Document:

Form of Service Agreement

 Exhibit 10.15 
 FORM OF 
 SERVICES AGREEMENT 

among 

RENTECH NITROGEN PARTNERS, L.P., 
 RENTECH NITROGEN GP, LLC 
 and 

RENTECH, INC. 

 SERVICES AGREEMENT 
 This SERVICES AGREEMENT (this “Agreement”), dated as of             , 2011, is entered into by and among RENTECH NITROGEN
PARTNERS, L.P., a Delaware limited partnership (“MLP”), RENTECH NITROGEN GP, LLC, a Delaware limited liability company (“GP”), and RENTECH, INC., a Colorado corporation (“Rentech”, and collectively
with MLP and GP, the “Parties” and each, a “Party”). 
 RECITALS 

MLP is the owner of Rentech Nitrogen, LLC, a Delaware limited liability company (“Operating Company”). GP, in its
capacity as the general partner of MLP, desires to engage Rentech, on its own behalf and for the benefit of MLP and its Subsidiaries, including Operating Company, to provide certain services necessary to operate the business conducted by GP, MLP and
MLP’s Subsidiaries, including Operating Company (the “Services Recipients”), and Rentech is willing to undertake such engagement, subject to the terms and conditions of this Agreement. 

MLP, GP (for itself and in its capacity as the general partner of MLP) and Rentech agree as follows: 

ARTICLE I. 

DEFINITIONS 

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

“Administrative Personnel” means individuals who are employed by Rentech or any of its Affiliates and assist in
providing the Services, excluding any Seconded Personnel. 
 “Administrative Services Percentage” means, for
any applicable period, the percentage represented by a fraction, the numerator of which is the estimated amount of total working time that the Administrative Personnel are engaged in performing Services during such period, and the denominator of
which is the estimated amount of total working time that the Administrative Personnel are engaged in performing services for Rentech and its Affiliates during such period (including the Services and any other services), as such estimated amounts of
working time are calculated on a consistent basis for purposes of determining the Administrative Services Percentage. 

“Affiliate” shall mean with respect to any Person, any other Person that directly or indirectly through one or more
intermediaries, controls, is controlled by, or is under common control with, such specified Person. For purposes of this definition, “control” when used with respect to any Person means the power to direct the management and policies of
such Person, directly or indirectly, through the ownership of voting securities, by contract or otherwise (provided that, solely for purposes of this Agreement, the Services Recipients shall not be deemed Affiliates of Rentech or its Affiliates).

 “Alternative Energy Technology” shall mean any of (a) a Fischer-Tropsch process technology which
converts synthesis gas to hydrocarbons or a process for direct conversion of any carbon bearing material to hydrocarbons, or (b) a gasification or reformation process to convert biomass to synthesis gas. 

  
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 “Bankrupt” with respect to any Person shall mean such Person shall
generally be unable to pay its debts as such debts become due, or shall so admit in writing or shall make a general assignment for the benefit of creditors; or any proceeding shall be instituted by or against such Person seeking to adjudicate it
bankrupt or insolvent, or seeking liquidation, winding up, reorganization, arrangement, adjustment, protection, relief, or composition of it or its debts under any law relating to bankruptcy, insolvency or reorganization or relief of debtors, or
seeking the entry of an order for relief or the appointment of a receiver, trustee or other similar official for it or for any substantial part of its property and, in the case of any such proceeding instituted against it (but not instituted by it),
shall remain undismissed or unstayed for a period of 30 days; or such Person shall authorize any of the actions set forth above. 
 “Default Rate” shall mean an interest rate (which shall in no event be higher than the rate permitted by applicable law) equal to 300 basis points over the most recent 12-month LIBOR.

 “Governmental Approval” shall mean any material consent, authorization, certificate, permit, right of way,
grant or approval of any Governmental Authority that is necessary for the business of the Services Recipients in accordance with applicable Laws. 
 “Governmental Authority” shall mean (a) any court or tribunal in any jurisdiction, (b) any federal, state, foreign, municipal or local government, (c) any governmental
body, agency, authority, department, commission, board, bureau, instrumentality, arbitrator or arbitral body or (d) any quasi-governmental or private body lawfully exercising any regulatory or taxing authority. 

“GP/MLP Representative” means such person as is designated in writing by GP to serve in such capacity. 

“Initial Offering” means the initial public offering of common units representing limited partner interests in MLP.

 “Laws” shall mean any applicable statute, common law, rule, regulation, judgment, order, ordinance, writ,
injunction or decree issued or promulgated by any Governmental Authority. 
 “LIBOR” means the London
Inter-Bank Offered Rate. 
 “Operating Company” has the meaning set forth in the Recitals to this Agreement.

 “Party” and “Parties” has the meaning set forth in the Preamble to this Agreement.

 “Person” means an individual, corporation, partnership, joint venture, trust, limited liability company,
unincorporated organization or other entity. 
 “Personnel Costs” means all compensation costs incurred by an
employer in connection with the employment by such employer of applicable personnel, including all salary, cash bonuses, payroll taxes and benefits but excluding any Share-Based Compensation. 

  
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 “Rentech Representative” means such person as is designated in writing by
Rentech to serve in such capacity. 
 “Seconded Personnel” means individuals who are employed by Rentech or any
of its Affiliates and provided on a full-time basis to the Services Recipients in connection with provision of the Services. 

“Services” shall consist of those services performed for the Services Recipients as described on Exhibit 1
hereto, as such exhibit may be updated in accordance with Section 2.3. 
 “Services Recipients” has
the meaning set forth in the Recitals to this Agreement. 
 “Share-Based Compensation” means any compensation
accruing or payable under any incentive or other compensation plan or program of an employer based upon changes in the equity value of such employer or any of its Affiliates. 
 “Subsidiary” means, with respect to any Person, (a) a corporation of which more than 50% of the voting power of shares entitled (without regard to the occurrence of any contingency)
to vote in the election of directors or other governing body of such corporation is owned, directly or indirectly, at the date of determination, by such Person, by one or more Subsidiaries of such Person or a combination thereof, (b) a
partnership (whether general or limited) in which such Person or a Subsidiary of such Person is, at the date of determination, a general partner of such partnership, but only if such Person, directly or through one or more Subsidiaries of such
Person, or a combination thereof, controls such partnership, directly or indirectly, at the date of determination or (c) any other Person in which such Person, one or more Subsidiaries of such Person, or a combination thereof, directly or
indirectly, at the date of determination, has (i) at least a majority ownership interest or (ii) the power to elect or direct the election of a majority of the directors or other governing body of such Person. 

ARTICLE II. 

RETENTION OF RENTECH; SCOPE OF SERVICES 
 Section 2.1 Retention of Rentech. GP, on its own behalf and for the benefit of the Services Recipients, hereby engages Rentech to perform the Services and Rentech hereby accepts such
engagement and agrees to perform the Services and to provide all Administrative Personnel necessary to perform the Services. In connection with providing the Services, Rentech may provide Seconded Personnel to the Services Recipients in
Rentech’s discretion. Subject to the other provisions of this Agreement, all Administrative Personnel and Seconded Personnel performing Services pursuant to this Agreement shall be subject to the direction and control of GP in performing such
Services. 
 Section 2.2 Scope of Services. The Services shall be provided in accordance with (a) applicable
material Governmental Approvals and Laws, (b) applicable industry standards and (c) quality standards that, taken as a whole, are not materially less favorable to the Services Recipients compared to those provided by Rentech to the
Services Recipients as of the date of this Agreement. 

