Exhibit 10.18

OMNIBUS AGREEMENT

This Omnibus Agreement (“Agreement”) is entered into on, and effective as of, the Effective Date, among Shell Pipeline Company LP, a Delaware limited partnership (“SPLC”), Shell Midstream Partners, L.P., a Delaware limited partnership (the “Partnership”), Shell Midstream Partners GP LLC, a Delaware limited liability company and the general partner of the Partnership (the “General Partner”) and Shell Midstream Operating LLC, a Delaware limited liability company (the “OLLC”).

RECITALS

1.The Parties and Shell Oil Company, a Delaware corporation (“SOC”), previously entered into the Omnibus Agreement on November 3, 2014 (the “Original Agreement”).

2.The Parties and SOC terminated the Original Agreement effective as of February 1, 2019.

3.The Parties desire by their execution of this Agreement to evidence their understanding, as more fully set forth in Article 2, with respect to certain tax indemnification obligations of the Parties to each other.

4.The Parties desire by their execution of this Agreement to evidence their understanding, as more fully set forth in Article 3, with respect to the amount to be paid by the Partnership for the centralized general and administrative services to be performed by SPLC and its Affiliates (including the General Partner) for and on behalf of the Partnership Group.

In consideration of the premises and the covenants, conditions, and agreements contained herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows:

ARTICLE 1

Definitions

1.1Definitions. As used in this Agreement (including the Recitals, which are incorporated herein for all purposes) the following terms shall have the meanings set forth below:

“Administrative Fee” is defined in Section 3.2(a).

“Affiliate” is defined in the Partnership Agreement.

“Amberjack” means Amberjack Pipeline Company LLC, a Delaware limited liability company.

“Bengal” means Bengal Pipeline Company LLC, a Delaware limited liability company.

“Business Day” means each calendar day other than a Saturday, Sunday or a day that is an official holiday in the State of Texas.

“Cleopatra” means Cleopatra Gas Gathering Company, LLC, a Delaware limited liability company.

“Colonial” means Colonial Pipeline Company, a Delaware corporation.

“Confidential Information” means any proprietary or confidential information that is competitively sensitive material or otherwise of value to a Party or its Affiliates and not generally known to the public, including trade secrets, scientific or technical information, design, invention, process, procedure, formula, improvements, product planning information, marketing strategies, financial information, information regarding operations, consumer and/or customer relationships, consumer and/or customer identities and profiles, sales estimates, business plans, and internal performance results relating to the past, present or future business activities of a Party or its

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Exhibit 10.18

Affiliates and the consumers, customers, clients and suppliers of any of the foregoing. Confidential Information includes such information as may be contained in or embodied by documents, substances, engineering and laboratory notebooks, reports, data, specifications, computer source code and object code, flow charts, databases, drawings, pilot plants or demonstration or operating facilities, diagrams, specifications, bills of material, equipment, prototypes and models, and any other tangible manifestation (including data in computer or other digital format) of the foregoing; provided, however, that Confidential Information does not include information that a receiving Party can show (A) has become available to the general public as part of the public domain without breach of this Agreement, (B) has been furnished or made known to the receiving Party without any obligation to keep it confidential by a third party under circumstances which are not known to the receiving Party to involve a breach of the third party’s obligations to a Party or its Affiliates or (C) was developed independently of information furnished or made available to the receiving Party in accordance with this Agreement.

“Contribution Agreement” means that certain Contribution, Assignment and Assumption Agreement, dated as of the IPO Closing Date, among the General Partner, the Partnership, the OLLC and SPLC, together with the additional conveyance documents and instruments contemplated or referenced thereunder, as such may be amended, supplemented or restated from time to time.

“Effective Date” means February 1, 2019.

“Endymion” means Endymion Oil Pipeline Company, LLC, a Delaware limited liability company.

“Explorer” means Explorer Pipeline Company, a Delaware corporation.

“Governmental Authority” means any federal, state, tribal, foreign or local governmental entity, authority, department, court or agency, including any political subdivision thereof, exercising, or entitled to exercise, any administrative, executive, judicial, legislative, police, regulatory or taxing authority or power of any nature, and including any arbitrating body, commission or quasi-governmental authority or self-regulating organization of competent authority exercising or enlisted to exercise similar power or authority.

