Document:

Amendment No. 1 to the Credit Agreement

 Exhibit 4.5 
  

AMENDMENT NO. 1 TO THE CREDIT AGREEMENT 
  
 AMENDMENT NO. 1 (this “Amendment”), dated as of July 29, 2005, among TERRA
NITROGEN, LIMITED PARTNERSHIP, a Delaware limited partnership (the “Borrower”), TERRA NITROGEN COMPANY, L.P., a Delaware limited partnership
(“TNCLP”), the Lenders party hereto, and CITICORP USA, INC., as administrative agent and collateral agent for the Lenders and the Issuers (in such capacities, the “Administrative
Agent”), amends certain provisions of the CREDIT AGREEMENT, dated as of December 21, 2004 (as further amended hereby and as the same may be further amended, supplemented or otherwise modified from time to
time, the “Credit Agreement”), among the Borrower, TNCLP, the financial institutions from time to time party thereto as lenders (the “Lenders”), the financial institutions from time to time party thereto as issuing
banks (the “Issuers”) and the Administrative Agent. 
  
 W I T N E S S E T H : 
  
 WHEREAS, pursuant to the
Credit Agreement, the Lenders have agreed to make Loans to the Borrower and to issue Letters of Credit for the account of the Borrower; and 
  
 WHEREAS, the Borrower and TNCLP have requested, and the Requisite Lenders and the Administrative Agent have agreed to, certain amendments to the Credit
Agreement as more specifically set forth below. 
  
 NOW,
THEREFORE, in consideration of the premises and the mutual covenants and provisions hereinafter contained, the parties hereto hereby agree as follows: 
  
 1. Defined Terms. Capitalized terms used herein and not defined herein but defined in the Credit Agreement are used herein as defined in the
Credit Agreement. 
  
 2. Amendments to the Credit
Agreement. As of the First Amendment Effective Date (as defined as Section 3), the Credit Agreement is hereby amended as follows: 
  
 (a) Amendment to Section 1.1. Section 1.1 of the Credit is hereby amended as follows: 
  
 (i) by deleting the definition of “Secured Guarantor” in
its entirety and replacing it with the following: 
  
 “Secured Guarantor” means TNCLP, TNGP and their respective Domestic Subsidiaries. 
  
 (ii) by inserting the following immediately after the definition of “TNCLP Minority Interest Payments”: 
  
 “TNGP” means Terra Nitrogen GP Inc., a
Delaware corporation. 
  
 (iii) by deleting “TNCLP
and its Subsidiaries” and replacing it with “TNCLP, TNGP and their respective Subsidiaries” in the definition of “Unsecured Guarantor” 
  

 1 

 (b) Amendment to Section 7.11. Section 7.11 of the Credit Agreement is hereby amended
by inserting at the end of such section the following: 
  
 (e) For the purposes of this Section 7.11 each reference to Subsidiaries of TNCLP in this Section 7.11 shall be deemed also to include each of the Subsidiaries of TNGP. 
  
 (c) Amendment to Section 8.4(f). Section 8.4(f) of the
Credit Agreement is hereby deleted in its entirety and replaced with the following: 
  
 (f) any other Asset Sales (including any disposition of assets to a joint venture by TNCLP or its Subsidiaries) the aggregate Fair
Market Value of which shall not at any time exceed $10,000,000 in any Fiscal Year and the sale of the Blytheville terminal 
  
 (d) Amendment to Section 8.8. Section 8.8 of the Credit Agreement is hereby amended by inserting at the end of such section the
following: 
  
 provided, however, that
TNC may transfer general partnership interests in TNCLP and the Borrower to TNGP, and, in connection with such transaction, the Borrower may purchase from Terra Capital the promissory note issued by the Borrower to Terra Capital in the face amount
of $8,200,000 for $8,200,000 plus accrued interest thereon, and TNCLP and its Subsidiaries may enter into any other transactions in connection with the foregoing. 
  
 3. Consent. (a) For purposes of Section 8.10, the Administrative Agent and the Requisite Lenders
consent to the transactions described in Section 2(d) of this Amendment. 
  
 (b) Pursuant to Section 7.1 of the Pledge and Security Agreement, dated as of December 21, 2004 (the “Security Agreement”), among TNLP, TNCLP, the other parties from time to time party
thereto and the Administrative Agent, and Section 11.1 of the Credit Agreement, each Lender hereby consents and authorizes the Administrative Agent to enter into an amendment to the Security Agreement to clarify that the Collateral does not
extend to (i) real property or other fixed assets of the Loan Parties or the other Senior Secured Note Collateral (as defined in the Terra Capital Credit Agreement) or (ii) the general partnership interests in TNCLP and the Borrower.

  
 4. Conditions Precedent to the Effectiveness of this
Amendment. This Amendment shall become effective, as of the date hereof, on the date (the “First Amendment Effective Date”) when the following conditions precedent have been satisfied: 
  
 (a) Certain Documents. The Administrative Agent shall have received
on or before the First Amendment Effective Date, all of the following, each of which shall be in form and substance satisfactory to the Administrative Agent: 
  

(i) this Amendment, executed by the Borrower, TNCLP, the Administrative Agent and the Lenders constituting the Requisite Lenders; 
  

 2 

 (ii) a Joinder Agreement to the Security Agreement, executed by TNGP; 
  
 (iii) a Guaranty Supplement, executed by Terra Nitrogen Holdings GP Inc., as
an Unsecured Guarantor; 
  
 (iv) a Guaranty Supplement, executed
by TNGP; 
  
 (v) an opinion of Kirkland & Ellis LLP in
form and substance satisfactory to the Administrative Agent; 
  
 (vi) a consent, executed by each Guarantor in the form attached hereto; and 
  
 (vii) such additional documentation as the Administrative Agent or the Requisite Lenders may reasonably require. 
  
 (b) Past Expenses Paid. The Borrower shall have paid in accordance with Section 11.3 of the Credit Agreement, all outstanding costs and
expenses of the Administrative Agent, including the reasonable fees and out-of-pocket expenses of counsel for the Administrative Agent incurred prior to or otherwise in connection with this Amendment. 
  
 5. Representations and Warranties. On and as of the date
hereof, and as of the First Amendment Effective Date, after giving effect to this Amendment, each of the Borrower and TNCLP hereby represents and warrants to the Lenders as follows: 
  
 (a) Each of the representations and warranties contained in Article IV of the Credit Agreement, the other Loan
Documents or in any certificate, document or financial or other statement furnished at any time under or in connection therewith are true and correct in all material respects on and as of the date as if made on and as of such date, except to the
extent that such representations and warranties specifically relate to a specific date, in which case such representations and warranties shall be true and correct in all material respects as of such specific date; provided, however,
that references therein to the “Credit Agreement” shall be deemed to include this Amendment; and 
  
 (b) No Default or Event of Default has occurred and is continuing. 
  
 6. Continuing Effect; No Other Amendments. Except as expressly amended hereby, all of the terms and provisions
of the Credit Agreement and the other Loan Documents are and shall remain in full force and effect. The amendments and consents contained herein shall not constitute an amendment or a waiver of any other provision of the Credit Agreement or the
other Loan Documents or for any other purpose except as expressly set forth herein. 
  
 7. Loan Documents. This Amendment is deemed to be a “Loan Document” for the purposes of the Credit Agreement. 
  
 8. Costs and Expenses. The Borrower and TNCLP agree to pay on demand all reasonable and documented
out-of-pocket costs and expenses of the Administrative Agent in connection with the preparation, execution and delivery of this Amendment and other instruments and documents to be delivered pursuant hereto, including the reasonable and documented
fees and out-of-pocket expenses of counsel for the Administrative Agent with respect thereto. 
  

 3 

 9. Governing Law; Counterparts; Miscellaneous. 
  
 (a) This Amendment shall be governed by, and construed and interpreted in
accordance with, the law of the State of New York. 
  
 (b) This
Amendment may be executed in any number of counterparts and by the different parties on separate counterparts, each of which counterparts when executed and delivered shall be an original, but all of which shall together constitute one and the same
instrument. 
  
 (c) Section captions used in this Amendment are
for convenience only and shall not affect the construction of this Amendment. 
  
 (d) From and after the First Amendment Effective Date, all references in the Credit Agreement to the “Agreement” shall be deemed to be references to such Agreement as modified hereby and this Amendment and
the Credit Agreement shall be read together and construed as a single instrument. 
  
 [signature pages follow] 
  

 4 

 IN WITNESS WHEREOF, the undersigned parties have executed this Amendment No. 1 to the Credit
Agreement to be effective for all purposes as of the First Amendment Effective Date. 
  

			
	Borrower
	
	 TERRA NITROGEN, LIMITED PARTNERSHIP

	 BY: TERRA NITROGEN CORPORATION

	 ITS: GENERAL PARTNER

		
	 By:
	 	 /s/ Mark A. Kalafut

	 Name:
	 	 Mark A. Kalafut

	 Title:
	 	 Vice President

	
	Guarantor
	
	 TERRA NITROGEN COMPANY, L.P.

	 BY: TERRA NITROGEN CORPORATION

	 ITS: GENERAL PARTNER

		
	 By:
	 	 /s/ Mark A. Kalafut

	 Name:
	 	 Mark A. Kalafut

	 Title:
	 	 Vice President

  

 [SIGNATURE PAGE TO AMENDMENT NO. 1 TO TNLP CREDIT AGREEMENT] 

			
	Administrative Agent
	
	 CITICORP USA, INC.

		
	 By:
	 	 /s/ Miles D. McManus

	 Name:
	 	 Miles D. McManus

	 Title:
	 	 Vice President and Director

	
	Lenders
	
	 CITICORP USA, INC.

		
	 By:
	 	 /s/ Miles D. McManus

	 Name:
	 	 Miles D. McManus

	 Title:
	 	 Vice President and Director

	
	 WELLS FARGO FOOTHILL, INC.

		
	 By:
	 	 /s/ Dennis King

	 Name:
	 	 Dennis King

	 Title:
	 	 Vice President

	
	 LASALLE BANK NATIONAL ASSOCIATION

		
	 By:
	 	 /s/ Wayne D. Hillock

	 Name:
	 	 Wayne D. Hillock

	 Title:
	 	 SVP

	
	 CONGRESS FINANCIAL CORP.

		
	 By:
	 	 /s/ Thomas A. Martin

	 Name:
	 	 Thomas A. Martin

	 Title:
	 	 Vice President

  

 [SIGNATURE PAGE TO AMENDMENT NO. 1 TO TNLP CREDIT AGREEMENT] 

			
	 GENERAL ELECTRIC CAPITAL CORPORATION

		
	 By:
	 	 /s/ Glenn Campbell

	 Name:
	 	 Glenn Campbell

	 Title:
	 	 Duly Authorized Signatory

	
	 NATIONAL CITY BUSINESS CREDIT,
INC.

		
	 By:
	 	 /s/ Thomas J. Evans

	 Name:
	 	 Thomas J. Evans

	 Title:
	 	 Senior Associate

	
	 STATE OF CALIFORNIA PUBLIC EMPLOYEES’
RETIREMENT SYSTEM

		
	 By:
	 	  

	 Name:
	 	 
	 Title:
	 	 

  

 [SIGNATURE PAGE TO AMENDMENT NO. 1 TO TNLP CREDIT AGREEMENT] 

 CONSENT OF GUARANTORS 
  
 Dated as of July 29,
2005                     
  
 Each of the undersigned companies, as a Guarantor under the Guaranty dated December 21, 2004 (the “Guaranty”) in favor of the
Secured Parties under the Credit Agreement referred to in the foregoing Amendment, hereby consents to such Amendment and hereby confirms and agrees that notwithstanding the effectiveness of such Amendment, the Guaranty is, and shall continue to be,
in full force and effect and is hereby ratified and confirmed in all respects, except that, on and after the effectiveness of such Amendment, each reference in the Guaranty to the “Credit Agreement”, “thereunder”,
“thereof” or words of like import shall mean and be a reference to the Credit Agreement, as amended by such Amendment. 
  
 [Signature pages follow] 
  

 [SIGNATURE PAGE TO AMENDMENT NO. 1 TO TNLP CREDIT AGREEMENT] 

 IN WITNESS WHEREOF, the parties hereto have consented to this Amendment, as of the date first written
above. 
  

			
	 TERRA NITROGEN, LIMITED PARTNERSHIP

	 BY: TERRA NITROGEN CORPORATION

	 ITS: GENERAL PARTNER

		
	 By:
	 	 /s/ Mark A. Kalafut

	 Name:
	 	 Mark A. Kalafut

	 Title:
	 	 Vice President

	
	 TERRA NITROGEN COMPANY, L.P.

	 BY: TERRA NITROGEN CORPORATION

	 ITS: GENERAL PARTNER

		
	 By:
	 	 /s/ Mark A. Kalafut

	 Name:
	 	 Mark A. Kalafut

	 Title:
	 	 Vice President

	
	 TERRA CAPITAL, INC.

	 TERRA MISSISSIPPI HOLDINGS CORPORATION (F/K/A MISSISSIPPI CHEMICAL CORPORATION)

	 TERRA INDUSTRIES INC.

