Form of Retention Award Terms and Conditions, 2017 revision, as part of the Restricted Stock Unit Award, granted under the 2014 Omnibus Stock and Performance Incentive Plan of ConocoPhillips

Exhibit 10.27.15

[Grant Date]

RETENTION AWARD

TERMS AND CONDITIONS

These Retention Award Terms and Conditions describe terms and conditions of Restricted Stock Unit Awards granted under the 2014 Omnibus Stock and Performance Incentive Plan of ConocoPhillips (referred to as the Plan) by ConocoPhillips (the Company) to [                    ] (Employee). These Terms and Conditions, together with the Award Summary given to Employee, form the Award Agreement (the Agreement) relating to the Award described.

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DEFINITIONS

Capitalized terms not defined below shall have the meanings set forth in the Plan.

“Authorized Party” means the person who is authorized to approve an Award, exercise discretion or take action under the Administrative Procedure for the Restricted Stock Program and pursuant to the Program. With regard to Senior Officers, the Committee is the Authorized Party. With regard to other Employees, the Chief Executive Officer, acting as the Special Equity Award Committee of the Board of Directors of the Company, is the Authorized Party, although the Committee may act concurrently as the Authorized Party. The Authorized Party may delegate duties and responsibilities regarding the operation of the Program, other than the authority to grant an Award.

“Award” means the Restricted Stock Units granted to the Employee pursuant to the foregoing terms, conditions, and limitations.

“Change of Control” has the meaning set forth in Attachment A to these Terms and Conditions.

“Chief Executive Officer” or “CEO” means the Chief Executive Officer of the Company.

“Committee” means the Human Resources and Compensation Committee of the Board of Directors of the Company, or any successor committee to it.

“Company” means ConocoPhillips a Delaware corporation.

“Disability” means a disability for which the employee in question has been determined to be entitled to either (i) benefits under the applicable plan of long-term disability of the Company or its subsidiaries or (ii) disability benefits under the Social Security Act. In the absence of any such determination, the Authorized Party may make a determination that the employee has a Disability.

“Fair Market Value” means, as of a particular date, the mean between the highest and lowest sales price per share of such Stock on the consolidated transaction reporting system for the principal national securities exchange on which shares of Stock are listed on that date, or, if there shall have been no such sale so reported on that date, on the next preceding date on which such a sale was so reported, or, at the discretion of the Committee, the price prevailing on the exchange at a designated time.

“Grant Price” means the Fair Market Value for one share of Stock as of the date of the grant of an Award. Grant price is not adjusted for any restrictions applicable to the Award.

“Layoff” means an applicable Termination of Employment due to layoff under the ConocoPhillips Severance Pay Plan, the ConocoPhillips Executive Severance Plan, or the ConocoPhillips Key Employee Change in Control Severance Plan, or layoff or redundancy under any similar layoff or redundancy plan which the Company or its subsidiaries may adopt from time to time. If all or any portion of the benefits under the redundancy or layoff plan are contingent on the employee’s signing a general release of liability, such Termination shall not be considered as a “Layoff” for purposes of this Award unless the employee executes and does not revoke a general release of liability, acceptable to the Company, under the terms of such layoff or redundancy plan. In order to be considered a layoff for purposes of this Award, the Termination of Employment must also be considered a Separation from Service.

“Participating Company” includes ConocoPhillips and its 100% owned subsidiaries, including both those directly owned and those owned through subsidiaries, whose participation has been approved by the Authorized Party.

“Restricted Stock Unit” means a unit equal to one share of Stock (as determined by the Authorized Party) that is subject to forfeiture provisions or that has certain restrictions attached to the ownership thereof.

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“Retirement” means Termination at age 55 or older with a minimum of 5 years service with a Participating Company; provided, however, that with regard to an Employee not on the United States payroll, the CEO may approve the use of a different definition. Service is defined by the policies of the Participating Company.

“Senior Officer” means the Chairman of the Board, the CEO, all other executive officers of the Company (determined in accordance with the Company’s custom and practice pursuant to section 16(b) of the Securities Exchange Act of 1934, as amended), all other employees of the Company who report directly to the CEO and whose salary grade is 23 or higher, and all other employees of the Company whose salary grade is 26 or higher.