“Group Member” is defined in the Partnership Agreement.

“Indemnified Person” means the Person entitled to indemnification in accordance with Article 2.

“Indemnifying Party” means the Party from whom indemnification may be sought in accordance with Article 2.

“Interest Rate” means the lesser of (i) 2% over the one-month London Interbank Offered Rate (LIBOR) prevailing during the period in question, and (ii) the maximum rate permitted by applicable law.

“IPOClosing Date” means November 3, 2014.

“Joint Venture Entities” means Zydeco, Mars, Bengal, Colonial, LOCAP, Explorer, Poseidon, Permian Basin, Cleopatra, Proteus, Endymion, Odyssey, Amberjack and any other entities in which the Partnership may, directly or indirectly, acquire and/or own an interest following the Effective Date. For the avoidance of doubt, Joint Venture Entities shall not include any Joint Venture Entities in which the Partnership Group no longer owns an interest, directly or indirectly, whether through sale, transfer, assignment or otherwise.

“Limited Partner” is defined in the Partnership Agreement.

“LOCAP” means LOCAP LLC, a Delaware limited liability company.

“Losses” means any losses, damages, liabilities, claims, demands, causes of action, judgments, settlements, fines, penalties, costs and expenses (including court costs and reasonable attorney’s and expert’s fees) of any and every kind or character, known or unknown, fixed or contingent.

“Mars” means Mars Oil Pipeline Company LLC, a Delaware limited liability company.

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Exhibit 10.18

“Odyssey” means Odyssey Pipeline L.L.C., a Delaware limited liability company.

“Original Joint Venture Entities” means Zydeco, Mars, Bengal and Colonial.

“Partnership Agreement” means the First Amended and Restated Agreement of Limited Partnership of the Partnership, dated as of the IPO Closing Date, as the same may be amended from time to time.

“Partnership Change of Control” means SPLC or its Affiliates cease to control, directly or indirectly, the General Partner. For purposes of this definition, “control” means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of the general partner of the Partnership, whether through ownership of voting securities, by contract, or otherwise.

“Partnership Group” is defined in the Partnership Agreement.

“Party” means a signatory to this Agreement, and “Parties” means all of the signatories to this Agreement.

“Pecten” means Pecten Midstream LLC, a Delaware limited liability company.

“Permian Basin” means Crestwood Permian Basin LLC, a Delaware limited liability company.

“Person” means an individual or a corporation, firm, limited liability company, partnership, joint venture, trust, unincorporated organization, association, government agency or political subdivision thereof or other entity.

“Poseidon” means Poseidon Oil Pipeline Company, LLC, a Delaware limited liability company.

“Proteus” means Proteus Oil Pipeline Company, LLC, a Delaware limited liability company.

“Reimbursable Expenses” is defined in Section 3.3(a).

“Representatives” is defined in Section 4.1(a).

“Sand Dollar” means Sand Dollar Pipeline LLC, a Delaware limited liability company.

“SPLC Entities” means SPLC and each of its Affiliates, other than the General Partner and the Group Members.

“Subsidiary” is defined in the Partnership Agreement.

“Tax Matters Deductible” is defined in Section 2.3(a).

“Triton” means Triton West LLC, a Delaware limited liability company.

“United States Area” means the United States of America and the District of Columbia but excludes Puerto Rico, the U.S. Virgin Islands, Guam and other U.S. territories and possessions.

“Zydeco” means Zydeco Pipeline Company LLC, a Delaware limited liability company.

1.1Rules of Construction. Unless expressly provided for elsewhere in this Agreement, this Agreement shall be interpreted in accordance with the following provisions:

(a)If a word or phrase is defined, its other grammatical forms have a corresponding meaning.

(b)The headings contained in this Agreement are for reference purposes only and shall not affect the meaning or interpretation of this Agreement.

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(c)A reference to any Party to this Agreement or another agreement or document includes the Party’s successors and assigns.

(d)The words “hereof,” “herein” and “hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement, and article, section, subsection and schedule references are to this Agreement unless otherwise specified.

(e)The words “including,” “include,” “includes” and all variations thereof shall mean “including without limitation.”

(f)The word “or” shall have the inclusive meaning represented by the phrase “and/or.”

(g)The words “shall” and “will” have equal force and effect.

