SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). AMMONIA PURCHASE AND SALE AGREEMENT

Exhibit 10.49

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

AMMONIA PURCHASE AND SALE AGREEMENT

1

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

2

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

3

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

4

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

IN WITNESS WHEREOF, the parties hereto have executed and delivered this Agreement by their duly authorized representatives effective as of the Effective Date.

5

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

List of Appendices

Appendix I — Seller's Facility Operating Requirements

Appendix II — Index Integrity

Appendix III — Definitions

Appendix IV — Terms and Conditions

6

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

Appendix I

Seller's Facility Operating Requirements

Distribution Facilities. Seller agrees to maintain the following distribution facilities at the Seller’s Facility:

(a) On or before June 30, 2016, Ammonia storage  with the following characteristics:

(i) nominal capacity of *** Tons;

(ii) working capacity of *** Tons;

(iii) low level of *** Tons; and

(iv) high level of *** Tons;

(b) Prior to having the 30,000 Ton storage tank in service, Seller shall have Ammonia storage of *** Tons, with low level of 2,500 Tons;

(c) On or before the Completion Date, injection capacity into the Ammonia Pipeline of *** Tons per hour minimum and *** Tons per hour maximum;

(d) On or before the Completion Date, truck loading capacity of one – two trucks per hour, daylight hours, unless otherwise agreed by the parties.

7

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

Appendix II

***

***

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SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

Appendix III

Definitions

Unless otherwise defined in the Agreement, capitalized or other terms used herein shall have the following meanings:

“Affiliate” or “Affiliates” with respect to any specified Person means a Person that, directly or indirectly, through one or more intermediaries, controls or is controlled by, or is under common control with, such specified Person. For this definition, "control" (and its derivatives) means the possession, directly or indirectly, of 25% or more of the equity interest (including shares of capital stock, units, interests or other partnership/limited liability company interests) of a Person, or the power, directly or indirectly, to vote 25% or more of the voting equity interest of a Person.

“Ammonia” means commercial grade anhydrous ammonia meeting the Specifications.

“Ammonia Pipeline” means the anhydrous ammonia pipeline currently owned by NuStar Pipeline Operating Partnership L.P., or any successor thereto.

“business day” means any day other than Saturdays, Sundays and national holidays.

“day” means a calendar day, including Saturdays, Sundays and national holidays.

“Completion Date” means the date Buyer receives written notification from Seller that Seller’s Facility is capable of producing the Expected Quantity.

“Contract Year” means a one year period commencing on the first day of the month immediately following the Completion Date or any anniversary thereof during the Term.  For example, if the Completion Date occurs on May 20, 2016, a Contract Year shall be June 1st to May 31st of the following calendar year.

“Delivery Point” means (a) for deliveries by pipeline, the discharge side of the Ammonia Pipeline’s Ammonia meter located at Seller’s Facility, or (b) for deliveries by truck, the inlet flange of the truck during loading at the Seller’s Facility.

***

“Downstream Facilities” means nitric acid plants and ammonium nitrate plants or other ammonia consuming plants (including urea and UAN plants if constructed) of Seller at Seller’s Facility or of Seller’s Affiliates.

“month” means a calendar month.

“Person” means any individual, corporation (including any non-profit corporation), general or limited partnership, limited liability company, joint venture, estate, trust, unincorporated organization, business, syndicate, sole proprietorship, association, organization, other entity or governmental body.

“Price” means the price per Ton of Ammonia as set forth in Section 13 or Appendix II, as applicable.

***

“Ton” or “Tons” means a U.S. short ton or 2000 pounds.

Unless the context of the Agreement otherwise requires (i) words of any gender are deemed to include the other gender; (ii) words using the singular or plural number also include the plural or singular number, respectively; (iii) the terms “hereof,” “herein,” “hereby,” “hereto,” and derivative or similar words refer to this entire Agreement; (iv) the term “Section” refer to the specified Section of the Agreement; (v) the term “including” and other forms of such term, with respect to any matter or thing, means “including but not limited to” such matter or thing; and (vi) all references to “dollars” or “$” refer to currency of the United States.

9

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

Appendix IV

Terms and Conditions

1.  TERMS OF SALE. These Terms and Conditions (“Terms”) shall apply to the Ammonia Purchase and Sale Agreement to which these Terms are attached or referenced (together with these Terms, the “Agreement”.

2.  TAXES AND DUTIES. Buyer shall be responsible for the amount of any applicable sales, use or value added tax imposed on Ammonia as a result of any sale by Buyer hereunder that (a) state or local taxing authorities require Seller to collect from Buyer, and (b) is not subject to an exemption certificate, a direct pay permit or other exemption document. If any sale is so subject to exemption, Buyer shall provide Seller with copies of such documents or other appropriate evidence. Except to the extent described above, Seller shall pay all Taxes which may now or hereafter be imposed on or with respect to the manufacturing or production of the Ammonia. If Buyer is required to pay any Taxes that are Seller's responsibility hereunder, Seller shall reimburse Buyer for such Taxes within 10 days of notice hereunder.

