REGISTRATION RIGHTS AGREEMENT

Execution Version

This Registration Rights Agreement (this “Agreement”) is made and entered into effective as of March 2, 2010 between Xx Xxxxxx Energy, Inc., a Nevada corporation (the “Company”) and Avante Petroleum S.A. (the “Purchaser” and, together with any permitted assignees of Purchaser’s rights hereunder, the “Purchasers”).

RECITALS:

WHEREAS, to provide capital required by the Company for working capital and other purposes, the Company has offered in compliance with Rule 506 of Regulation D and/or Regulation S of the Securities Act (as defined herein), to the Purchaser in a private placement transaction (the “PPO”), units (“Units”) of its securities, each Unit consisting of one share of Common Stock (the “Subscription Shares”) and a common stock purchase warrant (the “Subscription Warrants”) to purchase one share of Common Stock pursuant to the terms of a Subscription Agreement of even date herewith (the “Subscription Agreement”); and

WHEREAS, the Company is acquiring (the “Acquisition”) all of the issued and outstanding shares of capital stock of Purchaser’s wholly owned subsidiary, Avante Colombia, S.à x.x., pursuant to a Stock Purchase Agreement of even date herewith (the “Stock Purchase Agreement”) for consideration consisting of 10,285,819 shares of Common Stock (the “Purchase Price Shares” and, together with the Subscription Shares, the “Avante Shares”); and

WHEREAS, the initial closing of the PPO and the closing of the Acquisition are taking place on the date of this Agreement (the “Effective Date”); and

WHEREAS, in connection with the PPO and the Acquisition, the Company agrees to provide (i) certain “piggyback” registration rights with respect to the Avante Shares and the shares of Common Stock issuable upon exercise of the Subscription Warrants and (ii) certain demand registration rights related to the Avante Shares and the shares of Common Stock issuable upon exercise of the Subscription Warrants, on the terms set forth herein;

NOW, THEREFORE, in consideration of the mutual promises, representations, warranties, covenants, and conditions set forth herein, the parties mutually agree as follows:

1. Certain Definitions. As used in this Agreement, the following terms shall have the following respective meanings:

“Aggregate Purchase Price,” with respect to Registrable Subscription Securities and Other Registrable Securities, means the aggregate price paid to purchase such securities from the Company, which shall initially be $1.75 per Registrable Common Share or Other Registrable Common Share (subject to adjustment to reflect any stock splits, combinations, dividends or the like) and, upon issuance pursuant to the Subscription Warrants or Other Warrants, $3.00 per Registrable Warrant Share or Other Registrable Warrant Share (subject to adjustment pursuant to the antidilution provisions of the relevant warrants and to further adjustment to reflect any stock splits, combinations, dividends or the like that occur after issuance of such Registrable Warrant Shares or Other Registrable Warrant Shares).

“Avante Shares” has the meaning given it in the recitals of this Agreement.

“Blackout Period” means, with respect to a registration, a period, in each case commencing on the day immediately after the Company notifies the Purchasers that they are required, because of the occurrence of an event of the kind described in Section 4(f) hereof, to suspend offers and sales of Registrable Securities during which the Company, in the good faith judgment of its board of directors, determines (because of the existence of, or in anticipation of, any acquisition, financing activity, or other transaction involving the Company, or the unavailability for reasons beyond the Company’s control of any required financial statements, disclosure of information which is in its best interest not to publicly disclose, or any other event or condition of similar significance to the Company) that the registration and distribution of the Registrable Securities to be covered by such Registration Statement, if any, would be seriously detrimental to the Company and its stockholders and ending on the earlier of (1) the date upon which the material non-public information commencing the Blackout Period is disclosed to the public or ceases to be material and (2) such time as the Company notifies the selling Holders that sales pursuant to such Registration Statement or a new or amended Registration Statement may resume.

“Business Day” means any day of the year, other than a Saturday, Sunday, or other day on which the Commission is required or authorized to close.

“Commission” means the U. S. Securities and Exchange Commission or any other federal agency at the time administering the Securities Act.

“Common Stock” means the common stock, par value $0.001 per share, of the Company and any and all shares of capital stock or other equity securities of: (i) the Company which are added to or exchanged or substituted for the Common Stock by reason of the declaration of any stock dividend or stock split, the issuance of any distribution or the reclassification, readjustment, recapitalization or other such modification of the capital structure of the Company; and (ii) any other corporation, now or hereafter organized under the laws of any state or other governmental authority, with which the Company is merged, which results from any consolidation or reorganization to which the Company is a party, or to which is sold all or substantially all of the shares or assets of the Company, if immediately after such merger, consolidation, reorganization or sale, the Company or the stockholders of the Company own equity securities having in the aggregate more than 50% of the total voting power of such other corporation.

“Effective Date” has the meaning given it in the recitals of this Agreement.

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder.

“Family Member” means (a) with respect to any individual, such individual’s spouse, any descendants (whether natural or adopted), any trust all of the beneficial interests of which are owned by any of such individuals or by any of such individuals together with any organization described in Section 501(c)(3) of the Internal Revenue Code of 1986, as amended, the estate of any such individual, and any corporation, association, partnership or limited liability company all of the equity interests of which are owned by those above described individuals, trusts or organizations and (b) with respect to any trust, the owners of the beneficial interests of such trust.

“Holder” means the Purchaser or any of the Purchaser’s successors and Permitted Assignees who acquire rights in accordance with this Agreement with respect to any Registrable Securities directly or indirectly from the Purchaser or from any Permitted Assignee.

“Majority Holders” means at any time Holders representing a majority of the Registrable Securities.

“Other Holder” has the meaning ascribed to the term “Holder” in the Other Offering RRA.

“Other Offering RRA” means the Registration Rights Agreement, dated as of December 29, 2009, among the Company and the Other Purchasers identified therein.