(h)The schedules identified in this Agreement are incorporated herein by reference and made a part of this Agreement.

(i)References to “$” or to “dollars” shall mean the lawful currency of the United States of America.

ARTICLE 2

Indemnification

2.1Tax Indemnification. Subject to Section 2.3, SPLC shall indemnify, defend and hold harmless each Group Member from and against any Losses suffered or incurred by such Group Member, directly or indirectly, including as a result of any claim by a third party, by reason of or arising out of, all federal, state and local tax liabilities attributable to the ownership or the operation of the Original Joint Venture Entities by SPLC prior to the IPO Closing Date, and any such tax liabilities that may result from the formation of the Partnership Group and the General Partner or from the consummation of the transactions contemplated by the Contribution Agreement, to the extent that SPLC receives the written notification specified in Section 2.2(a) relating to such liabilities prior to the date that is 60 days after the expiration of the statute of limitations applicable to such liabilities; provided, however, that for purposes of determining the amount of any Loss described in this Section 2.1 suffered or incurred by the Partnership Group, the Partnership’s ownership of only 43.0% of Zydeco, 28.6% of Mars, 49.0% of Bengal and 1.612% of Colonial shall be taken into account such that any Loss described in this Section 2.1 suffered or incurred by the Partnership Group or any Group Member would equal 43.0%, 28.6%, 49.0% or 1.612% of the total such Losses of Zydeco, Mars, Bengal or Colonial, as the case may be.

2.2Indemnification Procedures.

(a)The Indemnified Person agrees that within a reasonable period of time after it becomes aware of facts giving rise to a claim for indemnification under this Article 2, it will provide notice thereof in writing to the Indemnifying Party, specifying the nature of and specific basis for such claim.

(b)The Indemnifying Party shall have the right to control all aspects of the defense of (and any counterclaims with respect to) any claims brought against the Indemnified Person that are covered by the indemnification under this Article 2, including the selection of counsel, determination of whether to appeal any decision of any court and the settling of any such claim or any matter or any issues relating thereto; provided, however, that no such settlement for only the payment of money shall be entered into without the consent of the Indemnified Person, which consent shall not be unreasonably withheld, conditioned or delayed, unless it includes a full release of the Indemnified Person from such claim; provided further, that no such settlement containing any

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form of injunctive or similar relief shall be entered into without the prior written consent of the Indemnified Person, which consent shall not be unreasonably delayed or withheld.

(c)The Indemnified Person agrees to cooperate in good faith and in a commercially reasonable manner with the Indemnifying Party, with respect to all aspects of the defense of and pursuit of any counterclaims with respect to any claims covered by the indemnification under this Article 2, including the prompt furnishing to the Indemnifying Party of any correspondence or other notice relating thereto that the Indemnified Person may receive, permitting the name of the Indemnified Person to be utilized in connection with such defense and counterclaims, the making available to the Indemnifying Party of any files, records or other information of the Indemnified Person that the Indemnifying Party considers relevant to such defense and counterclaims, the making available to the Indemnifying Party of any employees of the Indemnified Person and the granting to the Indemnifying Party of reasonable access rights to the properties and facilities of the Indemnified Person; provided, however, that in connection therewith the Indemnifying Party agrees to use reasonable efforts to minimize the impact thereof on the operations of the Indemnified Person and further agrees to maintain the confidentiality of all files, records, and other information furnished by the Indemnified Person pursuant to this Section 2.2. The obligation of the Indemnified Person to cooperate with the Indemnifying Party as set forth in the immediately preceding sentence shall not be construed as imposing upon the Indemnified Person an obligation to hire and pay for counsel in connection with the defense of and pursuit of any counterclaims with respect to any claims covered by the indemnification set forth in this Article 2; provided, however, that the Indemnified Person may, at its own option, cost and expense, hire and pay for counsel in connection with any such defense and counterclaims. The Indemnifying Party agrees to keep any such counsel hired by the Indemnified Person informed as to the status of any such defense or counterclaim, but the Indemnifying Party shall have the right to retain sole control over such defense and counterclaims so long as the Indemnified Person is still seeking indemnification hereunder.