  
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 Section 2.3 Exclusion and Addition of Services. At any time, GP or Rentech may
temporarily or permanently exclude any particular service from the scope of the Services upon 180 days notice, unless such notice is waived in writing by the GP. At any time, GP and Rentech may agree to temporarily or permanently add any
particular service to the scope of the Services, which shall be reflected in an update to Exhibit 1 to this Agreement. Any such update shall be deemed not to be an amendment or modification to this Agreement. 

Section 2.4 Exclusion of Personnel. At any time, subject to Section 2.1, Rentech may temporarily or permanently
exclude any employee of Rentech or its Affiliates from providing the Services (in which case, such employee shall not be considered a member of the Administrative Personnel or Seconded Personnel during the period of such exclusion). 

Section 2.5 Performance of Services by Affiliates or Other Persons. The Parties hereby agree that in discharging its
obligations hereunder, Rentech may engage any of its Affiliates or other Persons to perform the Services (or any part of the Services) on its behalf and that the performance of the Services (or any part of the Services) by any such Affiliate or
Person shall be treated as if Rentech performed such Services itself. No such delegation by Rentech to Affiliates or other Persons shall relieve Rentech of its obligations hereunder. 

ARTICLE III. 

PAYMENT AMOUNT 

Section 3.1 Payment Amount. GP shall pay or cause MLP or Operating Company to pay in cash, to Rentech (or its Affiliates as
Rentech may direct) the amount of any direct or indirect expenses incurred by Rentech or its Affiliates in connection with the provision of Services by Rentech or its Affiliates (the “Payment Amount”), in accordance with the
following: 
 (a) Seconded Personnel. The Payment Amount will include all Personnel Costs of Seconded Personnel, to the
extent attributable to the periods during which such Seconded Personnel are provided to the Services Recipients. 
 (b)
Administrative Personnel. The Payment Amount will include a pro rata share of all Personnel Costs of Administrative Personnel, as determined by Rentech on a commercially reasonable basis, based on the estimated percent of total working time
that such Administrative Personnel are engaged in performing the Services. 
 (c) Administrative Costs. The Payment
Amount will include the following: 
 (i) Office Costs. A pro rata share of all office costs (including,
without limitation, all costs relating to office leases, equipment leases, supplies, property taxes and utilities) for all locations of Administrative Personnel, as determined by Rentech on a commercially reasonable basis, based on the
Administrative Services Percentage; 
 (ii) Insurance. Premiums under Rentech’s general policy of
insurance will be apportioned by the insurer among Rentech, its Affiliates and the Services Recipients and direct charged to the applicable insured. GP will maintain its own directors and officers (or equivalent) insurance and will pay all related
premiums; 

  
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 (iii) Outside Services. Services provided by outside vendors
(including audit services, legal services, government and public relation services and other services) will first be direct charged where applicable; provided, however, that the Payment Amount will include a pro rata share of charges for all
services that are provided by outside vendors and not direct charged, as determined by Rentech on a commercially reasonable basis, based on the estimated portion of such services that are for the benefit of Services Recipients; and 

(iv) Other G&A Costs. The Payment Amount will include a pro rata share of all other general and administrative
costs, but excluding any Share-Based Compensation, relating to the Services Recipients incurred by Rentech or its Affiliates, based on any commercially reasonable allocation methodology selected by Rentech. 

(d) Other Costs. Bank charges, interest expense and any other costs as reasonably incurred by Rentech or its Affiliates in the
provision of Services will be direct charged as applicable. For the avoidance of doubt, any of the foregoing costs and expenses described in Section 3.1 that are direct charged to any Party will not be included in the Payment Amount.

 (e) Taxes. The Services Recipients shall pay or cause to be paid all taxes, levies, royalties, assessments, licenses,
fees, charges, surcharges and sums due of any nature whatsoever (other than income taxes, gross receipt taxes and similar taxes) imposed by any Governmental Authority that Rentech or its Affiliates incur for the Services provided under this
Agreement. If Rentech is required to pay any of the foregoing, then the Payment Amount will include amounts sufficient to reimburse Rentech for such payment. 
 Section 3.2 Payment of Payment Amount. Rentech shall submit monthly invoices to GP for the Services, which invoices shall be due and payable within 30 days. GP shall pay, or cause MLP or
Operating Company to pay, to Rentech in immediately available funds, the full Payment Amount due under Section 3.1. Past due amounts shall bear interest at the Default Rate. Allocation percentages referred to in this
Article III will be calculated and determined for calendar year or calendar quarter periods, as Rentech may determine, based upon Rentech’s annual audited financial statements or quarterly unaudited financial statements for the
immediately preceding calendar year or calendar quarter, as applicable. 
 Section 3.3 Disputed Charges. GP MAY,
WITHIN 90 DAYS AFTER RECEIPT OF A CHARGE FROM RENTECH, TAKE WRITTEN EXCEPTION TO SUCH CHARGE, ON THE GROUNDS THAT THE SAME WAS NOT A REASONABLE COST INCURRED BY RENTECH OR ITS AFFILIATES IN CONNECTION WITH THE SERVICES. GP SHALL NEVERTHELESS PAY OR
CAUSE MLP OR OPERATING COMPANY TO PAY WHEN DUE THE FULL PAYMENT AMOUNT OWED TO RENTECH. SUCH PAYMENT SHALL NOT BE DEEMED A WAIVER OF THE RIGHT OF THE SERVICES RECIPIENT TO RECOUP ANY CONTESTED PORTION OF ANY AMOUNT SO PAID. HOWEVER, IF THE AMOUNT AS
TO WHICH SUCH WRITTEN EXCEPTION IS TAKEN, OR ANY PART THEREOF, IS ULTIMATELY DETERMINED NOT TO BE A REASONABLE COST INCURRED BY RENTECH OR ITS AFFILIATES IN CONNECTION WITH ITS PROVIDING THE SERVICES HEREUNDER, SUCH AMOUNT OR PORTION THEREOF (AS THE
CASE MAY BE) SHALL BE REFUNDED BY RENTECH TO THE SERVICES RECIPIENTS TOGETHER WITH INTEREST THEREON AT THE DEFAULT RATE DURING THE PERIOD FROM THE DATE OF PAYMENT BY THE SERVICES RECIPIENTS TO THE DATE OF REFUND BY RENTECH. 