	 TERRA CAPITAL HOLDINGS, INC.

	 TERRA NITROGEN CORPORATION

	 TERRA INTERNATIONAL, INC.

	 TERRA INTERNATIONAL (OKLAHOMA) INC.

	 PORT NEAL CORPORATION

	 TERRA METHANOL CORPORATION

	 BMC HOLDINGS INC.

	 BEAUMONT HOLDINGS CORPORATION

	 TERRA REAL ESTATE CORPORATION

	 BEAUMONT AMMONIA INC.

	 TERRA MISSISSIPPI NITROGEN, INC. (F/K/A MISSISSIPPI NITROGEN, INC.)

	 MISSCHEM NITROGEN, L.L.C.

	 TERRA HOUSTON AMMONIA, INC. (F/K/A MISSISSIPPI CHEMICAL MANAGEMENT COMPANY)

	 MELAMINE CHEMICALS, INC.

		
	 By:
	 	 /s/ Mark A. Kalafut

	 Name:
	 	 Mark A. Kalafut

	 Title:
	 	 Vice President

  

 [SIGNATURE PAGE TO AMENDMENT NO. 1 TO TNLP CREDIT AGREEMENT] 

			
	TERRA (U.K.) HOLDINGS INC.
		
	By:	 	 /s/ W. Mark Rosenbury

	Name:	 	W. Mark Rosenbury
	Title:	 	Director-

  

 [SIGNATURE PAGE TO AMENDMENT NO. 1 TO TNLP CREDIT AGREEMENT]Ammonium Nitrate Supply Agreement

 Exhibit 10.7 
  
 Execution Version 
  
 AMMONIUM NITRATE SUPPLY AGREEMENT 
  
 By and Between 
  
 TERRA MISSISSIPPI NITROGEN, INC. 
  
 And 
  
 ORICA USA INC. 

 
 Dated July 21, 2005 

 TABLE OF CONTENTS 
  

					
	 I.
	  	DEFINITIONS	  	3
			
	 II.
	  	TERM	  	9
			
	 III.
	  	QUANTITY AND EXCLUSIVITY	  	10
			
	 IV.
	  	QUALITY	  	13
			
	 V.
	  	WARRANTIES	  	14
			
	 VI.
	  	PRICE	  	14
			
	 VII.
	  	INVOICING AND PAYMENT	  	22
			
	 VIII.
	  	DELIVERY	  	23
			
	 IX.
	  	INDEMNIFICATION	  	25
			
	 X.
	  	TAXES	  	29
			
	 XI.
	  	EVENT OF FORCE MAJEURE	  	29
			
	 XII.
	  	REVIEW MEETINGS: REPORTING	  	30
			
	 XIII.
	  	HARDSHIP	  	30
			
	 XIV.
	  	TERMINATION	  	30
			
	 XV.
	  	RIGHTS NOT WAIVED	  	31
			
	 XVI.
	  	NOTICES	  	32
			
	 XVII.
	  	ASSIGNMENT	  	32
			
	 XVIII.
	  	INDEPENDENT CONTRACTOR	  	33
			
	 XIX.
	  	NON-COMPETITION	  	33
			
	 XX.
	  	#2 PRILLING PLANT CONVERSION	  	35
			
	 XXI.
	  	AUDIT RIGHT	  	36
			
	 XXII.
	  	ENTIRE AGREEMENT/AMENDMENT	  	37
			
	 XXIII.
	  	CONFIDENTIALITY	  	37
			
	 XXIV.
	  	SECTION HEADINGS	  	38
			
	 XXV.
	  	LEGAL COMPLIANCE	  	38
			
	 XXVI.
	  	DISPUTE RESOLUTION	  	38
			
	 XXVII.
	  	GOVERNING LAW	  	39

  

 2 

 Portions of this Exhibit were omitted and filed separately with the Securities and Exchange Commission
pursuant to a request for confidential treatment. Such portions are marked by a series of asterisks. 
  
 AMMONIUM NITRATE SUPPLY AGREEMENT 
  
 THIS AMMONIUM NITRATE SUPPLY AGREEMENT is entered into on July 21, 2005 but effective as of the Effective Date (as hereinafter defined) by and
between Terra Mississippi Nitrogen, Inc. (“Seller”), a Delaware corporation with principal offices at 600 Fourth Street, Sioux City, Iowa 51101, and Orica USA Inc. (“Buyer”), a Delaware corporation with principal
offices at 33101 East Quincy Avenue, Watkins, Colorado 80137. 
  
 RECITALS 
  
 A. Seller is in the business
of manufacturing and selling agricultural and industrial products. 
  
 B. Seller currently manufactures and desires to sell to Buyer ANS (as defined below), and Buyer desires to purchase ANS from Seller, upon the terms and conditions described herein. 
  
 C. Buyer has agreed to provide the necessary process design to assist Seller
to convert Seller’s Facility (as defined below) to the production of IGAN (as defined below) and agreed to pay the Facility Fee (as defined below) to reimburse Seller for the costs of such conversion. 
  
 D. Upon completion of the Conversion Project (as defined below), Seller
desires to sell, and Buyer desires to purchase, IGAN, upon the terms and conditions described herein. 
  
 AGREEMENT 
  
 NOW, THEREFORE, in consideration of the mutual covenants, promises, and agreements contained herein, Seller and Buyer agree as follows: 
  
 I. DEFINITIONS 
  
 Whenever used in this Agreement, the following terms shall have the following respective meanings (such terms to be applicable equally to the singular as
well as the plural forms of the terms defined): 
  
 “#2
IGAN Project” shall have the meaning set forth in Article XX of this Agreement. 
  

 3 

 “Additional Capacity” shall have the meaning set forth in Section III.D of this
Agreement. 
  
 “Affected Party” shall have the
meaning set forth in Section XIII.A of this Agreement. 
  
 “Affiliated Company” shall have the meaning set forth in Section XVII of this Agreement. 
  
 “AGAN” shall mean agricultural grade ammonium nitrate. 
  
 “Agreement” shall mean this Ammonium Nitrate Supply Agreement, and any Schedules or Exhibits hereto, as the
same may be amended from time to time in accordance with the provisions set forth herein. 
  
 “ANS” shall mean ammonium nitrate solution meeting the Specifications. 
  
 “ANS Throughput Fee” shall have the meaning set forth in Section VI.E. of this Agreement. 
  
 “Annual Reserved Capacity” shall mean, for Contract Years
commencing in *** and thereafter, ***% of Buyer’s actual purchases of Shipped ANS and IGAN during the preceding Contract Year, but in no event to exceed *** Tons for Shipped ANS and ***Tons for IGAN. 
  
 “Base Reserved Capacity” shall mean (i) for IGAN, ***
Tons; and (ii) for Shipped ANS, *** Tons (of which ***Tons shall be Tranche 1 Shipped ANS and *** Tons shall be Tranche 2 Shipped ANS). 
  
 “Buyer” shall have the meaning set forth in the introductory paragraph to this Agreement. 
  
 “Buyer Indemnitees” shall have the meaning set forth in
Section IX.A. of this Agreement. 
  
 “Claim”
shall mean any action, suit, proceeding, hearing, investigation, audit, litigation, charge, complaint, claim, or demand by any Person. 
  
 “Commercial Explosives” shall mean explosives and related products and services used in mining, quarrying, construction, seismic and
related applications. 
  
 “Commissioned” or
“Commissioning” shall mean the first business day after which the last of all of the following have occurred: (a) all materials, supplies, goods, tools, machinery and equipment comprising the converted Facility have been
constructed, erected, installed, inspected and tested in accordance with the Project Definition and the design and engineering documents created by Seller based on the Project Definition, both as subsequently amended by mutual 

  

 4 

 
agreement, and the converted Facility has been tied in to Seller’s Plant, in each case to the extent necessary to permit the safe and sound startup and
operation of the converted Facility as a fully integrated system (but excluding correction of minor non-operational matters such as painting, signage and landscaping), (b) the converted Facility has been in reasonably continuous operation
(subject to storage limitations) and has produced at least an average daily volume of *** Tons of IGAN over a period of fourteen (14) consecutive days, as demonstrated by performance tests conducted by Seller, (c) Buyer has conducted
testing establishing to its satisfaction that the converted Facility is producing IGAN meeting the Specifications during the time period in subparagraph (b) above, (d) the Parties have executed a writing indicating their agreement that the
standards set forth in clauses (a) through (c) have been satisfied, and (e) Seller has obtained all Permits required by applicable Laws for operation of the Facility. 
  
 “Contract Year” shall mean, except for the Initial Contract Year, a period of twelve (12) consecutive
Months, commencing on January 1 and ending on December 31 of the same year. 
  
 “Conversion Agreement” shall mean that certain Conversion Agreement of even date herewith pursuant to which Seller has agreed to convert the Facility on the terms and conditions described therein.

  
 “Conversion Kit” shall mean the Drums,
pre-dryer conveyors, pre-dryer air preheaters, pre-dryer fan, dryer elevator, dryer air preheater, dryer fan, pre-cooler elevator, pre-cooler conveyers, and other machinery and equipment constructed and installed in the converted Facility pursuant
to the Project Definition. 
  
 “Conversion Kit
Proceeds” shall have the meaning set forth in Section VI.D.2. of this Agreement. 
  
 “Conversion Project” shall mean the conversion of the Facility for the manufacture of IGAN pursuant to and as further defined in the Conversion Agreement. 
  
 “Conversion Project Capital Budget” shall have the meaning
assigned it in the Conversion Agreement. 
  
 “Damages” shall mean any and all Claims, losses, liens, injuries to persons or property, and causes of action of every kind and character including strict liability claims and administrative law actions and orders,
including but not limited to, the amounts of judgments, fines, penalties, interest, court costs, investigation expenses, and costs and legal fees (including but not limited to attorneys’ and experts’ fees), but shall in no event, as
between or among Buyer, Buyer’s Indemnitees, Seller, and Seller’s Indemnitees, include special, indirect, consequential, punitive, exemplary or other similar damages, including Claims for lost profits, lost business opportunities or
business interruption. 
  

 5 

 “Delivery” or “Delivered” shall mean the point and at such time as the Product
reaches the Delivery Point. 
  
 “Delivery Point”
shall mean (i) for Shipped ANS, where the ANS loading pipe flange connects with Buyer’s or Nelson Brothers’ transportation equipment, and (ii) for IGAN, where the IGAN loading equipment enters Buyer’s or Nelson
Brothers’ transportation equipment. 
  
 “Effective
Date” shall mean the date upon which the converted Facility is Commissioned and Seller possesses the legal and physical capacity to provide IGAN and the related storage and loading services hereunder upon the terms and conditions described
herein, subject to Section II.B. hereof regarding the Facility Fee. 
  
 “Event of Force Majeure” shall mean any strike or other labor trouble, fire, flood, riot, war, embargo, accident, acts of God or terrorism, requisition or direction by Governmental or Regulatory Authority, priorities or
compliance with governmental action or any Law, shortage of essential materials or equipment, or any other circumstance beyond reasonable control of the obligee, whether similar to or dissimilar from the above enumerated causes. 
  
 “Expansion Capital Expenditure” shall mean budgeted capital
expenditure projects relating to the Facility during the Term which are used (i) to increase, or are intended to result in an increase in, the IGAN production capacity of the Facility beyond the capacity achieved by the Conversion Project, or
(ii) to improve, or are intended to result in an improvement in, the efficiency of the Facility beyond the efficiency achieved by the Conversion Project, or (iii) to enhance, or are intended to result in an enhancement of, the quality of
the IGAN produced at the Facility above the Specifications set forth in Exhibit B hereto. 
  
 “Facility” shall mean the #3 ammonium nitrate prilling plant, the #4 finishing train, the Storage Dome and associated loadout equipment within the Plant. 
  
 “Facility Fee” shall mean that portion of the Price for
IGAN to be paid by Buyer to Seller Monthly as set forth in Section VI.D.1. of this Agreement. 
  
 “Forecasts” shall have the meaning set forth in Section III.E. of this Agreement. 
  
 “Governmental or Regulatory Authority” means any court, tribunal, arbitrator, authority, agency, commission, official or other
instrumentality of the United States, any foreign country or any domestic or foreign state, county, city or other political subdivision. 
  

 6 

 “IGAN” shall mean industrial grade ammonium nitrate prills meeting the Specifications.

  
 “Indemnified Party” shall have the meaning
set forth in Section IX.C. of this Agreement. 
  
 “Indemnifying Party” shall have the meaning set forth in Section IX.C. of this Agreement. 
  
 “Initial Contract Year” shall mean the period from the Effective Date through the next succeeding December 31. 
  
 “Initial Term” shall have the meaning set forth in Section
II.A. of this Agreement. 
  
 “Laws” means all
laws, statutes, rules, regulations, ordinances and other pronouncements in effect on the date of this Agreement having the effect of law of the United States, any foreign country or any domestic or foreign state, county, city or other political
subdivision or of any Governmental or Regulatory Authority. 
  
 “Liability” or “Liabilities” means all Claims and Damages, regardless of whether any such Claims or Damages would be required to be disclosed on a balance sheet prepared in accordance with generally accepted
accounting principles or are known as of the Effective Date. 
  
