Exhibit 4.1

Execution Version





CONTRIBUTION AND SALE AGREEMENT

Dated as of April 15, 2013







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TABLE OF CONTENTS



|                                                   |  |                                                                                        |  |  |    | 
|-------------------------------------------------- |  | -------------------------------------------------------------------------------------- |  |  | -- | 
|ARTICLE I                                          | 
|                                                  
|DEFINITIONS                                        | 
|                                                   |  |                                                                                       
|Section 1.1                                        |  | Definitions                                                                            |  |  | 3  | 
|                                                  
|ARTICLE II                                         | 
|                                                  
|THE CONTRIBUTIONS                                  | 
|                                                   |  |                                                                                       
|Section 2.1                                        |  | Contribution of KNOT Shuttle Tankers to the General Partner; Issuance of Units to KNOT |  |  | 6  | 
|Section 2.2                                        |  | Contribution of KNOT Shuttle Tankers to the Partnership                                |  |  | 6  | 
|Section 2.3                                        |  | Contribution of KNOT Shuttle Tankers to KNOT UK; Issuance of Units to the Partnership  |  |  | 6  | 
|Section 2.4                                        |  | Retained Right to Insurance Proceeds                                                   |  |  | 6  | 
|                                                  
|ARTICLE III                                        | 
|                                                  
|THE OFFERING AND CONCURRENT TRANSACTIONS           | 
|                                                   |  |                                                                                       
|Section 3.1                                        |  | The Offering                                                                           |  |  | 7  | 
|Section 3.2                                        |  | Use of the IPO Proceeds                                                                |  |  | 7  | 
|                                                  
|ARTICLE IV                                         | 
|                                                  
|DEFERRED ISSUANCE AND DISTRIBUTION                 | 
|                                                   |  |                                                                                       
|Section 4.1                                        |  | Deferred Issuance and Distribution                                                     |  |  | 7  | 
|                                                  
|ARTICLE V                                          | 
|                                                  
|REPRESENTATIONS AND WARRANTIES OF KNOT; DISCLAIMER | 
|                                                   |  |                                                                                       
|Section 5.1                                        |  | Representations and Warranties                                                         |  |  | 8  | 
|Section 5.2                                        |  | Disclaimer of Warranties                                                               |  |  | 10 | 
|                                                  
|ARTICLE VI                                         | 
|                                                  
|FURTHER ASSURANCES                                 | 
|                                                   |  |                                                                                       
|Section 6.1                                        |  | Further Assurances                                                                     |  |  | 11 | 
|Section 6.2                                        |  | Power of Attorney                                                                      |  |  | 11 | 
|                                                  
|ARTICLE VII                                        | 
|                                                  
|MISCELLANEOUS                                      | 
|                                                   |  |                                                                                       
|Section 7.1                                        |  | Survival of Representations and Warranties                                             |  |  | 11 | 
|Section 7.2                                        |  | Taxes                                                                                  |  |  | 12 | 
|Section 7.3                                        |  | Headings; References, Interpretation                                                   |  |  | 12 | 
|Section 7.4                                        |  | Successors and Assigns                                                                 |  |  | 12 | 



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|             |  |                                |  |  |    | 
|------------ |  | ------------------------------ |  |  | -- | 
|Section 7.5  |  | No Third Party Rights          |  |  | 12 | 
|Section 7.6  |  | Counterparts                   |  |  | 12 | 
|Section 7.7  |  | Governing Law                  |  |  | 12 | 
|Section 7.8  |  | Severability                   |  |  | 13 | 
|Section 7.9  |  | Deed; Bill of Sale; Assignment |  |  | 13 | 
|Section 7.10 |  | Amendment or Modification      |  |  | 13 | 
|Section 7.11 |  | Integration                    |  |  | 13 | 



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CONTRIBUTION AND SALE AGREEMENT

This CONTRIBUTION AND SALE AGREEMENT (this Agreement), dated as of April 15, 2013 is made by and
among Knutsen NYK Offshore Tankers AS, a Norwegian private limited liability company (KNOT), KNOT Offshore Partners LP, a Marshall Islands limited partnership (the Partnership), KNOT
Offshore Partners GP LLC, a Marshall Islands limited liability company and the general partner of the Partnership (the General Partner), KNOT Offshore Partners UK LLC, a Marshall Islands limited liability company
(KNOT UK), and KNOT Shuttle Tankers AS, a Norwegian private limited liability company (KNOT Shuttle Tankers). The above-named entities
are sometimes referred to in this Agreement each as a Partyand collectively as the Parties.