3.  DELIVERIES.  Either party may reject any trucks, transports, containers or storage presented for loading/unloading/transfer or refuse to load/unload, transfer or handle any Ammonia which in either case, in such party's sole opinion, would present an unsafe or potential unsafe situation.

4.  COMPLIANCE WITH LAW. Each party agrees to comply with all applicable laws, treaties, conventions, directives, statutes, ordinances, rules, regulations, orders, writs, judgments, injunctions or decrees of any governmental authority having jurisdiction pertaining to the performance of its obligations under the Agreement.

5.  HAZAR

DOUS/TOXIC SUBSTANCES. Seller warrants to Buyer that: no Ammonia is or will be the product, or by-product, of any hazardous or toxic waste as defined by applicable law; and Seller will supply Buyer on a timely basis with Safety Data Sheets (SDS) for the Ammonia, which SDS will be complete and accurate, including in the disclosing of risks and dangers of the Ammonia and of handling or processing the same.

6.  WARRANTY AND INDEMNIFICATION. (a) Seller warrants that at the time of delivery, (i) the Ammonia shall conform to the Specifications, (ii) Seller will deliver good title to the Ammonia and that the Ammonia shall be delivered free of liens or encumbrances; and (iii) Seller has complied in all respects with all laws applicable to the production, handling, transportation and delivery of the Ammonia. SELLER DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS OF THE AMMONIA FOR A PARTICULAR PURPOSE.

(b) Seller warrants that the production or sale of the Ammonia delivered hereunder will not infringe the claims of any patent or proprietary or intellectual property of any third-party (a “Third-Party Intellectual Property Right”). Seller shall indemnify, defend, and hold Buyer (and its Affiliates and its and their respective officers, directors, employees and representatives) harmless from and against any and all claims, liabilities or losses arising from or in connection with any claim that the Ammonia or the sale of Ammonia infringes or violates any Third-Party Intellectual Property Right.

10

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

7.  LIMITATIONS. Notwithstanding anything to the contrary in this Agreement or applicable law, in no event will either party be liable to the other party for any lost or prospective profits, indirect, incidental, consequential, special, exemplary or punitive damages, including, without limitation, lost earnings, lost profits or business interruption, under any claim, whether based upon a party's negligence, breach of warranty, strict liability, in tort or any other cause of action.

8.  GOVERNING LAW AND VENUE FOR DISPUTES.  The validity, performance, construction, and effect and all matters arising out of or relating to the Agreement shall be interpreted in accordance with the laws of the State of New York (U.S.A.), without regard to its conflicts of law rules. The United Nations Convention on Contracts for the International Sale of Goods or any subsequently enacted treaty or convention shall not apply or govern the Agreement or the performance thereof or any aspect of any dispute arising therefrom. Any action or proceeding between Buyer and Seller relating to the Agreement shall be commenced and maintained exclusively in the state or federal courts in the state of Delaware (U.S.A.), and Seller submits itself unconditionally and irrevocably to the personal jurisdiction of such courts. BUYER AND SELLER EACH WAIVE, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY SUIT, ACTION, CLAIM OR PROCEEDING RELATING TO THE AGREEMENT.

9.  SUCCESSOR AND ASSIGNS. The Agreement binds and inures to the benefit of Buyer and Seller and their respective successors and assigns expressly permitted by the Agreement. Neither party may assign any interest in, nor delegate any obligation under the Agreement, by operation of law or otherwise, without the other party's prior written consent. Upon any such permitted assignment, however, the assigning party shall not be relieved of any liability under the Agreement. Any assignment or attempted assignment in contravention of the foregoing shall be null and void, and shall be considered a breach of the Agreement.

10.  AMENDMENT.  Neither party shall claim any amendment, modification or release of any provisions hereof unless the same is in writing and such writing: (i) specifically refers to the Agreement; (ii) specifically identifies the term amended; and (iii) is signed by duly authorized representatives of Seller and Buyer. No salesperson is authorized to bind either party.

11.  DEFAULT, LIABILITY AND TERMINATION. Upon the occurrence of any of the following events, (i) the failure of any party to perform any of its other obligations under the Agreement and such failure is not excused or cured within 30 days after receipt of written notice from the other party, or (ii) upon the occurrence of a Bankruptcy Event (as defined below), then the non-defaulting or non-bankrupt party, in its discretion and upon written notice to the other party (provided no notice shall be required in the event of a Bankruptcy Event), may do any one or more of the following in addition to any other right or remedy it may have in the Agreement or under law or in equity: (a) suspend performance under the Agreement; (b) terminate the Agreement, whereby any and all obligations of the defaulting or bankrupt party, including payments or deliveries due, will, at the option of the terminating party, become immediately due and payable or deliverable, as applicable; and/or (c) Set-off against any amount that the terminating party owes to the defaulting or bankrupt party under the Agreement, in each case subject to Section 7 of these Terms. “Bankruptcy Event” means the occurrence of any of the following events with respect a party: (i) filing of a petition or otherwise commencing, authorizing or acquiescesing in the commencement of a proceeding or cause of action under any bankruptcy, insolvency, reorganization or similar law; (ii) making of an assignment or any general arrangement for the benefit of creditors; (iii) having a bankruptcy petition filed against it and such petition is not withdrawn or dismissed within 30 days after such filing; (iv) otherwise becoming bankrupt or insolvent (however evidenced); (v) having a liquidator, administrator, custodian, receiver, trustee, conservator or similar official appointed with respect to it or any substantial portion of its property or assets; or (vi) being generally unable to pay its debts as they fall due.