 “Maintenance Expenditures” shall have the meaning set forth in Section VI.E.1. of this Agreement. 
  
 “Maintenance Budget” shall have the meaning set forth in Section VI.E.1. of this Agreement. 
  
 “Month” shall mean a calendar month. 
  
 “Nelson Brothers” shall mean Nelson Brothers, LLC, a joint
venture between Buyer and Nelson Brothers Management Services, Inc. 
  
 “Non-Affected Party” shall have the meaning set forth in Section XIII.A of this Agreement. 
  
 “Notice of Claim” shall have the meaning set forth in Article IX hereof. 
  
 “Order” means any writ, judgment, judicial decision, decree, injunction or similar order of any
Governmental or Regulatory Authority (in each such case whether preliminary or final). 
  
 “Output” shall have the meaning set forth in Article XX of this Agreement. 
  

 7 

 “Party” means Buyer or Seller, as the case may be, and “Parties” shall,
unless the context dictates otherwise, mean Buyer and Seller collectively. 
  
 “Permit” shall mean means any permit, license, exemption, action, certificate of authority, authorization, approval, or registration issued by or required to be issued by a Governmental or Regulatory
Authority in connection with ownership or operation of the Facility. 
  
 “Person” shall mean any natural person, corporation, limited liability company, general partnership, limited partnership, proprietorship, other business organization, trust, union, association or Governmental or Regulatory
Authority. 
  
 “Permitted Successor or Assign”
shall have the meaning set forth in Section XVII of this Agreement. 
  
 “Plant” shall mean Seller’s ammonia, nitric acid, ANS, AGAN, and urea ammonium nitrate solution manufacturing facility and site located in Yazoo County, Mississippi. 
  
 “PPI” shall mean the U.S. Department of Labor, Bureau of
Labor Statistics, Producer Price Index Finished Goods/Less Food and Energy for the most recent Contract Year. 
  
 “PPI Base” shall mean the PPI for Contract Year 2008. 
  
 “Price” shall mean the purchase price per Ton of IGAN and of Shipped ANS (divided between Tranche 1 Shipped
ANS and Tranche 2 Shipped ANS), as set forth in Section VI of this Agreement. 
  
 “Products” shall mean IGAN and Shipped ANS. 
  
 “Project Definition” shall mean the document prepared by Buyer and agreed to by Seller entitled “Project South Project Definition” (No. EN2364 – PD – 001 (Rev F), which
incorporates the Process Design (as defined in the Conversion Agreement) and which Seller shall use a basis for carrying out the Conversion Work (as defined in the Conversion Agreement) and completing the Conversion Project (as defined in the
Conversion Agreement). 
  
 “Quarter” shall mean
a calendar quarter. 
  
 “Related Agreements”
means this Agreement, the Conversion Agreement and the Interim Supply Agreement dated July 21, 2005 between the Parties. 
  
 “Scales” shall have the meaning set forth in Section III.F. of this Agreement. 
  
 “Seller” shall have the meaning set forth in the
introductory paragraph to this Agreement. 
  

 8 

 “Seller’s Blue Book” shall mean Seller’s Monthly ****************** report, by
product, for each plant or other facility comprising the Plant. 
  
 “Seller Indemnitees” shall have the meaning set forth in Section IX.B. of this Agreement. 
  
 “Shipped ANS” shall mean ANS that meets Specifications for Delivery to Buyer and Buyer’s customers in such form. For purposes of
determining the Price for Shipped ANS, Shipped ANS shall be divided between “Tranche 1 Shipped ANS” (as shipped to Orica) and “Tranche 2 Shipped ANS” (as shipped to Nelson Brothers). 
  
 “Side Letter Agreement” means the letter agreement between
the Parties and other Persons dated July 21, 2005 regarding the capital for the Conversion Project. 
  
 “Specifications” shall mean the specifications as set forth in Exhibit B, attached to this Agreement. For purposes of this
definition, Tranche 1 Shipped ANS and Tranche 2 Shipped ANS shall have the same Specifications. 
  
 “Storage Dome” shall mean Seller’s storage dome at the Plant which is capable upon Commissioning of storing approximately 3,600 Tons
of IGAN, based upon Buyer’s storage pile height recommendation. 
  
 “Term” shall have the meaning set forth in Section II.A. of this Agreement. 
  
 “Territory” shall mean the United States of America, Canada, and Mexico. 
  
 “Ton” shall mean a short ton of two thousand (2,000) pounds avoirdupois. 
  
 “Tranche 1 Shipped ANS” shall have the meaning set forth in
the definition of Shipped ANS herein. 
  
 “Tranche 2
Shipped ANS” shall have the meaning set forth in the definition of Shipped ANS herein. 
  
 “True-Up Date” shall have the meaning set forth in Section VII.D. hereof. 
  
 II. TERM 
  

	 	A.	 Subject to paragraph B below, this Agreement shall continue in force and effect for an initial term commencing on the Effective Date and ending on December 31,
2016 (the “Initial Term”). Either Party shall have the right to terminate this Agreement effective at the end of the Initial Term by giving the other Party notice by December 31, *** of its intention to so terminate. If neither
Party gives notice by December 31, ***, the Agreement shall automatically be extended to December 31, 

  

 9 

	 	 
***; and if neither Party gives notice by December 31, ***, the Agreement shall automatically be extended to December 31, ***; and thereafter
mutatis mutandis on an every **-years basis. The Initial Term and any extension thereof shall be referred to in this Agreement as the “Term.” 

  

	 	B.	Notwithstanding Section II.A. hereof, this Agreement shall nevertheless be effective from and after the date of its execution solely to govern Buyer’s obligations in respect of
the Facility Fee as more particularly described in Section VI.D. hereof. 

  
 III. QUANTITY AND EXCLUSIVITY 
  

	 	A.	For Contract Years through ***, Seller shall make available to Buyer Products up to the Base Reserved Capacity. Buyer shall have the exclusive right, but not the obligation, to
purchase and take delivery of Products up to the Base Reserved Capacity through Contract Year ***. 

  

	 	B.	For Contract Years commencing in ***, Seller shall make available to Buyer Products up to the Annual Reserved Capacity. Buyer shall have the exclusive right, but not the obligation,
to purchase and take delivery of Products up to the Annual Reserved Capacity. The exclusivity provisions of this Section III.B shall continue in force and effect through the end of Contract Year *** and thereafter during all subsequent Contract
Years unless and until the occurrence of the following: 

  

	 	1.	Subject to Seller’s election not to supply the ************ Tons of IGAN as more fully described in Section VI.A.2. of this Agreement, in which case Buyer shall for purposes of
this Section III.B.1. be deemed to have purchased and receive a credit for such Tons, if Buyer ********* have not purchased an aggregate of ****** Tons of Products from the Effective Date through the end of Contract Year ***, which quantity
shall be pro-rated as to IGAN only (and not ANS) in the event and to the extent the Effective Date is later than ****************, Seller shall have the right, but not the obligation, to give Buyer notice in ****** of Seller’s intention to
terminate, effective *********, ****** Buyer’s exclusive right to purchase the Products. If Seller has timely delivered such notice and if Buyer **************** do not purchase an aggregate of at least *** Tons of Products in Contract Year
***, Buyer shall no longer have the exclusive right to purchase Products in Contract Year *** or thereafter. If Buyer *************** do purchase an aggregate of at least *** Tons of Products in Contract Year ***, then Buyer shall retain the
exclusive right to purchase Products in Contract Year ***, and such Seller’s notice shall become null and void. 

  

 10 

	 	2.	Subject to Seller’s election not to supply the *********Tons of IGAN as more fully described in Section VI.A.II of this Agreement, in which case Buyer shall for purposes of
this Section III.B.2. be deemed to have purchased and receive a credit for such Tons, if Buyer ********* have not purchased an aggregate of ****** Tons of Products in Contract Year *** or any subsequent Contract Year, Seller shall have the
right, but not the obligation, to give Buyer notice in ****** of the succeeding Contract Year of Seller’s intention to terminate Buyer’s exclusive right to purchase the Products during the Contract Year following the year in which notice
is given. If Seller has timely delivered such notice and if Buyer ********* do not purchase an aggregate of at least ****** Tons of Products in the Contract Year in which notice is given, Buyer shall no longer have the exclusive right to purchase
the Products in the Contract Year following the year in which notice is given or thereafter. If Buyer **************** do purchase an aggregate of at least ****** Tons of Products in the Contract Year in which notice is given, then Buyer shall
retain the exclusive right to purchase Products in the Contract Year following the year in which notice is given, and such Seller’s notice shall become null and void. 

  

	 	C.	In the event that Buyer’s exclusive right to purchase Products is no longer applicable as a result of the operation of Paragraph B. above, this Agreement shall nevertheless
continue in full force and effect on the following basis: 

  

	 	1.	The Price shall continue to be calculated as described herein; 

  

	 	2.	The Annual Reserved Capacity shall continue to be calculated as described herein; 

  

	 	3.	Subject to and after making available the Annual Reserved Capacity to Buyer and subject to subparagraph III.C.4. below as to IGAN, Seller shall be entitled to sell Products and
AGAN for use in Commercial Explosives applications in the Territory; and 

  

	 	4.	Subject to and after making available the *********************** to Buyer, Seller shall be entitled to use any ********************** at the Facility to produce IGAN for
***************, in which event (i) ********** of operating the Facility as provided herein, and (ii) *************************************************** 

  

 11 

	 	D.	In the event that, during any Contract Year, Buyer requires Products in excess of the Base Reserved Capacity or the Annual Reserved Capacity (as applicable, the “Additional
Capacity”), and such Additional Capacity is available at the Plant, Seller may, at its option, make available such Additional Capacity to Buyer at either the Price or on price terms otherwise agreed to by the Parties.

  

	 	E.	Beginning on the Effective Date and thereafter on or before the seventh business day of each Month during the Term, Buyer will provide Seller with a rolling 120-day forecast of the
requirements of Buyer for each Product (the “Forecasts”). The Parties agree that the Forecasts are estimates only, and that Buyer shall not be obligated to purchase the quantity of Products set forth in any Forecast. Buyer’s
annual Forecast for the Initial Contract Year is ****** Tons of Shipped ANS and ****** Tons of IGAN, which quantity shall be pro-rated as to IGAN only (and not ANS) in the event the Effective Date is later than ********* Buyer’s annual Forecast
for Contract Year *** is ****** Tons of Shipped ANS and ****** Tons of IGAN. Buyer’s annual Forecast for Contract Year *** is ****** Tons of Shipped ANS and ****** Tons of IGAN. 

  

	 	F.	Seller shall install, own and operate scales and other measurement facilities (the “Scales”) in order to measure the Tons of Product delivered by Seller to Buyer
under this Agreement. Such Scales shall include without limitation: 

  

	 	1.	Scales suitable to determine the weights of rail and truck shipments of ANS and IGAN; and 

  

	 	2.	Laboratory and analytical services and facilities capable of performing all necessary quality control methods and procedures, including scale calibration. 

 
 Seller shall calibrate the Scales as required for state certification by
applicable Mississippi law, and shall maintain and repair the Scales in accordance with the state of Mississippi repair and maintenance standards and laws for such Scales. All Scales shall be open to inspection by Buyer at all reasonable times. In
the event either Party disputes the accuracy of any measurement taken by all or any one of the Scales, such Scales shall be tested by an independent testing agency mutually acceptable to the Parties. The expense of any such test shall be borne by
the Buyer; provided that, if such independent test demonstrates that the measurements taken by the Scales are less than 99% accurate on average, then (i) the costs of the independent test shall be borne by Seller and (ii) the Scales
shall be recalibrated to the standard required for state of Mississippi certification as soon as reasonably possible. The settlement of any discrepancy in Price paid as a result of inaccurate measurements shall 

  

 13 

 
be made on the immediately succeeding invoice. If the Parties are unable to ascertain when the inaccuracy commenced, the inaccuracy will be deemed to have
commenced on a date which is halfway between the date of the last recalibration and the date of the calibration which revealed the inaccuracy. 
  

	 	G.	At all times during the Term, the Buyer shall have the right to request Seller to utilize the full storage capacity of the Storage Dome to store IGAN produced at the Facility for
delivery and sale to Buyer, provided that if Buyer loses exclusivity under Section III.B. hereof, then the storage capacity in the Storage Dome shall also be available for Seller’s use. 

  

	 	H.	Notwithstanding the foregoing in this Article III and references to sales to Nelson Brothers in this Agreement, the exclusivity rights granted hereunder by Seller are specific as to
Buyer. Seller shall have no exclusivity obligation to Nelson Brothers and the Parties agree that Nelson Brothers is not intended to be a third-party beneficiary to this Agreement. 

  
 IV. QUALITY 
  

	 	A.	All Products Delivered shall conform to the Specifications. All claims by Buyer that any Product Delivered hereunder does not conform to the Specifications shall be made within
forty-five (45) days of Delivery of such Product. Except with respect to claims based on Seller’s breach of its representations or warranties under Section V.(ii). as to title, failure to give notice of such claim within the specified time
shall constitute a waiver of such claim. 