“Other Purchasers” has the meaning ascribed to the term “Purchasers” in the Other Offering RRA.

“Other Registrable Common Shares” has the meaning ascribed to the term “Registrable Common Shares” in the Other Offering RRA.

“Other Registrable Securities” has the meaning ascribed to the term “Registrable Securities” in the Other Offering RRA.

“Other Registrable Warrant Shares” has the meaning ascribed to the term “Registrable Warrant Shares” in the Other Offering RRA.

“Other Warrants” has the meaning ascribed to the term “Investor Warrants” in the Other Offering RRA.

“Permitted Assignee” means (a) with respect to a partnership, its partners or former partners in accordance with their partnership interests, (b) with respect to a corporation, its stockholders in accordance with their interest in the corporation, (c) with respect to a limited liability company, its members or former members in accordance with their interest in the limited liability company, (d) with respect to an individual party, any Family Member of such party, (e) an entity that is controlled by, controls, or is under common control with a transferor, or (f) a party to this Agreement.

“Piggyback Registration” means, in any registration of Common Stock referenced in Section 3(a) of this Agreement, the right of each Holder to include the Registrable Securities of such Holder in such registration.

The terms “register,” “registered,” and “registration” refer to a registration effected by preparing and filing a registration statement in compliance with the Securities Act, and the declaration or ordering of the effectiveness of such registration statement.

“Purchase Price Shares” has the meaning given it in the recitals of this Agreement.

“Registrable Acquisition Shares” means the Purchase Price Shares but excluding (i) any Purchase Price Shares that have been publicly sold under the Securities Act either pursuant to Rule 144 of the Securities Act or otherwise; (ii) any Purchase Price Shares sold by a person in a transaction pursuant to a registration statement filed under the Securities Act, or (iii) any Purchase Price Shares that are at the time subject to an effective registration statement under the Securities Act; provided, that the Purchase Price Shares shall cease to be Registrable Acquisition Shares if and for so long as they may be sold publicly in the U.S. without being subject to volume limitations (whether pursuant to Rule 144 or otherwise).

“Registrable Common Shares” means the Subscription Shares (and not including the Registrable Warrant Shares) but excluding (i) any Registrable Common Shares that have been publicly sold under the Securities Act either pursuant to Rule 144 of the Securities Act or otherwise; (ii) any Registrable Common Shares sold by a person in a transaction pursuant to a registration statement filed under the Securities Act, or (iii) any Registrable Common Shares that are at the time subject to an effective registration statement under the Securities Act; provided, that the Subscription Shares shall cease to be Registrable Common Shares if and for so long as they may be sold publicly in the U.S. without being subject to volume limitations (whether pursuant to Rule 144 or otherwise).

“Registrable Securities” means the Registrable Acquisition Shares together with the Registrable Common Shares and the Registrable Warrant Shares.

“Registrable Subscription Securities” means the Registrable Common Shares together with the Registrable Warrant Shares.

“Registrable Warrant Shares” means the shares of Common Stock issued or issuable to each Purchaser upon exercise of the Subscription Warrants but excluding (i) any Registrable Warrant Shares that have been publicly sold under the Securities Act either pursuant to Rule 144 of the Securities Act or otherwise without volume restriction; (ii) any Registrable Warrant Shares sold by a person in a transaction pursuant to a registration statement filed under the Securities Act, or (iii) any Registrable Warrant Shares that are at the time subject to an effective registration statement under the Securities Act; provided, that the shares of Common Stock issued or issuable to each Purchaser upon exercise of the Subscription Warrants shall cease to be Registrable Warrant Shares if and for so long as they may be sold publicly in the U.S. without being subject to volume limitations (whether pursuant to Rule 144 or otherwise).

“Registration Statement” means the registration statement that the Company may be required to file pursuant to Section 3(c) of this Agreement to register Registrable Common Shares.

“Rule 144” means Rule 144 promulgated by the Commission under the Securities Act, as such rule may be amended or supplemented from time to time, or any similar successor rule that may be promulgated by the Commission.

“Rule 145” means Rule 145 promulgated by the Commission under the Securities Act, as such rule may be amended or supplemented from time to time, or any similar successor rule that may be promulgated by the Commission.

“Rule 415” means Rule 415 promulgated by the Commission under the Securities Act, as such rule may be amended or supplemented from time to time, or any similar successor rule that may be promulgated by the Commission.

“Securities Act” means the Securities Act of 1933, as amended, or any similar federal statute promulgated in replacement thereof, and the rules and regulations of the Commission thereunder, all as the same shall be in effect at the time.

“SEC Effective Date” means the date the Registration Statement is declared effective by the Commission.

“Subscription Shares” has the meaning given it in the recitals of this Agreement.

“Subscription Warrants” has the meaning given it in the recitals of this Agreement.

“Total Investment Majority” means, at any time, Holders and/or Other Purchasers holding Registrable Subscription Securities and/or Other Registrable Securities having an Aggregate Purchase Price equal to more than one-half of the Aggregate Purchase Price of all Registrable Subscription Securities and Other Registrable Securities that are issued and outstanding at such time.

2. Term. The registration rights granted under Section 3 of this Agreement shall terminate on the earlier of: (i) five years from the Effective Date; (ii) such date on which all shares of Registrable Securities held or entitled to be held upon conversion by such Holder may immediately be sold under Rule 144 during any 90 day period; or (iii) unless terminated sooner hereunder.