(d)In determining the amount of any loss, cost, damage or expense for which the Indemnified Person is entitled to indemnification under this Agreement, the gross amount of the indemnification will be reduced by (i) any insurance proceeds realized by the Indemnified Person from third party insurers, and such correlative insurance benefit shall be net of any expenses related to the receipt of such proceeds, including any premium adjustments that become due and payable by the Indemnified Person as a result of such claim, and (ii) all amounts recovered by the Indemnified Person under contractual indemnities from third Persons.

2.3Limitations Regarding Indemnification.

(a)With respect to Losses covered under Section 2.1, SPLC shall not be obligated to indemnify, defend and hold harmless any Group Member until such time as the aggregate amount of such Losses exceeds $500,000 (the “Tax MattersDeductible”), at which time SPLC shall be obligated to indemnify the Partnership Group for the excess of such Losses over the Tax Matters Deductible.

(b)For the avoidance of doubt, there is no deductible with respect to the indemnification owed by any Indemnifying Party under any portion of this Article 2 other than that described in Section 2.3(a).

(c)NOTWITHSTANDING ANYTHING HEREIN TO THE CONTRARY, IN NO EVENT SHALL ANY PARTY’S INDEMNIFICATION OBLIGATION HEREUNDER COVER OR INCLUDE CONSEQUENTIAL, INDIRECT, INCIDENTAL, PUNITIVE, EXEMPLARY, SPECIAL OR SIMILAR DAMAGES OR LOST PROFITS (INCLUDING ANY DIMINUTION IN VALUE OF ANY PARTY’S RESPECTIVE INVESTMENT IN THE PARTNERSHIP OR ANY JOINT VENTURE ENTITY) SUFFERED, DIRECTLY OR INDIRECTLY, BY ANY OTHER PERSON ENTITLED TO INDEMNIFICATION UNDER THIS AGREEMENT, EXCEPT AS A REIMBURSEMENT FOR ANY SUCH DAMAGES AS ARE PAID TO A GOVERNMENTAL ENTITY OR OTHER UNAFFILIATED THIRD PARTY, WHETHER OR NOT THE INDEMNIFYING PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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(d)THE FOREGOING INDEMNITIES ARE INTENDED TO BE ENFORCEABLE AGAINST THE PARTIES IN ACCORDANCE WITH THE EXPRESS TERMS AND SCOPE THEREOF NOTWITHSTANDING ANY EXPRESS NEGLIGENCE RULE OR ANY SIMILAR DIRECTIVE THAT WOULD PROHIBIT OR OTHERWISE LIMIT INDEMNITIES BECAUSE OF THE SOLE, CONCURRENT, ACTIVE OR PASSIVE NEGLIGENCE, STRICT LIABILITY OR FAULT OF ANY OF THE INDEMNIFIED PERSONS.

ARTICLE 3

General and Administrative Services

3.1General. SPLC agrees to provide, and agrees to cause its Affiliates to provide, to the Partnership Group, for the Partnership Group’s benefit, the centralized general and administrative services that SPLC and its Affiliates have traditionally provided in connection with the ownership and operation of the (a) assets owned by the Partnership Group, and (b) Joint Venture Entities, which consist of the services set forth on Schedule A (the “General and Administrative Services”). In performing the General and Administrative Services, SPLC and its Affiliates shall be entitled to contract with third parties on behalf of and as agent for (but without fiduciary liability to) any Group Member. SPLC agrees to, or cause its Affiliates to, provide the Partnership Group with the General and Administrative Services in a manner at or above industry standards (as determined by SPLC).

3.2Administrative Fee.

(a)As consideration for the General and Administrative Services, the Partnership will pay SPLC a fee (the “Administrative Fee”) of $10.5 million per year, payable in equal monthly installments as provided in Section 3.4; provided, however, that for purposes of the month ending February 28, 2019, the monthly installment shall be increased to $1,041,666.67 to account for the difference between the monthly installment for the month ended January 31, 2019 and the equal monthly installment attributable to the Administrative Fee set forth in this Section 3.2.

(b)The Parties acknowledge and agree that the Administrative Fee may change each calendar year, as determined by the General Partner in good faith, to accurately reflect the degree and extent of the General and Administrative Services provided to the Partnership Group and may be adjusted to reflect, among other things, the contribution, acquisition or disposition of assets to or by the Partnership Group or to reflect any change in the cost of providing General and Administrative Services to the Partnership Group due to inflation and to changes in any law, rule or regulation applicable to the SPLC Entities or the Partnership Group, including any interpretation of such laws, rules or regulations.