  

	 	B.	In the event that any Products Delivered do not conform to the Specifications, Seller shall, at Buyer’s option, either (i) Deliver to the location where the nonconformance
was identified equivalent quantities of conforming Products as promptly as practical at Seller’s expense, or (ii) refund the Price paid by Buyer for the nonconforming Products and any transportation and handling costs incurred by Buyer
prior to determination of the nonconformance. In both cases Seller shall reimburse to Buyer all costs incurred by Buyer to dispose of nonconforming Products provided however that Buyer shall make all reasonable efforts to cooperate with Seller to
minimize such disposal costs. The foregoing remedies are not exclusive and, except as expressly provided to the contrary herein, Buyer shall be entitled to all rights and remedies otherwise available to it under applicable law.

  

	 	C.	Buyer and Seller shall mutually agree on any IGAN additives or coatings. 

  

 13 

 V. WARRANTIES 
  
 Seller represents and warrants that (i) at the time of Delivery to the Delivery Point, the Products will conform to Specifications, and
(ii) Seller will convey good and marketable title to the Products, free and clear of any and all liens, mortgages, security interests, charges or other encumbrances. EXCEPT AS SET FORTH IN THIS AGREEMENT, SELLER ASSUMES NO OTHER LIABILITY WITH
RESPECT TO PRODUCT AND MAKES NO OTHER WARRANTY WHETHER OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR OTHERWISE, EXPRESSED OR IMPLIED, WITH RESPECT THERETO. 
  
 VI. PRICE 
  

	 	A.	The Price of the Products shall be calculated as follows: 

  

	 	1.	ANS: 

  

	 	a.	For Tranche # 1 ANS shall be the sum of: 

  

	 	i.	the annual *************************************** as determined by the “Ammonia Based Version” of “Yazoo City AN Synthesis” in Seller’s Blue Book,
including, once Seller has fully recovered its investment, if any, to achieve such efficiencies, any and all efficiency improvements at the Plant such as, but not limited to, changes in the Seller’s costs to purchase and deliver natural gas by
pipeline to the Plant, except that fixed costs may be limited by this Subsection VI. A. 1. a., plus 

  

	 	ii.	the annual *************************************** of “Turnaround Amortization” in Seller’s Blue Book, plus 

  

	 	iii.	the annual *************************************** of “Catalyst Amortization, Excluding Fabrication” in Seller’s Blue Book, plus 

  

	 	iv.	a markup to Seller equal to **************************************************, plus 

  

	 	v.	the annual *************************************** of “Depreciation” in Seller’s Blue Book, not to exceed *** per Ton of ANS. 

  

 14 

 The annual ****************************************** component of the ****************** of ANS
applicable to and payable by Buyer shall not, when multiplied by the actual annual Quantity of ANS for Contract Year ***, exceed *** (****** Tons / ****** Tons – to be proportionately reduced if and to the extent the Effective Date is later
than *********) of the annual *************************************** for “Yazoo City AN Synthesis”. The corresponding figures in Contract Year *** would be *** (****** Tons / ****** Tons) and in subsequent Contract Years *** (****** Tons
/ ****** Tons) based on Buyer’s Forecasts in Section III.E. hereof, which Forecasts are subject to change as provided therein. 
  

	 	b.	For Tranche # 2 ANS shall be, for the period through Calendar Year *** and thereafter (unless Seller provides Buyer with ********* prior written notice to terminate this pricing for
Tranche #2 ANS), ****** per Ton of ANS, based upon a “burner tip” cost of natural gas at the Plant of *** per mmbtu (calculated as a NYMEX Henry Hub natural gas price of *** per mmbtu plus *** per mmbtu pipeline delivery cost). Prior to
such termination notice, such Price shall be adjusted ****** by a natural gas into ANS usage factor of *** multiplied by the difference between *** per mmbtu and Index price, in dollars per mmbtu, indicated under ************ example, the ******
price equals ****** per mmbtu. If Seller provides Buyer with ****** prior written notice to terminate this pricing calculation for Tranche # 2 ANS, such notice not to be effective earlier than *********, then the Tranche # 2 ANS Price will no longer
be in effect as of the effective date of such notice and the Tranche # 2 ANS Price will thereafter be the same as the Tranche # 1 ANS Price. The Tranche # 2 ANS Price shall not, at any time or under any circumstance, exceed the then applicable
Tranche # 1 ANS Price. 

  

	 	2.	IGAN: 

  

	 	a.	For ************ Tons per year, shall be the sum of: 

  

	 	i.	the sum of **********************************************************, plus  

  

	 	ii.	a markup to Seller equal to the sum calculated pursuant to Section VI. A. 2. a. i. above***************** ***************************************************:

  

 15 

			
	 Contract Years 2006 and 2007
	  	*********************************
	 Contract Years 2008 and 2009
	  	*********************************
	 Contract Years 2010 and 2011
	  	*********************************
	 Contract Years 2012 and 2013
	  	********************************* ****************************
	 Contract Years 2014 and thereafter
	  	********************************* ****************************

  
 For purposes of the
*** adjustment referenced above, for Contract Years *** and ***, the ****** mark-up to Seller will be calculated as follows: ********* ***. For Contract Years *** and beyond, the ****** mark-up to Seller will be calculated as follows:
***************. For example, in ***, the ****** mark-up to Seller would be calculated as follows: ******************************************* ****************************************************. In Contract Year ***, the *** from *** would
determine the ****** with the same pattern for each succeeding Contract Year; plus 
  

	 	iii.	the annual ***************************************** of “Depreciation” in Seller’s Blue Book, not to exceed *** per Ton of ANS, 

  
 the sum of the costs determined pursuant to Sections VI. A. 2. a. i.,
ii. and iii. above then ********* 
  

	 	iv.	the actual annual ANS into IGAN usage factor in Tons of ANS per Ton of IGAN, as determined in Seller’s Blue Book, plus 

  

	 	v.	the annual *************************************** in Seller’s Blue Book, plus 

  

	 	vi.	 the annual *************************************** for the Facility, as determined in Seller’s Blue Book; with the exceptions being that (A) during
Contract Years *** and ***, the annual *********** ************************ shall be calculated on the basis that the Buyer bears, during Contract Year ***, not more than *** (****** Tons / ****** Tons 

  

 16 

	 	 
– to be proportionately reduced if and to the extent the Effective Date is later than ******) of the annual ******************************************
for the Facility and, during Contract Year ******** (****** Tons / ****** Tons) of the annual ************************************************* for the Facility, and (B) commencing in Contract Year *** and in subsequent Contract Years, Buyer
shall bear the annual ******************************************** for the Facility, provided however that Seller shall bear a proportionate share of the annual ***************************** for the Facility if the Seller manufactures for its own
account and sale AGAN ********* by using the Facility; and 

  

	 	b.	for the ****** Tons per year shall be, at Buyer’s option, either: 

  

	 	i.	the same Price as calculated in Section VI. A. 2. a. above, or 

  

	 	ii.	a Price as otherwise negotiated on a case-by-case basis by Seller and Buyer, in which event Buyer shall present to Seller ******************, and Seller shall have the option to
************************ *********. If Seller ************************** ********* presented by Buyer, then Seller shall bear a proportionate share of the annual “Actual – Total Spending” of the “Total - Fixed Costs (Cash
Only)” for the Facility, attributable to the *************** ************ by Seller, calculated based on the ratio that the Tons of IGAN represented by the ********* ****** by Seller bears to 260,000 Tons, provided that Seller shall not bear
such proportionate share of the annual “Actual – Total Spending” of the “Total - Fixed Costs (Cash Only)” for the Facility, attributable to the *************** by Seller, if the Price of IGAN required by Buyer to realize
such opportunity would result in Seller receiving ****************** ****** such IGAN. 

  

	 	B.	IMPORTED AMMONIA: 

  
 In the event that Seller elects to idle the ammonia production plant at its Plant, or is otherwise unable to produce ammonia at its Plant, and procures
ammonia supplied from another source or sources in connection with the manufacture of ANS and IGAN for Buyer, then such ammonia shall be factored into ANS and IGAN Prices as follows. 
  

 17 

	 	1.	Affililate Ammonia. If any such ammonia is supplied from one or more of Seller’s Affiliated Company’s North American ammonia production facilities, then the ammonia will
be factored into such ANS and IGAN Prices at ****************************************************************************************** *********************************************************************************. 

  

	 	2.	Non-Affiliate North American Ammonia. If any such ammonia is supplied from a non-Affiliate North American source, then the ammonia will be factored into such ANS and IGAN Prices at
the actual price paid by Seller to purchase the ammonia and have it delivered to the Plant. 

  

	 	3.	Non-North American Ammonia. If any such ammonia is supplied from offshore sources (that is, non-North American manufactured ammonia), then such ammonia shall be factored into such
ANS and IGAN Prices ****************** ***********************************************************************************************. For purposes of clarity, Seller’s ****** cost for imported ammonia shall be deemed to include, without
limitation, any importation charges and terminal throughput charges. 

  

	 	4.	North American and Non-North American Sources. If any such ammonia is supplied from both North American and Non-North American sources, then such ammonia will be factored into ANS
and IGAN Prices at the ******** in 1. above, or the actual price paid in 2. *** above, by Seller to purchase the ammonia and have it delivered to the Plant based upon Seller’s ****** accounting with respect to such ammonia.

  

	 	C.	FIRM-PRICED AMMONIA: 

  

	 	1.	Buyer shall have the right to request, upon reasonable notice to Seller and subject to Seller’s natural gas hedging policy and credit limitations in effect at the time of said
notice, that Seller make firm for a period of time, not less than ********* and not more than *********, the cost of a quantity of natural gas used in the manufacture of the Products, such that the natural gas component of the ANS Price and/or IGAN
Price, as the case may be, likewise be made firm for the same period of time and, after taking into account the actual usage factors involved in the manufacturing processes, in the same amount. 

  

	 	2.	 If Buyer exercises such right and Seller purchases such natural gas on a firm basis, Buyer shall purchase from Seller the ANS and/or IGAN which corresponds to such
natural gas purchases, unless 

  

 18 

	 	 
Seller is unable to manufacture such ANS and/or IGAN in which case, except to the extent Buyer otherwise directs, Seller will liquidate the natural gas
position and the gains or losses resulting from said liquidation shall be for Buyer’s account. 

  

	 	3.	Buyer shall pay all transaction costs associated with the hedging activities described in this Section VI.C. 

  

	 	D.	FACILITY FEE: 

  

	 	1.	Seller shall provide the capital funding for the Conversion Project, in accordance with the Conversion Project Capital Budget, and Buyer shall, in addition to payment for ANS, IGAN
and Maintenance and Capital Expenditures as provided for in this Article, repay, in equal Monthly installments, such capital amount with interest at an annual interest rate of *** (such amount plus such interest, the “Facility
Fee”). The principal portion of the Facility Fee shall include all engineering, procurement, construction, erection, installation and Commissioning work, services, equipment, machinery and materials costs actually incurred by Seller or
Buyer and paid by Seller prior to the Effective Date hereof or to be paid by Seller in the ordinary course after the Effective Date directly in connection with the Conversion Project. Buyer shall begin making the Facility Fee payments on the earlier
to occur of Commissioning and ************. Buyer shall nominate, prior to the earlier to occur of Commissioning and ************, the length of the term over which the principal amount of the Facility Fee shall be repaid, such term not to be less
than ********* and nor more than ************. At any time during the nominated term, Buyer shall have the option to prepay the remaining unpaid balance of the principal amount and the unpaid interest accrued to the date of such payment on the
unpaid principal balance. 

  

	 	2.	 Buyer shall be responsible for payment of the Facility Fee attributable to the portion of the Conversion Project Capital Budget actually spent by Seller until all
principal and interest accrued and owing is repaid in full, regardless of whether the Facility is Commissioned, except in the events that (i) Buyer terminates the Conversion Agreement pursuant to Section 3.2 thereof, prior to the
Commissioning of the Facility by reason of Seller’s breach of that Agreement as finally determined under Article X thereof; (ii) the Facility cannot be Commissioned due to Seller’s negligence in the engineering, procurement,
construction, erection, installation or start-up of the Facility as finally determined under Article X of the Conversion Agreement; (iii) Buyer’s obligation to pay the Facility Fee is reduced pursuant to Section III.C.4. of this Agreement;
or 

  

 19 

	 	 
(iv) Buyer terminates this Agreement pursuant to (a) Section XI.B. hereof as a result of a Seller declaration of Event of Force Majeure, provided
that the Facility Fee shall be reduced in this instance (I) only if there is physical damage to the Conversion Kit and (II) only to the extent that Seller receives insurance proceeds attributable to the Conversion Kit, provided further,
that any deductible paid by Seller shall not reduce Buyer’s obligation with respect to the Facility Fee, provided further that Seller has made, and hereby covenants to make, all insurance claims available to it with respect to an Event
of Force Majeure that resulted in physical damage to the Conversion Kit (“Conversion Kit Proceeds”), provided further that Buyer shall continue to make the Facility Fee payments while any claim by Seller for Conversion Kit Proceeds
is pending, and provided further that any Conversion Kit Proceeds shall first be credited against the balance of the Facility Fee, if any, and any remaining balance of the Conversion Kit Proceeds shall then be paid to Buyer to the extent of
any Facility Fee payments made by Buyer since the date of the event giving rise to such Event of Force Majeure, (b) Section XIV.B.1.-3. hereof if Seller rejects this Agreement under the U.S. Bankruptcy Code or otherwise ceases performance
hereunder as a result of an event described therein, (c) Section XIV.B.4., subject to any payments Buyer may be obligated to make pursuant to Section 3.5(d) of the Conversion Agreement if Buyer exercises its right to purchase under said
Section, or (d) Section XVII. hereof. 