3. Registration.

(a) Piggyback Registration. If the Company shall determine to register for sale for cash any of its Common Stock, for its own account or for the account of others (other than the Holders), other than (i) a registration relating solely to employee benefit plans or securities issued or issuable to employees, consultants (to the extent the securities owned or to be owned by such consultants could be registered on Form S-8) or any of their Family Members (including a registration on Form S-8) or (ii) a registration relating solely to a Securities Act Rule 145 transaction or a registration on Form S-4 in connection with a merger, acquisition, divestiture, reorganization or similar event, the Company shall promptly give to the Holders written notice thereof (and in no event shall such notice be given less than 20 calendar days prior to the filing of such registration statement), and shall include as a Piggyback Registration the Registrable Securities specified in a written request (a “Piggyback Notice”) delivered by the Holder thereof within 10 calendar days after receipt of such written notice from the Company; provided, that the Holders may not make such request with respect to a number of Registrable Securities equal, in the aggregate, to more than 10% of the number of shares of Common Stock outstanding at such time (the “Aggregate Piggyback Limit”); and, provided further, that if the Holders, in fact, deliver Piggyback Notices putatively requesting Piggyback Registration of an aggregate number of Registrable Securities that is greater than the Aggregate Piggyback Limit, then each Holder shall be deemed for all purposes of this Agreement to have requested Piggyback Registration of only such number of Registrable Securities as is equal to its share of the Aggregate Piggyback Limit, determined on a pro-rata basis according to the number of Registrable Securities specified in the Holders’ Piggyback Notices. However, the Company may, without the consent of the Holders, withdraw such registration statement prior to its becoming effective if the Company or such other stockholders have elected to abandon the proposal to register the securities proposed to be registered thereby. Notwithstanding the foregoing, in the event that the Commission limits the amount of shares that may be registered in such registration statement, the Company may scale back from the registration statement such number of shares of Registrable Securities, on a pro-rata basis, as is required to meet the scale back requirements. Additionally, in any such registration statement, Commission scale back requirements shall apply first to the Registrable Securities together with any other shares being registered otherwise than pursuant to a mandatory or demand registration right on a pro-rata basis according to the number of shares requested to be included, and, second to any shares being registered pursuant to a mandatory or demand registration obligation of the Company.

(b) Underwriting. If a Piggyback Registration relates to a registered public offering that is to be made by an underwriting, then the Company shall so advise the Holders of the Registrable Securities eligible for inclusion in such registration statement pursuant to Section 3(a). In that event, the right of any Holder to Piggyback Registration shall be conditioned upon such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable Securities in the underwriting to the extent provided herein. All Holders proposing to sell any of their Registrable Securities through such underwriting shall (together with the Company and any other stockholders of the Company selling their securities through such underwriting) enter into an underwriting agreement in customary form with the underwriter selected for such underwriting by the Company or the selling stockholders, as applicable. Notwithstanding any other provision of this Section, if the underwriter or the Company determines that marketing factors require a limitation on the number of shares of Common Stock or the amount of other securities to be underwritten, the underwriter may exclude some or all Registrable Securities from such registration and underwriting. The Company shall so advise all Holders (except those Holders who failed to timely elect to include their Registrable Securities through such underwriting or have indicated to the Company their decision not to do so), and indicate to each such Holder the number of shares of Registrable Securities that may be included in the registration and underwriting, if any. The number of shares of Registrable Securities to be included in such registration and underwriting shall be allocated among such Holders as follows:

(i) If the Piggyback Registration was initiated by the Company, the number of shares that may be included in the registration and underwriting shall be allocated first to the Company and then, subject to obligations and commitments existing as of the date hereof, to all persons exercising piggyback registration rights (including the Holders and Other Holders) who have requested to sell in the registration on a pro rata basis according to the number of shares requested to be included therein; and

(ii) If the Piggyback Registration was initiated by the exercise of demand registration rights by a stockholder or stockholders of the Company, then the number of shares that may be included in the registration and underwriting shall be allocated first to such selling stockholders who exercised such demand to the extent of their demand registration rights, and then, subject to obligations and commitments existing as of the date hereof, to the Company and then, subject to obligations and commitments existing as of the date hereof, to all persons exercising piggyback registration rights (including the Holders and Other Holders) who have requested to sell in the registration on a pro rata basis according to the number of shares requested to be included therein.

No Registrable Securities excluded from the underwriting by reason of the underwriter’s marketing limitation shall be included in such registration. If any Holder disapproves of the terms of any such underwriting, such Holder may elect to withdraw such Holder’s Registrable Securities therefrom by delivering a written notice to the Company and the underwriter. The Registrable Securities so withdrawn from such underwriting shall also be withdrawn from such registration; provided, however, that, if by the withdrawal of such Registrable Securities, a greater number of Registrable Securities held by other Holders may be included in such registration (up to the maximum of any limitation imposed by the underwriters), then the Company shall offer to all Holders who have included Registrable Securities in the registration the right to include additional Registrable Securities pursuant to the terms and limitations set forth herein (and the limitation that Registrable Securities included in any registration statement must not exceed 10% of the number of shares of Common Stock outstanding at such time) in the same proportion used above in determining the underwriter limitation.

(i) Registrable Subscription Securities. If the Company fails to file a registration statement under Section 3(a) or fails to complete a listing of its Common Stock on a United States or Canadian national securities exchange within 180 days of the Effective Date (as defined in the Other Offering RRA), then upon a written request of Holders, and Other Purchasers making similar request pursuant to Section 3(c) of the Other RRA constituting, in the aggregate, a Total Investment Majority, the Company shall file with the Commission a Registration Statement on Form S-1, or other applicable form, relating to the resale by the Holders of all of the Registrable Subscription Securities, and the Company shall use its commercially reasonable efforts to cause such Registration Statement to be declared effective; provided, that the Company shall not be obligated to effect any such registration, qualification or compliance pursuant to this Section, or keep such registration effective pursuant to the terms hereunder, in any particular jurisdiction in which the Company would be required to qualify to do business as a foreign corporation or as a dealer in securities under the securities laws of such jurisdiction or to execute a general consent to service of process in effecting such registration, qualification or compliance, in each case where it has not already done so. Notwithstanding the foregoing, in the event that the Commission limits the amount of Registrable Subscription Securities that may be sold pursuant to the Registration Statement, the Company may scale back from the Registration Statement such number of Registrable Subscription Securities on a pro-rata basis; provided that all Registrable Warrant Shares shall be scaled back before any Registrable Common Shares are scaled back. In such event, the Company shall give the Purchasers prompt notice of the number of Registrable Subscription Securities excluded therein.

