Participation. Subject to the terms and conditions of the Plan, the Board shall determine and designate, from time to time, # the full-time employees of the Company and/or its Subsidiaries who will participate in the Plan, and # any consultants, independent contractors or directors of the Company and/or its Subsidiaries who will participate in the Plan. In the discretion of the Board, a Participant may be awarded Stock Options with or without tandem Stock Appreciation Rights, Performance Units or Restricted Stock or any combination thereof, and more than one award may be granted to a Participant; provided, however, that Incentive Stock Options shall not be awarded to Participants who are not employees of the Company. Except as otherwise agreed to by the Company and the Participant, any award under the Plan shall not affect any previous award to the Participant under the Plan or any other plan maintained by the Company or its Subsidiaries.

Participation. Participants in the Plan shall be selected by the Committee from those Employees who, in the judgment of the Committee, have significantly contributed or can be expected to significantly contribute to Energen’s success; provided, however, that the Committee may delegate to one or more officers of Energen and/or its Subsidiaries the authority to select and make Awards to Participants (who shall not include “covered employees” within the meaning of Code Section 162(m)(3), officers or directors of Energen or its Subsidiaries), provided that such delegation must be made pursuant to a resolution of the Committee specifying the maximum aggregate number of shares of Common Stock that may be subject to Awards by such officer(s).

Participation. The Committee or the Board shall designate from time to time those Employees or classes of Employees who are Participants in the Plan. In the event the Committee or the Board designates certain Participants by job title, position, function or responsibilities, an Employee who is appointed to such a position after the Effective Date of this Plan shall be a Participant upon the date he or she begins his or her duties in such position, unless otherwise determined by the Committee or the Board. The Board may add or remove individual Participants or classes of Participants at any time prior to a Change in Control; provided, however, that the removal of individual Participants or classes of Participants from the Plan shall not be effective for at least 12 months after notification to the Participants of such Committee or Board action. If a Change in Control occurs during such 12-month period, any such action to remove individual Participants or classes of Participants shall be null and void.

Participation. No Employee will have the right to be selected to receive an award under this Plan, or, having been so selected, to be selected to receive a future award.

Participation. If at any time on or after January 1, 2019 and except in connection with the exercise of a demand registration pursuant to Section 2.03 prior to December 31, 2023, the Partnership proposes to file a Registration Statement related to an Underwritten Offering, including pursuant to Section 2.03, then the Partnership shall give not less than four Business Days’ notice (including notification by electronic mail) (the “Piggyback Notice”) of such proposed Underwritten Offering to the BlackRock Purchaser and such Piggyback Notice shall offer the BlackRock Purchaser (on behalf of itself and as representative of the other Holders ) the opportunity to include in such Underwritten Offering up to one-third (including the securities being registered pursuant to Section 2.03) of aggregate number of Registrable Securities outstanding as of the latest Closing Date (or such larger number of Registrable Securities to the extent consented to by the Partnership in its sole and absolute discretion) (the “Included Registrable Securities”), as the BlackRock Purchaser may request in writing (a “Piggyback Registration”); provided, however, that the Partnership shall not be required to offer such opportunity # if the BlackRock Purchaser, together with the other Holders, do not offer a minimum of $50 million of Registrable Securities, in the aggregate (determined by multiplying the number of Common Unit Registrable Securities owned by the Average VWAP for the 10 Trading Days preceding the date of such notice) or # if the Partnership has been advised by the Managing Underwriter that the inclusion of Registrable Securities for sale for the benefit of the BlackRock Purchaser and such Holders will have an adverse effect on the price, timing or distribution of the Common Units in such Underwritten Offering, in which case the amount of Registrable Securities to be offered for the accounts of the BlackRock Purchaser and all other Holders shall be determined based on the provisions of Section 2.02(b). Each Piggyback Notice shall be provided to the BlackRock Purchaser on a Business Day pursuant to Section 3.01 and receipt of such notice shall be confirmed and kept confidential by the BlackRock Purchaser and the Holders (and neither the BlackRock Purchaser nor any other Holder receiving such notice shall purchase or sell Common Units) (provided that any Holder may provide such notice to its personnel, advisors and other representatives on a confidential basis) until either # such proposed

Participation. As a condition to becoming a Participant and being entitled to the benefits and protections provided under the Plan, each Eligible Employee must execute and deliver to the Company, within 30 days after the later of the Effective Date and the date such individual is designated by the Committee as an Eligible Employee, a written agreement in the form attached hereto as [Exhibit I] (or in such other form as may be satisfactory to the Company) to be bound by the restrictive covenants set forth in Article VII. [Schedules A], B and C hereto list the Eligible Employees who have satisfied the conditions for Plan participation and the date as of which each such Eligible Employee became a Participant. The Committee shall cause [Schedules A], B and C to be updated from time to time to reflect the Participants who are currently participating in the Plan. An employee who becomes an Eligible Employee on or after January 1, 2014 shall become a [Schedule C] Participant. However, if an Eligible Employee is newly hired or promoted into a position reflected on [Schedule B] as of June 6, 2014, the Eligible Employee shall become a [Schedule A] Participant.

Participation. Participation in this Plan by an eligible employee is voluntary with respect to the right to elect to contribute Basic Deferrals and be credited with Matching Deferrals but is mandatory with respect to any Company Retirement Deferrals credited under [Section 3.4(d)].

Participation. If at any time holders of no less than 51% of the outstanding Shares of the Company (together, the "Selling Shareholders"), receive a bona fide offer from an independent third party to purchase in one transaction, or a series of related transactions, no less than 75% of the outstanding Shares of the Company (a "Drag-Along Sale"), the Selling Shareholder shall have the right to require that the Investor to participate in such sale.. If the Drag-Along Sale is structured as a merger, consolidation or similar business combination which requires shareholder approval, the Investor shall vote in favor of (or sign a written consent) the transaction and take all actions to waive any dissenters, appraisal or other similar rights.

Cessation of Service. If your service as a member of the Board of Directors of ​ and its Subsidiaries terminates prior to the Vesting Date and Section 3(b) does not apply, the Restricted Stock Units shall be immediately and automatically forfeited.

Cessation of Authority. Except as provided in any such agreement between the parties, Employee understands and agrees that as of the Separation Date, Employee is no longer authorized to incur any expenses, obligations or liabilities, or to make any commitments on behalf of the Company.