  

	 	E.	ANS THROUGHPUT FEE 

  
 In addition to payment of the Price for ANS set out in Section VI.A.1., and to reimburse Seller for its costs to construct new ANS storage and railcar
loading facilities at the Plant, Buyer shall also pay to Seller *** per Ton for each Ton of ANS supplied to Buyer under this Agreement on or after the Effective Date until the earlier of (i) Buyer has paid to Seller a total of ****** or
(ii) ****** years after the Effective Date, in which event Buyer shall on such date pay to Seller the difference between ****** and the amount paid to that date by Buyer. 
  

	 	F.	MAINTENANCE & CAPITAL EXPENDITURES: 

  

	 	1.	 Seller’s practice is to treat all safety, health & environment and maintenance expenses for the on-going operation of the Facility
(“Maintenance Expenditures”) as a fixed cost and such expenses will charged to Buyer as part of the ********************* described above. Seller shall propose, prior to October 1 of each Contract Year, an estimated annual
budget (the “Maintenance Budget”) for such Maintenance Expenditures at the Facility during 

  

 20 

	 	 
the following Contract Year based on Seller’s past experience in the operation of the Facility, including a reasonable contingency. Such Maintenance
Budget shall, to the extent known, outline the timing and amount for individual Maintenance Expenditures, the reasons therefore, their economic or other justification and any other relevant facts. Seller and Buyer shall discuss in good faith and
endeavor to agree a final Maintenance Budget within 90 days of the submission by Seller of the proposed Maintenance Budget, failing which said dispute shall be resolved in accordance with Article XXVI. hereof. 

  

	 	2.	Seller shall have the right to expend the Maintenance Budget without further consultation with Buyer; provided however that Seller (a) shall notify Buyer in advance of any
single expenditure, or series of related expenditures, which exceed $50,000, and (b) may not exceed such Budget without Buyer’s express written approval. Notwithstanding the foregoing, Seller shall be entitled to incur emergency expenses
for Buyer’s account which are necessary, in the good faith judgment of Seller, for the continued operation of the Facility in order to satisfy Seller’s IGAN sale obligations hereunder, including repairs, maintenance or other changes as may
be necessary for regulatory, health or safety reasons. If Seller determines that it will exceed the Maintenance Budget or incurs any emergency expenses, Seller shall notify Buyer within three (3) business days of such determination or incurring
such expense. 

  

	 	3.	Notwithstanding Paragraphs 1 and 2 above, Seller shall be responsible for, and shall not be entitled to recover from Buyer, the amount of any expense arising due to the negligence
of Seller, the Seller Indemnitees or Seller’s contractors or subcontractors. 

  

	 	4.	Seller shall annually establish a five (5) year capital plan for the Plant. To the extent that such capital plan relates to the Facility, Seller shall provide Buyer with
details of such plan. 

  

	 	5.	Buyer shall be responsible for the cost of any Expansion Capital Expenditure approved by Buyer and shall, as mutually agreed with Seller, either (a) pre-fund such Expenditure;
or (b) reimburse Seller for the amount of such Expenditure made by Seller (i) in accordance with Section VII.A. of this Agreement upon presentation of reasonably detailed supporting documentation, or (ii) if Seller agrees, through an
increase in the principal amount of the Facility Fee equal to the amount of the Expansion Capital Expenditure. 

  

 21 

	 	G.	STORAGE COSTS: 

  
 The Price shall include Seller’s cost to store ANS in Seller’s storage tanks and IGAN in the Storage Dome, weigh the Products on the Scales and
Deliver the Products to the Delivery Point. 
  

	 	H.	PRICE EXAMPLES: 

  
 The Examples set forth in Exhibit A hereto are provided for illustrative purposes only and are not intended to represent the actual Price Buyer will pay
Seller for the Products. 
  
 VII. INVOICING AND PAYMENT 
  

	 	A.	Shipped ANS will be billed by Seller to Buyer on a shipment-by-shipment basis (i.e., one invoice for each shipment). For billing purposes, the quantity of the shipment, on a
100% AN basis, shall be defined as the net weight of ANS in the rail car or truck trailer as determined by the Scales, and by the concentration of the Shipped ANS as determined by Seller’s standard analytical methods and procedures. The
quantity of the shipment, on a 100% basis, shall be the arithmetic result of the net weight multiplied by the concentration percentage (e.g., 40,000 pounds net weight multiplied by 83% AN concentration in the ANS equals 33,200 pounds of ANS,
100% AN basis, for billing purposes). 

  

	 	B.	IGAN will be billed by Seller to Buyer on a shipment-by-shipment basis (i.e., one invoice for each shipment). For billing purposes, the quantity of the shipment shall be
based on the net weight of IGAN in the rail car or truck trailer as determined by the Scales. 

  

	 	C.	Products shall be invoiced in accordance with Subsections VII.A. and B. at an estimated price (the “Interim Price”) and the difference between the Interim Price and
the Price shall be reconciled initially on a Quarterly basis and finally on a Contract Year basis as described in Subsection D. below. Seller and Buyer shall cooperate in good faith to mutually agree on the Interim Price prior to the start of each
Quarter. If Seller and Buyer cannot so mutually agree, then the Interim Price then being paid shall be the Interim Price for the following Quarter through the True-Up Date, after which date the Interim Price for the balance of such Quarter shall be
the trued-up Price for the immediately preceding Quarter. Each invoice will include the Price for Products purchased by Buyer and will separate the Price for Shipped ANS between Tranche 1 Shipped ANS and Tranche 2 Shipped ANS.

  

	 	D.	 No later than the thirtieth (30th) day following the end of each Quarter (the “True-Up Date”), Seller shall calculate and provide to Buyer an adjustment which reconciles the billings based upon the Interim Price to 

  

 22 

	 	 
the Price calculated based upon the year-to-date Seller’s Blue Book information as of the end of that Quarter, and Seller shall either issue a credit
memo or an invoice to the Buyer, as the case may be. Such adjustment and its invoicing will take into account adjustments, if any, made at the end of previous Quarters in that Contract Year. No later than the sixtieth (60th) day following the end of each Contract Year, Seller shall calculate and provide to Buyer an adjustment which reconciles
the billings based upon the Interim Price to the final Price calculated based upon the full Contract Year Seller’s Blue Book information, and Seller shall either issue a credit memo or invoice to Buyer, as the case may be.

  

	 	E.	Buyer will pay all amounts on each invoice on a net thirty (30) days basis from date of invoice, subject to Tranche 2 Shipped ANS described in Paragraph F. below and
disputed invoices. In the event that Buyer reasonably and in good faith disputes any invoice hereunder, Buyer shall so notify Seller within thirty (30) days from the date of the invoice, with notice to Seller of the reasons for such dispute and
Buyer shall pay the portion of such invoiced amount not so disputed. Buyer shall pay the disputed portion of the invoiced amount within seven (7) days of resolution of the dispute pursuant to Article XXVI. Buyer’s failure to pay the
disputed portion of any invoiced amount shall not be deemed a breach hereof. 

  

	 	F.	At Buyer’s request and direction, the Tranche 2 Shipped ANS will be ordered directly from Seller by Nelson Brothers, in which case Seller shall invoice Nelson Brothers for such
shipments as described in Section VII.A. above. In the event that Nelson Brothers does not remit payment to Seller in accordance with the terms of this Agreement, Buyer shall remit such payment within three (3) business days of receiving notice
from Seller that Nelson Brothers has failed to timely remit such payment. 

  
 VIII. DELIVERY 
  

	 	A.	Simultaneously with the delivery of each Forecast, Buyer shall provide to Seller its good faith estimate of the shipping schedule for the Delivery of Products during that the next
succeeding Month. Each such order will include (i) the amount of IGAN to be Delivered, and (ii) the amount of Shipped ANS to be Delivered, allocated between Tranche 1 Shipped ANS and Tranche 2 Shipped ANS. Subject to such variations as may
be necessitated by reason of an Event of Force Majeure as set out in Section XI., Seller shall Deliver the ordered Products, and Buyer shall take delivery of the ordered Products, at the applicable Delivery Point. Buyer shall promptly notify Seller
of any known or anticipated changes that will prevent Buyer from receiving such quantities of Product during any given Month. Buyer shall also use reasonable commercial efforts to purchase Products in equal Monthly quantities during each Contract
Year. 

  

 23 

	 	B.	Buyer shall provide all trucks and railcars necessary for the transportation of Products from the applicable Delivery Point. Unless otherwise agreed, Seller shall (i) deliver
all Products supplied hereunder into railcars or truck trailers supplied by Buyer, (ii) load Products into Buyer supplied railcars and release such railcars within three (3) days from the arrival of such railcars at Seller’s Plant,
and (iii) load Products into Buyer supplied trucks and release such trucks within the free loading period allowed by the carrier; provided, however, that such time frames shall be extended by any intervening weekend, holiday or Event of Force
Majeure. If Seller fails to comply with the foregoing, Seller shall reimburse Buyer, within thirty (30) days of receipt of Buyer’s invoice, for all demurrage and other out-of-pocket expenses incurred by Buyer resulting from such delay.
Buyer shall use commercially reasonable efforts to schedule railcars or trucks for loading at a rate that will permit Seller to load such railcars and trucks within the time frames set forth herein. Notwithstanding the foregoing in this Section
VIII.B., Buyer’s use of Seller’s trackage for railcars shall be limited to fifteen (15) cars at any one time and Seller’s obligation to make Delivery to Buyer shall be limited to ****** rail cars per day for ANS, *********) rail
cars per day for IGAN, ****** truck trailers per day for ANS, and ********* truck trailers per day for IGAN, and Seller shall not be responsible for any demurrage or other out-of-pocket costs incurred by Buyer due to Seller’s not loading
railcars or trucks in excess of the foregoing limits. All IGAN shipped via Buyer’s truck trailers shall be subject to Buyer’s compliance with Seller’s “Delivery Notification System”. Buyer
acknowledges receipt of Seller’s Delivery Notification System documentation and Seller agrees to provide Buyer with any amendments thereto. 

  

	 	C.	Buyer acknowledges that Seller does not currently have the capability to load IGAN into bags. If, after the date hereof, Buyer desires Seller to provide such services, it shall so
notify Seller in writing, and Seller shall install such bagging equipment at Buyer’s cost as promptly as reasonably practicable upon agreement of engineering design, provided that Seller shall have sole discretion as to placement of such
equipment. Seller shall not be obliged to provide manpower to operate the bagging equipment but shall use reasonable best efforts to provide such manpower or, if such efforts prove unsuccessful, assist Buyer to obtain services from a third party
supplier. Seller shall have the option to match any offer made by a third-party to provide manpower to operate the bagging equipment. If Seller provides bagging services in the absence of a third party offer, Seller’s out-of-pocket costs
associated with bagging the IGAN and Delivering it into Buyer’s transportation equipment, plus a commercially reasonable upcharge, shall be Buyer’s costs for such services, which shall be documented by written amendment hereto.

  

 24 

	 	D.	Title, custody and risk of loss for the Products shall pass from Seller to Buyer at the applicable Delivery Point. Seller shall, at Buyer’s expense, provide transportation
emergency response services to Buyer in the event an incident occurs prior to departure from the Plant of trucks and railcars loaded with Products. 

  
 IX. INDEMNIFICATION 
  

	 	A.	Seller agrees to be responsible for any Damages arising in connection with (i) Seller’s breach of any representation or warranty in this Agreement, (ii) Seller’s
failure to Deliver Product to Buyer at the applicable Delivery Point which meets Specifications, (iii) the storage of IGAN and ANS for, and Delivery of IGAN and ANS to, Buyer, (iv) any other default by Seller in the performance of its
covenants and agreements herein, (v) Seller’s operation of the Facility or the Plant or (vi) the negligence or willful misconduct of Seller’s employees and Seller’s agents or subcontractors, or any of their employees, in
each instance to the fullest extent permitted by law, and Seller hereby agrees to protect, defend, indemnify, and hold Buyer, its parent company, partners, subsidiaries and any other related or Affiliated Companies, and their respective directors,
officers, employees, attorneys-in-fact, agents, and Affiliated Companies, (collectively the “Buyer Indemnitees”) free and harmless from and against any and all such Damages incurred by any Buyer Indemnitee or arising in favor of any
governmental agencies, third parties, contractors or subcontractors, regardless of whether such Damages are to the Buyer Indemnitees, the employees or officers of either, or any other persons or entity. The duty to defend, protect, indemnify and
save the Buyer Indemnitees harmless referred to in the preceding sentence shall include, but not be limited to, Damages which result from the comparative, concurrent or contributing negligence of any person or entities including, but not limited to,
the Buyer Indemnitees, their agents, employees or officers. Notwithstanding the foregoing, Seller shall not be liable for Damages to the extent resulting from the breach of Buyer’s warranties or covenants herein or the negligence or willful
misconduct of the Buyer Indemnitees. Seller’s duty of indemnification shall survive the termination or expiration of this Agreement. Seller’s obligations under this Section IX.A. are guaranteed by Terra Industries Inc. pursuant to
that certain Continuing Guaranty of Terra Industries Inc. of even date herewith. 