(ii) Post-Lock-Up Demand. If any Holder (an “Affiliated Holder”) is an “affiliate” of the Company (within the meaning of Rule 144) immediately following the Lock-up Period (as defined in the Stock Purchase Agreement), then upon written request of Affiliated Holders holding an aggregate of at least 1,000,000 Registrable Securities (subject to adjustment for any stock split, combination, stock dividend or the like with respect to the shares of Common Stock), the Company shall file with the Commission a Registration Statement on Form S-1, or other applicable form, relating to the resale by the Affiliated Holders of all of the Registrable Securities, and the Company shall use its commercially reasonable efforts to cause such Registration Statement to be declared effective; provided, that the Company shall not be obligated to effect any such registration, qualification or compliance pursuant to this Section, or keep such registration effective pursuant to the terms hereunder in any particular jurisdiction in which the Company would be required to qualify to do business as a foreign corporation or as a dealer in securities under the securities laws of such jurisdiction or to execute a general consent to service of process in effecting such registration, qualification or compliance, in each case where it has not already done so. Notwithstanding the foregoing, in the event that the Commission limits the amount of Registrable Subscription Securities that may be sold pursuant to the Registration Statement, the Company may scale back from the Registration Statement such number of Registrable Securities on a pro-rata basis. In such event, the Company shall give the Affiliated Holders prompt notice of the number of Registrable Securities excluded therein.

(d) Other Registrations. Before such date that is six months following the SEC Effective Date, the Company will not, without the prior written consent of the Total Investment Majority, file any other registration statement with the Commission or request the acceleration of any other registration statement filed with the Commission, and during any time subsequent to the SEC Effective Date when the Registration Statement for any reason is not available for use by any Holder for the resale of any Registrable Common Shares, the Company shall not, without the prior written consent of the Total Investment Majority, file any other registration statement or any amendment thereto with the Commission under the Securities Act or request the acceleration of the effectiveness of any other registration statement previously filed with the Commission, other than (i) any registration statement on Form S-8 or Form S-4 and (ii) any registration statement or amendment which the Company is required to file or as to which the Company is required to request acceleration pursuant to any obligation in effect on the date of execution and delivery of this Agreement.

4. Registration Procedures for Registrable Securities. The Company will keep each Holder reasonably advised as to the filing and effectiveness of the Registration Statement. At its expense with respect to the Registration Statement, the Company will:

(a) prepare and file with the Commission with respect to the Registrable Securities, a Registration Statement on Form S-1, or any other form for which the Company then qualifies or which counsel for the Company shall deem appropriate and which form shall be available for the sale of the Registrable Securities in accordance with the intended methods of distribution thereof, and use its commercially reasonable efforts to cause such Registration Statement to become effective and shall remain effective for a period of (i) two years plus an amount of time equal to the duration of any Blackout Periods occurring after the effective date of the Registration Statement, or (ii) for such shorter period ending on the earliest to occur of (A) the sale of all Registrable Securities registered thereby and (B) the availability under Rule 144 for the Holder to sell the Registrable Securities registered thereby without volume restriction (the “Effectiveness Period”). Each Holder agrees to furnish to the Company a completed questionnaire in the form attached to this Agreement as Annex A (a “Selling Shareholder Questionnaire”) not later than three Business Days following the date on which such Holder receives draft materials of such Registration Statement;

(b) if the Registration Statement is subject to review by the Commission, promptly respond to all comments and diligently pursue resolution of any comments to the satisfaction of the Commission;

(c) prepare and file with the Commission such amendments and supplements to such Registration Statement as may be necessary to keep such Registration Statement effective during the Effectiveness Period;

(d) furnish, without charge, to each Holder of Registrable Securities covered by such Registration Statement (i) a reasonable number of copies of such Registration Statement (including any exhibits thereto other than exhibits incorporated by reference), each amendment and supplement thereto as such Holder may reasonably request, (ii) such number of copies of the prospectus included in such Registration Statement (including each preliminary prospectus and any other prospectus filed under Rule 424 of the Securities Act) as such Holders may reasonably request, in conformity with the requirements of the Securities Act, and (iii) such other documents as such Holder may require to consummate the disposition of the Registrable Securities owned by such Holder, but only during the Effectiveness Period;

(e) use its commercially reasonable efforts to register or qualify such registration under such other applicable securities laws of such jurisdictions as any Holder of Registrable Securities covered by such Registration Statement reasonably requests and as may be necessary for the marketability of the Registrable Securities (such request to be made by the time the applicable Registration Statement is deemed effective by the Commission) and do any and all other acts and things necessary to enable such Holder to consummate the disposition in such jurisdictions of the Registrable Securities owned by such Holder; provided, that the Company shall not be required to (i) qualify generally to do business in any jurisdiction where it would not otherwise be required to qualify but for this paragraph, (ii) subject itself to taxation in any such jurisdiction, or (iii) consent to general service of process in any such jurisdiction.