RECITALS

WHEREAS, the Partnership was formed pursuant to the Limited Partnership Act of The Republic of the Marshall
Islands (the Marshall Islands LP Act) for the purposes set forth in the Agreement of Limited Partnership of the Partnership, dated as of February 21, 2013 (the Original
LP Agreement);

WHEREAS, the Partnership formed KNOT UK pursuant to the Marshall Islands
Limited Liability Company Act of 1996 for the purposes set forth in the Limited Liability Agreement;

WHEREAS, KNOT formed
KNOT Shuttle Tankers pursuant to the laws of Norway for the purposes set forth in its operating agreement;

WHEREAS, prior
to the date of this Agreement, KNOT or its wholly-owned subsidiaries transferred to KNOT Shuttle Tankers all of the limited liability company interests in each of the Vessel Owning Subsidiaries (as defined below);

WHEREAS, as of the date hereof and prior to the Effective Time:



| | 1. | The General Partner is a wholly-owned subsidiary of KNOT.
| | -- | ---------------------------------------------------------



| | 2. | KNOT owns a 98% limited partner interest in the Partnership and the General Partner owns a 2% general partner interest in the Partnership.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------



| | 3. | KNOT UK is a wholly-owned subsidiary of the Partnership.
| | -- | --------------------------------------------------------



| | 4. | KNOT Shuttle Tankers is a wholly-owned subsidiary of KNOT.
| | -- | ----------------------------------------------------------



| | 5. | KNOT Shuttle Tankers owns all of the outstanding limited liability company interests in KNOT Shuttle Tankers 17 AS, a Norwegian private limited liability company (KNOT 17), and the
owner of the M/T Bodil Knutsen.
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 6. | KNOT Shuttle Tankers owns all of the outstanding limited liability company interests in KNOT Shuttle Tankers 18 AS, a Norwegian private limited liability company (KNOT 18), and the
owner of the M/T Windsor Knutsen.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| | 7. | KNOT Shuttle Tankers owns all of the outstanding limited liability company interests in KNOT Shuttle Tankers 12 AS, a Norwegian private limited liability company (KNOT 12), and
Knutsen Shuttle Tankers XII AS, a Norwegian private limited liability company (Knutsen XII).
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 8. | KNOT 12 owns the 90% limited partner interest in Knutsen Shuttle Tankers XII KS, a Norwegian limited partnership (Knutsen XII LP).
| | -- | ------------------------------------------------------------------------------------------------------------------------------------



| | 9. | Knutsen XII owns the 10% general partner interest in Knutsen XII LP.
| | -- | --------------------------------------------------------------------



| | 10. | Knutsen XII LP owns the M/T Fortaleza Knutsen and the M/T Recife Knutsen.
| | --- | -------------------------------------------------------------------------

WHEREAS, pursuant to this Agreement, each of the following will occur as of the Effective Time:



| | 1. | KNOT will contribute a portion of the limited liability company interest in KNOT Shuttle Tankers to the General Partner in exchange for 100 units of the General Partner.
| | -- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 2. | The General Partner will contribute its limited liability company interest in KNOT Shuttle Tankers to the Partnership in exchange for a continuation of its 2% general partner interest in the Partnership.
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 3. | KNOT will contribute a portion of the limited liability company interest in KNOT Shuttle Tankers to the Partnership in exchange for 8,657,500 Subordinated Units, the Incentive Distribution Rights and the right to
receive the Deferred Issuance and Distribution (as defined herein).
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 4. | The Partnership will contribute 100% of its limited liability company interest in KNOT Shuttle Tankers to KNOT UK in exchange for 100 units of KNOT UK.
| | -- | -------------------------------------------------------------------------------------------------------------------------------------------------------



| | 5. | The Partnership will issue 7,450,000 Common Units to the public in an underwritten initial public offering (the Offering) in exchange for $156,450,000 (the
IPO Proceeds).
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 6. | The Partnership will use a portion of the IPO Proceeds to pay (a) underwriting discounts and commissions and structuring fees of $10,560,375 and (b) other transaction expenses incurred in connection with
the Offering of approximately $7,500,000.
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 7. | The Partnership will loan $39,400,000 of the IPO Proceeds to KNOT 17 in exchange for an intercompany payment obligation.
| | -- | ------------------------------------------------------------------------------------------------------------------------



| | 8. | The Partnership will loan $13,400,000 of the IPO Proceeds to KNOT 18 in exchange for an intercompany payment obligation.
| | -- | ------------------------------------------------------------------------------------------------------------------------



| | 9. | The Partnership will loan $14,700,000 of the IPO Proceeds to Knutsen XII LP in exchange for an intercompany payment obligation.
| | -- | -------------------------------------------------------------------------------------------------------------------------------