  

	 	B.	 Buyer agrees to be responsible for any Damages arising in connection with (i) Buyer’s breach of any representation or warranty in this Agreement,
(ii) the default by Buyer in the performance of its covenants and agreements herein, (iii) following Delivery to Buyer or Nelson 

  

 25 

	 	 
Brothers at the applicable Delivery Point, the storage, handling, transportation, use, and sale of the Products, or (iv) the negligence or willful
misconduct of Buyer’s employees and Buyer’s agents or subcontractors, or any of their employees, in each instance to the fullest extent permitted by law, and Buyer hereby agrees to protect, defend, indemnify, and hold Seller, its parent
company, partners, subsidiaries and any other related or Affiliated Companies, and their respective directors, officers, employees, attorneys-in-fact, agents, and Affiliated Companies, (collectively the “Seller Indemnitees”) free
and harmless from and against any and all such Damages incurred by any Seller Indemnitee or arising in favor of any governmental agencies, third parties, contractors or subcontractors, regardless of whether such Damages are to the Seller
Indemnitees, the employees or officers of either or any other persons or entity. The duty to defend, protect, indemnify and save the Seller Indemnitees harmless referred to in the preceding sentence shall include, but not be limited to, Damages
which result from the comparative, concurrent or contributing negligence of any person or entities including, but not limited to, the Seller Indemnitees, their agents, employees or officers. Notwithstanding the foregoing, Buyer shall not be liable
for Damages to the extent resulting from the breach of Seller’s warranties or covenants herein or the negligence or willful misconduct of the Seller Indemnitees. Buyer’s duty of indemnification shall survive the termination or expiration
of this Agreement. Buyer’s obligations under this Section IX.B. are guaranteed by Orica Investments Pty. Ltd. pursuant to that certain Continuing Guaranty of Orica Investments Pty. Ltd. of even date herewith. Buyer hereby represents that Orica
Investments Pty. Ltd. is the direct wholly-owned subsidiary of Orica Limited and presently owns substantially all of the equity interests of Buyer’s non-Australian Affiliates. 

  

	 	C.	 IN NO EVENT SHALL EITHER SELLER OR BUYER BE LIABLE TO THE OTHER PARTY OR THE OTHER PARTY’S INDEMNITEES UNDER ANY PROVISION OF THIS AGREEMENT (INCLUDING,
WITHOUT LIMITATION, ANY INDEMNITY PROVISION HEREOF) FOR PUNITIVE, EXEMPLARY, CONSEQUENTIAL, INCIDENTAL, INDIRECT, OR SPECIAL DAMAGES IN TORT OR CONTRACT. FURTHERMORE, NEITHER SELLER NOR BUYER SHALL BE LIABLE TO THE OTHER PARTY OR THE OTHER
PARTY’S INDEMNITEES UNDER ANY PROVISION OF THIS AGREEMENT FOR LOST PROFITS, LOST BUSINESS OPPORTUNITIES OR BUSINESS INTERRUPTION. THE PRECEDING SENTENCES SHALL NOT BE CONSTRUED, HOWEVER, AS LIMITING THE OBLIGATION OF EITHER SELLER OR BUYER TO
INDEMNIFY THE OTHER PARTY OR THE OTHER PARTY’S INDEMNITEES AGAINST CLAIMS ASSERTED BY THIRD PARTIES, INCLUDING, BUT NOT LIMITED TO, THIRD PARTY CLAIMS FOR PUNITIVE, 

  

 26 

	 	 
EXEMPLARY, CONSEQUENTIAL, INCIDENTAL, INDIRECT OR SPECIAL DAMAGES, OR FOR LOST PROFITS, LOST BUSINESS OPPORTUNITIES OR BUSINESS INTERRUPTION.

  

	 	D.	If there occurs an event that either Party asserts is an indemnifiable event pursuant to Section IX.A. or IX.B., the Party seeking indemnification (the “Indemnified
Party”) shall promptly provide notice (the “Notice of Claim”) to the other Party or Parties obligated to provide indemnification (the “Indemnifying Party”). Providing the Notice of Claim shall be a
condition precedent to any Liability of the Indemnifying Party hereunder, and the failure to provide prompt notice as provided herein will relieve the Indemnifying Party of its obligations hereunder, but only if and to the extent that such failure
materially prejudices the Indemnifying Party hereunder. If the Indemnified Party provides a Notice of Claim to the Indemnifying Party of the commencement thereof, the Indemnifying Party shall be entitled to participate therein and, to the extent
that it shall wish, to assume the defense thereof, with counsel reasonably satisfactory to such Indemnitee and, after notice from the Indemnifying Party to such Indemnified Party of such election so to assume the defense thereof, the Indemnifying
Party shall not be liable to the Indemnified Party hereunder for any legal expenses of other counsel or any other expenses, in each case subsequently incurred by the Indemnified Party, in connection with the defense thereof other than reasonable
costs of investigation; provided, however, that if the Indemnified Party reasonably believes that counsel for the Indemnifying Party cannot represent both the Indemnified Party and the Indemnifying Party because such representation would be
reasonably likely to result in a conflict of interest, then the Indemnified Party shall have the right to its own defense by counsel (limited to one firm) of its own choosing and at the sole cost and expense of the Indemnifying Party. The
Indemnified Party agrees to reasonably cooperate with the Indemnifying Party and its counsel in the defense against any such asserted Liability. In any event, the Indemnified Party shall have the right to participate at its own expense in the
defense of such asserted Liability. No Indemnifying Party, in the defense of any Claim shall, except with the written consent of each Indemnified Party, consent to entry of any judgment or enter into any settlement that does not include as an
unconditional term thereof the release of the Indemnified Party from all Liability in respect to such Claim or that does not solely require the payment of money damages by the Indemnifying Party. The Indemnifying Party agrees to afford the
Indemnified Party and its counsel the opportunity to be present at, and to participate in, conferences with all Persons asserting any Claim against the Indemnified Party or conferences with representatives of or counsel for such Persons. In no event
shall the Indemnifying Party, without the written consent of the Indemnified Party, settle any Claim on terms that provide for (i) a criminal sanction against the Indemnified Party or (ii) injunctive relief affecting the Indemnified Party.

  

 27 

	 	E.	Upon receipt of a Notice of Claim, the Indemnifying Party shall have twenty (20) calendar days to contest its indemnification obligation with respect to such claim, or the
amount thereof, by written notice to the Indemnified Party (the “Contest Notice”); provided, however, that if, at the time a Notice of Claim is submitted to the Indemnifying Party the amount of the Damage in respect thereof
has not yet been determined, such twenty (20) day period in respect of, but only in respect of the amount of the Damage, shall not commence until a further written notice (the “Notice of Liability”) has been sent or delivered
by the Indemnified Party to the Indemnifying Party setting forth the amount of the Damage incurred by the Indemnified Party that was the subject of the earlier Notice of Claim. Such Contest Notice shall specify the reasons or bases for the objection
of the Indemnifying Party to the Claim, and if the objection relates to the amount of the Damages asserted, the amount, if any, that the Indemnifying Party believes is due the Indemnified Party, and any undisputed amount shall be promptly paid over
to the Indemnified Party. If no such Contest Notice is given within such twenty (20) day period, the obligation of the Indemnifying Party to pay the Indemnified Party the amount of the Damage set forth in the Notice of Claim, or subsequent
Notice of Liability, shall be deemed established and accepted by the Indemnifying Party. 

  

	 	F.	If the Indemnifying Party fails to assume the defense of such Claim or, having assumed the defense and settlement of such Claim, fails reasonably to contest such Claim in good
faith, the Indemnified Party, without waiving its right to indemnification, may assume, at the cost of the Indemnifying Party, the defense and settlement of such Claim; provided, however, that (i) the Indemnifying Party shall be
permitted to join in the defense and settlement of such Claim and to employ counsel at its own expense, (ii) the Indemnifying Party shall cooperate with the Indemnified Party in the defense and settlement of such Claim in any manner reasonably
requested by the Indemnified Party and (iii) the Indemnified Party shall not settle such Claim without soliciting the views of the Indemnifying Party and giving them due consideration. 

  

	 	G.	The Indemnifying Party shall make any payment required to be made under this Article in cash and on demand. Any payments required to be paid by an Indemnifying Party under this
Article that are not paid within five (5) business days of the date on which such obligation becomes final shall thereafter be deemed delinquent, and the Indemnifying Party shall pay to the Indemnified Party, immediately upon demand, interest
at the rate of ten percent (10%) per annum, not to exceed the maximum nonusurious rate allowed by applicable Law, from the date such payment becomes delinquent to the date of payment of such delinquent sums, which interest shall be considered
to be Damages of the Indemnified Party. 

  

 28 

 X. TAXES 
  
 To the extent legally permissible, all present and future taxes relating to the Products wherein the taxation is coincident with or subsequent to title
passing to Buyer shall be for the account of Buyer and all other taxes shall be for the account of Seller, except to the extent that any such taxes are attributable to Buyer’s income or included in the costs used to calculate the Price in
accordance with Article VI. hereof. 
  
 XI. EVENT OF FORCE MAJEURE

  

	 	A.	Neither Party will be liable for failure to perform or for delay in performing this Agreement where such failure or delay is caused by an Event of Force Majeure. The obligated
Party’s obligation to perform its undertakings shall be excused during the period such Event of Force Majeure shall continue; provided, however, that an Event of Force Majeure shall not excuse or delay any payment obligation hereunder; and
provided further that the Party asserting an Event of Force Majeure shall use its commercially reasonable efforts to overcome the Event of Force Majeure. The Party asserting that an Event of Force Majeure has occurred shall send the other Party
notice thereof within three (3) days after the beginning of such claimed Event of Force Majeure setting forth a description of the Event of Force Majeure, an estimate of its effect upon the Party’s ability to perform its obligations under
this Agreement and the expected duration thereof. The notice shall be supplemented by such other information or documentation as the Party receiving the notice may reasonably request. As soon as possible after the cessation of any Event of Force
Majeure, the Party which asserted such event shall give the other Party notice of such cessation. Whenever possible, each Party shall give the other Party notice of any threatened or impending Event of Force Majeure. 

  

	 	B.	In the event Seller or Buyer experiences an Event of Force Majeure that lasts for or is anticipated to last for more than one hundred eighty (180) consecutive days, either
Seller or Buyer shall have the right to terminate this Agreement. 

  

	 	C.	 In the event that Seller’s Deliveries of Products from the Facility are impeded due to an Event of Force Majeure, Seller shall apportion deliveries of Products
among its contract customers (including regular customers not then under contract) and Seller’s then existing requirements on a pro-rata basis, and Seller shall not be obligated to take any action which would increase its costs of performing
this Agreement above the costs which it would have incurred in the absence 

  

 29 

 
of such Event of Force Majeure. At the option of either Party, the number of Tons of each Product that a Party exercising its right under this Section is
excused from delivering or receiving by reason of Event of Force Majeure shall no longer be subject to this Agreement. The Term of the Agreement may be extended by mutual agreement of the Parties for any period to allow Delivery of Products not
Delivered, purchased or accepted due to an Event of Force Majeure. The Purchase Price for such Product shall be as set forth in Section VI., calculated for the Month that the Product is actually Delivered. 
  
 XII. REVIEW MEETINGS; REPORTING 
  

	 	A.	The Parties shall meet at least twice each Contract Year at mutually agreeable times to review the operation of, and discuss issues relating to, this Agreement.

  

	 	B.	In order to permit Buyer to monitor the costs of the Conversion Project and the cost components of the Price, Seller shall furnish to Buyer on a Monthly basis reasonably detailed
reports concerning such costs. 

  
 XIII. HARDSHIP 
  

	 	A.	If, at any time during the Term of this Agreement, a change occurs which substantially adversely affects either Party (as applicable, the “Affected Party”), other
than a change of the nature described in Article XX, as a result of which the Affected Party incurs or would be likely to incur substantial hardship in complying with the provisions of this Agreement, then the Affected Party may notify the other
Party (the “Non-Affected Party”) in writing that the Affected Party wishes to discuss the terms and performance of this Agreement in light of such changed conditions. 

  

	 	B.	Within thirty (30) days after delivery of any notice under Section XIII.A above, the Parties shall meet at a mutually acceptable time and place to discuss in good faith the
means, if any, to relieve such hardship in a manner equitable to both Parties, and at such meeting the Affected Party shall make available to the Non-Affected Party such data and information as the Affected Party deems necessary to justify its
request for relief. For the avoidance of doubt, nothing in this Section XIII.B shall alter the rights and obligations of the Parties under this Agreement in any way except to the extent that the Parties agree to do so in writing at or following any
such meeting. 