  
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 Section 3.4 Rentech’s Employees. The Services Recipients shall not be
obligated to pay directly to Seconded Personnel any salaries, wages, bonuses, benefits, social security taxes, workers’ compensation insurance, retirement and insurance benefits, training or other expenses; provided, however, that if Rentech
fails to pay any employee within 30 days of the date such employee’s payment is due: 
 (a) the Services Recipients
may (i) pay such employee directly, or (ii) employ such employee directly; and 
 (b) Rentech shall reimburse GP, MLP
or Operating Company, as the case may be, for the amount GP, MLP or Operating Company, as applicable, paid to Rentech with respect to employee services for which Rentech did not pay any such employee; provided that, at any time, Rentech may elect to
satisfy such obligation by setting-off and applying the amount of such reimbursement against any Payment Amount or other amount owed by GP, MLP or Operating Company to Rentech under this Agreement. 

ARTICLE IV. 

BOOKS, RECORDS AND REPORTING 
 Section 4.1 Books and Records. Rentech and its Affiliates and the Services Recipients shall each maintain accurate books and records regarding the performance of the Services and calculation
of the Payment Amount, and shall maintain such books and records for the period required by applicable accounting practices or law, or five (5) years, whichever is longer. 

Section 4.2 Audits. Rentech and its Affiliates and the Services Recipients shall have the right, upon reasonable notice, and
at all reasonable times during usual business hours, to audit, examine and make copies of the books and records referred to in Section 4.1. Such right may be exercised through any agent or employee of the Person exercising such right if
designated in writing by such Person or by an independent public accountant, attorney or other agent so designated. Each Person exercising such right shall bear all costs and expenses incurred by it in any inspection, examination or audit. Each
Party shall review and respond in a timely manner to any claims or inquiries made by the other Party regarding matters revealed by any such inspection, examination or audit. 
 Section 4.3 Reports. Rentech shall prepare and deliver to GP any reports provided for in this Agreement and such other reports as GP may reasonably request from time to time regarding the
performance of the Services. 
 ARTICLE V. 
 INTELLECTUAL PROPERTY 
 Section 5.1 Ownership by Rentech and License to
MLP. Any (a) inventions, whether patentable or not, developed or invented, or (b) copyrightable material (and the intangible rights of copyright therein) developed, by Rentech, its Affiliates or its or their employees in connection

  
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with the performance of the Services shall be the property of Rentech; provided, however, that Rentech hereby grants, and agrees to cause its Affiliates to grant, to MLP an irrevocable,
royalty-free, non-exclusive and non-transferable (without the prior written consent of Rentech) right and license to use such inventions or material. Notwithstanding the foregoing, (i) MLP shall only be granted such a right and license to the
extent such grant does not conflict with, or result in a breach, default, or violation of a right or license to use such inventions or material granted to Rentech or its Affiliates by any Person other than Rentech or an Affiliate of Rentech;
provided that Rentech will, and will cause its Affiliates to, use commercially reasonable efforts to grant such right and license to MLP (which efforts shall not include the expenditure of any money); and (ii) nothing in this Agreement shall
require Rentech or its Affiliates to grant any right or license to any Alternative Energy Technology. 
 Section 5.2
License to Rentech and its Affiliates. MLP hereby grants, and will cause its Affiliates to grant, to Rentech and its Affiliates an irrevocable, royalty-free, non-exclusive and non-transferable right and license to use, during the term of this
Agreement, any intellectual property provided by MLP or its Affiliates to Rentech or its Affiliates, but only to the extent such use is necessary for the performance of the Services. Rentech agrees that Rentech and its Affiliates will utilize such
intellectual property solely in connection with the performance of the Services. 
 ARTICLE VI. 

TERMINATION 

Section 6.1 Termination By GP. 
 (a) Upon the occurrence of any of the following events, GP may terminate this Agreement by giving written notice of such termination to Rentech: 

(i) Rentech becomes Bankrupt; or 
 (ii) Rentech dissolves and commences liquidation or winding-up. 
 Any termination under this
Section 6.1(a) shall become effective immediately upon delivery of the notice first described in this Section 6.1(a), or such later time (not to exceed the first anniversary of the delivery of such notice) as may be specified
by GP. 
 (b) In addition to its rights under Section 6.1(b), beginning one year after the completion of the Initial
Offering, GP may terminate this Agreement at any time by giving notice of such termination to Rentech. Any termination under this Section 6.1(b) shall become effective 180 days after delivery of such notice, or such later time (not
to exceed the first anniversary of the delivery of such notice) as may be specified by GP. 
 Section 6.2 Termination By
Rentech. Beginning one year after the completion of the Initial Offering, Rentech may terminate this Agreement at any time by giving notice of such termination to GP. Any termination under this Section 6.2 shall become effective
180 days after delivery of such notice, or such later time (not to exceed the first anniversary of the delivery of such notice) as may be specified by Rentech. 

  
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 Section 6.3 Effect of Termination. If this Agreement is terminated in accordance
with Section 6.1 or Section 6.2, all rights and obligations under this Agreement shall cease except for (a) obligations that expressly survive termination of this Agreement; (b) liabilities and obligations that have
accrued prior to such termination, including the obligation to pay any amounts that have become due and payable prior to such termination, and (c) the obligation to pay any portion of any Payment Amount that has accrued prior to such
termination, even if such portion has not become due and payable at that time. 
 Section 6.4 Transition of
Services. During the period prior to termination of this Agreement following the delivery of any notice of termination delivered in accordance with Section 6.1(b) or Section 6.2, in addition to the Services, Rentech will,
and will cause its Affiliates to, provide to MLP such additional services as may be reasonably requested by the GP to assist the Services Recipients in effecting a transition of the responsibility for providing the Services. 

Section 6.5 Survival. The provisions of this Article VI and Sections 3.3, 4.1, 4.2,
5.1, 8.1, 8.2, 8.3 and Articles IX and X will survive and continue in full force and effect notwithstanding the termination of this Agreement. 

ARTICLE VII. 

REPRESENTATIONS AND WARRANTIES 
 Section 7.1 Representations and Warranties of Rentech. Rentech hereby represents, warrants and covenants to the other Parties that as of the date hereof: 

(a) Rentech is duly organized, validly existing, and in good standing under the laws of the State of Colorado; Rentech is duly qualified
and in good standing in the States required in order to perform the Services except where failure to be so qualified or in good standing would not reasonably be expected to have a material adverse impact on GP or MLP; and Rentech has full power and
authority to execute and deliver this Agreement and to perform its obligations hereunder; 
 (b) Rentech has duly executed and
delivered this Agreement and, assuming the accuracy of the representations and warranties in Section 7.2, this Agreement constitutes the legal, valid and binding obligation of Rentech, enforceable against it in accordance with its terms
(except as may be limited by bankruptcy, insolvency or similar laws of general application and by the effect of general principles of equity, regardless of whether considered at law or in equity); and 

(c) The authorization, execution, delivery, and performance of this Agreement by Rentech does not and will not (i) conflict with, or
result in a breach, default or violation of, (A) the articles of incorporation of Rentech, (B) any contract or agreement to which such Rentech is a party or is otherwise subject, or (C) any law, order, judgment, decree, writ,
injunction or arbitral award to which such Rentech is subject; or (ii) require any consent, approval or authorization from, filing or registration with, or notice to, any governmental 

  
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authority or other Person, unless such requirement has already been satisfied, except, in the case of clauses (i)(B) and (i)(C), for such conflicts, breaches, defaults or violations that would
not have a material adverse effect on Rentech or on its ability to perform its obligations hereunder, and except, in the case of clause (ii), for such consents, approvals, authorizations, filings, registrations or notices, the failure of which to
obtain or make would not have a material adverse effect on Rentech or on its ability to perform its obligations hereunder. 

