Document:

EX-10.1

 Exhibit 10.1 

Execution Version 

SUPPORT AGREEMENT 
 by
and among 
 NuStar Energy L.P. 

Marshall Merger Sub LLC 

WLG Holdings, LLC 

William E. Greehey 
 and

 Solely for purposes of Section 2.3, NuStar GP Holdings, LLC 

Dated as of February 7, 2018 
  

 SUPPORT AGREEMENT 

This SUPPORT AGREEMENT, dated as of February 7, 2018 (this “Agreement”), is entered into by and among NuStar
Energy L.P., a Delaware limited partnership (the “Partnership”), Marshall Merger Sub LLC, a Delaware limited liability company and a wholly owned subsidiary of the Partnership (“Merger Sub”), WLG
Holdings, LLC, a Texas limited liability company (“WLG Holdings”), William E. Greehey (“Mr. Greehey” and together with WLG Holdings, the
“Unitholders” and each a “Unitholder”), and, solely for purposes of Section 2.3, NuStar GP Holdings, LLC, a Delaware limited liability company (“NSH”). 

WITNESSETH: 
 WHEREAS,
concurrently with the execution of this Agreement, the Partnership, Riverwalk Logistics, L.P., a Delaware limited partnership and the general partner of the Partnership (the “General Partner”), NuStar GP, LLC, a Delaware
limited liability company and the general partner of the General Partner (“NuStar GP”), Merger Sub, NSH, and Riverwalk Holdings, LLC, a Delaware limited liability company and a wholly owned subsidiary of NSH
(“Riverwalk Holdings”) are entering into an Agreement and Plan of Merger, dated as of the date hereof (as amended, supplemented, restated or otherwise modified from time to time, the “Merger
Agreement”) pursuant to which, among other things, Merger Sub will, subject to the terms and conditions set forth therein, merge with and into NSH, with NSH surviving (the “Merger”), such that following the
Merger, the Partnership will be the sole member of NSH, and each outstanding NSH Unit will be converted into the right to receive the merger consideration specified therein; 

WHEREAS, as of the date hereof, the Unitholders are the Beneficial Owners of an aggregate of 9,178,320 NSH Units (the “Existing
Units”); and 
 WHEREAS, as a material inducement to the Partnership and Merger Sub entering into the Merger Agreement, the
Partnership and Merger Sub have required that the Unitholders agree, and each Unitholder has agreed, to enter into this Agreement and abide by the covenants and obligations with respect to the Subject Units set forth herein. 

NOW THEREFORE, in consideration of the foregoing and the mutual representations, warranties, covenants and agreements herein contained, and
intending to be legally bound hereby, the parties hereto agree as follows: 
 ARTICLE I 

GENERAL 

Section 1.1    Defined Terms. The following capitalized terms, as used in this Agreement, shall have the
meanings set forth below. Capitalized terms used but not otherwise defined herein shall have the meanings ascribed thereto in the Merger Agreement. 

“Affiliate” has the meaning set forth in Rule 405 of the rules and regulations under the Securities Act, unless
otherwise expressly stated herein. For purposes of this Agreement, with respect to the Unitholders, Affiliate shall not include NSH, the Partnership or any Person that is 

 
directly or indirectly, through one or more intermediaries, controlled by NSH or the Partnership. For the avoidance of doubt, no officer or director of NSH, NuStar GP, Riverwalk Holdings, LLC the
General Partner, the Partnership or any of their controlled Affiliates shall be deemed to be an Affiliate of the Unitholders by virtue of his or her status as a director or officer of such entity or any of its controlled Affiliates. 

“Beneficial Ownership” by a Person of any securities includes direct or indirect ownership, whether by contract,
arrangement, understanding, relationship or otherwise that results in the possession of sole or shared (i) voting power which includes the power to vote, or to direct the voting of, such security; and/or (ii) investment power which
includes the power to dispose, or to direct the disposition, of such security. The terms “Beneficially Own” and “Beneficially Owned” shall have a correlative meaning. 

“Existing Units” has the meaning ascribed to that term in the recitals to this Agreement, subject to Section 4.2.

 “Subject Units” means the Existing Units together with any NSH Units that are issued to or otherwise acquired or
Beneficially Owned by the Unitholders during the term of this Agreement. 
 “Transfer” means, directly or
indirectly, to sell, transfer, assign, gift, pledge, encumber, hypothecate or similarly dispose of (by merger (including by conversion into securities or other consideration), by tendering into any tender or exchange offer, by testamentary
disposition, by operation of law or otherwise), either voluntarily or involuntarily, or to enter into any contract, option or other arrangement or understanding (including any proxy or power of attorney or voting agreement) with respect to the
voting of or sale, transfer, assignment, gift, pledge, encumbrance, hypothecation or similar disposition (by merger, by tendering into any tender or exchange offer, by testamentary disposition, by operation of law or otherwise). 