“Separation from Service” means “separation from service” as that term is used in section 409A of the Internal Revenue Code.

“Stock” means shares of common stock of the Company, par value $.01. Stock may also be referred to as “Common Stock.”

“Termination” or “Termination of Employment” means cessation of employment with the Participating Companies, determined in accordance with the policies and practices of the Participating Company for whom the Employee was last performing services.

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Attachment “A”

“Change of Control”

The following definitions apply to the Change of Control provision in Section 10 of the Plan.

“Affiliate” shall have the meaning ascribed to such term in Rule 12b-2 of the General Rules and Regulations under the Exchange Act, as in effect at the time of determination.

“Associate” shall mean, with reference to any Person, (a) any corporation, firm, partnership, association, unincorporated organization or other entity (other than the Company or a subsidiary of the Company) of which such Person is an officer or general partner (or officer or general partner of a general partner) or is, directly or indirectly, the Beneficial Owner of 10% or more of any class of equity securities, (b) any trust or other estate in which such Person has a substantial beneficial interest or as to which such Person serves as trustee or in a similar fiduciary capacity and (c) any relative or spouse of such Person, or any relative of such spouse, who has the same home as such Person.

“Beneficial Owner” shall mean, with reference to any securities, any Person if:

(a) such Person or any of such Person’s Affiliates and Associates, directly or indirectly, is the “beneficial owner” of (as determined pursuant to Rule 13d-3 of the General Rules and Regulations under the Exchange Act, as in effect at the time of determination) such securities or otherwise has the right to vote or dispose of such securities;

(b) such Person or any of such Person’s Affiliates and Associates, directly or indirectly, has the right or obligation to acquire such securities (whether such right or obligation is exercisable or effective immediately or only after the passage of time or the occurrence of an event) pursuant to any agreement, arrangement or understanding (whether or not in writing) or upon the exercise of conversion rights, exchange rights, other rights, warrants or options, or otherwise; provided, however, that a Person shall not be deemed the Beneficial Owner of, or to “beneficially own,” (i) securities tendered pursuant to a tender or exchange offer made by such Person or any of such Person’s Affiliates or Associates until such tendered securities are accepted for purchase or exchange or (ii) securities issuable upon exercise of Exempt Rights; or

(c) such Person or any of such Person’s Affiliates or Associates (i) has any agreement, arrangement or understanding (whether or not in writing) with any other Person (or any Affiliate or Associate thereof) that beneficially owns such securities for the purpose of acquiring, holding, voting (except as set forth in the proviso to subsection (a) of this definition) or disposing of such securities or (ii) is a member of a group (as that term is used in Rule 13d-5(b) of the General Rules and Regulations under the Exchange Act) that includes any other Person that beneficially owns such securities;

provided, however, that nothing in this definition shall cause a Person engaged in business as an underwriter of securities to be the Beneficial Owner of, or to “beneficially own,” any securities acquired through such Person’s participation in good faith in a firm commitment underwriting until the expiration of 40 days after the date of such acquisition. For purposes hereof, “voting” a security shall include voting, granting a proxy, consenting or making a request or demand relating to corporate action (including, without limitation, a demand for a shareholder list, to call a shareholder meeting or to inspect corporate books and records) or otherwise giving an authorization (within the meaning of section 14(a) of the Exchange Act) in respect of such security.

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The terms “beneficially own” and “beneficially owning” shall have meanings that are correlative to this definition of the term “Beneficial Owner.”

“Board” shall have the meaning set forth in the Plan.