(c)From time to time, but not more frequently that once during any calendar year:

(i)the General Partner will have the right to submit to SPLC a proposal to reduce the amount of the Administrative Fee for the following twelve-month period or a portion thereof if the General Partner believes, in good faith, that the prospective value of the General and Administrative Services to be performed by SPLC and its Affiliates (other than the Partnership Group) for the benefit of the Partnership Group will be less than the Administrative Fee in effect as such time; and

(ii)SPLC may propose to increase the Administrative Fee for the following twelve-month period or a portion thereof if SPLC believes, in good faith, that the prospective cost of the General and Administrative Services to be performed by SPLC and its Affiliates (other than the Partnership Group) for the benefit of the Partnership Group (including costs incurred by reason of the Partnership’s acquisition or development of assets or changes in the complexity of the Partnership’s operations) will exceed the Administrative Fee in effect at such time.

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Exhibit 10.18

If either Party submits such a proposal to the other Party, both Parties will negotiate in good faith to determine if the Administrative Fee should be changed and, if so, the amount of such change. If the Parties agree that the Administrative Fee should be changed, then the Administrative Fee shall be changed as of the first day of the month following such agreement.

3.3Reimbursable Expenses.

(a)The Partnership shall reimburse the General Partner for all expenses and expenditures incurred by the General Partner on behalf of the Partnership, if any, including as a result of the Partnership becoming and continuing as a publicly traded entity, including costs associated with annual and quarterly reports, independent auditor fees, partnership governance and compliance, registrar and transfer agent fees, tax return and Schedule K-1 preparation and distribution, legal fees and independent director compensation, incurred by SPLC and its Affiliates (other than the Partnership Group) on behalf of the Partnership Group, to the extent such services are not included in the General and Administrative Services (“Reimbursable Expenses”).

(b)Such reimbursements shall be made in accordance with Section 3.4. For the avoidance of doubt, Reimbursable Expenses shall be paid by the Partnership in addition to, and not as a part of or included in, the Administrative Fee.

3.4Invoicing and Payment. On or before the tenth Business Day after each calendar month during which this Agreement is in effect, SPLC shall submit an invoice (either in paper format or in such electronic format as is reasonably requested by SPLC) to the Partnership for the Administrative Fee installment due with respect to such month, as well as any Reimbursable Expenses incurred through the end of such month and not previously paid by the Partnership. The Partnership shall, within ten calendar days of receipt, pay such invoice, except for any Reimbursable Expenses therein being disputed in good faith by the Partnership. Any amounts that the Partnership has disputed in good faith and that are later determined by any court or other competent authority having jurisdiction, or by agreement of the Parties, to be owing from the Partnership shall be paid in full within ten calendar days of such determination, together with interest thereon at the Interest Rate, from the date due under the original invoice until the date of payment.

Omitted.

ARTICLE 4

Miscellaneous

4.1Confidentiality.

(a)From and after the Effective Date, each of the Parties shall hold, and shall cause their respective Subsidiaries and Affiliates and its and their directors, officers, employees, agents, consultants, advisors, and other representatives (collectively, “Representatives”) to hold all Confidential Information disclosed to a Party hereunder in strict confidence,with at least the same degree of care that applies to such Party’s confidential and proprietary information and shall not use such Confidential Information and shall not release or disclose such Confidential Information to any other Person, except its Representatives or except as required by applicable law. Each Party shall be responsible for any breach of this section by any of its Representatives.

(b)If a Party receives a subpoena or other demand for disclosure of Confidential Information received from any other Party or must disclose to a Governmental Authority any Confidential Information received from such other Party in order to obtain or maintain any required governmental approval, the receiving Party shall, to the extent legally permissible, provide notice to the providing Party before disclosing such Confidential Information. Upon receipt of such notice, the providing Party shall promptly either seek an appropriate protective order, waive the receiving Party’s confidentiality obligations hereunder to the extent necessary to permit the

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receiving Party to respond to the demand, or otherwise fully satisfy the subpoena or demand or the requirements of the applicable Governmental Authority. If the receiving Party is legally compelled to disclose such Confidential Information or if the providing Party does not promptly respond as contemplated by this Section 4.1, the receiving Party may disclose that portion of Confidential Information covered by the notice or demand.