ARTICLE II 
 VOTING

 Section 2.1    Agreement to Vote. Each Unitholder hereby irrevocably and unconditionally agrees that,
during the term of this Agreement, at the NSH Meeting and at any other meeting of the NSH Unitholders, however called, including any adjournment or postponement thereof, and in connection with any written consent of the NSH Unitholders relating to
the Merger or an Acquisition Proposal, each Unitholder shall to the fullest extent that the Subject Units are entitled to vote thereon or consent thereto: 

(a)    appear at each such meeting or otherwise cause the Subject Units to be counted as present thereat for purposes of
calculating a quorum; and 
 (b)    vote (or cause to be voted), in person or by proxy, or deliver (or cause to be
delivered) a written consent covering all of the Subject Units (i) in favor of the approval and adoption of the Merger Agreement and the transactions contemplated thereby, including the Merger, and any other action required or desirable in
furtherance thereof submitted for the vote or written consent of the NSH Unitholders; (ii) against any Acquisition Proposal; and (iii) against 

 
any action, agreement or transaction that would or would reasonably be expected to impede, interfere with, delay, postpone, discourage, frustrate the purposes of or adversely affect the Merger or
the other transactions contemplated by the Merger Agreement. 
 Nothing in this Section 2.1 shall require Mr. Greehey to take any
action inconsistent with his applicable fiduciary or contractual obligations as a director of NSH or NuStar GP. 

Section 2.2    No Inconsistent Agreements. The Unitholders hereby covenant and agree that, except for this
Agreement and the Conditional Irrevocable Proxy of WLG Holdings (the “Conditional Proxy”), dated October 30, 2015, the Unitholders (a) have not entered into, and shall not enter into at any time while this Agreement
remains in effect, any voting agreement or voting trust governing the Subject Units that remains in effect, (b) have not granted, and shall not grant at any time while this Agreement remains in effect, a proxy, consent or power of attorney with
respect to voting the Subject Units that remains in effect (other than a proxy or proxies to vote the Subject Units in a manner consistent with this Agreement) and (c) shall not knowingly take any action at any time while this Agreement remains
in effect that would make any representation or warranty of either Unitholder contained herein untrue or incorrect in any material respect or have the effect of preventing or disabling either Unitholder from performing any of its obligations under
this Agreement in any material respect. 
 Section 2.3    Proxy. In order to secure the obligations set
forth herein, each Unitholder hereby irrevocably appoints during the term of this Agreement as its proxy and attorney-in-fact, as the case may be each of Bradley C.
Barron, Thomas R. Shoaf and Amy L. Perry, in their respective capacities as officers of NuStar GP, and any individual who shall hereafter succeed to any such officer of NuStar GP and any other Person designated in writing by NuStar GP (collectively,
the “Grantees”), each of them individually, with full power of substitution, to vote or execute written consents with respect to the Subject Units in accordance with Section 2.1 and, in the discretion of the Grantees,
with respect to any proposed postponements or adjournments of any annual or special meeting of the NSH Unitholders at which any of the matters described in Section 2.1(b) are to be considered; provided, that any exercise of this proxy by
such Grantees shall be subject to the approval of such exercise by the NuStar GP Conflicts Committee. To the fullest extent permitted by law, this proxy is coupled with an interest and shall be irrevocable, and each Unitholder will take such further
action or execute such other instruments as may be necessary to effectuate the intent of this proxy and each Unitholder hereby revokes any proxy it previously granted with respect to the Subject Units to the extent that such proxy is inconsistent
with the provisions of this Agreement. In furtherance of the foregoing, NSH and WLG Holdings hereby agree that, notwithstanding anything to the contrary contained in the Conditional Proxy, to the extent the proxy granted by WLG Holdings set forth in
the Conditional Proxy becomes effective in accordance with the terms thereof during the term of this Agreement, the proxy set forth in the Conditional Proxy shall not be exercised (and it shall cause the Authorized Officers (as defined in the
Conditional Proxy) not to exercise such proxy) and the Grantees shall be entitled to exercise the proxy set forth therein in accordance with the terms hereof. NuStar GP (acting with the consent of the NuStar GP Conflicts Committee) may terminate
this proxy with respect to any Unitholder at any time at its sole election by written notice provided to any such Unitholder. 

 ARTICLE III 

REPRESENTATIONS AND WARRANTIES 

Section 3.1    Representations and Warranties of the Unitholders. The Unitholders hereby represent and warrant
to the Partnership as follows: 
 (a)    Organization; Authorization; Validity of Agreement; Necessary Action.
WLG Holdings is duly formed, validly existing and in good standing under the laws of its jurisdiction of formation. Each Unitholder has the requisite capacity or power and authority, as applicable, to execute and deliver this Agreement, to carry out
its obligations hereunder and to consummate the transactions contemplated hereby. The execution and delivery by WLG Holdings of this Agreement, the performance by it of its obligations hereunder and the consummation of the transactions contemplated
hereby have been duly and validly authorized by all necessary action on behalf of such Unitholder, and no other actions or proceedings on the part of such Unitholder are necessary to authorize the execution and delivery of this Agreement, the
performance by such Unitholder of its obligations hereunder or the consummation of the transactions contemplated hereby. This Agreement has been duly executed and delivered by each Unitholder and, assuming the due authorization, execution and
delivery of this Agreement by the Partnership and Merger Sub, constitutes a legal, valid and binding agreement of each Unitholder, enforceable against it in accordance with its terms, subject to bankruptcy, insolvency, fraudulent transfer,
reorganization, moratorium and similar laws of general applicability relating to or affecting creditors’ rights and to general equitable principles. 