Section 7.2 Representations and Warranties of GP and MLP. Each of GP and MLP hereby represents, warrants and covenants to
Rentech that as of the date hereof: 
 (a) Each of GP and MLP is duly organized, validly existing, and in good standing under
the laws of the jurisdiction of its formation; each of GP and MLP has full power and authority to execute and deliver this Agreement and to perform its obligations hereunder; 
 (b) Each of GP and MLP has duly executed and delivered this Agreement and, assuming the accuracy of the representations and warranties in Section 7.1, this Agreement constitutes the legal,
valid and binding obligation of each such Person enforceable against it in accordance with its terms (except as may be limited by bankruptcy, insolvency or similar laws of general application and by the effect of general principles of equity,
regardless of whether considered at law or in equity); and 
 (c) The authorization, execution, delivery, and performance of
this Agreement by each of GP and MLP does not and will not (i) conflict with, or result in a breach, default or violation of, (A) the limited liability company agreement of GP or the partnership agreement of MLP, (B) any contract or
agreement to which such Person is a party or is otherwise subject, or (C) any law, order, judgment, decree, writ, injunction or arbitral award to which such Person is subject; or (ii) require any consent, approval or authorization from,
filing or registration with, or notice to, any governmental authority or other Person, unless such requirement has already been satisfied, except, in the case of clause (i)(B) and (i)(C), for such conflicts, breaches, defaults or violations that
would not have a material adverse effect on GP or MLP or on their ability to perform their obligations hereunder, and except, in the case of clause (ii), for such consents, approvals, authorizations, filings, registrations or notices, the failure of
which to obtain or make would not have a material adverse effect on GP or MLP or on their ability to perform their respective obligations hereunder. 
 ARTICLE VIII. 
 ADDITIONAL REQUIREMENTS 

Section 8.1 Indemnity. The Services Recipients shall indemnify, reimburse, defend and hold harmless Rentech and its
Affiliates and their respective successors and permitted assigns, together with their respective employees, officers, members, managers, directors, agents and representatives (collectively the “Indemnified Parties”), from and
against all losses (including lost profits), costs, damages, injuries, taxes, penalties, interest, expenses, obligations, claims and liabilities (joint or several) of any kind or nature whatsoever (collectively “Losses”) that are
incurred by such Indemnified Parties in connection with, relating to or arising out of (i) the breach of any term or condition of this Agreement, or (ii) the performance of any Services hereunder; provided, however, that the Services
Recipients shall not be obligated to indemnify, reimburse, defend or hold harmless any Indemnified Party for any Losses incurred, by such Indemnified Party in connection with, relating to or arising out of: 

(a) a breach by such Indemnified Party of this Agreement; 

  
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 (b) the gross negligence, willful misconduct, bad faith or reckless disregard of such
Indemnified Party in the performance of any Services hereunder; or 
 (c) fraudulent or dishonest acts of such Indemnified Party
with respect to the Services Recipients. 
 The rights of any Indemnified Party referred to above shall be in addition to any rights that such
Indemnified Party shall otherwise have at law or in equity. Without the prior written consent of the Services Recipients, no Indemnified Party shall settle, compromise or consent to the entry of any judgment in any claim, action, proceeding or
investigation in respect of which indemnification is sought hereunder unless (a) such settlement, compromise or consent includes an unconditional release of the Services Recipients from all liability arising out of such claim, action,
proceeding or investigation and (b) the parties involved agree that the terms of such settlement, compromise or consent shall remain confidential. In the event that indemnification for a particular Loss is provided for under any other
agreements between Rentech or any of its Affiliates and any of the Services Recipients or any of their Affiliates, then such indemnification (and any limitations thereon) as provided in such other agreement shall apply as to such particular Losses
and shall supersede and be in lieu of any indemnification that would otherwise apply to such particular Losses under this Agreement. 
 Section 8.2 Limitation of Duties and Liability. The relationship of Rentech to the Services Recipients pursuant to this Agreement is as an independent contractor and nothing in this Agreement
shall be construed to impose on Rentech, or on any of its Affiliates, or on any of their respective successors and permitted assigns, or on their respective employees, officers, members, managers, directors, agents and representatives, an express or
implied fiduciary duty. Rentech and its Affiliates and their respective successors and permitted assigns, together with their respective employees, officers, members, managers, directors, agents and representatives, shall not be liable for, and the
Services Recipients shall not take, or permit to be taken, any action against any of such Persons to hold such Persons liable for, (a) any error of judgment or mistake of law or for any liability or loss suffered by the Services Recipients in
connection with the performance of any Services under this Agreement, except for a liability or loss resulting from gross negligence, willful misconduct, bad faith or reckless disregard in the performance of the Services, or (b) any fraudulent
or dishonest acts with respect to the Services Recipients. In no event, whether based on contract, indemnity, warranty, tort (including negligence), strict liability or otherwise, shall Rentech or its Affiliates, their respective successors and
permitted assigns, or their respective employees, officers, members, managers, directors, agents and representatives, be liable for loss of profits or revenue or special, incidental, exemplary, punitive or consequential damages. 

  
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 Section 8.3 Reliance. Rentech and its Affiliates and their respective successors
and permitted assigns, together with their respective employees, officers, members, managers, directors, agents and representatives, may take and may act and rely upon: 
 (a) the opinion or advice of legal counsel, which may be in-house counsel to the Services Recipients or to Rentech or its Affiliates, any U.S.-based law firm, or other legal counsel reasonably acceptable
to the Board of Directors of the GP, in relation to the interpretation of this Agreement or any other document (whether statutory or otherwise) or generally in connection with the Services Recipients; 

(b) advice, opinions, statements or information from bankers, accountants, auditors, valuation consultants and other consulted Persons
who are in each case believed by the relying Person in good faith to be expert in relation to the matters upon which they are consulted; or 
 (c) any other document provided in connection with the Services Recipients upon which it is reasonable for the applicable Person to rely. 
 A Person shall not be liable for anything done, suffered or omitted by it in good faith in reliance upon such opinion, advice, statement, information or document. 

Section 8.4 Services to Others. While Rentech is providing the Services under this Agreement, Rentech shall also be permitted
to provide services, including services similar to the Services covered hereby, to others, including Affiliates of Rentech. 

Section 8.5 Transactions With Affiliates. Rentech may recommend to the Services Recipients, and may engage in, transactions
with any of Rentech’s Affiliates. 
 Section 8.6 Sharing of Information. Rentech, and its Affiliates and other
agents or representatives, shall be permitted to share Services Recipients’ information with its Affiliates and other Persons as reasonably necessary to perform the Services, subject to appropriate and reasonable confidentiality arrangements.