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| | 10. | The Partnership will contribute $14,700,000 of the IPO Proceeds to KNOT UK, to be further contributed to KNOT Shuttle Tankers and KNOT 17, to repay a portion of its debt obligations related to the M/T
Bodil Knutsen.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 11. | The Partnership will contribute $11,000,000 of the IPO Proceeds to KNOT UK, to be further contributed to KNOT Shuttle Tankers and KNOT 18, to repay a portion of its debt obligations related to the M/T
Windsor Knutsen.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | 12. | The Partnership will contribute $33,700,000 of the IPO Proceeds to KNOT UK, to be further contributed to KNOT Shuttle Tankers and KNOT 12 and Knutsen XII, pro rata, to be further contributed to
Knutsen XII LP, to repay a portion of the debt obligations related to the M/T Fortaleza Knutsen and M/T Recife Knutsen.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

AGREEMENT

NOW
THEREFORE, in consideration of the foregoing and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, and intending to be legally bound hereby, the Parties hereby agree as follows:

ARTICLE I

DEFINITIONS

Section 1.1 Definitions. The following defined terms will have the meanings given below:

Agreement means this Contribution and Sale Agreement.

Attorney-in-Fact has
the meaning set forth in Section 6.2.

Charter means the time charter party or the
bareboat charter related to the applicable Vessel.

Commission means the Securities and Exchange
Commission.

Common Unit means a common unit representing a limited partner interest in the
Partnership having the rights set forth in the Partnership Agreement.

Conveying Party or
Conveying Parties has the meaning set forth in Section 6.2.

Deferred
Issuance and Distribution has the meaning set forth in the Partnership Agreement.

Effective
Time means 7:45 a.m. prevailing Eastern Time on April 15, 2013.



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Firm Units means the Common Units to be sold to the
Underwriters pursuant to the terms of the Underwriting Agreement, but does not include any Option Units.

General Partner has the meaning set forth in the opening paragraph of this Agreement.

IDRs means the incentive distribution rights of the Partnership having the rights set forth in the
Partnership Agreement.

Interests means all of the outstanding limited liability company
interests in KNOT Shuttle Tankers.

IPO Proceeds has the meaning set forth in the Recitals
of this Agreement.

KNOT has the meaning set forth in the opening paragraph of this Agreement.

KNOT 12 has the meaning set forth in the Recitals of this Agreement.

KNOT 17 has the meaning set forth in the Recitals of this Agreement.

KNOT 18 has the meaning set forth in the Recitals of this Agreement.

Knutsen XII has the meaning set forth in the Recitals of this Agreement.

Knutsen XII LP has the meaning set forth in the Recitals of this Agreement.

KNOT Shuttle Tankers has the meaning set forth in the opening paragraph of this Agreement.

KNOT UK has the meaning set forth in the opening paragraph of this Agreement.

Laws has the meaning set forth in Section 5.1(c).

Marshall Islands LP Act has the meaning set forth in the Recitals of this Agreement.

Offering has the meaning set forth in the Recitals of this Agreement.



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Option Units means the Common Units that the
Partnership will agree to issue upon exercise of the Over-Allotment Option.

Original LP Agreement has the meaning set forth in the Recitals of this Agreement.

Over-Allotment Option means a number of Common Units equal to
15% of the Firm Units, which the Partnership will agree to sell to the Underwriters, at their option, to cover over-allotments in connection with the Offering.

Partnership has the meaning set forth in the opening paragraph of this Agreement.

Partnership Agreement means the First Amended and Restated Agreement of Limited Partnership of the
Partnership, to be dated as of April 15, 2013.

Party or Parties
has the meaning set forth in the opening paragraph of this Agreement.

Registration Statement
means the Registration Statement on Form F-1 filed with the Commission (Registration No. 333-186947), as amended.

Subordinated Unit means a subordinated unit representing a member interest in the Partnership having
the rights set forth in the Partnership Agreement.

Transferred Subsidiaries means collectively
KNOT Shuttle Tankers and the Vessel Owning Subsidiaries.

Underwriters means the underwriting
syndicate listed in the Underwriting Agreement.

Underwriting Agreement means the underwriting
agreement dated as of April 9, 2013 among KNOT, the General Partner, the Partnership, KNOT UK, Knot Shuttle Tankers and the Underwriters.

Vessels has the meaning set forth in Section 5.1(d)

Vessel Financing Agreements means the (a) $160 million senior secured loan facility,
(b) $19 million junior secured loan facility, (c) $120 million senior secured loan facility, (d) $85 million senior secured loan facility, and (e) $27.3 million junior secured loan facility.

Vessel Owning Subsidiaries means collectively KNOT 17, KNOT 18, KNOT 12,
Knutsen XII and Knutsen XII LP.