(b)    Ownership. The Unitholders are the Beneficial Owners of the Existing Units. Other than with respect to the
Conditional Proxy, the Unitholders, individually or through their Affiliates, have, with respect to the Existing Units, and will have with respect to all Subject Units, good and marketable title to such NSH Units, free and clear of any Lien. The
Unitholders have, with respect to the Existing Units (other than as restricted by the Conditional Proxy), and will have at all times until the Effective Time, with respect to all Subject Units, sole voting power (including the right to control such
vote as contemplated herein), sole power of disposition, sole power to issue instructions with respect to the matters set forth in Article II hereof, and sole power to agree to all of the matters set forth in this Agreement, in each case with
respect to all of the Unitholders’ Subject Units. The Unitholders represent and warrant that they are not the Beneficial Owners of any NSH Units other than the Existing Units. 

(c)    No Violation. Neither the execution and delivery of this Agreement by the Unitholders nor the performance by
the Unitholders of their obligations under this Agreement will (i) result in a violation or breach of or conflict with any provisions of, or constitute a default (or an event which, with notice or lapse of time or both, would constitute a
default) under, or result in the termination, cancellation of, or give rise to a right of purchase under, or accelerate the performance required by, or result in a right of termination or acceleration under, or result in the creation of any Lien
upon any of the Subject Units or result in being declared void, voidable, or without further binding effect, or otherwise result in a material detriment to the Unitholders under, any note, bond, mortgage, indenture, deed of trust, license, contract,
lease, agreement or other instrument or obligation of any kind to which either Unitholder is a party or by which either Unitholder or any of their respective properties, rights or assets may be bound or (ii)

 
violate any judgments, decrees, injunctions, rulings, awards, settlements, stipulations, orders (collectively, “Orders”) or laws applicable to either Unitholder or any of
its material properties, rights or assets. 
 (d)    Consents and Approvals. No consent, approval, Order or
authorization of, or registration, declaration or filing with, any governmental authority is necessary to be obtained or made by either Unitholder in connection with the Unitholders’ execution, delivery and performance of this Agreement or the
consummation by each Unitholder of the transactions contemplated hereby, except (i) for any reports under Sections 13(d) and 16 of the Exchange Act as may be required in connection with this Agreement and the transactions contemplated hereby,
(ii) as set forth in the Merger Agreement, or (iii) as would not reasonably be expected to prevent, materially delay or otherwise materially impair the Unitholders’ ability to perform their obligations hereunder. 

(e)    Absence of Litigation. There is no action, litigation or proceeding pending and no Order of any governmental
authority outstanding that may, nor, to the knowledge of the Unitholders, is any such action, litigation, proceeding or Order threatened, against either Unitholder or with respect to any Subject Units which would be reasonably be expected to,
prevent or materially delay the Unitholders from performing their obligations under this Agreement or consummating the transactions contemplated hereby. 

(f)    Reliance by the Partnership and Merger Sub. Each Unitholder understands and acknowledges that the
Partnership and Merger Sub are entering into the Merger Agreement in reliance upon each Unitholder’s execution and delivery of this Agreement and the representations and warranties of each Unitholder contained herein. 

(g)    Non-Solicitation. Each Unitholder understands and acknowledges and
agrees to abide by the non-solicitation covenants set forth in Section 6.6 of the Merger Agreement. 

Section 3.2    Representations and Warranties of the Partnership and Merger Sub. The Partnership hereby
represents and warrants to each Unitholder that the execution and delivery of this Agreement by the Partnership and Merger Sub and the consummation of the transactions contemplated hereby have been duly authorized by all necessary action on the part
of the Partnership and Merger Sub. 
 ARTICLE IV 

OTHER COVENANTS 

Section 4.1    Prohibition on Transfers, Other Actions. During the term of this Agreement, each Unitholder
hereby agrees not to (i) Transfer any of the Subject Units, Beneficial Ownership thereof or any other interest therein; (ii) enter into any agreement, arrangement or understanding with any Person, or take any other action, that violates or
conflicts with or would reasonably be expected to violate or conflict with, or result in or give rise to a violation of or conflict with, either Unitholder’s representations, warranties, covenants and obligations under this Agreement; or
(iii) take any action that could restrict or otherwise affect 

 
either Unitholder’s legal power, authority and right to comply with and perform his covenants and obligations under this Agreement. Any Transfer in violation of this provision shall be null
and void. 
 Section 4.2    Distributions, etc. In the event of a unit split, unit distribution, or any
change in the NSH Units by reason of any split-up, reverse unit split, recapitalization, combination, reclassification, exchange of units or the like, the terms “Existing Units” and “Subject
Units” shall be deemed to refer to and include the Existing Units and Subject Units as defined herein as well as all such unit distributions and any securities into which or for which any or all of such units may be changed or exchanged or
which are received in such transaction. 
 Section 4.3    Further Assurances. From time to time, during the
term of this Agreement, at the Partnership’s request and without further consideration, each Unitholder shall execute and deliver such additional documents and take all such further action as may be reasonably necessary or advisable to effect
the actions and consummate the transactions contemplated by this Agreement. 

