earned or
benefits received by Employee as a result of employment by another employer, except that any severance amounts payable to Employee pursuant to the Company’s severance plan or policy for employees in general shall reduce the amount otherwise
payable pursuant to Sections 9(c)(i) or 9(e). 
 (i) Excess Parachute Payments. Notwithstanding anything in this
Agreement to the contrary, to the extent that any payment or benefit received or to be received by Employee hereunder in connection with the termination of Employee’s employment would, as determined by tax counsel selected by the Company,
constitute an “Excess Parachute Payment” (as defined in Section 280G of the Internal Revenue Code), the Company shall fully “gross-up” such payment so that Employee is in the same “net” after-tax position he would
have been if such payment and gross-up payments had not constituted Excess Parachute Payments, and such “gross-up” payment shall be made no later than the end of Employee’s taxable year next following Employee’s taxable year in
which he remits the taxes to which such gross-up payment relates. The Company shall reimburse any costs and expenses incurred by Employee, including without limitation, attorneys’ fees due to a tax audit or litigation in connection with any
excise tax (including penalties and interest or other excise taxes thereon) under Code Section 4999 or Code Section 280G and any such reimbursement shall be made by the end of the Employee’s tax year following the tax year in which
such taxes that are subject to the audit or litigation are remitted to the taxing authority, or where as a result of such audit or litigation no taxes are remitted, by the end of the Employee’s tax year following the tax year in which the audit
is completed or there is a final nonappealable settlement or other resolution of the litigation. The Employee’s right to payment or reimbursement pursuant to this Section 9(i) shall not be subject to liquidation or exchange for any other
benefit. 
 (j) Resignation from Board. In the event Employee’s employment by the Company is terminated for any
reason (other than Employee’s death), Employee shall immediately resign as a member of the Board and the board of directors of any of the Company’s subsidiaries. Nothing herein shall be deemed to limit the power of the shareholders of the
Company to at any time remove any director, including, without limitation, Employee, in accordance with applicable law. All payments to Employees pursuant to this Agreement shall be conditioned upon Employee’s compliance with his obligations
under this Section 9(j). 
 (k) Code Section 409A. 
 (i) Notwithstanding any provision of this Section 9 to the contrary, if all or any portion of the benefits provided in this
Section 9 is determined to be “nonqualified deferred compensation” subject to Code Section 409A, and the 

  

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Company determines that Employee is a “specified employee” as defined in Section 409A(a)(2)(B)(i) of the Code and the regulations and other
guidance issued thereunder, then such benefits (or portion thereof) shall be accumulated and paid on the first day of the seventh month following Employee’s termination of employment. For purposes of this Agreement, whether Employee is a
“specified employee” will be determined in accordance with the written procedures adopted by the Board. 
 (ii) This
Agreement is intended to comply with the provisions of Section 409A of the Code, and shall be interpreted and construed accordingly. The Company shall have the discretion and authority to amend this Agreement at any time to satisfy any
requirements of Code Section 409A or guidance published thereunder; provided, however, any such amendment shall maintain the economic terms of this Agreement for the Employee. However, in no event will the Company have any liability for any
failure of the Agreement to satisfy Code Section 409A, and the Company does not guarantee that the Agreement complies with Code Section 409A. 
 (iii) The Company shall promptly reimburse Employee for eligible expenses under this Agreement that Employee incurs and properly reports to the Company in accordance with its expense reimbursement rules and policies.
Notwithstanding anything herein to the contrary or otherwise, all reimbursements shall be made so as to be exempt from Section 409A of the Code and to the extent not exempt: (A) the amount of expenses eligible for reimbursement or in-kind
benefits provided during any calendar year will not affect the amount of expenses eligible for reimbursement or in-kind benefits provided in any other calendar year, (B) the reimbursements for expenses for which Employee is entitled to be
reimbursed shall be made on or before the last day of the calendar year following the calendar year in which the applicable expense is incurred and (C) the right to payment or reimbursement or in-kind benefits hereunder may not be liquidated or
exchanged for any other benefit. 
 10. Non-exclusivity of Rights. Nothing in this Agreement shall prevent or limit Employee’s
continuing or future participation in any benefit, bonus, incentive, or other plan or program provided by the Company or any of its affiliated companies and for which Employee may qualify, nor shall anything herein limit or otherwise adversely
affect such rights as Employee may have under any Awards with the Company or any of its affiliated companies. 
 11. Assignability.
The obligations of Employee hereunder are personal and may not be assigned or delegated by him or transferred in any manner whatsoever, nor are such obligations subject to involuntary alienation, assignment or transfer. The Company shall have the
right to assign this Agreement and to delegate all rights, duties and obligations hereunder, either in whole or in part, to any parent, affiliate, successor or subsidiary organization or company of the Company, so long as the obligations of the
Company under this Agreement remain the obligations of the Company. 
  