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Capitalized terms used but not otherwise defined herein shall have the meanings assigned to such
terms in the Partnership Agreement.

ARTICLE II

THE CONTRIBUTIONS

As of
the Effective Time, the following transactions shall be completed in the order set forth below:

Section 2.1 Contribution of KNOT
Shuttle Tankers to the General Partner; Issuance of Units to KNOT. KNOT hereby contributes, assigns and transfers as a capital contribution a portion of the limited liability company interest in KNOT Shuttle Tankers to the General Partner. In
consideration for the capital contribution by KNOT to the General Partner described in the preceding sentence, the General Partner will issue 100 of its units to KNOT.

Section 2.2 Contribution of KNOT Shuttle Tankers to the Partnership. KNOT hereby contributes, assigns and transfers as a capital
contribution the remaining portion of the limited liability company interest in KNOT Shuttle Tankers to the Partnership. The General Partner contributes, assigns and transfers as a capital contribution its portion of the limited liability company
interest in KNOT Shuttle Tankers to the Partnership. Immediately following the forgoing contributions, assignments and transfers, the Partnership will own 100% of the limited liability company interests in KNOT Shuttle Tankers. In consideration for
the capital contributions to the Partnership, (a) the Partnership will issue to KNOT 8,567,500 Subordinated Units, the Incentive Distribution Rights and the right to receive the Deferred Issuance and Distribution and (b) the General
Partner will maintain its 2% general partner interest in the Partnership.

Section 2.3 Contribution of KNOT Shuttle Tankers to
KNOT UK; Issuance of Units to the Partnership. The Partnership hereby contributes, assigns and transfers as a capital contribution 100% of the limited liability company interest in KNOT Shuttle Tankers to KNOT UK. In consideration for
the capital contribution by the Partnership to KNOT UK described in the preceding sentence, KNOT UK will issue 100 of its units to the Partnership.

Section 2.4 Retained Right to Insurance Proceeds. Notwithstanding the foregoing contributions, the Parties hereby agree that any
insurance proceeds received by the Partnership after the Effective Time shall belong to KNOT and be promptly distributed to KNOT to the extent that such insurance proceeds (a) related to damage or periods of
off-hire incurred by the Vessels prior to the Effective Time and (b) exceeded any costs incurred by the Partnership or any of its subsidiaries to repair any such damage to the Vessels.



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ARTICLE III

THE OFFERING AND CONCURRENT TRANSACTIONS

After the consummation of the transactions as described in ARTICLE II, the following transactions shall be completed in the order
set forth below:

Section 3.1 The Offering. The Partnership will issue 7,450,000 Common Units to the public in the Offering
pursuant to the Underwriting Agreement in exchange for the IPO Proceeds.

Section 3.2 Use of the IPO Proceeds.

(a) The Partnership will use a portion of the IPO Proceeds to pay (i) underwriting discounts and commissions and structuring fees of
$10,560,375 and (ii) other transaction expenses incurred in connection with the Offering of approximately $7,500,000;

(b) The
Partnership will loan $39,400,000 of the IPO Proceeds to KNOT 17 in exchange for an intercompany payment obligation;

(c) The
Partnership will loan $13,400,000 of the IPO Proceeds to KNOT 18 in exchange for an intercompany payment obligation;

(d) The
Partnership will loan $14,700,000 of the IPO Proceeds to Knutsen XII LP in exchange for an intercompany payment obligation;

(e)
The Partnership will contribute $14,700,0000 of the IPO Proceeds to KNOT UK, to be further contributed to KNOT Shuttle Tankers and KNOT 17, to repay a portion of its debt obligations related to the M/T Bodil Knutsen;

(f) The Partnership will contribute $11,000,000 of the IPO Proceeds to KNOT UK, to be further contributed to KNOT Shuttle Tankers
and KNOT 18, to repay a portion of its debt obligations related to the M/T Windsor Knutsen; and

(g) The Partnership will
contribute $33,700,000 of the IPO Proceeds to KNOT UK, to be further contributed to KNOT Shuttle Tankers and KNOT 12 and Knutsen XII, pro rata, to be further contributed to Knutsen XII LP, to repay a portion of the debt
obligations related to the M/T Fortaleza Knutsen and M/T Recife Knutsen.

ARTICLE IV

DEFERRED ISSUANCE AND DISTRIBUTION

Section 4.1 Deferred Issuance and Distribution. Upon the earlier to occur of the expiration of the Over-Allotment Option period or
the exercise in full of the Over-Allotment Option, the Partnership shall issue to KNOT a number of additional Common Units that is equal to the excess, if any, of (a) the total number of Option Units over (b) the aggregate number of Common
Units, if any, actually purchased by and issued to the Underwriters pursuant to the



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exercise(s) of the Over-Allotment Option. Upon each exercise of the Over-Allotment Option, the Partnership shall distribute to KNOT an amount of cash equal to the proceeds therefrom net of the
Underwriters Discount of each such exercise.