(c)        Each Party acknowledges that the disclosing Party would not have an adequate remedy at law for the breach by the receiving Party of any one or more of the covenants contained in this Section 4.1 and agrees that, in the event of such breach, the disclosing Party may, in addition to the other remedies that may be available to it, apply to a court for an injunction to prevent breaches of this Section 4.1 and to enforce specifically the terms and provisions of this Section 4.1. Notwithstanding any other Section hereof, to the extent permitted by applicable law, the provisions of this Section 4.1 shall survive the termination of this Agreement.

4.2Choice of Law; Arbitration; Submission to Jurisdiction.

(a)This Agreement shall be subject to and governed by the laws of the State of Texas, excluding any conflicts-of-law rule or principle that might refer the construction or interpretation of this Agreement to the laws of another state.

(b)The Parties agree that any dispute, controversy, or claim arising out of or relating to this Agreement shall be settled by submission to binding arbitration in Houston, Texas, such arbitration to be conducted as follows: If the Parties cannot resolve any such dispute, controversy, or claim, then no earlier than 10 days following written notice to the other Parties, any Party may initiate binding arbitration by giving a notice of intent to arbitrate to the other Parties to such dispute, controversy, or claim. SPLC, on behalf of the affected SPLC Entities, and the General Partner, on behalf of the affected Group Members, will each select a single arbitrator within 15 days of the delivery of the notice of intent to arbitrate by any Party. The arbitrators must be attorneys familiar by training and experience with midstream operations, master limited partnerships and Texas law or otherwise specialized or skilled so as to be fit for the nature of the dispute. The two selected arbitrators shall select a third arbitrator who will serve as the chairman. In addition, the arbitrators must be impartial and independent of the parties to such dispute, controversy, or claim. If a Party is unable or unwilling to select an arbitrator within 15 days of the notice of intent to arbitrate, then the single selected arbitrator shall select the third arbitrator and those two arbitrators shall select the other Party’s arbitrator. The arbitration proceeding shall be governed by Texas law and shall be informal and expeditious and conducted in such manner as to result in a good faith resolution as soon as reasonably possible under the circumstances. A hearing, if one is desired by the arbitrators, shall be held in Houston, Texas, no later than 15 days after selection of all of the arbitrators. The arbitrators shall set the schedule and requirements for any further proceedings and move the arbitration to completion as soon as reasonably practicable. It is the intent of the Parties, subject to any agreement or ruling to the contrary, that they may present such evidence and witnesses as they may choose, with or without counsel. Adherence to formal rules of evidence shall not be required, but the arbitrators shall consider any evidence and testimony that they determine to be relevant, in accordance with procedures that they determine to be appropriate. Any award entered in the arbitration shall be made by a written opinion stating the reasons and basis for the award made and any payment due pursuant to the arbitration shall be made within 15 days of the arbitrators’ decision. The final decision of the arbitrators shall be binding on the Parties. Each Party shall bear its own costs and expenses of the arbitration; provided, however, that the costs of employing arbitrators shall be borne equally by each side.

(c) Any Party may bring any action or proceeding to enforce the final decision of the arbitrators exclusively in any federal or state courts located in Texas and each Party (i) irrevocably submits to the exclusive jurisdiction of such courts, (ii) waives any objection to laying venue in any such action or proceeding in such courts, (iii) waives any objection that such courts are an inconvenient forum or do not have jurisdiction over it and (iv) agrees that, to the fullest extent permitted by law, service of process upon it may be effected by mailing a copy thereof by registered or certified mail (or any substantially similar form of mail), postage prepaid, to it at its

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address specified in Section 4.3. The foregoing consents to jurisdiction and service of process shall not constitute general consents to service of process in the State of Texas for any purpose except as provided herein and shall not be deemed to confer rights on any Person other than the Parties.

4.3Notice. All notices, requests, demands, and other communications hereunder will be in writing and will be deemed to have been duly given: (a) if by transmission by facsimile or hand delivery, when delivered; (b) if mailed via the official governmental mail system, five business days after mailing, provided said notice is sent first class, postage pre-paid, via certified or registered mail, with a return receipt requested; (c) if mailed by an internationally-recognized overnight express mail service such as FedEx, UPS, or DHL Worldwide, one Business Day after deposit therewith is prepaid; or (d) if by e-mail, one business day after delivery with receipt is confirmed. All notices will be addressed to the Parties at the respective addresses as follows.