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 12. Notice. For the purpose of this Agreement, notices and all other communications provided for
in this Agreement shall be in writing and shall be deemed to have been duly given when delivered or mailed by United States registered mail, return receipt requested, postage prepaid, addressed to the Company at its principal office address,
directed to the attention of the Board with a copy to the Secretary of the Company, and to Employee at Employee’s residence address on the records of the Company or to such other address as either party may have furnished to the other in
writing in accordance herewith except that notice of change of address shall be effective only upon receipt. 
 13. Validity. The
invalidity or unenforceability of any provision of this Agreement shall not affect the validity or enforceability of any other provision of this Agreement, which shall remain in full force and effect. 
 14. Successors; Binding Agreement. 
 (a) The Company will require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business and/or assets of the Company to expressly assume and
agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform it if no such succession had taken place. Failure of the Company to obtain such agreement prior to the effectiveness of any such
succession shall be a breach of this Agreement and shall entitle Employee to compensation from the Company in the same amount and on the same terms as he would be entitled to hereunder if he terminated his employment for Good Reason, except that for
purposes of implementing the foregoing, the date on which any such succession becomes effective shall be deemed the Date of Termination. As used herein, the term “Company” shall include any successor to its business and/or assets as
aforesaid which executes and delivers the Agreement provided for in this Section 14 or which otherwise becomes bound by all terms and provisions of this Agreement by operation of law. 
 (b) This Agreement and all rights of Employee hereunder shall inure to the benefit of and be enforceable by Employee’s personal or
legal representatives, executors, administrators, successors, heirs, distributees, devisees and legatees. If Employee should die while any amounts would be payable to him hereunder if he had continued to live, all such amounts, unless otherwise
provided herein, shall be paid in accordance with the terms of this Agreement to Employee’s devisee, legatee, or other designee or, if there be no such designee, to Employee’s estate. 
 15. Withholding Taxes. 
 (a) Tax Withholding. The Company shall have the power and the right to deduct or withhold from any benefits payable under this Agreement an amount sufficient to satisfy federal, state, and local taxes, domestic or foreign, required
by law or regulation to be withheld. 
 (b) Share Withholding. With respect to tax withholding required upon the upon
the lapse of restrictions on the Inducement Stock and the Salary Stock, or upon any 

  

 12 

 
other taxable event arising as a result of any stock awards pursuant to this Agreement, Employee may elect, to satisfy the withholding requirement, in whole
or in part, by having the Company withhold shares having a Fair Market Value on the date the tax is to be determined equal to the minimum statutory total tax which could be imposed on the transaction. All such elections shall be made in writing,
signed by the Employee, and shall be subject to any restrictions or limitations that the Company, in its discretion, deems appropriate. Any fraction of a share required to satisfy such obligation shall be disregarded and the Employee shall instead
pay the amount due in cash. 
 16. No Restraints. As an inducement to the Company to enter into this Agreement, Employee represents
and warrants that he is not a party to any other agreement or obligation for personal services, and that there exist no impediments or restraints, contractual or otherwise, on Employee’s powers right or ability to enter into this Agreement and
to perform his duties and obligations hereunder. 
 17. Miscellaneous. No provision of this Agreement may be modified, waived or
discharged unless such waiver, modification or discharge is agreed to in writing and signed by Employee and such officer as may be specifically authorized by the Board. No waiver by either party hereto at any time of any breach by the other party
hereto of, or in compliance with, any condition or provision of this Agreement to be performed by such other party shall be deemed a waiver of similar or dissimilar provisions or conditions at the same or at any prior or subsequent time. This
Agreement is an integration of the parties’ agreement; no agreement or representations, oral or otherwise, express or implied, with respect to the subject matter hereof have been made by either party, except those which are set forth expressly
in this Agreement. THE VALIDITY, INTERPRETATION, CONSTRUCTION AND PERFORMANCE OF THIS AGREEMENT SHALL BE GOVERNED BY THE LAWS OF THE STATE OF TEXAS. 
 18. Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed to be an original but all of which together will constitute one and the same instrument. 

19. Arbitration. Either party may elect that any dispute or controversy arising under or in connection with this Agreement be settled by
arbitration in Houston, Texas in accordance with the rules of the American Arbitration Association then in effect. If the parties cannot mutually agree on an arbitrator, then the arbitration shall be conducted by a three arbitrator panel, with each
party selecting one arbitrator and the two arbitrators so selected selecting a third arbitrator. The findings of the arbitrator(s) shall be final and binding, and judgment may be entered thereon in any court having jurisdiction. The findings of the
arbitrator(s) shall not be subject to appeal to any court, except as otherwise provided by applicable law. The arbitrator(s) may, in his or her (or their) own discretion, award legal fees and costs to the prevailing party. 
 [Signature Page Follows] 
  

 13 

 IN WITNESS WHEREOF, the parties have executed this Agreement on December 23, 2008 effective for all
purposes as provided above. 
  

			
	ENDEAVOUR INTERNATIONAL CORPORATION
		
	By:	 	 /s/    John B. Connally III

	Name:	 	John B. Connally III
	Title:	 	Chair of the Compensation Committee
	
	EMPLOYEE:
	
	 /s/    William L. Transier

	 William L. Transier

  

 14Form of Amended Change in Control Termination Benefits Agreement

 Exhibit 10.8 
 AMENDED CHANGE IN CONTROL 
 TERMINATION BENEFITS AGREEMENT 
 WHEREAS, Endeavour International Corporation, a Nevada corporation (the “Company”), and
                     (the “Executive”) entered into the Change in Control and Termination Benefits Agreement on
                    ; and 
 WHEREAS, the Company and Executive desire to amend the Agreement to comply with Section 409A of the Internal Revenue Code of 1986, as amended and the rules, notices and regulations thereunder (the “Code”); 
 NOW, THEREFORE, the Company and Executive, for mutual agreements, covenants and warranties herein and other good and valuable consideration, agree to
amend the Agreement in its entirety, effective December 31, 2008 (the “Amended Agreement”) as follows: 
 1. Change
in Control. For purposes of the Amended Agreement, a “Change in Control” shall be deemed to have taken place if any of the following occurs: 
 (a) the Company (i) shall not be the surviving entity in any merger, consolidation or other reorganization (or survives only as a subsidiary of an entity other than a previously wholly-owned subsidiary of the
Company), or (ii) is to be dissolved and liquidated, and as a result of or in connection with such transaction, the persons who were directors of the Company before such transaction shall cease to constitute a majority of the Board; 