ARTICLE V

REPRESENTATIONS AND WARRANTIES OF KNOT; DISCLAIMER

Section 5.1 Representations and Warranties. KNOT hereby represents and warrants that:

(a) Each of the Transferred Subsidiaries has been duly formed or incorporated and is validly existing and in good standing under the laws of
its respective jurisdiction of formation or incorporation and has all requisite power and authority to operate its assets and conduct its business as described in the Registration Statement;

(b) The execution and delivery of this Agreement and all documents, instruments and agreements required to be executed and delivered by it
pursuant to this Agreement in connection with the completion of the transactions contemplated by this Agreement, have been duly authorized by all necessary action on its part, and this Agreement has been duly executed and delivered by it and
constitutes a legal, valid and binding obligation of it enforceable in accordance with its terms, except as may be limited by bankruptcy, insolvency, liquidation, reorganization, reconstruction and other similar laws of general application affecting
the enforceability of remedies and rights of creditors and except that equitable remedies such as specific performance and injunction are in the discretion of a court;

(c) The execution, delivery and performance by it of this Agreement will not conflict with or result in any violation of or constitute a
breach of any of the terms or provisions of, or result in the acceleration of any obligation under, or constitute a default under any provision of: (i) its or any Transferred Subsidiarys articles of association, articles of incorporation
or bylaws or limited liability company agreement or other organizational documents; (ii) any lien, encumbrance, security interest, pledge, mortgage, charge, other claim, bond, indenture, agreement, contract, franchise license, permit or other
instrument or obligation to which it or any Transferred Subsidiary is a party or is subject or by which any of its or any Transferred Subsidiarys assets or properties may be bound; (iii) any applicable laws, statutes, ordinances, rules or
regulations promulgated by a governmental authority, orders of a governmental authority, judicial decisions, decisions of arbitrators or determinations of any governmental authority or court (Laws); or (iv) any Charter
to which any Transferred Subsidiary is a party or any material provision of any material contract to which it or any Transferred Subsidiary is a party or by which its or any Transferred Subsidiarys assets are bound;

(d) Except as have already been obtained or that will be obtained in the ordinary course of business, no consent, permit, approval or
authorization of, notice or declaration to or filing with any governmental authority or any other person, including those related to any environmental laws or regulations, is required in connection with the execution and delivery by it of this
Agreement or the consummation by it of the transactions contemplated



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hereunder, and any consents required for the transfer or assignment of the Charter related to the M/T Bodil Knutsen, the M/T Windsor Knutsen, the M/T Fortaleza
Knutsen and the M/T Recife Knutsen (the Vessels) have been duly obtained;

(e) All of the issued
and outstanding equity interests of each Transferred Subsidiary are duly authorized and are validly issued in accordance with the articles of association, articles of incorporation or bylaws or limited liability company agreement or other
organizational documents of such Transferred Subsidiary and are fully paid and non-assessable;

(f) KNOT owns, directly or indirectly, all of the outstanding equity interests of each Transferred Subsidiary and has good and marketable
title thereto, free and clear of all liens, encumbrances, security interests, pledges, mortgages, charges or other claims, other than those (i) that will be discharged or released in connection with the closing of the Offering and
(ii) arising under the Vessel Financing Agreements;

(g) There is no outstanding agreement, contract, option, commitment or other
right or understanding in favor of, or held by, any person other than the Partnership to acquire the Transferred Subsidiaries or the assets of the Transferred Subsidiaries, including the Vessels, that has not been waived;

(h) Correct and complete copies of the organizational documents of each Transferred Subsidiary (as amended to the date of this Agreement) and
each Charter to which any Transferred Subsidiary is a party have been made available to the Partnership;

(i) Each such Charter is a valid
and binding agreement of each contracting Transferred Subsidiary enforceable in accordance with its terms and, to the knowledge of KNOT, of all other parties thereto enforceable in accordance with its terms;

(j) As applicable, each Transferred Subsidiary has fulfilled all material obligations required pursuant to its respective Charter to have been
performed by it prior to the date of this Agreement and has not waived any material rights thereunder; and no material default or breach exists in respect thereof on its or any Transferred Subsidiarys part or, to its knowledge, any of the
other parties thereto and, to its knowledge, no event has occurred which, after giving of notice or the lapse of time, or both, would constitute such a material default or breach;