Section 4.4    Unitholder’s Capacity. Each Unitholder has entered into this Agreement
solely in its capacity as a Beneficial Owner of Subject Units. Notwithstanding anything to the contrary contained in this Agreement: (i) none of the provisions of this Agreement shall be construed to prohibit, limit or restrict
Mr. Greehey, who is a director of NSH and NuStar GP, from exercising his applicable fiduciary or contractual duties to NSH or the Partnership by voting or taking any other action whatsoever in his capacity as a director, including with respect
to the Merger Agreement and the transactions contemplated thereby; and (ii) no action taken by NSH or the Partnership in respect of the Merger Agreement and the transactions contemplated thereby shall serve as the basis of a claim that
Mr. Greehey is in breach of his obligations hereunder notwithstanding the fact that Mr. Greehey, in his capacity as a director of NSH or NuStar GP, has provided advice or assistance to NSH or NuStar GP in connection therewith. 

Section 4.5    Continued Ownership of NSH. During the term of this Agreement, each Unitholder agrees
not to Transfer his ownership interest in any Subject Units or Beneficial Ownership thereof or any other interest therein. 

Section 4.6    Control of WLG Holdings. During the terms of this Agreement, Mr. Greehey agrees not to
resign or otherwise take any action or omission to act that would cause him to cease to be a member and the sole manager of WLG Holdings or otherwise cease to have the power to direct the management and policies of WLG Holdings, including with
respect to the voting and disposition of the Subject Units owned by WLG Holdings or ceasing to control (directly or indirectly) the voting or disposition of such Subject Units. 

ARTICLE V 

MISCELLANEOUS 

Section 5.1    Termination. This Agreement shall remain in effect until the earliest to occur of (i) the
Effective Time; (ii) the termination of the Merger Agreement in accordance with its terms, other than as a result of a breach by a Unitholder of the terms of this Agreement; or 

 
(iii) the written agreement of each Unitholder and the Partnership to terminate this Agreement. After the occurrence of such applicable event, this Agreement shall terminate and be of no further
force and effect. Nothing in this Section 5.1 and no termination of this Agreement shall relieve or otherwise limit any party of liability for any breach of this Agreement occurring prior to such termination. 

Section 5.2    No Ownership Interest. Nothing contained in this Agreement shall be deemed to vest in the
Partnership or Merger Sub any direct or indirect ownership or incidence of ownership of or with respect to any Subject Units. All rights, ownership and economic benefit relating to the Subject Units shall remain vested in and belong to the
Unitholders (or the Unitholder’s Affiliates), and neither the Partnership nor Merger Sub shall have any authority to direct the Unitholders in the voting or disposition of any of the Subject Units, except as otherwise provided herein. 

Section 5.3    Publicity. Each Unitholder hereby permits the Partnership and NSH to include and disclose in
the Registration Statement, the Proxy Statement and in such other schedules, certificates, applications, agreements or documents as such entities reasonably determine to be necessary or appropriate in connection with the consummation of the Merger
and the transactions contemplated in the Merger Agreement each Unitholder’s identity and ownership of the Subject Units and the nature of such Unitholder’s commitments, arrangements and understandings pursuant to this Agreement. 

Section 5.4    Notices. All notices and other communications hereunder shall be in writing and shall be deemed
given (1) on the date of delivery, if delivered personally, (2) on the first Business Day following the date of dispatch if delivered by a recognized next day courier service and (3) on the fifth Business Day following the date of
mailing if delivered by registered or certified mail, return receipt requested, postage prepaid. All notices hereunder shall be delivered as set forth below or pursuant to such other instructions as may be designated in writing by the party to
receive such notice: 
 If to the Partnership, Merger Sub or NuStar GP: 

NuStar Energy L.P. 
 19003 IH-10 West 
 San Antonio, Texas 78257 

Attn: Chairman of the Nominating/Governance & Conflicts Committee of the Board of Directors of NuStar GP, LLC 

With copies (which shall not constitute proper notice hereunder) to: 

Richards, Layton & Finger, P.A. 