(b) any person or entity, including a “group” as contemplated by Section 13(d)(3) of the Exchange Act, acquires or gains ownership or
control (including, without limitation, power to vote) of 30% or more of the outstanding shares of the Company’s voting stock (based upon voting power), and as a result of or in connection with such transaction, the persons who were directors
of the Company before such transaction shall cease to constitute a majority of the Board; 
 (c) the Company sells all or substantially all
of the assets of the Company to any other person or entity (other than a wholly-owned subsidiary of the Company) in a transaction that requires shareholder approval pursuant to applicable corporate law; or 
 (d) during a period of two consecutive calendar years, individuals who at the beginning of such period constitute the Board, and any new director(s)
whose election by the Board or nomination for election by the Company’s stockholders was approved by a vote of at least a majority of the directors then still in office, who either were directors at the beginning of the two (2) year period
or whose election or nomination for election was previously so approved, cease for any reason to constitute a majority of the Board. 
 2.
Circumstances Triggering Receipt of Termination Benefits. 
 (a) Subject to Section 2(c), the Company will provide the Executive with
the benefits set forth in Section 4 upon any termination of the Executive’s employment: 
 (i) by the Company at any
time within the first 24 months after a Change in Control; 

 (ii) by the Executive for “Good Reason” (as defined in Section 2(b) below)
at any time within the first 24 months after a Change in Control; or 
 (iii) by the Company or the Executive pursuant to
Section 2(d). 
 (b) In the event of a Change in Control, the Executive may terminate employment with the Company and/or any subsidiary
for “Good Reason,” following notice and opportunity for remedy as set forth herein and in Section 3. For purposes hereof, “Good Reason” shall mean (subject to such notice and opportunity to remedy) the occurrence of
any of the following events without the Executive’s prior written consent: 
 (i) A material reduction of the
Executive’s authorities, duties, or responsibilities as an executive and/or officer of the Company from those in effect as of ninety (90) calendar days prior to the Change in Control, other than an insubstantial and inadvertent reduction
that is remedied by the Company promptly after receipt of notice thereof given by the Executive; provided, however, that any reduction in the foregoing resulting merely from the acquisition of the Company and its existence as a subsidiary or
division of another entity such as a change in reporting relationship or title shall not be sufficient to constitute Good Reason; 
 (ii) The Company’s requiring the Executive to be based at a location in excess of fifty (50) miles from the location of the Executive’s principal job location or office immediately prior to the Change in Control; except for
required travel on the Company’s business to an extent substantially consistent with the Executive’s then present business travel obligations; 
 (iii) A reduction by the Company of the Executive’s Base Salary and/or target annual bonus opportunity in effect on the Effective Date hereof, or as the same shall be increased from time to time; 
 (iv) The failure of the Company to obtain a satisfactory agreement from any successor to the Company to assume and agree to perform the
Company’s obligations under this Amended Agreement, as contemplated in Section 8 (where it requires successors to accept this Amended Agreement) herein; or 
 (v) A material breach of this Amended Agreement by the Company which is not remedied by the Company. 
 (c) Notwithstanding Sections 2(a) and (b) above, no benefits shall be payable by reason of this Amended Agreement in the event of: 
 (i) Termination of the Executive’s employment with the Company and/or its subsidiaries by reason of the Executive’s death or
Disability; provided, that, the Executive has not previously given a valid “Notice of Termination” pursuant to Section 3. For purposes hereof, “Disability” shall mean the Executive’s inability, due to 

  

 2 

 
physical or mental infirmity, to perform the Executive’s material duties and responsibilities to the Company and its subsidiaries for any period of six
consecutive months or for any period of eight months out of any 12-month period, as determined by a physician selected by the Company or its insurers and acceptable to the Executive or the Executive’s legal representative (such agreement as to
acceptability not to be withheld unreasonably); 
 (ii) Termination of the Executive’s employment with the Company and/or
its subsidiaries on account of the Executive’s retirement without Good Reason; provided, however, that, if at the time of such retirement the Executive has Good Reason to terminate the Executive’s employment hereunder, then such retirement
shall be treated hereunder as a termination of the Executive’s employment for Good Reason and the Executive shall be entitled to the benefits provided in Section 4 hereof; 
 (iii) Termination of the Executive’s employment with the Company and its subsidiaries for Cause. For the purposes hereof,
“Cause” shall mean: 
 (A) The Executive’s willful failure to substantially perform his or her duties
with the Company (other than any such failure resulting from the Executive’s Disability), after a written demand for substantial performance is delivered to the Executive that specifically identifies the manner in which the Committee believes
that the Executive has not substantially performed his or her duties, and the Executive has failed to remedy the situation within fifteen (15) business days of such written notice from the Company; 
 (B) Gross negligence in the performance of the Executive’s duties which results in material financial harm to the Company;

 (C) The Executive’s conviction of, or plea of guilty or nolo contendere, to any felony or any other crime involving
the personal enrichment of the Executive at the expense of the Company; 
 (D) The Executive’s willful engagement in
conduct that is demonstrably and materially injurious to the Company, monetarily or otherwise; or 
 (E) The Executive’s
willful violation of any of the covenants contained in Section 7. 
 Notwithstanding the foregoing, “Cause” shall not exist
unless and until the Company has delivered to the Executive, along with the Notice of Termination for Cause, a copy of a resolution duly adopted by three-quarters (3/4) of the entire Board (excluding the Executive if the Executive is a Board
member) at a meeting of the Board called and held for such purpose (after reasonable notice to the Executive and an opportunity for the Executive, together with counsel, to be heard before the Board), finding that in the good faith opinion of the
Board an event (or events) set forth in clauses (A)-(E) above has occurred and specifying the particulars thereof in detail. 
  