  
 XIV. TERMINATION 
  

	 	A.	 Subject to Section VII.E. hereof, if Buyer shall be late in making any payment for Products hereunder (other than late payments that result from Seller’s
negligence or omission) and such delay shall continue for 

  

 30 

	 	 
a period of fifteen (15) days after notice thereof is delivered by Seller to Buyer, Seller may, at its sole discretion by notice to Buyer, elect one or
more of the following remedies: 

  

	 	1.	Cease to make any further Delivery hereunder until Buyer has made up the late payment and has taken steps to assure Seller that there shall be no such delinquencies in the future;

  

	 	2.	Refuse to make any further Deliveries hereunder except upon cash payments on Delivery; or 

  

	 	3.	Require that all late payments bear interest from the due date to the date of payment in full at a rate of 18% per annum; 

  
 provided, however, that if Buyer shall be late in making any payment for
Products hereunder (other than late payments that result from Seller’s negligence or omission) and such delay shall continue for a total period of thirty (30) days after the aforesaid notice thereof is delivered by Seller to Buyer then
Seller may, at its option by notice to Buyer, terminate this Agreement. The election by Seller of any of the above courses of action shall in no way limit any other remedies available to Seller in law or in equity for Buyer’s failure to pay the
Price. 
  

	 	B.	If either Party shall: 

  

	 	1.	Voluntarily petition, or be the subject of such a petition, under or otherwise seek the benefit of any bankruptcy, reorganization, arrangement or insolvency law; or

  

	 	2.	Make a general assignment for the benefit of creditors; or be adjudicated bankrupt or insolvent; or 

  

	 	3.	Allow a receiver or trustee of its business to be appointed; or 

  

	 	4.	Fail to perform any part of this Agreement (other than as is excused under another provision hereof) and upon notice of such failure by the other Party, fail to remedy the same
within thirty (30) days of such notice; 

  
 then, in any of said events, this Agreement may be terminated at the option of the other Party, effective as of the date set forth in the terminating Party’s notice, and the terminating Party shall retain all of its rights and remedies
at law or in equity. 
  
 XV. RIGHTS NOT WAIVED 
  
 The waiver by either Party hereto of any breach of this Agreement by the
other Party hereto shall not be deemed to be a waiver of any succeeding or 

  

 31 

 
other breach of this Agreement. Each and every right, power and remedy may be exercised from time to time and so often and in such order as may be deemed
expedient by the Party, and the exercise of any such right, power or remedy shall not be deemed a waiver of the right to exercise at the same time or thereafter, any other right, power or remedy. 
  
 XVI. NOTICES 
  
 Except as otherwise provided herein, any notices, requests or other
communications required or permitted by any provision of this Agreement shall be in writing and shall be deemed delivered if delivered by hand or mailed by U.S. Postal Service, postage prepaid, by registered or certified mail, nationally recognized
overnight courier, or sent by facsimile and 
  

			
	if to Seller, addressed to:	  	or, if to Buyer, addressed to:
		
	 Terra Industries Inc.
 600 Fourth Street
 Sioux City, Iowa 51101
 Fax (712) 233-5586
 Contact Name: Joe Giesler
	  	 Orica USA Inc.
 33101 East Quincy Avenue
 Watkins, Colorado 80137
 Fax (303) 268-5251
 Contact Name: President

		
	with a copy to:	  	with a copy to:
		
	 Terra Industries Inc.
 600 Fourth Street
 Sioux City, Iowa 51101
 Fax (712) 233-5586
 Contact Name: General Counsel
	  	 Orica USA Inc.
 33101 East Quincy Avenue
 Watkins, Colorado 80137
 Fax (303) 268-5252
 Contact Name: General Counsel

  
 Any Party may change
the address to which notices are to be given by mailing written notice thereof to the other Party as provided above. 
  
 XVII. ASSIGNMENT 
  
 Neither Party shall assign any of its rights and obligations under this Agreement to a third party without first having obtained the prior written consent
of the other Party, such consent not to be unreasonably withheld, delayed or denied; provided, however, either Party with prior notice to the other shall be permitted to assign its rights and obligations under this Agreement to the successor of the
assigning Party as a result of a statutory merger or consolidation or to the purchaser of all or substantially all of such Party’s assets, or to an Affiliated Company which has the capability (as determined by the non-assigning Party in the
exercise of its reasonable discretion) to perform the assigning Party’s obligations hereunder (collectively a “Permitted Successor or Assign”). From and after the effective date of any assignment of this Agreement, and the
rights and 

  

 32 

 
obligations hereunder, which has been consented to in writing by the non-assigning Party, the assigning Party shall be deemed released from all obligations
and liabilities hereunder which are based on acts, omissions, facts, events or circumstances first arising, occurring or existing after the effective date of the assignment. The rights and obligations of the Parties herein set forth shall inure to
and be binding upon Permitted Successors and Assigns. For the purpose of this Agreement, an “Affiliated Company” shall mean any corporation or other business enterprise which directly or indirectly controls, is controlled by, or is
under common control with the Party; and for the purpose of this definition, a corporation that directly or indirectly has the power to vote more than fifty percent (50%) of the shares or other securities at the time entitled to vote upon the
election of directors or managers of a second corporation shall be deemed to control the second corporation. Notwithstanding the foregoing, in the event either Party intends to sell or otherwise transfer all or substantially all of its assets to
which this Agreement relates to a third party purchaser or other transferee, or transfer this Agreement to an Affiliated Company, the selling Party shall, unless prohibited by confidentiality undertaking, notify the other Party at least sixty
(60) days before the closing of such transaction. The selling Party shall also require its purchaser or transferee to assume the selling Party’s rights and obligations under this Agreement upon the closing of such transaction. Any
assignment or attempted assignment in contravention of the foregoing shall be null and void, shall be considered a material breach of the Agreement and shall permit the other Party in addition to any other rights which it may have, forthwith to
terminate this Agreement. 
  
 XVIII. INDEPENDENT CONTRACTOR 
  
 Seller
shall be an independent contractor, and neither Seller nor its Affiliated Companies are servants, agents or employees of Buyer. Seller shall perform its obligations under this Agreement by its own means and methods, it being understood that Buyer is
interested only in the Delivery of Products to the applicable Delivery Point in accordance with this Agreement. As an independent contractor, Seller shall be responsible for (i) all applicable state, federal, and other payroll taxes, including
contributions and taxes assessed against any amounts paid to its agents or wages paid to its employees in connection with its obligations under this Agreement, and (ii) any and all taxes or charges imposed by any governmental authority based
upon or measured by Seller’s income or receipts, including without limitation any federal, state or local income or franchise taxes. In addition, neither this Agreement nor any of the services provided under this Agreement shall be deemed to
create a partnership, joint venture or any other cooperative arrangement between Buyer and Seller or the Affiliated Companies of either Party with respect to the subject matter of this Agreement. 
  

 33 

 XIX. NON-COMPETITION 
  

	 	A.	Subject to the provisions of Section III.C, the remainder of this Article XIX and Article XX, during the Term, neither Seller nor any Seller Affiliated Company shall sell
any Products or AGAN manufactured at the Plant into, or for distribution or use in, Commercial Explosives applications in the Territory nor sell said Products or AGAN to any Person who Seller reasonably believes is likely to distribute or use them
in Commercial Explosives applications in the Territory. 

  

	 	B.	In the event that Buyer terminates this Agreement pursuant to Section XIV.B.4 or XVII. hereof, and Buyer does not notify Seller pursuant to Section 3.5(d) of the Conversion
Agreement of Buyer’s intention to purchase the Conversion Kit (as defined therein), then the provisions of Section XIX.A. shall continue for a period of one year from the date of termination of this Agreement. If instead Buyer notifies Seller
pursuant to Section 3.5(d) of the Conversion Agreement of Buyer’s intention to purchase the Conversion Kit (as defined therein), and Seller is able to convey the Conversion Kit to Buyer together with a release by Seller’s lenders, in
a form and substance reasonably satisfactory to Buyer, of all liens and security interests (if applicable) on the Conversion Kit, then the provisions of Section XIX.A. shall continue for a period of one year from the date of termination of this
Agreement. If instead Seller is unable to convey the Conversion Kit to Buyer or is unable to provide Buyer with a release by Seller’s lenders, in a form and substance reasonably satisfactory to Buyer, of all liens and security interests (if
applicable) on the Conversion Kit, then the provisions of Section XIX.A. shall continue for a period of two years from the date of termination of this Agreement.  

  

	 	C.	In the event that Seller or any Seller Affiliated Company shall 

  

	 	1.	Decide, or be solicited, to develop any of their plants as of the Effective Date (other than the Plant) for the manufacture of IGAN for sale or use in Commercial Explosives
applications in the Territory; or 

  

	 	2.	Decide, or be solicited, to commence the sale of AGAN or ANS from any of their plants (other than the Plant) as of the Effective Date for use in Commercial Explosives applications
in the Territory; then 

  
 Seller or the relevant
Seller Affiliated Company shall notify Buyer before initiating substantive discussions with the soliciting party or any other suppliers or users of Commercial Explosives and Seller or the relevant Seller Affiliated Company shall not initiate
substantive discussions with the soliciting party or any other suppliers or users of 

  

 34 

 
Commercial Explosives until Seller has complied with the following provisions. Seller agrees, and shall cause the relevant Seller Affiliated Company, to meet
with Buyer at a mutually acceptable time and place to discuss in good faith Buyer’s interest in acquiring distribution rights with respect to such sales. Seller or Seller Affiliated Company shall make available to the Buyer such data and
information as the Buyer deems reasonably necessary to evaluate the proposed distribution rights. If Seller or such Seller Affiliated Company and Buyer do not reach agreement upon the terms of such distribution rights, and Seller or such Seller
Affiliated Company thereafter sells IGAN, AGAN or ANS from its plants (other than the Plant) for sale or use in Commercial Explosives applications in the Territory, then, unless otherwise agreed, Buyer shall be considered to have purchased such
products for the purposes of Article III.B. of this Agreement. 
  

	 	D.	Notwithstanding the provisions of Section XIX.A, Seller may (i) sell ANS and AGAN for use in Commercial Explosives applications in the Territory, provided that such Products
are supplied as of June 1, 2005 pursuant to written agreements between Seller and its customers existing on such date, including any extensions of such written agreements for substantially the same volumes, and (ii) sell Products (without
regard to Specifications) and other products manufactured by or on behalf of Seller for use outside Commercial Explosives applications. Buyer shall have the right to engage a third party auditor to confirm Seller’s compliance with this clause.
If the auditor confirms Seller’s compliance, then such audit will be at Buyer’s expense. If the auditor determines that Seller is not in compliance, Seller shall cease the activity which contravenes this Subsection and such audit will be
at Seller’s expense. 

  
 XX. #2 PRILLING PLANT
CONVERSION 
  
 If, as a result of actual or imminent
regulatory changes which significantly reduce Seller’s sales volumes of AGAN at the Plant, Seller decides to initiate the conversion of its #2 prilling plant at the Plant (the “#2 IGAN Project”) to enable manufacture of
the full output of such #2 prilling plant as IGAN (the “Output”), then Seller shall notify Buyer of its decision before initiating discussions with any other suppliers or users of Commercial Explosives and Seller shall not
initiate discussions with any other suppliers or users of Commercial Explosives until Seller has complied with the following provisions. Within thirty (30) days of Seller’s notice, Seller and Buyer shall meet to discuss the participation
of Buyer in the #2 IGAN Project and marketing by Buyer of the Output. 
  

	 	A.	If the Parties reach agreement, then this Agreement shall continue in full force and effect, modified only to the extent necessary to reflect the additional agreement of the
Parties. 

  

 35 

	 	B.	If the Parties do not reach agreement, but Seller proceeds with the #2 IGAN Project and markets any or all of the Output to another supplier or suppliers of Commercial Explosives,
then this Agreement shall continue in full force and effect, and the provisions of Section XIX.A shall not be construed to prevent such sales so long as Seller’s price to the other supplier or suppliers is not less than the then-current Price
hereunder for IGAN plus the allocable portion of the Facility Fee, if any. Buyer shall have the right to engage a third party auditor to confirm Seller’s compliance. If the auditor confirms Seller’s compliance, then such audit will
be at Buyer’s expense. If the auditor determines that Seller is not in compliance, then such audit will be at Seller’s expense and Seller will make the necessary price adjustments and payments to Buyer. 

  

	 	C.	If the Parties do not reach agreement, but Seller proceeds with the #2 IGAN Project and markets any or all of the Output directly to users of Commercial Explosives, then this
Agreement shall continue in full force and effect and the provisions of Section XIX.A shall not be construed to prevent such sales; provided, however, that Buyer shall have the right, but not the obligation, to terminate this Agreement at any time
thereafter upon three (3) year’s notice to Seller. 