One Rodney Square 
 920 North King
Street 
 Wilmington, DE 19801 

Attn: Mark V. Purpura 
 And 

 Sidley Austin LLP 

1000 Louisiana St. 
 Suite 6000

 Houston, TX 77002 
 Attn:
George J. Vlahakos 
 If to Mr. Greehey or WLG Holdings: 

William E. Greehey 
 19003 IH-10 West 
 San Antonio, TX 78257 

Section 5.5    Interpretation. 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 Section references are to this Agreement unless otherwise specified. Whenever the words
“include,” “includes” or “including” are used in this Agreement, they shall be deemed to be followed by the words “without limitation.” The meanings given to terms defined herein shall be equally applicable to
both the singular and plural forms of such terms. The headings contained in this Agreement are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. This Agreement is the product of negotiation
by the parties having the assistance of counsel and other advisers. It is the intention of the parties that this Agreement not be construed more strictly with regard to one party than with regard to the others. 

Section 5.6    Counterparts. This Agreement may be executed by facsimile and in counterparts, all of which
shall be considered one and the same agreement and shall become effective when counterparts have been signed by each of the parties and delivered to the other parties, it being understood that all parties need not sign the same counterpart. 

Section 5.7    Entire Agreement. This Agreement and, to the extent referred to herein, the Merger Agreement
embody the complete agreement and understanding among the parties hereto with respect to the subject matter hereof and supersede and preempt any prior understandings, agreements or representations by or among the parties, written and oral, that may
have related to the subject matter hereof in any way. 
 Section 5.8    Governing Law; Consent to Jurisdiction;
Waiver of Jury Trial. 
 (a)    This Agreement shall be governed by, and interpreted in accordance with, the Laws of
the State of Delaware, without regard to the conflict of law principles thereof (except to the extent that mandatory provisions of federal or Delaware law govern). The parties agree that irreparable damage would occur and that the parties would not
have any adequate remedy at law in the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties shall be entitled to an
injunction or injunctions to prevent breaches of this Agreement and to enforce specifically the terms and provisions of this Agreement in the Court of Chancery of the State of Delaware in New Castle County (and any appellate court of the State of
Delaware) 

 
or, if the Court of Chancery of the State of Delaware does not have jurisdiction thereof, the Federal courts of the United States of America located in the State of Delaware, this being in
addition to any other remedy to which they are entitled at law or in equity. In addition, each of the parties hereto (i) consents to submit itself to the personal jurisdiction of the Court of Chancery of the State of Delaware in New Castle
County (and any appellate court of the State of Delaware) and, if the Court of Chancery of the State of Delaware does not have jurisdiction thereof, the Federal courts of the United States of America located in the State of Delaware in the event any
dispute arises out of this Agreement or the transactions contemplated by this Agreement, (ii) agrees that it will not attempt to deny or defeat such personal jurisdiction by motion or other request for leave from any such court and
(iii) agrees that it will not bring any action relating to this Agreement or the transactions contemplated by this Agreement in any court other than the Court of Chancery of the State of Delaware or a Federal court of the United States of
America located in the State of Delaware. Without limiting the foregoing, each party agrees that service of process on such party as provided in Section 5.4 shall be deemed effective service of process on such party. 

(b)    EACH PARTY HERETO HEREBY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A
TRIAL BY JURY IN RESPECT OF ANY SUIT, ACTION OR OTHER PROCEEDING ARISING OUT OF THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY. EACH PARTY HERETO (I) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS
REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH PARTY WOULD NOT, IN THE EVENT OF ANY ACTION, SUIT OR PROCEEDING, SEEK TO ENFORCE THE FOREGOING WAIVER AND (II) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS
AGREEMENT, BY, AMONG OTHER THINGS, THE MUTUAL WAIVER AND CERTIFICATIONS IN THIS SECTION 5.8. 

Section 5.9    Amendment; Waiver. This Agreement may not be amended except by an instrument in writing signed
by the Partnership, Merger Sub and each Unitholder. Each party may waive any right of such party hereunder by an instrument in writing signed by such party and delivered to the Partnership, Merger Sub and each Unitholder. 

Section 5.10    Remedies. 

(a)    Each party hereto acknowledges that monetary damages would not be an adequate remedy in the event that any covenant
or agreement in this Agreement is not performed in accordance with its terms, and it is therefore agreed that, in addition to and without limiting any other remedy or right it may have, a non-breaching party
will have the right to an injunction, temporary restraining order or other equitable relief in any court of competent jurisdiction enjoining any such breach and enforcing specifically the terms and provisions hereof. Each party hereto agrees not to
oppose the granting of such relief in the event a court determines that such a breach has occurred, and to waive any requirement for the securing or posting of any bond in connection with such remedy. 

(b)    All rights, powers and remedies provided under this Agreement or otherwise available in respect hereof at law or in
equity shall be cumulative and not alternative, and the exercise or beginning of the exercise of any thereof by any party shall not preclude the simultaneous or later exercise of any other such right, power or remedy by such party. 