If to SPLC:

Shell Pipeline Company LP

150 N. Dairy Ashford Road

Houston, Texas 77079

Attn: Assistant General Counsel–Downstream Americas

Facsimile:(832) 337-2034

If to any Group Member:

Shell Midstream Partners, L.P.

c/o Shell Midstream Partners GP LLC, its general partner

150 N. Dairy Ashford Road

Houston, Texas 77079

Attn: General Counsel

Facsimile: (832) 337-2034

4.4Entire Agreement. This Agreement constitutes the entire agreement of the Parties relating to the matters contained herein, superseding all prior contracts or agreements, whether oral or written, relating to the matters contained herein.

4.5Termination of Agreement. This Agreement, other than the provisions set forth in Article 2 and Article 4 hereof, may be terminated (a) by the written agreement of all of the Parties or (b) by the General Partner or the Partnership immediately upon a Partnership Change of Control by written notice given to the other Parties to this Agreement. For the avoidance of doubt, the Parties’ indemnification obligations arising prior to the termination of this Agreement under Article 2 shall, to the fullest extent permitted by law, survive such termination in accordance with their respective terms.

4.6Amendment or Modification. This Agreement may be amended or modified from time to time only by the written agreement of all the Parties. Each such instrument shall be reduced to writing and shall be designated on its face an “Amendment” or an “Addendum” to this Agreement.

4.7Assignment. No Party shall have the right to assign its rights or obligations under this Agreement without the consent of the other Parties.

4.8Counterparts. This Agreement may be executed in any number of counterparts with the same effect as if all signatory parties had signed the same document and shall be construed together and shall constitute one and the same instrument. Delivery of an executed signature page of this Agreement by facsimile transmission or in portable document format (.pdf) shall be effective as delivery of a manually executed counterpart hereof.

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4.9Severability. If any provision of this Agreement shall be held invalid or unenforceable by a court or regulatory body of competent jurisdiction, the remainder of this Agreement shall remain in full force and effect.

4.10Further Assurances. In connection with this Agreement and all transactions contemplated by this Agreement, each signatory party hereto agrees to execute and deliver such additional documents and instruments and to perform such additional acts as may be necessary or appropriate to effectuate, carry out and perform all of the terms, provisions and conditions of this Agreement and all such transactions.

4.11Rights of Limited Partners. The provisions of this Agreement are enforceable solely by the Parties to this Agreement, and no Limited Partner or other interest holder of the Partnership shall have the right, separate and apart from the Partnership, to enforce any provision of this Agreement or to compel any Party to this Agreement to comply with the terms of this Agreement.

[Remainder of page intentionally left blank.]

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IN WITNESS WHEREOF, the Parties have executed this Agreement on, and effective as of, the Effective Date.

SHELL PIPELINE COMPANY LP

By: Shell Pipeline GP LLC, its general partner

By:/s/ Steven C. Ledbetter

Name: Steven C. Ledbetter

Title: Vice President

SHELL MIDSTREAM PARTNERS, L.P.

By: Shell Midstream Partners GP LLC, its general partner

By: /s/ Kevin M. Nichols

Name: Kevin M. Nichols

Title: Chief Executive Officer and President

SHELL MIDSTREAM PARTNERS GP LLC

By: /s/ Kevin M. Nichols

Name: Kevin M. Nichols

Title: Chief Executive Officer and President

SHELL MIDSTREAM OPERATING LLC

By: /s/ Kevin M. Nichols

Name: Kevin M. Nichols

Title: Chief Executive Officer and President

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Schedule A

General and Administrative Services

a.Executive services;

b.Financial and administrative services (including treasury and accounting);

c.Information technology services;

d.Legal services;

e.Corporate health, safety and environmental services;

f.Human resources services;

g.Procurement services;

h.Corporate engineering services;

i.Corporate business development services (such as portfolio services);

j.Investor relations and public affairs;

k.Tax matters;

l.Public company reporting matters; and

m.Corporate insurance administration.

Schedule A– Page 1