“Change of Control” shall mean any of the following occurring on or after January 1, 2017:

(a) any Person (other than an Exempt Person) shall become the Beneficial Owner of 20% or more of the shares of Common Stock then outstanding or 20% or more of the combined voting power of the Voting Stock of the Company then outstanding; provided, however, that no Change of Control shall be deemed to occur for purposes of this subsection (a) if such Person shall become a Beneficial Owner of 20% or more of the shares of Common Stock then outstanding or 20% or more of the combined voting power of the Voting Stock of the Company then outstanding solely as a result of (i) any acquisition directly from the Company or (ii) any acquisition by a Person pursuant to a transaction that complies with clauses (i), (ii), and (iii) of subsection (c) of this definition;

(b) individuals who, as of January 1, 2017, constitute the Board (the “Incumbent Board”) cease for any reason to constitute at least a majority of the Board; provided, however, that any individual becoming a director subsequent to January 1, 2017 whose election, or nomination for election by the Company’s shareholders, was approved by a vote of at least a majority of the directors then comprising the Incumbent Board shall be considered as though such individual were a member of the Incumbent Board; provided, further, that there shall be excluded, for this purpose, any such individual whose initial assumption of office occurs as a result of any actual or threatened election contest with respect to the election or removal of directors or other actual or threatened solicitation of proxies or consents by or on behalf of a Person other than the Board;

(c) the Company shall consummate a reorganization, merger, statutory share exchange, consolidation, or similar transaction involving the Company or any of its subsidiaries or sale or other disposition of all or substantially all of the assets of the Company, or the acquisition of assets or securities of another entity by the Company or any of its subsidiaries (a “Business Combination”), in each case, unless, following such Business Combination, (i) 50% or more of the then outstanding shares of common stock of the corporation, or common equity securities of an entity other than a corporation, resulting from such Business Combination and the combined voting power of the then outstanding Voting Stock of such corporation or other entity are beneficially owned, directly or indirectly, by all or substantially all of the Persons who were the Beneficial Owners of the outstanding Common Stock immediately prior to such Business Combination in substantially the same proportions as their ownership, immediately prior to such Business Combination, of the outstanding Common Stock, (ii) no Person (excluding any Exempt Person or any Person beneficially owning, immediately prior to such Business Combination, directly or indirectly, 20% or more of the Common Stock then outstanding or 20% or more of the combined voting power of the Voting Stock of the Company then outstanding) beneficially owns, directly or indirectly, 20% or more of the then outstanding shares of common stock of the corporation, or common equity securities of an entity other than a corporation, resulting from such Business Combination or the combined voting power of the

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then outstanding Voting Stock of such corporation or other entity, and (iii) at least a majority of the members of the board of directors of the corporation, or the body which is most analogous to the board of directors of a corporation if not a corporation, resulting from such Business Combination were members of the Incumbent Board at the time of the initial agreement or initial action by the Board providing for such Business Combination; or

(d) the shareholders of the Company shall approve a complete liquidation or dissolution of the Company unless such liquidation or dissolution is approved as part of a transaction that complies with clauses (i), (ii), and (iii) of subsection (c) of this definition.

“Common Stock” shall have the meaning set forth in the Plan.

“Company” shall have the meaning set forth in the Plan.

“Exchange Act” shall mean the Securities Exchange Act of 1934, as amended.

“Exempt Person” shall mean any of the Company, any entity controlled by the Company, any employee benefit plan (or related trust) sponsored or maintained by the Company or any entity controlled by the Company, and any Person organized, appointed, or established by the Company for or pursuant to the terms of any such employee benefit plan.

“Exempt Rights” shall mean any rights to purchase shares of Common Stock or other Voting Stock of the Company if at the time of the issuance thereof such rights are not separable from such Common Stock or other Voting Stock (i.e., are not transferable otherwise than in connection with a transfer of the underlying Common Stock or other Voting Stock), except upon the occurrence of a contingency, whether such rights exist as of January 1, 2017 or are thereafter issued by the Company as a dividend on shares of Common Stock or other Voting Securities or otherwise.

“Person” shall mean any individual, firm, corporation, partnership, association, trust, unincorporated organization, or other entity.

“Voting Stock” shall mean, (1) with respect to a corporation, all securities of such corporation of any class or series that are entitled to vote generally in the election of, or to appoint by contract, directors of such corporation (excluding any class or series that would be entitled so to vote by reason of the occurrence of any contingency, so long as such contingency has not occurred) and (ii) with respect to an entity which is not a corporation, all securities of any class or series that are entitled to vote generally in the election of, or to appoint by contract, members of the body which is most analogous to the board of directors of a corporation.

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