11

SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

12.  CONFIDENTIALITY. Except as may be agreed to in writing on a case by case basis or as may be necessary to perform its obligations herein, during the Term and for a period of one (1) year thereafter, both parties shall maintain in confidence the terms of the Agreement and all information concerning costs and price to be disclosed in connection with the other's performance under the Agreement. Such information shall be disclosed to no one other than (i) Affiliates, employees and representatives who need to know the same in connection with performance under the Agreement, and who are advised of the confidential nature of such information, or (ii) when disclosure is required by law. The obligations under Section 12 of each party, as recipient, shall not apply to such information that (a) was or is in the public domain through no fault of such recipient, (b) was rightfully in recipient's possession free of any obligation of confidence, (c) was developed by recipient independently of and without reference to any confidential information communicated to such recipient by discloser, or (d) was communicated by the discloser to an unaffiliated third-party free of any obligation of confidence.

13.  PUBLIC ANNOUNCEMENTS. Neither party shall issue any press release or public announcement concerning the Agreement or the transactions contemplated hereby without obtaining the prior written approval of the other party hereto, which approval will not be unreasonably withheld or delayed, unless, in the judgment of Buyer or Seller, disclosure is otherwise required by law, provided that, even in such circumstances, the party intending to make such release shall use commercially reasonable efforts consistent with such law to consult with the other party with respect to the text thereof.

14.  INDEPENDENT CONTRACTORS. Buyer and Seller are independent contractors only and are not partners, master/servant, principal/agent or involved herein as parties to any other similar legal relationship with respect to the transactions contemplated under the Agreement or otherwise; and no fiduciary relationship, nor any other relationship imposing vicarious liability shall exist between the Parties under the Agreement or otherwise at law.

15.  NOTICES. Any notice given under the terms of the Agreement shall be in writing and shall be either delivered by hand; mailed by first class, registered, or certified mail with return receipt requested and postage prepaid; or sent by facsimile transmission; or sent prepaid by overnight courier, to the address specified in Section 3 and 5 of the Agreement or otherwise specified in a notice delivered by a party under this Section 15; provided that, any agreement around Excess Quantity or forecasts and scheduling may be provided via e-mail to personnel designated by the receiving party. Notice shall be deemed received upon delivery personally or by fax on a business day of the recipient with a notice of receipt or within seven (7) days if mailed by registered or certified mail, return receipt requested.

16.  SURVIVABILITY. The Agreement, and all covenants, promises, agreements, conditions, warranties, representations and understandings contained in this Agreement shall survive the termination or expiration of the Term for purposes of enforcement of rights occurring prior to such termination or expiration.

17.  SET-OFF. Each party reserves the right, at any time, to Set-off against any amount that the other party owes to such party under this Agreement. The party invoking the Set-off shall provide written notice to the other party prior to doing so. “Set-off” means set-off, offset, combination of accounts, netting of dollar amounts of monetary obligations, right of retention or withholding or similar right to which such party is entitled; provided, that it arises under this Agreement.

18.  MISCELLANEOUS. These Terms supersede any terms and conditions of previous dates, and if there is a conflict between these Terms and the specific provisions contained in the Agreement, the specific provisions contained in the Agreement shall control. Capitalized terms not defined herein shall have the meanings set forth in the Agreement. The captions and section headings set forth in the Agreement are for convenience only and shall not be used in defining or construction any of the terms and conditions of the Agreement. Waiver by either party of any

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SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF

THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED

TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE

APPROPRIATE PLACE WITH THREE ASTERISKS (***).

breach of the terms and conditions contained in the Agreement will not be construed as a waiver of any other or continuing breach. Except where specifically noted in this Agreement, any right or remedy specified in the Agreement shall be in addition to, and not exclusive of, any other right or remedy of under contract, law or equity. The invalidity or unenforceability of any provision of the Agreement shall not affect the validity or enforceability of its other provisions. The Agreement is solely for the benefit of Buyer and Seller and shall not be deemed to confer upon or give to any third-party any right, claim, cause of action or interest herein. Nothing in the Agreement shall be construed against either party as the alleged drafter thereof. No course of dealing, course of performance, or usage of trade shall be considered in the interpretation or enforcement of the Agreement. The Agreement contains the entire understanding of the parties hereto with regard to the subject matter contained herein. This Agreement may be executed in two or more counterparts, each of which shall be deemed to be an original, but all of which shall constitute one and the same agreement.

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