(f) as promptly as practicable after becoming aware of such event, notify each Holder of Registrable Securities, the disposition of which requires delivery of a prospectus relating thereto under the Securities Act, of the happening of any event, which comes to the Company’s attention, that will after the occurrence of such event cause the prospectus included in such Registration Statement, if not amended or supplemented, to contain an untrue statement of a material fact or an omission to state a material fact required to be stated therein or necessary to make the statements therein not misleading and the Company shall promptly thereafter prepare and furnish to such Holder a supplement or amendment to such prospectus (or prepare and file appropriate reports under the Exchange Act) so that, as thereafter delivered to the purchasers of such Registrable Securities, such prospectus shall not contain an untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein not misleading, unless suspension of the use of such prospectus otherwise is authorized herein or in the event of a Blackout Period, in which case no supplement or amendment need be furnished (or Exchange Act filing made) until the termination of such suspension or Blackout Period;

(g) comply, and continue to comply during the Effectiveness Period, in all material respects with the Securities Act and the Exchange Act and with all applicable rules and regulations of the Commission with respect to the disposition of all securities covered by such Registration Statement;

(h) as promptly as practicable after becoming aware of such event, notify each Holder of Registrable Securities being offered or sold pursuant to the Registration Statement of the issuance by the Commission of any stop order or other suspension of effectiveness of the Registration Statement;

(i) use its commercially reasonable efforts to cause all the Registrable Securities covered by the Registration Statement to be quoted on the OTC Bulletin Board or such other principal securities market on which securities of the same class or series issued by the Company are then listed or traded;

(j) provide a transfer agent and registrar, which may be a single entity, for the shares of Common Stock at all times;

(k) cooperate with the Holders of Registrable Securities being offered pursuant to the Registration Statement to issue and deliver, or cause its transfer agent to issue and deliver, certificates representing Registrable Securities to be offered pursuant to the Registration Statement within a reasonable time after the delivery of certificates representing the Registrable Securities to the transfer agent or the Company, as applicable, and enable such certificates to be in such denominations or amounts as the Holders may reasonably request and registered in such names as the Holders may request;

(l) during the Effectiveness Period, refrain from bidding for or purchasing any Common Stock or any right to purchase Common Stock or attempting to induce any person to purchase any such security or right if such bid, purchase or attempt would in any way limit the right of the Holders to sell Registrable Securities by reason of the limitations set forth in Regulation M of the Exchange Act; and

(m) take all other reasonable actions necessary to expedite and facilitate the disposition by the Holders of the Registrable Securities pursuant to the Registration Statement during the term of this Agreement.

5. Suspension of Offers and Sales. Each Holder agrees that, upon receipt of any notice from the Company of the happening of any event of the kind described in Section 4(f) hereof or of the commencement of a Blackout Period, such Holder shall discontinue the disposition of Registrable Securities included in the Registration Statement until such Holder’s receipt of the copies of the supplemented or amended prospectus contemplated by Section 4(f) hereof or notice of the end of the Blackout Period, and, if so directed by the Company, such Holder shall deliver to the Company (at the Company’s expense) all copies (including, without limitation, any and all drafts), other than permanent file copies, then in such Holder’s possession, of the prospectus covering such Registrable Securities current at the time of receipt of such notice.

6. Registration Expenses. The Company shall pay all expenses in connection with any registration obligation provided herein, including, without limitation, all registration, filing, stock exchange fees, printing expenses, all fees and expenses of complying with applicable securities laws, and the fees and disbursements of counsel for the Company and of its independent accountants; provided, that, in any underwritten registration, each party shall pay for its own underwriting discounts and commissions and transfer taxes. Except as provided in this Section and Section 9, the Company shall not be responsible for the expenses of any attorney or other advisor employed by a Holder.

7. Assignment of Rights. No Holder may assign its rights under this Agreement to any party without the prior written consent of the Company; provided, however, that any Holder may assign its rights under this Agreement without such consent to a Permitted Assignee as long as (a) such transfer or assignment is effected in accordance with applicable securities laws; (b) such transferee or assignee agrees in writing to become subject to the terms of this Agreement; and (c) such Holder notifies the Company in writing of such transfer or assignment, stating the name and address of the transferee or assignee and identifying the Registrable Securities with respect to which such rights are being transferred or assigned.

8. Information by Holder. Holders included in any registration shall furnish to the Company such information as the Company may reasonably request in writing regarding such Holders and the distribution proposed by such Holders including an updated Selling Shareholder Questionnaire if requested by the Company.

9. Indemnification.

(a) In the event of the offer and sale of Registrable Securities under the Securities Act, the Company shall, and hereby does, indemnify and hold harmless, to the fullest extent permitted by law, each Holder, its directors, officers, partners, each other person who participates as an underwriter in the offering or sale of such securities, and each other person, if any, who controls or is under common control with such Holder or any such underwriter within the meaning of Section 15 of the Securities Act, against any losses, claims, damages or liabilities, joint or several, and expenses to which the Holder or any such director, officer, partner or underwriter or controlling person may become subject under the Securities Act or otherwise, insofar as such losses, claims, damages, liabilities or expenses (or actions or proceedings, whether commenced or threatened, in respect thereof) arise out of or are based upon any untrue statement of any material fact contained in any registration statement prepared and filed by the Company under which Registrable Securities were registered under the Securities Act, any preliminary prospectus, final prospectus or summary prospectus contained therein, or any amendment or supplement thereto, or any omission to state therein a material fact required to be stated or necessary to make the statements therein in light of the circumstances in which they were made not misleading, and the Company shall reimburse the Holder, and each such director, officer, partner, underwriter and controlling person for any legal or any other expenses reasonably incurred by them in connection with investigating, defending or settling any such loss, claim, damage, liability, action or proceeding; provided, that such indemnity agreement found in this Section 9(a) shall in no event exceed the Purchase Price received by the Company pursuant to the Subscription Agreement, except in the case of fraud or willful misconduct by the Company; and provided further, that the Company shall not be liable in any such case (i) to the extent that any such loss, claim, damage, liability (or action or proceeding in respect thereof) or expense arises out of or is based upon an untrue statement in or omission from such registration statement, any such preliminary prospectus, final prospectus, summary prospectus, amendment or supplement in reliance upon and in conformity with written information furnished to the Company by a Holder for use in the preparation thereof or (ii) if the person asserting any such loss, claim, damage, liability (or action or proceeding in respect thereof) who purchased the Registrable Securities that are the subject thereof did not receive a copy of an amended preliminary prospectus or the final prospectus (or the final prospectus as amended or supplemented) at or prior to the written confirmation of the sale of such Registrable Securities to such person because of the failure of such Holder or underwriter to so provide such amended preliminary or final prospectus and the untrue statement or omission of a material fact made in such preliminary prospectus was corrected in the amended preliminary or final prospectus (or the final prospectus as amended or supplemented). Such indemnity shall remain in full force and effect regardless of any investigation made by or on behalf of the Holders, or any such director, officer, partner, underwriter or controlling person, shall survive the transfer of such shares by the Holder, and shall survive the termination of this Agreement.