 3 

 This Section 2(c) shall not preclude the payment of any amounts otherwise payable to the Executive
under any of the Company’s employee benefit plans, stock plans, programs and arrangements, which payment shall be governed exclusively by the terms thereof. 
 (d) A termination of the Executive’s employment by the Company without Cause or by the Executive for an event that would constitute Good Reason following a Change in Control, that occurs, in either event, prior
to a Change in Control, but occurs (i) not more than 180 days prior to the date on which a Change in Control occurs and (ii) (x) at the request of a third party who has indicated an intention or taken steps reasonably calculated to
effect a Change in Control or (y) otherwise arose in connection with, or in anticipation of, a Change in Control, shall be deemed to be a termination or removal of the Executive without Cause within the first 24 months after a Change in Control
for purposes of this Amended Agreement. Notwithstanding anything herein to the contrary, for the purposes of this subsection (d) such a Change in Control must also constitute a change in ownership of the Company, a change in effective control
of the Company or a change in ownership of a substantial portion of the Company’s assets within the meaning of Code Section 409A and Treasury Regulation 1.409A-3(i)(5). 
 3. Notice of Termination; Termination Date. Any termination of the Executive’s employment with the Company and its subsidiaries as
contemplated by Section 2 shall be communicated by written “Notice of Termination” to the other party hereto. Any “Notice of Termination” shall indicate the effective date of termination, which, shall be more than 60 days
after the date the Notice of Termination is delivered (the “Termination Date”), the specific provision in this Amended Agreement relied upon, and, except for a termination pursuant to Section 2(d), will set forth in reasonable
detail the facts and circumstances claimed to provide a basis for such termination including, if applicable, the failure by the Company, after provision of written notice by the Executive, to effect a remedy (to the extent curable) of any of the
events set forth in Section 2(b). Notwithstanding the foregoing, in the case of the Executive’s resignation for Good Reason, Termination Date shall mean the close of business on the last day on which the Company may cure any event alleged
by the Executive to give rise to a Good Reason termination. Executive must provide the Notice of Termination to the Company within 90 days of the events constituting Good Reason for termination and the Company shall have a period of 30 days after
the Notice of Termination during which the Company may remedy the condition before such termination shall be effective. In the event the Company effects a remedy within such 30-day period and the Executive does not rescind the Notice of Termination
upon being notified of such remedy, the termination benefits described in Section 4 hereof shall not be payable with respect to such termination. 
 4. Termination Benefits. Subject to the conditions set forth in Section 2(a) and contingent upon the Executive’s executing (and not revoking) the “Release” (as defined below), the following
post-termination payments or benefits shall be paid or provided to the Executive following the Executive’s termination of employment: 
 (a) Severance Payment. The Company shall pay to the Executive, as a severance payment, an amount equal to the sum of (i) two times (A) the Executive’s “Base Pay”, which shall be an amount equal to the greater
of (x) the Executive’s rate of annual base salary (prior to any deferrals) at the Termination Date or (y) the Executive’s rate of annual base salary (prior to any deferrals) immediately prior to the Change in Control, and
(B) the Executive’s 

  

 4 

 
“Incentive Pay”, which shall be an amount equal to the average annual bonus earned by the Executive under the Company’s incentive compensation
plan or any other annual bonus plan (whether paid currently or on a deferred basis) during the three fiscal years of the Company immediately preceding the fiscal year of the Company in which the Change in Control occurred plus (ii) a pro rata
portion of the Executive’s target bonus for the fiscal year in which the Termination Date occurs, which payment, except as provided in Section 4(d) below, shall be made in a single lump sum on the first business day following the
expiration of the revocation period for the Release. 
 (b) Health Benefits. To the extent the Executive timely elects to continue
healthcare coverage through COBRA, the Company shall pay that portion of the COBRA premium equal to the difference between the COBRA premium and Executive’s monthly contribution towards health benefits that is in effect as of the date of
Executive’s termination of employment for a period equal to 18 months following the Termination Date; provided, that, the Company’s obligation to provide such health benefits shall cease at the time Executive becomes eligible for health
benefits from another employer. If the Company’s pre-tax payment of the premiums for such benefits would cause the Executive to be taxed on the Company’s actual cost of providing such accident and group health insurance benefits because
such benefits are “self-insured,” the Company will pay such premiums on an after-tax basis so the premium amounts are included in the Employee’s taxable income. With respect to any such benefits that are taxable and not otherwise
excluded from deferred compensation under Code Section 409A, any amount reimbursable and paid in one tax year shall not affect the amount to be reimbursed or paid in another tax year, all reimbursements shall be paid no later than the end of
the Executive’s taxable year following the tax year in which such expenses were incurred and the reimbursements under this Section cannot be substituted for any other benefit. 
 (c) Release. The Company’s obligation to make the payment and provide the benefits described in this Section 4 are conditioned expressly
on the Executive’s executing (and not revoking) a general release of claims against the Company (as “Company” is defined in Section 8) and its subsidiaries in a form reasonably satisfactory to the Company (the
“Release”). If the Executive fails to execute a Release within forty-five (45) days following the later of (i) the Termination Date or (ii) the date the Executive actually receives an execution copy of such Release
(which shall be delivered to the Executive no later than five (5) business days following the Termination Date), or if the Executive revokes such Release within seven (7) days following execution, the Executive shall forfeit all payments
and benefits described hereunder. 
 (d) Specified Employee. Notwithstanding the foregoing, if all or any portion of the severance
payment or benefits are determined to be “nonqualified deferred compensation” subject to Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”), and the Company determines that the Executive is a
“specified employee” as defined in Section 409A(a)(2)(B)(i) of the Code and Final Treasury Regulations promulgated thereunder (the “Treasury Regulations”) and other guidance published thereunder, then such payment (or
portion thereof) shall be accumulated and paid on the first day of the seventh month following the Executive’s separation from service. For purposes of this Amended Agreement, whether the Executive is a “specified employee” will be
determined in accordance with the written procedures adopted by the Board. 
  