 Section 5.11    Severability. Any term or provision of this
Agreement which is determined by a court of competent jurisdiction to be invalid or unenforceable in any jurisdiction shall, as to that jurisdiction, be ineffective to the extent of such invalidity or unenforceability without rendering invalid or
unenforceable the remaining terms and provisions of this Agreement or affecting the validity or enforceability of any of the terms or provisions of this Agreement in any other jurisdiction, and if any provision of this Agreement is determined to be
so broad as to be unenforceable, the provision shall be interpreted to be only so broad as is enforceable, in all cases so long as neither the economic nor legal substance of the transactions contemplated hereby is affected in any manner adverse to
any party or its equityholders, as applicable. Upon any such determination, the parties shall negotiate in good faith in an effort to agree upon a suitable and equitable substitute provision to effect the original intent of the parties as closely as
possible and to the end that the transactions contemplated hereby shall be fulfilled to the maximum extent possible. 

Section 5.12    Action by the Partnership or Merger Sub. No waiver, consent or other action by
or on behalf of the Partnership or Merger Sub pursuant to or as contemplated by this Agreement shall have any effect unless such waiver, consent or other action is expressly approved by the NuStar GP Conflicts Committee. 

Section 5.13    Successors and Assigns; Third Party Beneficiaries. Neither this Agreement nor any of the
rights or obligations of any party under this Agreement shall be assigned, in whole or in part (by operation of law or otherwise), by any party without the prior written consent of the other parties hereto. Subject to the foregoing, this Agreement
shall bind and inure to the benefit of and be enforceable by the parties hereto and their respective successors and permitted assigns. Nothing in this Agreement, express or implied, is intended to confer on any Person other than (a) the parties
hereto or (b) the parties’ respective successors and permitted assigns any rights, remedies, obligations or liabilities under or by reason of this Agreement. 

[Remainder of Page Intentionally Left Blank] 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be signed (where applicable,
by their respective officers or other authorized Person thereunto duly authorized) as of the date first written above. 
  

					
	NUSTAR ENERGY L.P.
		
	By:	 	RIVERWALK LOGISTICS, L.P.
		 	its general partner
			
		 	By:	 	NUSTAR GP, LLC,
		 		 	its general partner
		
	By:	 	 /s/ Thomas R. Shoaf

	Name:	 	Thomas R. Shoaf
	Title:	 	Executive Vice President and Chief
		 	Financial Officer
	
	MARSHALL MERGER SUB LLC
		
	By:	 	NUSTAR ENERGY, L.P.
		 	its sole member
		
		 	By: RIVERWALK LOGISTICS, L.P.
		 	its general partner
			
		 		 	By: NUSTAR GP, LLC, its general partner
		
	By:	 	 /s/ Thomas R. Shoaf

	Name:	 	Thomas R. Shoaf
	Title:	 	Executive Vice President and Chief
		 	Financial Officer
	
	SOLELY FOR PURPOSES OF SECTION 2.3
	
	NUSTAR GP HOLDINGS, LLC
		
	By:	 	 /s/ Thomas R. Shoaf

	Name:	 	Thomas R. Shoaf
	Title:	 	Executive Vice President and Chief
		 	Financial Officer

  
 Signature Page to the
Support Agreement 

					
	WILLIAM E. GREEHEY
	
	 /s/ William E. Greehey

	
	WLG HOLDINGS, LLC
		
	By:	 	 /s/ William E. Greehey

	Name:	 	William E. Greehey
	Title:	 	Sole Manager and President

  
 Signature Page to the
Support AgreementExhibit

Exhibit 10.1

SETTLEMENT AGREEMENT AND MUTUAL GENERAL RELEASE
This Settlement Agreement and Release of Claims (“Agreement”) is entered into by and between Scott Bixby (hereinafter referred to as “Bixby” or “Employee”), and Farmer Bros. Co. (hereinafter referred to as “Company”).  The Agreement is a binding contract between Bixby and Company (collectively referred to as “the Parties”), the terms of which are delineated below.
WHEREAS Bixby was employed by Company as Senior Vice President, General Manager Direct Store Delivery;
WHEREAS the Parties entered into a certain Employment Agreement dated as of May 27, 2015 (the “Employment Agreement);
WHEREAS Bixby’s last day at the Company was and elected to retire effective September 30, 2017;
WHEREAS certain disagreements and disputes arose between the Parties concerning, among other things, whether Bixby is entitled to certain post-departure payments and other benefits under the Employment Agreement (the “Dispute”);
WHEREAS the Parties participated in a mediation on January 19, 2018 before Christopher Nolland, Esq. and reached an agreement to settle, compromise and resolve all disagreements and disputes between; and
WHEREAS the Parties wish to document the terms and conditions of their agreement;
NOW THEREFORE, in consideration of the promises, mutual covenants, consideration, and agreements set forth herein, the receipt and sufficiency of which are hereby acknowledged, the Parties hereby agree as follows:
1.    The Dispute.  Bixby has asserted that he has potential claims against the Company arising out of an Employment Agreement between the Company and Bixby made May 27, 2015 (the “Dispute”).  Bixby is represented by Yonaton Aronoff of Harris, St. Laurent & Chaudhry, LLP, in the Dispute.