(b) As a condition to including Registrable Securities in any registration statement filed pursuant to this Agreement, each Holder agrees to be bound by the terms of this Section 9 and to indemnify and hold harmless, to the fullest extent permitted by law, the Company, each of its directors, officers, partners, legal counsel and accountants and each underwriter, if any, and each other person, if any, who controls the Company within the meaning of Section 15 of the Securities Act, against any losses, claims, damages or liabilities, joint or several, to which the Company or any such director or officer or controlling person may become subject under the Securities Act or otherwise, insofar as such losses, claims, damages or liabilities (or actions or proceedings, whether commenced or threatened, in respect thereof) arise out of or are based upon an untrue statement in or omission from such registration statement, any such preliminary prospectus, final prospectus, summary prospectus, amendment or supplement in reliance upon and in conformity with written information furnished by the Holder for use in the preparation thereof, and such Holder shall reimburse the Company, and such Holders, directors, officers, partners, legal counsel and accountants, persons, underwriters, or control persons, each such director, officer, and controlling person for any legal or other expenses reasonably incurred by them in connection with investigating, defending, or settling any such loss, claim, damage, liability, action, or proceeding; provided, however, that such indemnity agreement found in this Section 9(b) shall in no event exceed the net proceeds received by such Holder as a result of the sale of Registrable Securities pursuant to such registration statement, except in the case of fraud or willful misconduct. Such indemnity shall remain in full force and effect, regardless of any investigation made by or on behalf of the Company or any such director, officer or controlling person, shall survive the transfer of such shares by the Holder, and shall survive the termination of this Agreement.

(c) Promptly after receipt by an indemnified party of notice of the commencement of any action or proceeding involving a claim referred to in this Section (including any governmental action), such indemnified party shall, if a claim in respect thereof is to be made against an indemnifying party, give written notice to the indemnifying party of the commencement of such action; provided, that the failure of any indemnified party to give notice as provided herein shall not relieve the indemnifying party of its obligations under this Section, except to the extent that the indemnifying party is actually prejudiced by such failure to give notice. In case any such action is brought against an indemnified party, unless in the reasonable judgment of counsel to such indemnified party a conflict of interest between such indemnified and indemnifying parties may exist or the indemnified party may have defenses not available to the indemnifying party in respect of such claim, the indemnifying party shall be entitled to participate in and to assume the defense thereof, with counsel reasonably satisfactory to such indemnified party and, after notice from the indemnifying party to such indemnified party of its election so to assume the defense thereof, the indemnifying party shall not be liable to such indemnified party for any legal or other expenses subsequently incurred by the latter in connection with the defense thereof, unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties arises in respect of such claim after the assumption of the defenses thereof or the indemnifying party fails to defend such claim in a diligent manner, other than reasonable costs of investigation. Neither an indemnified nor an indemnifying party shall be liable for any settlement of any action or proceeding effected without its consent. No indemnifying party shall, without the consent of the indemnified party, consent to entry of any judgment or enter into any settlement, which does not include as an unconditional term thereof the giving by the claimant or plaintiff to such indemnified party of a release from all liability in respect of such claim or litigation. Notwithstanding anything to the contrary set forth herein, and without limiting any of the rights set forth above, in any event any party shall have the right to retain, at its own expense, counsel with respect to the defense of a claim. Each indemnified party shall furnish such information regarding itself or the claim in question as an indemnifying party may reasonably request in writing and as shall be reasonably required in connection with defense of such claim and litigation resulting therefrom.

(d) If an indemnifying party does or is not permitted to assume the defense of an action pursuant to Sections 9(c) or in the case of the expense reimbursement obligation set forth in Sections 9(a) and (b), the indemnification required by Sections 9(a) and 9(b) shall be made by periodic payments of the amount thereof during the course of the investigation or defense, as and when bills received or expenses, losses, damages, or liabilities are incurred.

(e) If the indemnification provided for in Section 9(a) or 9(b) is held by a court of competent jurisdiction to be unavailable to an indemnified party with respect to any loss, liability, claim, damage or expense referred to herein, the indemnifying party, in lieu of indemnifying such indemnified party hereunder, shall (i) contribute to the amount paid or payable by such indemnified party as a result of such loss, liability, claim, damage or expense as is appropriate to reflect the proportionate relative fault of the indemnifying party on the one hand and the indemnified party on the other (determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or omission relates to information supplied by the indemnifying party or the indemnified party and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such untrue statement or omission), or (ii) if the allocation provided by clause (i) above is not permitted by applicable law or provides a lesser sum to the indemnified party than the amount hereinafter calculated, not only the proportionate relative fault of the indemnifying party and the indemnified party, but also the relative benefits received by the indemnifying party on the one hand and the indemnified party on the other, as well as any other relevant equitable considerations. No indemnified party guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any indemnifying party who was not guilty of such fraudulent misrepresentation.

(f) Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in the underwriting agreement entered into in connection with an underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control.