  
 XXI. AUDIT RIGHT 
  

	 	A.	During the Term, Seller shall keep and maintain proper, detailed, accurate and complete records and supporting documentation, regardless of the medium by which they are created or
stored, in respect of all matters relating to this Agreement (collectively, the “Records”). Seller shall keep and retain all Records for a period of 24 Months after the end of any Contract Year to which the Records relate
(“Record Retention Period”). 

  

	 	B.	Buyer acknowledges and agrees that the Records of Seller contain sensitive and confidential information, the disclosure of which would cause irreparable injury to Seller.

  

	 	C.	 At any time prior to the expiry of the Record Retention Period, Buyer may, in order to verify and validate the calculation of any formula or the amount of any
Price, payment or cost under this Agreement or the quantity of Products delivered hereunder, audit the Records of Seller. Audits shall be carried out at any time prior to the expiry of the Record Retention Period, during normal business hours but
upon prior written request to Seller. Buyer may enter the business premises of Seller where the Records are located, and inspect, audit and copy any or all of the Records. Each Party shall co-operate with the other Party in carrying out the
inspection, audit and copying of such Records including, without limitation, by providing access to, and assistance with, all computer systems and other electronic means by which any such Records may be 

  

 36 

	 	 
kept. The inspection of any or all of the Records by Buyer, from time to time, shall be performed at Buyer’s own cost and expense provided that if such
inspection determines that the calculations made by Seller are less than 99% accurate on average during the Months covered by the audit, then the costs of the audit shall be borne by Seller. 

  

	 	D.	If Buyer identifies an error in the calculation of any amount, the applicable invoice in which the error was determined shall be increased or decreased, as the case may be, by an
amount equal to such overpayment or such underpayment, as the case may be. 

  
 XXII. ENTIRE AGREEMENT/AMENDMENT 
  
 This Agreement, the Exhibits hereto, the Related Agreements and the Side Letter Agreement constitute the entire agreement among the Parties and supersede all prior agreements and understandings, oral or written, among
the Parties hereto with respect to the subject matter hereof and thereof. There are no warranties, representations or other agreements between the Parties in connection with the subject matter hereof except as set forth specifically herein or
contemplated hereby.This Agreement may be amended only by a written document signed by duly authorized representatives of each of the Parties hereto. Any printed terms or conditions contained in any printed forms used in placing or acknowledging
orders hereunder, or otherwise used in any way in connection with the sale and purchase provided for in this Agreement, shall not have the effect of modifying or amending this Agreement in any respect. 
  
 XXIII. CONFIDENTIALITY 
  

	 	A.	Buyer and Seller shall maintain in confidence all information concerning Seller’s costs and Price realizations to be disclosed to Buyer in connection with Seller’s
performance under this Agreement. Such information shall be disclosed to no person or entity other than Buyer’s and Nelson Brothers’ officers and other personnel who need to know the same in connection with Buyer’s performance under
this Agreement, and such officers and other personnel shall be advised of the confidential nature of such information. Each Party shall take all reasonable precautions to prevent such information from being acquired by any unauthorized person, firm
or company. Buyer shall be obligated to obtain an appropriate confidentiality agreement from Nelson Brothers regarding such information, or in the absence of any such agreement, Buyer shall be responsible for any breach of this provision by Nelson
Brothers or its officers or other personnel. 

  

	 	B.	 Except as required by applicable securities law, neither Buyer nor Seller shall advertise, circulate, or release any information regarding this 

  

 37 

	 	 
Agreement to any person, organization, news agency, or media without written consent of the other Party. However, Buyer shall be entitled to provide
Buyer’s customers, including without limitation Nelson Brothers, with information Seller may approve to assure such customers that Buyer will be able to supply the customers’ needs. Seller shall be entitled to provide Seller’s
suppliers, and any other parties as necessary with such information as Buyer shall approve to enable the supply of Products under this Agreement. 

  
 XXIV. SECTION HEADINGS 
  
 Section headings are for the convenience of the Parties and are not considered parts of the Agreement, it being stipulated that any headings in conflict
with the substantive provisions of the Agreement shall have no force and effect. 
  
 XXV. LEGAL COMPLIANCE 
  
 Each Party shall be subject to all applicable laws, rules, regulations and ordinances issued by any national, state or local regulatory or governing body
and may act in accordance therewith until such time as the same may be repealed or held invalid by final judgment in a court of competent jurisdiction. 
  
 XXVI. DISPUTE RESOLUTION 
  

	 	A.	This process may be initiated by either Party by notice to the other Party. Except as otherwise expressly provided in this Agreement, and except to the extent a Party deems it
reasonably necessary to seek immediate injunctive or equitable relief, in which event a Party may seek such relief to protect its interests in an appropriate forum, in the event of any controversy arising out of or relating to this Agreement, or any
breach thereof, the Parties agree for a period of thirty (30) days following notification that a controversy or breach has arisen or occurred to attempt in good faith to resolve any such controversy or breach between the respective officers for
each Party who are responsible for the administration of this Agreement. Despite any injunctive relief, the Parties will continue to participate in good faith in the procedures specified herein. All applicable statutes of limitation, including,
without limitation, contractual limitation periods provided for in this Agreement, shall be tolled while the procedures specified in this Section XXVI. are pending. The Parties will take all actions, if any, necessary to effectuate the tolling of
any applicable statutes of limitation. If such senior officers are unable to resolve the controversy or breach within the said thirty (30) days, then the Parties shall submit the dispute to the President of each Party for resolution for a
period of fifteen (15) days. If the Parties’ respective Presidents resolve the controversy or breach, the Parties will adhere to their resolution, and make such amendments to this Agreement as may be necessary. 

  

 38 

	 	B.	In the event the Presidents are unable to resolve the controversy or breach within said fifteen (15) days, either Party may submit the controversy or breach to binding
arbitration by notice to the other Party and the American Arbitration Association. The Parties agree that this Agreement affects interstate commerce. The Parties further agree that such binding arbitration shall be settled exclusively in Wilmington,
Delaware (unless the Parties mutually agree to another location for convenience of the Parties and witnesses) pursuant to the provisions of the Federal Arbitration Act and according to the Commercial Rules of the American Arbitration Association
then in effect in the State of Delaware. The arbitrator shall be chosen from a panel of five (5) retired federal judges provided by the American Arbitration Association. Alternate strikes shall be made to the panel commencing with the Party
requesting the arbitration until one name remains. Such individual shall be the arbitrator for the dispute and shall be appointed within thirty (30) days of the date of the demand for arbitration by one of the Parties to this Agreement. The
Party requesting the arbitration shall notify the arbitrator who shall hold a hearing(s) within ninety (90) days of the notice. The arbitrator shall render a decision within sixty (60) days after the conclusion of the hearing(s). In all
arbitration proceedings, with respect to each particular dispute, the arbitrator shall be required to approve either the position advocated by Seller or the position advocated by Buyer, whichever best reflects and implements the purposes and intent
of this Agreement. Any decision rendered by the arbitrator which does not reflect either a position advocated by Seller or a position advocated by Buyer shall be beyond the scope of authority granted to the arbitrator and the issue in question will
be returned to the arbitrator for a decision consistent with the terms of this Section. The decision of the arbitrator shall be in writing and shall be final and binding upon the Parties as to the controversy or breach submitted. Judgment upon the
award rendered by the arbitrator may be entered in any court having jurisdiction thereof. All American Arbitration Association fees and the fees and expenses of the arbitrator will be divided equally between the Parties. The attorneys’ fees and
other arbitration costs and expenses of the Parties shall be borne by the Party whose contention was not upheld by the arbitrator, except to the extent the arbitrator rules otherwise. 

  
 XXVII. GOVERNING LAW 
  
 This Agreement shall be governed by and construed in accordance with the
laws of the State of Delaware. 
  

 39 

 IN WITNESS WHEREOF, the Parties have executed this Agreement the year and day above stated by their
respective officers thereunto duly authorized. 
  

					
	 (“Seller”)
	 	Terra Mississippi Nitrogen, Inc.
			
	 	 	By: 	 	 /s/ Michael L. Bennett

	 	 	Printed Name:	 	Michael L. Bennett
	 	 	Title:	 	President
		
	 (“Buyer”)
	 	Orica USA Inc.
			
	 	 	By: 	 	 /s/ Don Brinker

	 	 	Printed Name:	 	Don Brinker
	 	 	Title:	 	President & CEO

  

 40 

 EXHIBIT A 
 PRICE 
 [The following calculations are provided as examples] 
  
 SAMPLE PRICE CALCULATION 
  
 Portions of this Exhibit were omitted and filed separately with the Securities and Exchange
Commission pursuant to a request for confidential treatment. Such portions are marked by a series of asterisks. 
  

							
	 ****************************************
	  	 	  	 	  	 
				
	 Yazoo City AN Synthesis
 April
2005
	  	 	  	 	  	 
	  	 $ per short ton

	  	 
	 Ammonia Based Version

	  	 ANS

	  	 IGAN

	  	 Comments

				
	 ****************************************
	  	 	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 **************
	  	 	  	Note: Verbatum, modified by Section VI. A. I. a.
				
	 ****************************************
	  	 **************
	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 ****************************************

				
	 ****************************************
	  	 **************
	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	****************************************
				
	 ****************************************
	  	 **************
	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 
				
	Shipped ANS Price To Orica – Tranche # 1	  	 **************
	  	 	  	 

  

 A-1 

 SAMPLE PRICE CALCULATION 
  

							
	 Yazoo City ANF (to be the “Facility”)
 April 2005
	  	 	  	 	  	 
	  	 $ per short ton

	  	 
	 Feedstock Version

	  	 ANS

	  	 IGAN

	  	 Comments

				
	 ****************************************
	  	 	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 	  	 ****************************************

	 	  	
	  	 	  	 
				
	 ****************************************
	  	 **************
	  	 **************
	  	 Note: Conversion factor of 0.9885 tons per ton.

				
	 ****************************************
	  	 	  	 **************
	  	 Note: Inclusive of additives and coatings.

				
	 ****************************************
	  	 	  	 **************
	  	 
				
	 ****************************************
	  	 	  	 	  	 
				
	 ****************************************
	  	 	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 	  	 	  	 Note: Verbatum.

				
	 ****************************************
	  	 	  	 	  	 Note: Verbatum, modified by Section VI. A. 2. a. vi.

				
	 IGAN Price To Orica
	  	 	  	 **************
	  	 

  

 A-2 

 SAMPLE PRICE CALCULATION 
  

					
	 Base Shipped ANS Price To Orica - Tranche # 2
	  	**************	  	per ton of ANS
			
	 Base NYMEX Henry Hub Natural Gas Price
	  	 **************
	  	 per MMBtu of natural gas

			
	 "Natural Gas To ANS" Usage Factor
	  	 **************
	  	 MMBtu of natural gas per ton of ANS

			
	Market Center Spot Gas Price, South Louisiana Henry Hub Natural Gas Price (example July 2005)	  	 **************
	  	 per MMBtu of natural gas

			
	 Month Shipped ANS Price To Orica - Tranche # 2
	  	 **************
	  	 per ton of ANS

  

 A-3 

 EXHIBIT B - Specifications 
  
 IGAN (complying with UN1942, Class 5.1 requirements) 
  

					
	 Property

	 	 Specification Range

	 	 Typical

	 Total Nitrogen, wt%
	 	34.0 Min.	 	34.6
			
	 Bulk Density, lb/ft3
	 	46.0 Min. to 54.0 Max.	 	48.0
			
	 Bulk Density, g/cm3
	 	0.74 Min. to 0.84 Max.	 	0.78
			
	 Oil Absorption, wt%
	 	6.0 Min. to 13.0 Max.	 	10.4
			
	 Moisture, wt%
	 	0.15 Max.	 	0.06
			
	 Organic coating, wt%
	 	0.06 to 0.09 Max.	 	0.08
			
	Total organics, wt%	 	0.2 Max	 	 
			
	 pH (10% solution)
	 	4.5 Min. to 5.7 Max.	 	5.3
			
	 Friability
	 	5.0 Min. to 18.0 Max	 	10.0
		
	 Prill Size Distribution Screen Analysis (U.S. Standard)
	 	 
			
	 +6 Mesh, wt%
	 	  0.0 Max.	 	0.0
	 +14 Mesh, wt%
	 	90.0 Min.	 	95.0
	 +20 Mesh, wt%
	 	97.0 Min.	 	98.5
	 -20 Mesh, wt%
	 	  3.0 Max.	 	1.5

  
 Ammonium Nitrate Solution

  

					
	 Chemical

	 	 Specification Range

	 	 Typical

	 Ammonium Nitrate, wt%
	 	83.5 Min. to 88.0 Max.	 	84.0
			
	 pH
	 	5.0 Min. to 6.0 Max.	 	5.2
			
	 Temperature, 0F
	 	230 Min. to 250 Max.	 	235 to 245
			
	Appearance	 	Clear of clay or other foreign material.	 	 

  
 Physical (dependent upon concentration) 

					
	 Specific Gravity, 200 0F
	 	1.36	 	1.36
			
	 Salt out temperature, 0F
	 	156 to 188	 	160
			
	 Density, lb/gal @ 200 0F
	 	11.35	 	11.35

  

 B-1

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