 Section 8.7 Disclosure of Remuneration. Rentech shall disclose the amount of compensation of any Administrative
Employee to the MLP to the extent required for the Services Recipients to comply with the requirements of applicable law, including applicable Federal securities laws. 
 Section 8.8 Plant Personnel. Personnel performing the actual day-to-day business and operations of Operating Company at the plant level will be employed by GP and GP will bear all Personnel
Costs, Share-Based Compensation and other costs relating to such personnel. 
 Section 8.9 Election. The Services
Recipients shall cause the election of any Seconded Personnel or Administrative Personnel that is an officer of a Services Recipient to the extent required by the organizational documents of the Services Recipients. The Board of Directors of the GP,
after due consultation with Rentech, may at any time request that Rentech replace any Seconded Personnel and Rentech shall, as promptly as practicable, replace any such Seconded Personnel, subject to the requirements for the election of officers
under the organizational documents of the Services Recipients. 

  
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 ARTICLE IX. 
 DISPUTES 
 Section 9.1 Resolution of Disputes. The Parties shall in
good faith attempt to resolve promptly and amicably any dispute between the Parties arising out of or relating to this Agreement (each a “Dispute”) pursuant to this Article IX. The Parties shall first submit the Dispute
to the Rentech Representative and the GP/MLP Representative, who shall then meet within fifteen (15) days to resolve the Dispute. If the Dispute has not been resolved within forty-five (45) days after the submission of the Dispute to the
Rentech Representative and the GP/MLP Representative, the Dispute shall be submitted to a mutually agreed non-binding mediation. The costs and expenses of the mediator shall be borne equally by the Parties, and the Parties shall pay their own
respective attorneys’ fees and other costs. If the Dispute is not resolved by mediation within ninety (90) days after the Dispute is first submitted to the Rentech Representative and the GP/MLP Representative as provided above, then the
Parties may exercise all available remedies. 
 Section 9.2 Multi-Party Disputes. The Parties acknowledge that they
or their respective Affiliates may enter into additional agreements with third parties that relate to the subject matter of this Agreement and that, as a consequence, Disputes may arise hereunder that involve such third parties (each a
“Multi-Party Dispute”). Accordingly, the Parties agree, with the consent of such third parties, that any such Multi-Party Dispute, to the extent feasible, shall be resolved by and among all the interested parties consistent with the
provisions of this Article IX. 
 ARTICLE X. 
 MISCELLANEOUS 
 Section 10.1 Notices. Except as expressly set forth to
the contrary in this Agreement, all notices, requests or consents provided for or permitted to be given under this Agreement must be in writing and must be delivered to the recipient in person, by courier or mail or by facsimile; and a notice,
request or consent given under this Agreement is effective on receipt by the Party to receive it; provided, however, that a facsimile transmission that is transmitted after the normal business hours of the recipient shall be deemed effective on the
next business day. All notices, requests and consents must be sent to or made as provided below. 
 If to GP or MLP, to:

 Rentech Nitrogen GP, LLC 
 10877 Wilshire Boulevard 
 Suite 600 

Los Angeles, CA 90024 
 Facsimile: (310) 571-9799 
 Attention: General Counsel 

  
 12 

 If to Rentech, to: 
 Rentech, Inc. 
 10877 Wilshire Boulevard 

Suite 600 
 Los
Angeles, CA 90024 
 Facsimile: (310) 571-9799 
 Attention: General Counsel 
 Section 10.2 Effect of Waiver or Consent.
Except as otherwise provided in this Agreement, a waiver or consent, express or implied, to or of any breach or default by any Party in the performance by that Party of its obligations under this Agreement is not a consent or waiver to or of any
other breach or default in the performance by that Party of the same or any other obligations of that Party under this Agreement. Except as otherwise provided in this Agreement, failure on the part of a Party to complain of any act of another Party
or to declare another Party in default under this Agreement, irrespective of how long that failure continues, does not constitute a waiver by that Party of its rights with respect to that default until the applicable statute-of-limitations period
has run. 
 Section 10.3 Headings; References; Interpretation. All Article and Section headings in this Agreement
are for convenience only and will not be deemed to control or affect the meaning or construction of any of the provisions hereof. The words “hereof,” “herein” and “hereunder” and words of similar import, when used in
this Agreement, will refer to this Agreement as a whole, and not to any particular provision of this Agreement. All references herein to Articles and Sections will, unless the context requires a different construction, be deemed to be references to
the Articles and Sections of this Agreement, respectively. All personal pronouns used in this Agreement, whether used in the masculine, feminine or neuter gender, will include all other genders, and the singular will include the plural and vice
versa. The terms “include,” “includes,” “including” or words of like import will be deemed to be followed by the words “without limitation.” 

Section 10.4 Successors and Assigns. This Agreement will be binding upon and inure to the benefit of the Parties and their
respective successors and assigns. 
 Section 10.5 No Third Party Rights. The provisions of this Agreement are
intended to bind the parties signatory hereto as to each other and are not intended to and do not create rights in any other person or confer upon any other person any benefits, rights or remedies, and no person is or is intended to be a third party
beneficiary of any of the provisions of this Agreement. 
 Section 10.6 Counterparts. This Agreement may be executed
in any number of counterparts, all of which together will constitute one agreement binding on the Parties. 
 Section 10.7
Governing Law. THIS AGREEMENT IS GOVERNED BY AND SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO CONFLICTS OF LAWS PRINCIPLES. 
 Section 10.8 Submission to Jurisdiction; Waiver of Jury Trial. Subject to the provisions of Article IX, each of the Parties hereby irrevocably acknowledges and consents that any
legal action or proceeding brought with respect to any of the obligations arising under or 