(g) Other Indemnification. Indemnification similar to that specified in this Section (with appropriate modifications) shall be given by the Company and each Holder of Registrable Securities with respect to any required registration or other qualification of securities under any federal or state law or regulation or governmental authority other than the Securities Act.

10. Independent Nature of Each Purchaser’s Obligations and Rights. The obligations of each Purchaser under this Agreement are several and not joint with the obligations of any other Purchaser, and each Purchaser shall not be responsible in any way for the performance of the obligations of any other Purchaser under this Agreement. Nothing contained herein and no action taken by any Purchaser pursuant hereto, shall be deemed to constitute such Purchasers as a partnership, an association, a joint venture, or any other kind of entity, or create a presumption that the Purchasers are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated by this Agreement. Each Purchaser shall be entitled to independently protect and enforce its rights, including without limitation the rights arising out of this Agreement, and it shall not be necessary for any other Purchaser to be joined as an additional party in any proceeding for such purpose.

11. Reports Under the Exchange Act. With a view to making available to the Purchasers the benefits of Rule 144 and any other rule or regulation of the SEC that may at any time permit the Purchasers to sell the Registrable Securities to the public without registration, the Company agrees: (i) to make and keep public information available as those terms are understood in Rule 144, (ii) to file with the SEC in a timely manner all reports and other documents required to be filed by an issuer of securities registered under the Securities Act or the Exchange Act pursuant to Rule 144, (iii) as long as any Purchaser owns any Registrable Securities, to furnish in writing upon such Purchaser’s request a written statement by the Company confirming whether it has complied with the reporting requirements of Rule 144 and of the Securities Act and the Exchange Act, and to furnish to such Purchaser a copy of the most recent annual or quarterly report of the Company, and such other reports and documents so filed by the Company as may be reasonably requested in availing such Purchaser of any rule or regulation of the SEC permitting the selling of any such Registrable Securities without registration and (iv) to undertake any additional actions reasonably necessary to maintain the availability of the use of Rule 144.

12. Miscellaneous.

(a) Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the United States of America and the State of New York, both substantive and remedial, without regard to New York conflicts of law principles. Any judicial proceeding brought against either of the parties to this Agreement or any dispute arising out of this Agreement or any matter related hereto shall be brought in the courts of the State of New York, New York County, or in the United States District Court for the Southern District of New York and, by its execution and delivery of this Agreement, each party to this Agreement accepts the jurisdiction of such courts. The foregoing consent to jurisdiction shall not be deemed to confer rights on any person other than the parties to this Agreement.

(b) Remedies. In the event of a breach by the Company or by a Holder of any of their respective obligations under this Agreement, each Holder or the Company, as the case may be, in addition to being entitled to exercise all rights granted by law and under this Agreement, including recovery of damages, shall be entitled to specific performance of its rights under this Agreement. The Company and each Holder agree that monetary damages would not provide adequate compensation for any losses incurred by reason of a breach by it of any of the provisions of this Agreement and hereby further agrees that, in the event of any action for specific performance in respect of such breach, it shall not assert or shall waive the defense that a remedy at law would be adequate.

(c) Successors and Assigns. Except as otherwise provided herein, the provisions hereof shall inure to the benefit of, and be binding upon, the successors, Permitted Assignees, executors and administrators of the parties hereto.

(d) No Inconsistent Agreements. The Company has not entered, as of the date hereof, and shall not enter, on or after the date of this Agreement, into any agreement with respect to its securities that would have the effect of impairing the rights granted to the Holders in this Agreement or otherwise conflicts with the provisions hereof.

(e) Entire Agreement. This Agreement constitutes the full and entire understanding and agreement between the parties with regard to the subjects hereof.

(f) Notices, etc. All notices or other communications which are required or permitted under this Agreement shall be in writing and sufficient if delivered by hand, by facsimile transmission, by registered or certified mail, postage pre-paid, by electronic mail, or by courier or overnight carrier, to the persons at the addresses set forth below (or at such other address as may be provided hereunder), and shall be deemed to have been delivered as of the date so delivered:

If to the Company to:

Xx Xxxxxx Energy, Inc.

Xxxxx 00 #0-00, Xxxxxxx 000

Xxxxxx, Xxxxxxxx

Attention: Xxxxxx Xxxxxxxxx, Chief Executive Officer

Facsimile:

with copy to:

Gottbetter & Partners, LLP

000 Xxxxxxx Xxxxxx, 00xx Xxxxx

Xxx Xxxx, XX 00000

Attention: Xxxx X. Xxxxxxxxxx, Esq.

Facsimile: (000) 000-0000

If to the Purchasers:

To each Purchaser at the address set forth on the signature page hereto;

or at such other address as any party shall have furnished to the other parties in writing.

(g) Delays or Omissions. No delay or omission to exercise any right, power or remedy accruing to any Holder, upon any breach or default of the Company under this Agreement, shall impair any such right, power or remedy of such Holder nor shall it be construed to be a waiver of any such breach or default, or an acquiescence therein, or of any similar breach or default thereunder occurring; nor shall any waiver of any single breach or default be deemed a waiver of any other breach or default theretofore or thereafter occurring. Any waiver, permit, consent or approval of any kind or character on the part of any Holder of any breach or default under this Agreement, or any waiver on the part of any Holder of any provisions or conditions of this Agreement, must be in writing and shall be effective only to the extent specifically set forth in such writing. All remedies, either under this Agreement, or by law or otherwise afforded to any Holder, shall be cumulative and not alternative.

(h) Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be enforceable against the parties actually executing such counterparts, and all of which together shall constitute one instrument. In the event that any signature is delivered by facsimile transmission, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature is executed) with the same force and effect as if such facsimile signature page were an original thereof.

(i) Severability. In the case any provision of this Agreement shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

(j) Amendments. The provisions of this Agreement may be amended at any time and from time to time, and particular provisions of this Agreement may be waived, with and only with an agreement or consent in writing signed by the Company and the Majority Holders. The Purchasers acknowledge that by the operation of this Section, the Majority Holders may have the right and power to diminish or eliminate all rights of the Purchasers under this Agreement.