(k) Except for such liabilities, debts obligations, encumbrances, defects, restrictions or claims of a general nature and magnitude that would
arise in connection with the operation of shuttle tankers of the same type as the Vessels in the ordinary course of business, there are no liabilities, debts or obligations of, encumbrances, defects or restrictions with respect to, or claims against
the Transferred Subsidiaries or any of the assets owned by the Transferred Subsidiaries, including the Vessels, other than those arising under or in connection with Vessel Financing Agreements; and

(l) Each Vessel is (i) adequate and suitable for use by the applicable Transferred Subsidiary in such Transferred Subsidiarys
business as presently conducted by it in all material respects as described in the Registration Statement, ordinary wear and tear excepted; (ii) in good running order and repair; (iii) insured against all risks, and in amounts, consistent



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with common industry practices; (iv) in compliance with applicable laws and regulations; (v) duly registered under the flag set forth opposite such Vessels name on
Schedule A hereto; and (vi) in compliance in all material respects with the requirements of its present class and classification society; and all class certificates of each Vessel are clean and valid and free of recommendations
affecting class.

Section 5.2 Disclaimer of Warranties. EXCEPT TO THE EXTENT PROVIDED IN THIS AGREEMENT OR IN ANY OTHER
DOCUMENT EXECUTED OR DELIVERED IN CONNECTION WITH THIS AGREEMENT, THE PARTIES ACKNOWLEDGE AND AGREE THAT NONE OF THE PARTIES HAS MADE, DOES NOT MAKE, AND EACH SUCH PARTY SPECIFICALLY NEGATES AND DISCLAIMS, ANY REPRESENTATIONS, WARRANTIES, PROMISES,
COVENANTS, AGREEMENTS OR GUARANTIES OF ANY KIND OR CHARACTER WHATSOEVER, WHETHER EXPRESS, IMPLIED OR STATUTORY, ORAL OR WRITTEN, PAST OR PRESENT, REGARDING (A) THE VALUE, NATURE, QUALITY OR CONDITION OF THE ASSETS OWNED BY THE TRANSFERRED
SUBSIDIARIES, INCLUDING, WITHOUT LIMITATION, THE ENVIRONMENTAL CONDITION OF THE ASSETS GENERALLY, INCLUDING, WITHOUT LIMITATION, THE PRESENCE OR LACK OF HAZARDOUS SUBSTANCES OR OTHER MATTERS ON SUCH ASSETS, (B) THE INCOME TO BE DERIVED FROM
SUCH ASSETS, (C) THE SUITABILITY OF SUCH ASSETS FOR ANY AND ALL ACTIVITIES AND USES THAT MAY BE CONDUCTED THEREON OR THEREWITH, (D) THE COMPLIANCE OF OR BY SUCH ASSETS OR THEIR OPERATION WITH ANY LAWS (INCLUDING WITHOUT LIMITATION ANY
ZONING, ENVIRONMENTAL PROTECTION, POLLUTION OR LAND USE LAWS, RULES, REGULATIONS, ORDERS OR REQUIREMENTS), OR (E) THE HABITABILITY, MERCHANTABILITY, MARKETABILITY, PROFITABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF SUCH ASSETS. EXCEPT TO THE
EXTENT PROVIDED IN ANY OTHER DOCUMENT EXECUTED OR DELIVERED IN CONNECTION WITH THIS AGREEMENT, EACH PARTY ACKNOWLEDGES AND AGREES THAT SUCH PARTY HAS HAD THE OPPORTUNITY TO INSPECT THE ASSETS OF THE TRANSFERRED SUBSIDIARIES, AND SUCH PARTY IS
RELYING SOLELY ON ITS OWN INVESTIGATION OF THE ASSETS OF THE TRANSFERRED SUBSIDIARIES AND NOT ON ANY INFORMATION PROVIDED OR TO BE PROVIDED BY ANY OF THE OTHER PARTIES. EXCEPT TO THE EXTENT PROVIDED IN ANY OTHER DOCUMENT EXECUTED OR DELIVERED IN
CONNECTION WITH THIS AGREEMENT, NONE OF THE PARTIES IS LIABLE OR BOUND IN ANY MANNER BY ANY VERBAL OR WRITTEN STATEMENTS, REPRESENTATIONS OR INFORMATION PERTAINING TO THE ASSETS OF THE TRANSFERRED SUBSIDIARIES FURNISHED BY ANY AGENT, EMPLOYEE,
SERVANT OR THIRD PARTY. THIS SECTION SHALL SURVIVE THE CONTRIBUTION AND CONVEYANCE OF THE INTERESTS OR THE TERMINATION OF THIS AGREEMENT. THE PROVISIONS OF THIS SECTION HAVE BEEN NEGOTIATED BY THE PARTIES AFTER DUE CONSIDERATION AND ARE INTENDED TO
BE A COMPLETE EXCLUSION AND NEGATION OF ANY REPRESENTATIONS OR WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, WITH RESPECT TO THE ASSETS OF THE TRANSFERRED SUBSIDIARIES THAT MAY ARISE PURSUANT TO ANY LAW NOW OR HEREAFTER IN EFFECT, OR OTHERWISE,
EXCEPT AS SET FORTH IN THIS AGREEMENT OR ANY OTHER DOCUMENT EXECUTED OR DELIVERED IN CONNECTION WITH THIS AGREEMENT.