  
 13 

 
relating to this Agreement may be brought in the courts of the State of New York, or in the United States District Court for the Southern District of New York and each of the Parties hereby
irrevocably submits to and accepts with regard to any such action or proceeding, for itself and in respect of its property, generally and unconditionally, the non-exclusive jurisdiction of the aforesaid courts. Each Party hereby further irrevocably
waives any claim that any such courts lack jurisdiction over such Party, and agrees not to plead or claim, in any legal action or proceeding with respect to this Agreement or the transactions contemplated hereby brought in any of the aforesaid
courts, that any such court lacks jurisdiction over such Party. Each Party irrevocably consents to the service of process in any such action or proceeding by the mailing of copies thereof by registered or certified mail, postage prepaid, to such
party, at its address for notices set forth in this Agreement, such service to become effective ten (10) days after such mailing. Each Party hereby irrevocably waives any objection to such service of process and further irrevocably
waives and agrees not to plead or claim in any action or proceeding commenced hereunder or under any other documents contemplated hereby that service of process was in any way invalid or ineffective. The foregoing shall not limit the rights of any
Party to serve process in any other manner permitted by applicable law. The foregoing consents to jurisdiction shall not constitute general consents to service of process in the State of New York for any purpose except as provided above and shall
not be deemed to confer rights on any Person other than the respective Parties. Each of the Parties hereby waives any right it may have under the laws of any jurisdiction to commence by publication any legal action or proceeding with respect this
Agreement. To the fullest extent permitted by applicable law, each of the Parties hereby irrevocably waives the objection which it may now or hereafter have to the laying of the venue of any suit, action or proceeding arising out of or relating to
this Agreement in any of the courts referred to in this Section 10.8 and hereby further irrevocably waives and agrees not to plead or claim that any such court is not a convenient forum for any such suit, action or proceeding. The
Parties agree that any judgment obtained by any Party or its successors or assigns in any action, suit or proceeding referred to above may, in the discretion of such Party (or its successors or assigns), be enforced in any jurisdiction, to the
extent permitted by applicable law. The Parties agree that the remedy at law for any breach of this Agreement may be inadequate and that should any dispute arise concerning any matter hereunder, this Agreement shall be enforceable in a court of
equity by an injunction or a decree of specific performance. Such remedies shall, however, be cumulative and nonexclusive, and shall be in addition to any other remedies which the Parties may have. Each Party hereby waives, to the fullest extent
permitted by applicable law, any right it may have to a trial by jury in respect of any litigation as between the Parties directly or indirectly arising out of, under or in connection with this Agreement or the transactions contemplated hereby or
disputes relating hereto. Each Party (a) certifies that no representative, agent or attorney of any other Party has represented, expressly or otherwise, that such other Party would not, in the event of litigation, seek to enforce the foregoing
waiver and (b) acknowledges that it and the other Parties have been induced to enter into this Agreement by, among other things, the mutual waivers and certifications in this Section 10.8. 

Section 10.9 Remedies to Prevailing Party. If any action at law or equity is necessary to enforce or interpret the terms of
this Agreement, the prevailing party shall be entitled to reasonable attorneys’ fees, costs, and necessary disbursements in addition to any other relief to which such party may be entitled. 

  
 14 

 Section 10.10 Severability. If any provision of this Agreement or the
application thereof to any Person or any circumstance is held invalid or unenforceable to any extent, the remainder of this Agreement and the application of such provision to other Persons or circumstances shall not be affected thereby and shall be
enforced to the greatest extent permitted by law. 
 Section 10.11 Amendment or Modification. This Agreement may be
amended or modified from time to time only by the written agreement of all the Parties. 
 Section 10.12
Integration. This Agreement and the exhibit referenced herein supersede all previous understandings or agreements among the Parties, whether oral or written, with respect to its subject matter. This Agreement and such exhibit contain the
entire understanding of the Parties with respect to its subject matter. In the case of any actual conflict or inconsistency between the terms of this Agreement and the agreement of limited partnership of MLP, the terms of the agreement of limited
partnership of MLP shall control. No understanding, representation, promise or agreement, whether oral or written, is intended to be or will be included in or form part of this Agreement unless it is contained in a written amendment hereto executed
by the Parties after the date of this Agreement. 
 Section 10.13 Further Assurances. In connection with this
Agreement and the transactions contemplated hereby, each Party shall execute and deliver any additional documents and instruments and perform any additional acts that may be reasonably necessary or appropriate to effectuate and perform the
provisions of this Agreement and those transactions. 
 [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK.] 

  
 15 

 This Agreement has been duly executed by the Parties as of the date first written above.

  

			
	RENTECH NITROGEN PARTNERS, L.P.
		
	By:	 	 RENTECH NITROGEN GP, LLC

its General Partner

		
	By:	 	  

	Name:	 	
	Title:	 	
	
	RENTECH NITROGEN GP, LLC
		
	By:	 	  

	Name:	 	
	Title:	 	
	
	RENTECH, INC.
		
	By:	 	  

	Name:	 	
	Title:	 	

 Service Agreement Signature Page 

 EXHIBIT 1 
 The Services shall include the following: 
  

	•	 	 services from Rentech Personnel in capacities equivalent to the capacities of corporate executive officers, except that those who serve in such
capacities shall serve on a shared, part-time basis only, unless and to the extent otherwise agreed by MLP and Rentech; 

  

	•	 	 administrative and professional services, including legal, accounting, human resources, information technology, insurance, tax, credit, finance,
payroll, investor and public relations, communications, government affairs and regulatory affairs; 

  

	•	 	 assistance with accounting and tax audits performed on the Services Recipients; 

 

	•	 	 assistance with the books and records of the Services Recipients in accordance with customary practice and generally accepted accounting principles;

  

	•	 	 assistance with the reports and other documents filed by MLP with the Securities and Exchange Commission; 

 

	•	 	 assistance with Schedules K-1 prepared by MLP; 

  

	•	 	 recommendations on capital raising activities to the Board of Directors of the GP, including (x) the issuance of debt or equity securities, the
entry into credit facilities or other credit arrangements, structured financings or other capital market transactions, and (y) changes or other modifications in the capital structure of the Services Recipients, including repurchases of
securities; 

  

	•	 	 managing or overseeing litigation, administrative or regulatory proceedings and investigations of the Services Recipients’ business or operations
that may arise in the ordinary course of business or otherwise, subject to the approval of the Board of Directors of the GP in connection with the settlement, compromise, consent to the entry of an order or judgment or other agreement resolving any
of the foregoing; 

  

	•	 	 engineering services; 

  

	•	 	 safety and environmental advice; 

  

	•	 	 establishing and maintaining appropriate insurance policies with respect to the Services Recipients’ business and operations (to the extent such
insurance policies are not established and maintained by the Services Recipients); 

  

	•	 	 recommendations to the Board of Directors of the GP regarding the declaration and payment of cash distributions on the equity interests of the Services
Recipients; 

  

	•	 	 assistance on the timely calculation and payment of taxes payable, and the filing of all taxes return due, by the Services Recipients; and

  

	•	 	 managing or providing advice for other projects, including acquisitions, as may be agreed to between GP and Rentech from time to time.Form of Omnibus Agreement

 Exhibit 10.17 
 FORM OF 
 OMNIBUS AGREEMENT 

among 

RENTECH, INC., 
 RENTECH NITROGEN GP, LLC 
 and 

RENTECH NITROGEN PARTNERS, L.P. 

 OMNIBUS AGREEMENT 
 THIS OMNIBUS AGREEMENT, dated as of                     , 2011 (the “Closing
Date”), is entered into by and among RENTECH, INC., a Colorado corporation (“Rentech”), RENTECH NITROGEN GP, LLC, a Delaware limited liability company (the “General Partner”), and RENTECH NITROGEN PARTNERS,
L.P., a Delaware limited partnership (the “Partnership” and, collectively with Rentech and the General Partner, the “Parties”, and each, a “Party”). 

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

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

DEFINITIONS 

Section 1.1 Definitions. As used in this Agreement, the following terms shall have the respective meanings set forth below:

 “Agreement” means this Omnibus Agreement, by and among Rentech, the General Partner and the Partnership, as
it may be amended, supplemented or restated from time to time. 
 “Annual Deductible Amount” is defined in
Section 2.3(a). 
 “Cap Amount” is defined in Section 2.3(a). 

“Closing Date” is defined in the introduction to this Agreement. 

