Amendment to Section 1.1. Effective as of the original Execution Date, Section 1.1 (Defined Terms) to the Purchase Agreement is hereby amended as follows:

The definition of “Buyer Pro Rata Share” is hereby amended and restated in its entirety with the following: ““Buyer Pro Rata Share” means, with respect to (a) Infinity, 60%, and (b) NOG, 40%.”

The definition of “Infinity Assets” is hereby amended and restated in its entirety with the following: ““Infinity Assets” means (a) an undivided 60% of all right, title and interest in and to the Specified Assets, and (b) all right, title and interest in and to the Infinity Only Assets.”

The definition of “NOG Assets” is hereby amended and restated in its entirety with the following: ““NOG Assets” means an undivided 40% of all right, title and interest in and to the Specified Assets.”

The definition of “Assets” is hereby amended by adding the following as the final two subparts of such definition:

“(s) all lessor royalties, overriding royalty interest, non-participating royalty interests, production payments, net profits interests, carried interests, reversionary interests and all other Royalties and any other similar interests located within the Sale Area, including those set forth on Exhibit A-1; and

(t) the spill response trailers located on the Andes pad and Krupa pad.”

Amendment to Section 7.1(f). Effective as of the original Execution Date, Section 7.1(f) (Conduct of Business) to the Purchase Agreement is hereby amended and restated in its entirety with the provision set forth on Annex I.

Amendment to Exhibit A-1. Effective as of the original Execution Date, Exhibit A-1 (Leases; Mineral Interests) to the Purchase Agreement is hereby amended by adding the overriding royalty interests listed on Annex II Part 1 and the leases on Annex II Part 2.

Amendment to Exhibit B. Effective as of the original Execution Date, Exhibit B (Wells; Well Pad Locations) to the Purchase Agreement is hereby amended by adding the Wells listed on Annex III Part 1.

Amendment to Exhibit B. Effective as of the original Execution Date, Exhibit B (P&A Wells) to the Purchase Agreement is hereby amended by adding the Wells listed on Annex III Part 2.

Amendment to Exhibit E. Effective as of the original Execution Date, Exhibit E (Transferred Vehicles) to the Purchase Agreement is hereby amended by adding the Transferred Vehicles listed on Annex IV.

Amendment to Exhibit O. Effective as of the original Execution Date, Exhibit O (Certain Applicable Contracts) to the Purchase Agreement is hereby amended by deleting the contracts listed on Annex V.

Amendment to Schedule 1.1(cc). Effective as of the original Execution Date, Schedule 1.1(cc) (Certain Excluded Assets) to the Purchase Agreement is hereby amended as set forth on Annex VI.

Amendment to Schedule 7.5. Effective as of the original Execution Date, the Purchase Agreement is hereby amended by adding Annex VII as Schedule 7.5 (Assumed Litigation) to the Purchase Agreement.

Amendment to Schedule 8.4. Effective as of the original Execution Date, Schedule 8.4 (Consents) to the Purchase Agreement is hereby amended by deleting the contracts listed on Annex VIII.

Amendment to Schedules 8.7 (Litigation) and 8.18(a) (Royalties and Working Interest Payments). Schedule 8.7 (Litigation) and Schedule 8.18(a) (Royalties and Working Interest Payments) to the Purchase Agreement is hereby amended to add the matter set forth on Annex IX.

Amendment to Schedule 8.8(a). Effective as of the original Execution Date, Schedule 8.8(a) (Material Contracts) to the Purchase Agreement is hereby amended as set forth on Annex X.

Direction Under Section 16.4 of the Purchase Agreement. The Parties acknowledge and agree that Infinity hereby directs Seller pursuant to Section 16.4 of the Purchase Agreement to convey certain Assets to INR Ohio, LLC pursuant to the Instruments of Conveyance, and further pursuant to the terms thereof that Infinity and INR Ohio, LLC shall be jointly and severally liable for any and all obligations of Infinity as Buyer under the Purchase Agreement with respect thereto.

Mutual Acknowledgement. The Parties acknowledge and agree to the matters set forth on Annex XI.

Compliance with the Purchase Agreement. The Parties acknowledge and agree that this Amendment is in compliance with the Purchase Agreement, having been prepared pursuant to Section 16.12 of the Purchase Agreement, and constitutes a valid amendment, binding on the Parties.

Incorporation by Reference. Sections 1.2 (References and Rules of Construction), 16.1 (Exhibits and Schedules), 16.4 (Assignment), 16.10 (Entire Agreement; Conflicts), 16.11 (Parties in Interest), 16.12 (Amendment), 16.13 (Waiver; Rights Cumulative), 16.14 (Conflict of Law Jurisdiction, Venue; Jury Waiver), 16.16 (Severability) and 16.17 (Counterparts) of the Purchase Agreement are incorporated herein by reference and shall apply to the terms and provisions of this Amendment and the Parties mutatis mutandis.