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ARTICLE VI

FURTHER ASSURANCES

Section 6.1 Further Assurances. From time to time after the date of this Agreement, and without any further consideration, the
Parties agree to execute, acknowledge and deliver all such additional deeds, assignments, bills of sale, conveyances, instruments, notices, releases, acquittances and other documents, and will do all such other acts and things, all in accordance
with applicable Law, as may be necessary or appropriate (a) more fully to assure that the applicable Parties own all of the properties, rights, titles, interests, estates, remedies, powers and privileges granted by this Agreement, or which are
intended to be so granted, (b) more fully and effectively to vest in the applicable Parties and their respective successors and assigns beneficial and record title to the interests contributed and assigned by this Agreement or intended so to be
and (c) to more fully and effectively carry out the purposes and intent of this Agreement.

Section 6.2 Power of
Attorney. Each Party that has conveyed any Interests as reflected by this Agreement (collectively, the Conveying Parties) hereby constitutes and appoints each of Arild Vik, Øystein Emberland and Karl Gerhard
Bråstein Dahl (each, the Attorney-in-Fact) its true and lawful
Attorney-in-Fact with full power of substitution for it and in its name, place and stead or otherwise on behalf of the applicable Conveying Party and its successors and
assigns, and for the benefit of the Attorney-in-Fact to demand and receive from time to time the Interests contributed and conveyed by this Agreement (or intended so to
be) and to execute in the name of the applicable Conveying Party and its successors and assigns instruments of conveyance, instruments of further assurance and to give receipts and releases in respect of the same, and from time to time to institute
and prosecute in the name of the applicable Conveying Party for the benefit of the Attorney-in-Fact, any and all proceedings at law, in equity or otherwise which the
Attorney-in-Fact may deem proper in order to (a) collect, assert or enforce any claims, rights or titles of any kind in and to the Interests, (b) defend and compromise any and all actions, suits or proceedings in respect of any of the
Interests, and (c) do any and all such acts and things in furtherance of this Agreement as the Attorney-in-Fact shall deem advisable. Each Conveying Party hereby
declares that the appointment hereby made and the powers hereby granted are coupled with an interest and are and shall be irrevocable and perpetual and shall not be terminated by any act of any Conveying Party or its successors or assigns or by
operation of law.

ARTICLE VII

MISCELLANEOUS

Section 7.1 Survival of Representations and Warranties. The representations and warranties of KNOT in this Agreement and in or
under any documents, instruments and agreements delivered pursuant to this Agreement, will survive the completion of the transactions contemplated hereby regardless of any independent investigations that the Partnership may make or cause to be made,
or knowledge it may have, prior to the date of this Agreement and will



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continue in full force and effect for a period of one year from the date of this Agreement. At the end of such period, such representations and warranties will terminate, and no claim may be
brought by the Partnership against KNOT thereafter in respect of such representations and warranties, except for claims that have been asserted by the Partnership prior to the date of this Agreement.

Section 7.2 Taxes. The Partnership shall pay any and all sales, use and similar taxes arising out of the contributions,
conveyances and deliveries to be made hereunder, and shall pay all documentary, filing, recording, transfer, deed, and conveyance taxes and fees required in connection therewith.

Section 7.3 Headings; References, Interpretation. All Article and Section headings in this Agreement are for convenience only and
shall not be deemed to control or affect the meaning or construction of any of the provisions hereof. The words hereof, herein and hereunder and words of similar import, when used in this Agreement, shall refer to
this Agreement as a whole, including, without limitation, all Schedules attached hereto, and not to any particular provision of this Agreement. All references herein to Articles, Sections and Schedules shall, unless the context requires a different
construction, be deemed to be references to the Articles and Sections of this Agreement and the Schedules attached hereto, and all such Schedules attached hereto are hereby incorporated herein and made a part hereof for all purposes. All personal
pronouns used in this Agreement, whether used in the masculine, feminine or neuter gender, shall include all other genders, and the singular shall include the plural and vice versa. The use herein of the word including following any
general statement, term or matter shall not be construed to limit such statement, term or matter to the specific items or matters set forth immediately following such word or to similar items or matters, whether or not
non-limiting language (such as without limitation, but not limited to or words of similar import) is used with reference thereto, but rather shall be deemed to refer to all other items
or matters that could reasonably fall within the broadest possible scope of such general statement, term or matter.