“Control” means the possession, direct or indirect, of the power to direct or cause the direction of the management and
policies of a Person, whether through ownership of voting securities, by contract or otherwise. 
 “Covered
Environmental Liabilities” means any Environmental Liabilities of the Operating Company to the extent arising out of the ownership or operation of the Operating Company prior to the Closing Date, other than (a) any EPA Matter
Liabilities in an aggregate amount not to exceed $400,000, and (b) any Environmental Liabilities to the extent reflected on the Latest Balance Sheet. 
 “Covered Post-Closing Income Tax Liabilities” means all federal, state and local income tax liabilities attributable to the ownership or operation of the Operating Company on or after the
Closing Date, except to the extent such taxes are specifically included in the definition of Covered Pre-Closing Income Tax Liabilities or are attributable to Rentech’s indirect ownership of the Operating Company through its ownership in the
Partnership after the Closing Date. 

  
 1 

 “Covered Post-Closing Liabilities” means any Liabilities of the Operating
Company to the extent arising out of the ownership or operation of the Operating Company on or after the Closing Date, other than any Covered Post-Closing Income Tax Liabilities. 

“Covered Pre-Closing Income Tax Liabilities” means all Pre-Closing Income Tax Liabilities, other than (a) any
Pre-Closing Income Tax Liabilities to the extent reflected on the Latest Balance Sheet; and (b) any Pre-Closing Income Tax Liabilities that Rentech has satisfied through the use of net operating loss carry-forwards in accordance with the terms
of the Management Services Agreement (in an amount not to exceed $                    ). 

“Covered Pre-Closing Liabilities” means any Liabilities of the Operating Company to the extent arising out of the
ownership or operation of the Operating Company prior to the Closing Date, other than (a) any Environmental Liabilities, (b) any Pre-Closing Income Tax Liabilities, (c) any Liabilities to the extent reflected on the Latest Balance
Sheet and (d) any Liabilities that have arisen since the date of the Latest Balance Sheet in the ordinary course of business. 
 “Distribution Agreement” means the Distribution Agreement, dated April 26, 2006, between Royster-Clark Resources LLC and the Operating Company, as amended or modified pursuant to
(a) the Amendment to Distribution Agreement, dated October 13, 2009, among the Operating Company, Rentech Development Corporation and Agrium U.S., Inc.; and (b) the Assignment and Assumption Agreement, dated as of September 29,
2006, by and between Royster-Clark, Inc., Agrium U.S. Inc. and Rentech Development Corporation. 
 “Environmental
Laws” means all laws which regulate or relate to the protection or clean-up of the environment, the use, treatment, storage, transportation, generation, manufacture, processing, distribution, handling or disposal of, or emission, discharge
or other Release or threatened Release of, Hazardous Substances or otherwise dangerous substances, wastes, pollution or materials (whether, gas, liquid or solid), the preservation or protection of waterways, groundwater, drinking water, air,
wildlife, plants or other natural resources, or the health and safety of persons or property, including, without limitation, protection of the health and safety of employees. Environmental Laws shall include, without limitation, the Federal
Insecticide, Fungicide and Rodenticide Act, Resource Conservation & Recovery Act, Clean Water Act, Safe Drinking Water Act, Atomic Energy Act, Occupational Safety and Health Act, Toxic Substances Control Act, Clean Air Act, Comprehensive
Environmental Response, Compensation and Liability Act, Emergency Planning and Community Right-to-Know Act, Hazardous Materials Transportation Act and all analogous or related federal, state or local laws, each as amended. 

“Environmental Liabilities” means any damages or obligations arising out of or relating in any way to: (a) a
violation of or liability under any Environmental Law; (b) a failure to obtain, maintain, or comply with any permit required or issued pursuant to any Environmental Law; (c) a Release, threatened Release or exposure to any Hazardous
Substance; (d) any environmental investigation, remediation, removal, clean-up or monitoring required under Environmental Laws; or (e) the use, generation, storage, transportation, treatment, sale or other off-site disposal of Hazardous
Substances. 
 “EPA Matter Liabilities” means any Environmental Liabilities arising from the matter described
on Exhibit A. 

  
 2 

 “General Partner” is defined in the introduction to this Agreement.

 “Hazardous Substances” means all pollutants, contaminants, chemicals, wastes, and any other infectious,
carcinogenic, ignitable, corrosive, reactive, toxic or otherwise hazardous substances or materials (whether solids, liquids or gases) subject to regulation, control or remediation under applicable Environmental Laws. By way of example only, the term
Hazardous Substances includes petroleum and/or petroleum by-products, urea formaldehyde, flammable, explosive and radioactive materials, radon gas, PCBs, pesticides, herbicides, asbestos, silica, acids, metals and solvents. 

“Indemnified Party” means any member of the Partnership Group or any of the Rentech Entities, as the case may be, in its
capacity as the party entitled to indemnification in accordance with Article II. 
 “Indemnifying Party”
means any member of the Partnership Group or Rentech, as the case may be, in its capacity as the party from whom indemnification may be sought in accordance with Article II. 

“Latest Balance Sheet” means the unaudited balance sheet of the Operating Company as of
                    , 2011. 
 “Liabilities” shall mean any liability, indebtedness, obligation, commitment, expense, claim, tax, guaranty or endorsement of or by any Person of any type, whether accrued, absolute,
contingent, matured or unmatured. 
 “Losses” means any losses, damages, claims, demands, causes of action,
judgments, settlements, fines, penalties, costs and expenses (including, without limitation, court costs and reasonable attorney’s and expert’s fees). 
 “Management Services Agreement” means the Management Services Agreement, dated April 26, 2006, and as amended on July 29, 2011, by and between Rentech and the Operating Company.

 “Operating Company” means Rentech Nitrogen, LLC, a Delaware limited liability company (formerly known as
Rentech Energy Midwest Corporation, a Delaware corporation). 
 “Operating Company Assets” means (a) the
Operating Company’s nitrogen fertilizer facility in East Dubuque, Illinois, including the buildings, special purpose structures, equipment, storage tanks and specialized truck, rail and river barge loading facilities located at such facility;
and (b) the 15,000 tons of ammonia storage space at the Niota, Illinois terminal owned by Agrium Inc and used by the Operating Company in accordance with the Distribution Agreement, in each case, as of the Closing Date and as described in more
detail in the Registration Statement. 
 “Organizational Documents” means certificates of incorporation,
by-laws, certificates of formation, limited liability company operating agreements, certificates of limited partnership or limited partnership agreements or other formation or governing documents of a particular entity. 

  
 3 

 “Partnership” is defined in the introduction to this Agreement. 