 5 

 (e) Separation from Service. Notwithstanding anything herein to the contrary, for purposes of this
Amended Agreement, “termination of employment” shall mean the Executive’s “separation from service” from the Company and its “affiliates” as defined in Code Section 409A and Final Treasury Regulations
Section 1.409A-1(h), including the default presumptions thereof. For purposes of this Amended Agreement, “affiliate” shall mean shall mean (i) any person or entity that directly or indirectly controls, is controlled by or
is under common control with the Company and/or (ii) to the extent provided by the Board, any person or entity in which the Company has a significant interest. The term “control” (including, with correlative meaning, the terms
“controlled by” and “under common control with”), as applied to any person or entity, means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of such person or
entity, whether through the ownership of voting or other securities, by contract or otherwise; provided, however, with respect to any payment subject to Section 409A of the Code, the term “affiliate” shall mean any member of the
Company’s control group within the meaning of Final Treasury Regulations Section 1.409A-1(h)(3), as such may be modified or amended from time to time, by applying the “at least 50 percent” provisions thereof. 
 5. Certain Additional Payments by the Company. 
 (a) Anything in this Amended Agreement to the contrary notwithstanding, in the event that it shall be determined (as hereafter provided) that any payment (other than the Gross-Up payments provided for in this
Section 5) or benefit provided by the Company or any of its subsidiaries to or for the benefit of the Executive, whether paid or payable or provided pursuant to the terms of this Amended Agreement or otherwise pursuant to or by reason of any
other agreement, policy, plan, program or arrangement, including without limitation any stock option, stock appreciation right or similar right, restricted stock, deferred stock or the lapse or termination of any restriction on, deferral period for,
or the vesting or exercisability of any of the foregoing (a “Payment”), would be subject to the excise tax imposed by Section 4999 of the Code (or any successor provision thereto) by reason of being considered “contingent
on a change in ownership or control” of the Company, within the meaning of Section 280G of the Code (or any successor provision thereto) or to any similar tax imposed by state or local law, or any interest or penalties with respect to any
such tax (such tax or taxes, together with any such interest and penalties, being hereafter collectively referred to as the “Excise Tax”), then the Executive shall be entitled to receive an additional payment or payments
(collectively, a “Gross-Up Payment”). The Gross-Up Payment shall be in an amount such that, after payment by the Executive of all taxes (including any interest or penalties imposed with respect to such taxes), including any Excise
Tax and any income tax imposed upon the Gross-Up Payment, the Executive retains an amount of Gross-Up Payment equal to the Excise Tax imposed upon the Payment. 
 (b) Subject to the provisions of Section 5(f), all determinations required to be made under this Section 5, including whether an Excise Tax is payable by the Executive and the amount of such Excise Tax and
whether a Gross-Up Payment is required to be paid by the Company to the Executive and the amount of such Gross-Up Payment, if any, shall be made by the Company’s outside auditors immediately prior to the Change in Control (the
“Accounting Firm”). The Executive shall direct the Accounting Firm to submit its determination and detailed supporting calculations to both the Company and the Executive within 30 days after the Change 

  

 6 

 
in Control Date, the Termination Date, if applicable, and any such other time or times as may be requested by the Company or the Executive. If the Accounting
Firm determines that any Excise Tax is payable by the Executive, the Company shall pay the required Gross-Up Payment to the Executive as soon as reasonably practicable thereafter but in any event no later than the end of the Executive’s taxable
year next following the taxable year in which the Executive remits such Excise Tax to the Internal Revenue Service. If the Accounting Firm determines that no Excise Tax is payable by the Executive, it shall, at the same time as it makes such
determination, furnish the Company and the Executive an opinion that the Executive has substantial authority not to report any Excise Tax on the Executive’s federal, state or local income or other tax return. As a result of the uncertainty in
the application of Section 4999 of the Code (or any successor provision thereto) and the possibility of similar uncertainty regarding applicable state of local tax law at the time of any determination by the Accounting Firm hereunder, it is
possible that a Gross-Up Payment which will not have been made by the Company should have been made (an “Underpayment”), consistent with the calculations required to be made hereunder. In the event that the Company exhausts or fails
to pursue its remedies pursuant to Section 5(f) and the Executive thereafter is required to make a payment of any Excise Tax, the Executive shall direct the Accounting Firm to determine the amount of the Underpayment that has occurred and to
submit its determination and detailed supporting calculations to both the Company and the Executive as promptly as possible. Any such Underpayment shall be promptly paid by the Company to, or for the benefit of, the Executive within five business
days after receipt of such determination and calculations but in any event no later than the end of the Executive’s taxable year next following the taxable year in which the Executive remits such Underpayment to the Internal Revenue Service.