(k) Limitation on Subsequent Registration Rights. After the date of this Agreement, the Company shall not, without the prior written consent of the Total Investment Majority, enter into any agreement with any holder or prospective holder of any securities of the Company that would grant such holder registration rights senior or equal to those granted to the Holders hereunder.

[SIGNATURE PAGES FOLLOW]

This Registration Rights Agreement is hereby executed as of the date first above written.

COMPANY:

XX XXXXXX ENERGY, INC.

By:
Name: Xxxxxx Xxxxxxxxx
Title: Chief Executive Officer

[SIGNATURE PAGE OF PURCHASER FOLLOWS]

This Registration Rights Agreement is hereby executed by the undersigned, as the Purchaser thereunder, as of the date first above written.

AVANTE PETROLEUM S.A.

By:
	Name:
	Title:

Address for notices:
00x Xxxxxxxxx Xxxxxx XX
0000 Xxxxxxxxxx
Facsimile:

Annex A

XX XXXXXX ENERGY, INC.

Selling Securityholder Notice and Questionnaire

The undersigned beneficial owner of Registrable Securities of Xx Xxxxxx Energy, Inc., a Nevada corporation (the “Company”), understands that the Company has filed or intends to file with the Securities and Exchange Commission a registration statement (the “Registration Statement”) for the registration and resale under Rule 415 of the Securities Act of 1933, as amended, of the Registrable Securities, in accordance with the terms of the Registration Rights Agreement (the “Registration Rights Agreement”) to which this document is annexed. A copy of the Registration Rights Agreement is available from the Company upon request at the address set forth below. All capitalized terms not otherwise defined herein shall have the meanings ascribed thereto in the Registration Rights Agreement.

Certain legal consequences arise from being named as a selling securityholder in the Registration Statement and the related prospectus. Accordingly, holders and beneficial owners of Registrable Securities are advised to consult their own securities law counsel regarding the consequences of being named or not being named as a selling securityholder in the Registration Statement and the related prospectus.

NOTICE

Subject to the terms and conditions of the Registration Rights Agreement, the undersigned beneficial owner (the “Selling Securityholder”) of Registrable Securities hereby elects to include the following Registrable Securities owned by it (and/or issuable upon exercise of Subscription Warrants owned by it) in the Registration Statement:

Registrable Common Shares;

Registrable Warrant Shares; and

Registrable Acquisition Shares.

The undersigned hereby provides the following information to the Company and represents and warrants that such information is accurate:

QUESTIONNAIRE

Name:

	(a)	Full Legal Name of Selling Securityholder

	(b)	Full Legal Name of Registered Holder (if not the same as (a) above) through which Registrable Securities are held:

	(c)	Full Legal Name of Natural Control Person (which means a natural person who directly or indirectly alone or with others has power to vote or dispose of the securities covered by the questionnaire):

2.	Address for Notices to Selling Securityholder:




Telephone:		Fax:

Email:

Contact Person:

3.	Broker-Dealer Status:

(a)

Are you a broker-dealer?

Yes ¨ No ¨

(b)

If “yes” to Section 3(a), did you receive your Registrable Securities as compensation for investment banking services to the Company?

Yes ¨ No ¨

Note:

If no, the Commission’s staff has indicated that you should be identified as an underwriter in the Registration Statement.

(c)

Are you an affiliate of a broker-dealer?

Yes ¨ No ¨

(d)

If you are an affiliate of a broker-dealer, do you certify that you bought the Registrable Securities in the ordinary course of business, and at the time of the purchase of the Registrable Securities to be resold, you had no agreements or understandings, directly or indirectly, with any person to distribute the Registrable Securities?

Yes ¨ No ¨

Note:

If no, the Commission’s staff has indicated that you should be identified as an underwriter in the Registration Statement.

4.	Beneficial Ownership of Securities of the Company Owned by the Selling Securityholder:

Except as set forth below in this Item 4, the undersigned is not the beneficial or registered owner of any securities of the Company other than the securities issuable pursuant to the PPO.

	(a)	Type and Amount of other securities (other than the Registrable Securities) beneficially owned by the Selling Securityholder:

5. Relationships with the Company:

Except as set forth below, neither the undersigned nor any of its affiliates, officers, directors or principal equity holders (owners of 5% of more of the equity securities of the undersigned) has held any position or office or has had any other material relationship with the Company (or its predecessors or affiliates) during the past three years.

	State any exceptions here:

The undersigned agrees to promptly notify the Company of any inaccuracies or changes in the information provided herein that may occur subsequent to the date hereof at any time while the Registration Statement remains effective.

By signing below, the undersigned consents to the disclosure of the information contained herein in its answers to Items 1 through 5 and the inclusion of such information in the Registration Statement and the related prospectus and any amendments or supplements thereto. The undersigned understands that such information will be relied upon by the Company in connection with the preparation or amendment of the Registration Statement and the related prospectus.

IN WITNESS WHEREOF the undersigned, by authority duly given, has caused this Selling Securityholder Notice and Questionnaire to be executed and delivered either in person or by its duly authorized agent.

Dated:

Beneficial Owner:

By:
	Name:
	Title:

PLEASE FAX A COPY OF THE COMPLETED AND EXECUTED NOTICE AND QUESTIONNAIRE, AND RETURN THE ORIGINAL BY OVERNIGHT MAIL, TO:

Gottbetter & Partners, LLP

000 Xxxxxxx Xxxxxx, 00xx Xxxxx

Xxx Xxxx, XX 00000

Attention: Xxxxxx X. XxXxxxxx

Facsimile: (000) 000-0000

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REGISTRATION RIGHTS AGREEMENT

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