2.    Denial of Liability.  Company has denied and continues to deny each of the allegations asserted or threatened by Employee in connection with the Dispute.  The Parties recognize, however, that litigation of the Dispute will be costly, disruptive, and time-consuming.  Accordingly, to avoid the time, expense and uncertainties of litigation, the Parties now desire to settle and compromise any and all claims between them, including those described in the Dispute.
3.    Full Settlement.  The Parties intend to and do hereby fully and finally compromise release and settle all disputes, claims and causes of action, whether known or unknown, that were or could have been asserted by or between either of them up to and through the date of this Agreement.

Settlement Agreement and Release of Claims – Page 1        

4.    Mutual General Releases and Covenants Not to Sue.  
(a)Bixby, on behalf of himself, his spouse, and his heirs, relatives, representatives, agents, attorneys, and assigns (hereinafter collectively referred to as “Bixby Releasing Parties”), hereby releases the Company, and any and all present and former parent companies, subsidiaries or affiliates, successors, and predecessor entities, and those entities’ insurers, directors, officers, employees, attorneys, agents, representatives, shareholders, successors and assigns, and all related persons and entities, whether named or not (collectively, “the Released Parties”), of and from all rights, claims, demands, actions, damages, causes of action, attorneys’ fees, and costs, of whatever nature, whether legal, equitable, statutory, or otherwise, in whole or in part, that Bixby might have brought, arising up to and through the date of this Agreement whether known or unknown, it being the intent of the Released Parties to fully and finally compromise and settle all matters of any nature that have occurred or could have arisen, through the date of this Agreement.  This release and waiver of all claims and damages includes, but is not limited to, all claims that were or could have been asserted in any lawsuit, any tort or statutory claim or contractual restriction relating to Bixby’s prior employment with Company, the discontinuation of such employment, any post-employment conduct, any claim of wrongful discharge, and all rights under federal, state, or local law prohibiting retaliation or discrimination based on race, sex, age, religion, national origin, handicap, disability, or other forms of discrimination, harassment or retaliation, including, but not limited to, rights arising under (a) the Americans with Disabilities Act; (b) Title VII of the Civil Rights Act of 1964, 42 U.S.C. § 2000e et seq., as amended; (c) 42 U.S.C. §1981; (d) the Texas Commission on Human Rights Act, or any similar or related laws of the state of Texas, or any other state; (e) the United States Constitution or the constitution of any state of the United States; (f) the Employee Retirement Income Security Act of 1974, 28 U.S.C. §§ 1001-1461, as amended; (g) the Worker Adjustment and Retraining Notification Act, 29 U.S.C. §2101 et seq.; (h) any other federal, state or local employment-related laws, ordinances, orders or regulations as well as common law; (i) any rights, claims or causes of action for costs, damages, compensatory damages, liquidated damages, exemplary damages, punitive damages, injunctive relief, front pay, back pay, attorneys’ fees, severance pay, unpaid wages, unpaid vacation, bonuses, salary, expenses or insurance, retirement or other benefits; (j) the Family and Medical Leave Act; (k) the Fair Labor Standards Act; (l) personal injury based on negligence or gross negligence; (m) claims arising under Texas Labor Code Ch. 451 et seq. for workers’ compensation retaliation; (n) claims for malicious prosecution and (m) any claims arising under the Age Discrimination in Employment Act.  The Bixby Releasing Parties promise and covenant that they will not initiate or file any lawsuit over any claim they released in this Agreement. 
(b)    Farmer Bros. Co. hereby releases Bixby from of and from all rights, claims, demands, actions, damages, causes of action, attorneys’ fees, and costs, of whatever nature, whether legal, equitable, statutory, or otherwise, in whole or in part, that Company might have brought, arising up to and through the date of this Agreement whether known or unknown, it being the intent of the Company to fully and finally compromise and settle all matters of any nature that have occurred or could have arisen through the date of this Agreement.  Company promises and covenants that it will not initiate or file any lawsuit over any claim it released in this Agreement.  