 (c) The Company and the Executive shall each provide the Accounting Firm access to and copies of any books, records and documents in the
possession of the Company or the Executive, as the case may be, reasonably requested by the Accounting Firm, and otherwise cooperate with the Accounting Firm in connection with the preparation and issuance of the determinations and calculations
contemplated by Section 5(b). Any determination by the Accounting Firm as to the amount of the Gross-Up Payment shall be binding upon the Company and the Executive. 
 (d) The federal, state and local income or other tax returns filed by the Executive shall be prepared and filed on a consistent basis with the determination of the Accounting Firm with respect to the Excise Tax
payable by the Executive. The Executive shall make proper payment of the amount of any Excise Tax, and at the request of the Company, provide to the Company true and correct copies (with any amendments) of the Executive’s federal income tax
return as filed with the Internal Revenue Service and corresponding state and local tax returns, if relevant, as filed with the applicable taxing authority, and such other documents reasonably requested by the Company, evidencing such payment. If
prior to the filing of the Executive’s federal income tax return, or corresponding state or local tax return, if relevant, the Accounting Firm determines that the amount of the Gross-Up Payment should be reduced, the Executive shall, within
five business days, pay to the Company the amount of such reduction. 
 (e) The fees and expenses of the Accounting Firm for its services in
connection with the determinations and calculations contemplated by Section 5(b) shall be borne 

  

 7 

 
by the Company. If such fees and expenses are initially paid by the Executive, the Company shall reimburse the Executive the full amount of such fees and
expenses paid by Executive within five business days after receipt from the Executive of a statement therefor and reasonable evidence of payment thereof. 
 (f) The Executive shall notify the Company in writing of any claim, by the Internal Revenue Service or any other taxing authority that, if successful, would require the payment by the Company of a Gross-Up Payment or
any additional Gross-Up Payment. Such notification shall be given as promptly as practicable but no later than l0 business days after the Executive actually receives notice of such claim, and the Executive shall further apprise the Company of the
nature of such claim and the date on which such claim is requested to be paid (in each case, to the extent known by the Executive). The Executive shall not pay such claim prior to the earlier of (x) the expiration of the 30-day period following
the date on which the Executive gives such notice to the Company and (y) the date that any payment with respect to such claim is due. If the Company notifies the Executive in writing prior to the expiration of such period that it desires to
contest such claim, the Executive shall: 
 (i) provide the Company with any written records or documents in the
Executive’s possession relating to such claim reasonably requested by the Company; 
 (ii) take such action in connection
with contesting such claim as the Company shall reasonably request in writing from time to time, including without limitation accepting legal representation with respect to such claim by an attorney competent in respect of the subject matter and
reasonably selected by the Company; 
 (iii) cooperate with the Company in good faith in order effectively to contest such
claim; and 
 (iv) permit the Company to participate in any proceedings relating to such claim; 
 provided, however, that the Company shall bear and pay directly all costs and expenses (including interest and penalties) incurred in connection with such
contest and shall indemnify and hold harmless the Executive, on an after-tax basis, for and against any Excise Tax or income tax including interest and penalties with respect thereto, imposed as a result of such contest and payment of costs and
expenses. Without limiting the foregoing provisions of this Section 5(f), the Company shall control all proceedings taken in connection with the contest of any claim contemplated by this Section 5(f) and, at its sole option, may pursue or
forego any and all administrative appeals, proceedings, hearings and conferences with the taxing authority in respect of such claim (provided, however, that the Executive may participate therein at the Executive’s own cost and
expense) and may, at its option, either direct the Executive to pay the tax claimed and sue for a refund or contest the claim in any permissible manner, and the Executive agrees to prosecute such contest to a determination before any administrative
tribunal, in a court of initial jurisdiction and in one or more appellate courts, as the Company shall determine; provided, however, that if the Company directs the Executive to pay the tax claimed and sue for a refund, the Company
shall advance the amount of such payment to the Executive on an interest-free basis and shall indemnify and hold the Executive harmless, on an after-tax 

  

 8 

 
basis, from any Excise Tax or income or other tax, including interest or penalties with respect thereto, imposed with respect to such advance; and
provided further, that any extension of the statute of limitations relating to payment of taxes for the taxable year of the Executive with respect to which the contested amount is claimed to be due is limited solely to such contested
amount. Furthermore, the Company’s control of any such contested claim shall be limited to issues with respect to which a Gross-Up Payment would be payable hereunder and the Executive shall be entitled to settle or contest, as the case may be,
any other issue raised by the Internal Revenue Service or any other taxing authority. 
 (g) If, after the receipt by the Executive of an
amount advanced by the Company pursuant to Section 5(f), the Executive receives any refund with respect to such claim, the Executive shall (subject to the Company’s complying with the requirements of Section 5(f)) promptly pay to the
Company the amount of such refund (together with any interest paid or credited thereon after any taxes applicable thereto). If, after the receipt by the Executive of an amount advanced by the Company pursuant to Section 5(f), a determination is
made that the Executive shall not be entitled to any refund with respect to such claim and the Company does not notify the Executive in writing of its intent to contest such denial or refund prior to the expiration of 30 days after such
determination, then such advance shall be forgiven and shall not be required to be repaid and the amount of any such advance shall offset, to the extent thereof, the amount of any Gross-Up Payment required to be paid by the Company to the Executive
pursuant to this Section 5. 
 (h) Notwithstanding the foregoing, in no event will any Gross-Up Payment or Underpayment be paid later
than the end of Employee’s taxable year next following Employee’s taxable year in which he remits the taxes to which such Gross-Up Payment or Underpayment relates. Also, notwithstanding the foregoing, expenses incurred by Employee,
including without limitation, attorneys’ fees, due to a tax audit or litigation in connection with any excise tax (including penalties and interest or other excise taxes thereon) under Code Section 4999 or Code Section 280G shall be
reimbursed by the Company no later than the end of the Employee’s tax year following the tax year in which such taxes that are subject to the audit or litigation are remitted to the taxing authority, or where as a result of such audit or
litigation no taxes are remitted, by the end of the Employee’s tax year following the tax year in which the audit is completed or there is a final nonappealable settlement or other resolution of the litigation. The Employee’s right to
payment or reimbursement pursuant to this Section 5(h) shall not be subject to liquidation or exchange for any other benefit. 
 Furthermore, with respect to any payments that are taxable and includable in income to be paid under this Section 5 and to the extent such payments are not for the Gross-Up Payment or Underpayment or due to tax audit or litigation
expenses or reimbursements described in the preceding paragraph then such payments shall only be payable if such expenses are incurred during the 15 year period commencing on the Termination Date; amounts payable in one calendar year will not affect
amounts payable in another calendar year; in no event will any payment be paid later than the end of Executive’s taxable year following the Executive’s taxable year in which the expenses were incurred; and such payments cannot be
substituted for any other benefits or subject to liquidation. 
  