Section 7.4
Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the Parties and their respective successors and assigns.

Section 7.5 No Third Party Rights. The provisions of this Agreement are intended to bind the Parties as to each other and are not
intended to and do not create rights in any other person or confer upon any other person any benefits, rights or remedies, and no person is or is intended to be a third party beneficiary of any of the provisions of this Agreement.

Section 7.6 Counterparts. This Agreement may be executed in any number of counterparts with the same effect as if all signatory
Parties had signed the same document. All counterparts shall be construed together and shall constitute one and the same instrument. The delivery of an executed counterpart copy of this Agreement by facsimile or electronic transmission in PDF format
shall be deemed to be the equivalent of delivery of the originally executed copy thereof.

Section 7.7 Governing Law. This
Agreement shall be governed by, and construed in accordance with, the laws of the state of New York, United States of America, applicable to



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contracts made and to be performed wholly within such jurisdiction without giving effect to conflict of law principles thereof other than
Section 5-1401 of the New York General Obligations Law, except to the extent that it is mandatory that the law of some other jurisdiction, wherein the Interests are located, shall apply.

Section 7.8 Severability. If any of the provisions of this Agreement are held by any court of competent jurisdiction to
contravene, or to be invalid under, the laws of any governmental body having jurisdiction over the subject matter hereof, such contravention or invalidity shall not invalidate the entire Agreement. Instead, this Agreement shall be construed as if it
did not contain the particular provision or provisions held to be invalid and an equitable adjustment shall be made and necessary provision added so as to give effect, as nearly as possible, to the intention of the Parties as expressed in this
Agreement at the time of execution of this Agreement.

Section 7.9 Deed; Bill of Sale; Assignment. To the extent required and
permitted by applicable law, this Agreement shall also constitute a deed, bill of sale or assignment of the interests referenced herein.

Section 7.10 Amendment 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 as an amendment to this Agreement.

Section 7.11 Integration. This Agreement and the instruments referenced herein supersede all previous understandings or agreements
among the Parties, whether oral or written, with respect to the subject matter of this Agreement and such instruments. This Agreement and such instruments contain the entire understanding of the Parties with respect to the subject matter hereof and
thereof. No understanding, representation, promise or agreement, whether oral or written, is intended to be or shall be included in or form part of this Agreement unless it is contained in a written amendment hereto executed by the Parties after the
date of this Agreement.

[THE REMAINDER OF THIS PAGE IS LEFT INTENTIONALLY BLANK]



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IN WITNESS WHEREOF, the parties to this Agreement have caused it to be duly executed as of
the date first above written.



KNUTSEN NYK OFFSHORE TANKERS ASBy:

/s/ TRYGVE SEGLEMName:

Trygve SeglemTitle:

DirectorKNOT OFFSHORE PARTNERS GP LLCBy:

/s/ ANDREW BEVERIDGEName:

Andrew BeveridgeTitle:

DirectorKNOT OFFSHORE PARTNERS LPBy:

/s/ ARILD VIKName:

Arild VikTitle:

Chief Executive Officer and Chief Financial Officer


SIGNATURE PAGE

TO

CONTRIBUTION AND SALE AGREEMENT



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KNOT OFFSHORE PARTNERS UK LLCBy:

/s/ ARILD VIKName:

Arild VikTitle:

Chief Executive Officer and Chief Financial OfficerKNOT SHUTTLE TANKERS ASBy:

/s/ TRYGVE SEGLEMName:

Trygve SeglemTitle:

Chairman of the Board


SIGNATURE PAGE

TO

CONTRIBUTION AND SALE AGREEMENT



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SCHEDULE A

VESSEL OWNING SUBSIDIARIES AND RIGS



|                               |  |                              |  |                       |  |            
|------------------------------ |  | ---------------------------- |  | --------------------- |  | -----------
|Vessel Owning Subsidiary       |  | Jurisdiction of
Registration |  | Rig                   |  | Flag       
|KNOT Shuttle Tankers 17 AS     |  | Norway                       |  | M/T Bodil Knutsen     |  | Isle of Man
|KNOT Shuttle Tankers 18 AS     |  | Norway                       |  | M/T Windsor Knutsen   |  | Norway     
|Knutsen Shuttle Tankers XII KS |  | Norway                       |  | M/T Fortaleza Knutsen |  | The Bahamas
|                               |  |                              |  | M/T Recife Knutsen    |  | The Bahamas

SCHEDULE A

TO

CONTRIBUTION AND SALE AGREEMENT