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5.    Consideration.  In consideration of the mutual releases and promises contained herein, and for other good and valuable consideration, the sufficiency of which is acknowledged by the Parties, the Company agrees to pay to Bixby the total amount of ONE HUNDRED FIFTY-THREE THOUSAND DOLLARS AND NO/100S ($153,000.00) less taxes and other withholdings required to be withheld on the payment of severance payments (the “Settlement Amount”).  The Settlement Amount will be paid in a single lump sum not later than February 16, 2018.  Bixby agrees to be solely and exclusively responsible for any additional taxes and withholdings due on his portion of the Agreement not already withheld.  Further, Bixby represents that he is not relying upon Company or its attorneys in any way regarding the tax consequences of entering into this Agreement.  
6.    Cooperation.  In any litigation currently pending or hereinafter brought against Released Parties, Employee agrees to cooperate fully with Released Parties with regard to using his best efforts to provide the Released Parties any and all information, data and materials which Employee may know, have knowledge of, or have in his possession, which would be necessary or useful to Released Parties’ defense in such litigation.  Employee further agrees to make himself reasonably available to Released Parties for witness interviews and/or statements, affidavits, depositions and/or court testimony, as necessary.
7.    No Assignment of Claims.  Bixby warrants and guarantees that he has not made, and will not make, any assignment of any claim, damages, cause or right of action, or any right of any kind whatsoever and that no other person or entity of any kind, other than Bixby, had or has any interest in any of the demands, obligations, actions, causes of action, debts, liabilities, rights, contracts, damages, attorneys’ fees, costs, expenses, losses, or claims that are released herein.  EMPLOYEE AGREES TO INDEMNIFY AND HOLD HARMLESS COMPANY FROM ANY AND ALL LIABILITY, CLAIMS, DEMANDS, EXPENSES, COSTS, AND ATTORNEYS’ FEES ASSERTED BY ANY PERSON OR ENTITY DUE TO A VIOLATION OF THIS NON-ASSIGNMENT PROVISION OR THE REPRESENTATIONS MADE IN THIS PARAGRAPH.  
8.    Severability.  The provisions of this Agreement are severable, and if any part of it is found to be unenforceable, the other provisions shall remain fully valid and enforceable.  
9.    Law Governing.  This Agreement was negotiated and is performable, in whole or in part, in Texas and therefore shall in all respects be interpreted, enforced and governed by and under the laws of the State of Texas.
10.    Venue.  Venue in any action to enforce any provision of this Agreement or for breach of this Agreement shall be exclusively in Tarrant County, Texas.
11.    Entirety of Agreement.  This Agreement contains the entire agreement between the Parties relating to the subject-matter hereof.  No other promise or agreement of any kind has been made to or with Bixby by any person or entity to cause him to execute this Agreement.
12.    Release of Federal Age Discrimination Claims.  Bixby represents that he is being given at least twenty-one (21) days to consider this Agreement before signing it, and further, that he is advised in writing to consult with an attorney before signing it. Bixby may rescind his release of rights and claims arising under the Age Discrimination in Employment Act (ADEA) during the seven (7) day period following the date of execution of this Agreement by Employee (the 

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"Revocation Period").  Thereafter, the release of ADEA rights and claims is irrevocable.  All other releases are immediately and fully effective and irrevocable upon Employee’s signing this Agreement.  Should Employee decide to revoke or rescind his release of ADEA claims during the Revocation Period, he must do so by serving written notice to Company hand-delivered to the Company during the Revocation Period.  If Employee revokes his release of ADEA rights and claims, the Settlement Payment from the Company to the Employee shall be reduced by fifty percent to account for a less-than full release of claims.  
13.    Waiver of Attorneys’ Fees.  Bixby waives his right to collect any attorneys’ fees, except as herein indicated, from the Company in connection with the Dispute and this Agreement, and Bixby hereby releases the Company from any attorneys’ lien that may apply or attach to the consideration paid pursuant to this Agreement.
14.    No Pending Bankruptcy.  As of the date of the execution of this Agreement, Bixby has no pending Petition in Bankruptcy, nor is he involved as a debtor in bankruptcy in any other proceeding currently pending before any United States Bankruptcy Court or any other Court.  Any breach of this provision, whether knowing or inadvertent, will constitute a material breach, rendering this Agreement voidable at the election of Company.
15.    Waiver.  No claim or right arising out of a breach or default under this Agreement can be discharged by waiver of that claim or right unless the waiver is in writing signed by the Party hereto to be bound by such waiver.  A waiver by any Party of a breach or default by the other Party of any provision of this Agreement shall not be deemed a waiver of future compliance with such provisions, and such provisions shall remain in full force and effect.
16.    Execution and Representations.  This document may be executed in multiple originals, and any one fully executed copy will serve as the operative document.  The Parties agree and represent that they have been given a reasonable period of time to consider this Agreement and have thoroughly reviewed it and agreed to its terms with the advice and counsel of their respective attorneys.  Bixby was advised to and did consult with a lawyer prior to executing this Agreement.  The Parties also acknowledge the contested and adversarial nature of the underlying disputes and the Dispute.  The Parties further agree and represent that in executing this Agreement they did not rely and have not relied upon any representation or statement made by the opposing Parties hereto or their attorneys, with regard to (a) facts underlying the Dispute; (b) the subject matter or effect of this Agreement; or (c) any other facts or issues which might be deemed material to their decision to enter into this Agreement.  The Parties hereby represent, warrant and agree that they each have the right and power to enter into this Agreement, and the person executing this Agreement on behalf of such Party has the full right and authority to enter into this Agreement and the full right and authority to execute all instruments, if any, provided for in this Agreement, and to fully bind such Party as to the terms and obligations of this Agreement.  
17.    Effective Date.  As used herein, the “Effective Date” shall be the date of Bixby’s signature below.

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EXECUTED in duplicate originals on the date(s) hereinafter indicated.
/s/ Scott Bixby                            Date:  January 31, 2018
Scott Bixby

/s/ Thomas J. Mattei, Jr.
Farmer Bros. Co.

By: Thomas J. Mattei, Jr.                    Date:  February 6, 2018

Title: General Counsel and Assistant Secretary        

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