 9 

 6. No Mitigation Obligation; Obligations Absolute. The payment of the severance compensation by
the Company to the Executive in accordance with the terms of this Amended Agreement is hereby acknowledged by the Company to be reasonable, and the Executive will not be required to mitigate the amount of any payment or other benefit provided in
this Amended Agreement by seeking other employment or otherwise, nor will any profits, income, earnings or other benefits from any source whatsoever create any mitigation, offset, reduction or any other obligation on the part of the Executive
hereunder or otherwise, except as expressly provided in Section 12 hereof. The obligations of the Company to make the payments and provide the benefits provided herein to the Executive are absolute and unconditional (except as provided herein)
and may not be reduced under any circumstances, including without limitation any set-off, counterclaim, recoupment, defense or other right which the Company may have against the Executive or any third party at any time. 
 7. Continuing Obligations. 
 (a)
Confidentiality. The Executive shall hold in a fiduciary capacity for the benefit of the Company all secret or confidential information, knowledge or data relating to the Company or any of its affiliated companies, and their respective
businesses, which shall have been obtained by the Executive during the Executive’s employment by the Company and which shall not be or become public knowledge (information that has become public knowledge shall not include any information that
has entered the public domain as a result of acts or omissions by the Executive or representatives of the Executive in violation of this Amended Agreement). After termination of the Executive’s employment with the Company and its subsidiaries
for any reason, the Executive shall not, without the prior written consent of the Company or as may otherwise be required by law or legal process, communicate or divulge any such information, knowledge or data to anyone other than the Company and
those designated by it. 
 (b) Non-Solicitation. During the term of this Amended Agreement and for a period of twelve (12) months
after the Termination Date, the Executive shall not, directly or indirectly, employ or retain or solicit for employment or arrange to have any other person, firm, or other entity employ or retain or solicit for employment or otherwise participate in
the employment or retention of any person who is an employee or consultant of the Company. 
 (c) Cooperation. Executive agrees to
cooperate with the Company and its attorneys in connection with any and all lawsuits, claims, investigations, or similar proceedings that have been or could be asserted at any time arising out of or related in any way to Executive’s employment
by the Company or any of its subsidiaries. 
 (d) Non-Disparagement. At all times following the Termination Date, the Executive agrees
not to disparage the Company or any of its directors or executive officers, or otherwise make comments harmful to the Company’s business or reputation 
 (e) Blue Penciling. It is expressly understood and agreed that although the Executive and the Company consider the restrictions contained in Sections 7(a) through (d) to be reasonable, if a judicial
determination is made by a court of competent jurisdiction that the time or territory or any other restriction contained in this Amended Agreement is an unenforceable restriction against the Executive, the provisions of this Amended Agreement shall
not be 

  

 10 

 
rendered void but shall be deemed amended to apply as to such maximum time and territory and to such maximum extent as such court may judicially determine or
indicate to be enforceable. Alternatively, if any court of competent jurisdiction finds that any restriction contained in this Amended Agreement is unenforceable, and such restriction cannot be amended so as to make it enforceable, such finding
shall not affect the enforceability of any of the other restrictions contained herein. 
 8. Successors. 
 (a) The Company shall require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of
the business and/or assets of the Company, by agreement in form and substance reasonably satisfactory to the Executive to expressly assume and agree to perform this Amended Agreement in the same manner and to the same extent that the Company would
be required to perform it if no such succession had taken place. Failure of such successor entity to enter into such agreement prior to the effective date of any such succession (or, if later, within three business days after first receiving a
written request for such agreement) shall constitute a breach of this Amended Agreement and shall entitle the Executive to terminate employment pursuant to Section 2(a)(ii) and to receive the payments and benefits provided under Section 4.
As used in this Amended Agreement, “Company” shall mean the Company as herein before defined and any successor to its business and/or assets as aforesaid which executes and delivers the Amended Agreement provided for in this
Section 7 or which otherwise becomes bound by all the terms and provisions of this Amended Agreement by operation of law. 
 (b) This
Amended Agreement shall inure to the benefit of and be enforceable by the Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees and legatees. If the Executive dies while any amounts
are payable to him hereunder, all such amounts, unless otherwise provided herein, shall be paid in accordance with the terms of this Amended Agreement to the Executive’s designee or, if there is no such designee, to the Executive’s estate.

 9. Notices. For all purposes of this Amended Agreement, all communications, including without limitation notices, consents,
requests or approvals, required or permitted to be given hereunder will be in writing and will be deemed to have been duly given when hand delivered or dispatched by electronic facsimile transmission (with receipt thereof orally confirmed), or five
business days after having been mailed by United States registered or certified mail, return receipt requested, postage prepaid, or three business days after having been sent by a nationally recognized overnight courier service such as FedEx, UPS,
or DHL, addressed to the Company (to the attention of the Secretary of the Company, with a copy to the General Counsel of the Company) at its principal executive office and to the Executive at the Executive’s principal residence, or to such
other address as any party may have furnished to the other in writing and in accordance herewith, except that notices of changes of address shall be effective only upon receipt. 
 10. Governing Law. The validity, interpretation, construction and performance of this Amended Agreement shall be governed by the laws of the State
of Texas, without regard to conflicts of law principles. 
  

 11 

 11. Miscellaneous. No provisions of this Amended Agreement may be modified, waived or discharged
unless such waiver, modification or discharge is agreed to in a writing signed by the Executive and the Company. No waiver by either party hereto at any time of any breach by the other party hereto of, or compliance with, any condition or provision
of this Amended Agreement to be performed by such other party shall be deemed a waiver of similar or dissimilar provisions or conditions at the same or any prior or subsequent time. No agreements or representations, oral or otherwise, express or
implied, with respect to the subject matter hereof have been made by either party which are not set forth expressly in this Amended Agreement (or in any employment or other written agreement relating to the Executive). Nothing expressed or implied
in this Amended Agreement will create any right or duty on the part of the Company or the Executive to have the Executive remain in the employment of the Company or any subsidiary prior to or following any Change in Control. The Company may withhold
from any amounts payable under this Amended Agreement all federal, state, city or other taxes as the Company is required to withhold pursuant to any law or government regulation or ruling. 
 All headings and section references used herein are for convenience only and do not constitute a part of this Amended Agreement. Where specific language
is used to clarify by example a general statement contained herein, such specified language shall not be deemed to modify, limit or restrict in any manner the construction of the general statement to which it relies. The language used in this
Amended Agreement is deemed to be the language chosen by the parties hereto to express their mutual intent, and no rule of strict construction shall be applied against any such party. 
 12. Reduction for Other Severance. Any payments or other benefits provided to the Executive under this Amended Agreement shall be offset or
reduced by any payments or other benefits provided under any severance plan or employment agreement which the Executive is eligible to receive (or has received) as a result of the termination of the Executive’s employment. 
 13. Separability. The invalidity or unenforceability of any provisions of this Amended Agreement shall not affect the validity or enforceability
of any other provision of this Amended Agreement, which shall remain in full force and effect. 
 14. Non-assignability. This Amended
Agreement is personal in nature and neither of the parties hereto shall, without the consent of the other, assign or transfer this Amended Agreement or any rights or obligations hereunder, except as provided in Section 8. Without limiting the
foregoing, the Executive’s right to receive payments hereunder shall not be assignable or transferable, whether by pledge, creation of a security interest or otherwise, other than a transfer by will or by the laws of descent or distribution,
and in the event of any attempted assignment or transfer by the Executive contrary to this Section 14 the Company shall have no liability to pay any amount so attempted to be assigned or transferred to any person other than the Executive or, in
the event of death, the Executive’s designated beneficiary or, in the absence of an effective beneficiary designation, the Executive’s estate. 
 15. Effectiveness; Term. This Amended Agreement will be effective and binding as of the date first above written immediately upon its execution and shall continue in effect through the second anniversary of
such date; provided, however, that the term of this Amended Agreement shall automatically be extended for an additional day for each day that passes so that 

  

 12 

 
there shall at any time be two years remaining in the term unless the Company provides written notice to the Executive that it does not wish the term of this
Amended Agreement to continue to be so extended, in which case the Amended Agreement shall terminate on the second anniversary of such notice if there has not been a Change in Control prior to such second anniversary. In the event that a Change in
Control has occurred during the term of this Amended Agreement, then this Amended Agreement shall continue to be effective until the second anniversary of such Change in Control. Notwithstanding any other provision of this Amended Agreement, if,
prior to a Change in Control, the Executive ceases for any reason to be an employee of the Company and any subsidiary (other than a termination of employment pursuant to Section 2(d) hereof), thereupon without further action the term of this
Amended Agreement shall be deemed to have expired and this Amended Agreement will immediately terminate and be of no further effect. For purposes of this Section 15, the Executive shall not be deemed to have ceased to be an employee of the
Company and any subsidiary by reason of the transfer of the Executive’s employment between the Company and any subsidiary, or among any subsidiaries. Notwithstanding any provision of this Amended Agreement to the contrary, the parties’
respective rights and obligations under Sections 4 through 8 will survive any termination or expiration of this Amended Agreement or the termination of the Executive’s employment following a Change in Control for any reason whatsoever.

 16. Counterparts. This Amended Agreement may be executed in one or more counterparts, each of which shall be deemed to be an
original but all of which together will constitute one and the same agreement. 
 17. Code Section 409A. This Amended Agreement
is intended to comply with the provisions of Section 409A of the Code, and shall be interpreted and construed accordingly. The Company shall have the discretion and authority to amend this Amended Agreement at any time to satisfy any
requirements of Code Section 409A or guidance published thereunder and to maintain the economic terms of this Amended Agreement for Executive. However, in no event will the Company have any liability for any failure of the Amended Agreement to
satisfy Code Section 409A, and the Company does not guarantee that the Amended Agreement complies with Code Section 409A. 
 [SIGNATURE PAGE FOLLOWS] 
  

 13 

 IN WITNESS WHEREOF, the parties have caused this Amended Agreement to be effective as of
December 31, 2008. 
  

			
	Endeavour International Corporation
		
	By:	 	  

	Printed Name:	 	  

	Title:	 	  

		
	Date:	 	  

		
	Executive	 	
		
	By:	 	  

	Printed Name:	 	  

	Title:	 	  

		
	Date:

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