“Partnership Agreement” means the First Amended and Restated Agreement of Limited Partnership of the Partnership, dated
as of the Closing Date, as it may be amended, supplemented or restated from time to time. 
 “Partnership Change of
Control” means Rentech ceases to Control the general partner of the Partnership. 
 “Partnership
Group” means the Partnership and its Subsidiaries, including the Operating Company, treated as a single consolidated entity. 
 “Party” and “Parties” are defined in the introduction to this Agreement. 
 “Person” means an individual or a corporation, limited liability company, partnership, joint venture, trust, unincorporated organizational association, government agency or political
subdivision thereof or other entity. 
 “Pre-Closing Income Tax Liabilities” means all federal, state and local
income tax liabilities attributable to the ownership or operation of the Operating Company prior to the Closing Date, including (a) any such income tax liabilities of the Partnership Group that result from the consummation of the formation
transactions for the Partnership Group occurring on or prior to the Closing Date and (b) any income tax liabilities arising under Treasury Regulation Section 1.1502-6 and any similar provision from state, local or foreign applicable law,
by contract, as successor, transferred or otherwise and which income tax is attributable to having been a member of any consolidated, combined or unitary group prior to the Closing Date. 

“Registration Statement” means the Registration Statement on Form S-1 (File No. 333- 176065) as it has been or as
it may be amended or supplemented from time to time, filed by the Partnership with the Commission under the Securities Act of 1933, as amended. 
 “Release” means any release, spill, emission, leaking, pumping, pouring, dumping, emptying, injection, deposit, disposal, discharge, dispersal, leaching, or migration into or through the
environment. 
 “Rentech” is defined in the introduction to this Agreement. 

“Rentech Marks” means the Rentech corporate logo and other trademarks set forth on Exhibit B hereto. 

“Retained Assets” means the assets owned by Rentech and its Subsidiaries (other than the General Partner and the
Partnership Group) as of the Closing Date. 
 “Rentech Entities” means Rentech and any Subsidiary of Rentech,
other than the General Partner or a member of the Partnership Group; and “Rentech Entity” means any of the Rentech Entities. 

  
 4 

 “Subsidiary” means, with respect to any Person, (a) a corporation of
which more than 50% of the voting power of shares entitled (without regard to the occurrence of any contingency) to vote in the election of directors or other governing body of such corporation is owned, directly or indirectly, at the date of
determination, by such Person, by one or more Subsidiaries of such Person or a combination thereof, (b) a partnership (whether general or limited) in which such Person or a Subsidiary of such Person is, at the date of determination, a general
partner of such partnership, but only if such Person, directly or by one or more Subsidiaries of such Person, or a combination thereof, Controls such partnership, directly or indirectly, at the date of determination, or (c) any other Person
(other than a corporation or a partnership) in which such Person, one or more Subsidiaries of such Person, or a combination thereof, directly or indirectly, at the date of determination, has (i) at least a majority ownership interest or
(ii) the power to elect or direct the election of a majority of the directors, managers or other governing body of such Person. 
 ARTICLE II. 
 INDEMNIFICATION 

Section 2.1 Indemnification by Rentech. Subject to Section 2.3, Rentech shall indemnify, defend and hold harmless the
Partnership Group from and against any Losses suffered or incurred by the Partnership Group by reason or as a result of: 
 (a) any Covered Environmental Liabilities that are asserted during the period ending on the third anniversary of the Closing Date; 

(b) any Covered Pre-Closing Liabilities that are asserted during the period ending on the seventh anniversary of the
Closing Date; 
 (c) any Covered Pre-Closing Income Tax Liabilities that are asserted during
the period ending on the 30th day after the expiration of
the applicable statute of limitations; 
 (d) the failure of the Partnership Group, as of the Closing Date, to be
the owner of valid and indefeasible easement rights, contractual rights, leasehold interests and/or fee ownership interests in and to the lands on which the Operating Company Assets are located, and such failure renders the Partnership Group liable
to a third party or unable to use or operate the Operating Company Assets in substantially the same manner that the Operating Company Assets were used and operated immediately prior to the Closing Date, which failure(s) are identified prior to the
fifth anniversary of the Closing Date; and 
 (e) any events or conditions associated with the Retained Assets.

 Section 2.2 Indemnification by the Partnership Group. Subject to Section 2.3, the Partnership Group shall,
jointly and severally, indemnify, defend and hold harmless each of the Rentech Entities from and against any Losses suffered or incurred by the Rentech Entities by reason or as result of: 

(a) any Covered Post-Closing Liabilities; 

  
 5 

 (b) any Covered Post-Closing Income Tax Liabilities that are asserted during
the period ending on the 30th day after the expiration of the applicable statute of limitations; 
 (c) any EPA
Matter Liabilities in an aggregate amount not to exceed $400,000; 
 (d) any Liabilities to the extent reflected
on the Latest Balance Sheet; and 
 (e) any Liabilities, other than Covered Environmental Liabilities and Covered
Pre-Closing Income Tax Liabilities, which have arisen since the date of the Latest Balance Sheet in the ordinary course of business; 
 in each
case, unless such indemnification would not be permitted under the Partnership Agreement by reason of the proviso contained in Section 7.7(a) of the Partnership Agreement. 

Section 2.3 Limitations Regarding Indemnification. 

(a) Rentech shall not, in any calendar year, be obligated to indemnify, defend or hold harmless the Partnership Group for
any Loss under Section 2.1(a) or Section 2.1(b) until such time as the aggregate amount of all such Losses in such calendar year exceeds $250,000 (the “Annual Deductible Amount”), at which time Rentech shall
be obligated to indemnify the Partnership Group for such Losses that are in excess of the Annual Deductible Amount that are incurred by the Partnership Group in such calendar year. Rentech shall not be obligated to indemnify, defend or hold harmless
the Partnership Group for Losses under Section 2.1(a) or Section 2.1(b) to the extent that the aggregate amount of all such Losses are in excess of $10,000,000 (the “Cap Amount”). 

(b) The Partnership Group shall not, in any calendar year, be obligated to indemnify, defend or hold harmless the Rentech
Entities for any Loss under Section 2.2(a) until such time as the aggregate amount of all such Losses in such calendar year exceeds the Annual Deductible Amount, at which time the Partnership Group shall be obligated to indemnify the
Rentech Entities for such Losses that are in excess of the Annual Deductible Amount that are incurred by the Rentech Entities in such calendar year. The Partnership Group shall not be obligated to indemnify, defend or hold harmless the Rentech
Entities for Losses under Section 2.2(a) to the extent that the aggregate amount of all such Losses are in excess of the Cap Amount. 
 (c) NOTWITHSTANDING ANYTHING HEREIN TO THE CONTRARY, IN NO EVENT SHALL ANY PARTY’S INDEMNIFICATION OBLIGATION HEREUNDER COVER OR INCLUDE CONSEQUENTIAL, INDIRECT, INCIDENTAL, PUNITIVE, EXEMPLARY,
SPECIAL OR SIMILAR DAMAGES OR LOST PROFITS SUFFERED BY ANY OTHER PARTY ENTITLED TO INDEMNIFICATION UNDER THIS AGREEMENT. 

Section 2.4 Indemnification Procedures. 
 (a) The Indemnified Party agrees that within a reasonable period of time after it becomes aware of facts giving rise to a claim for indemnification under this Article II, it will

  
 6 

 
provide notice thereof in writing to the Indemnifying Party, specifying the nature of and specific basis for such claim. 

(b) The Indemnifying Party shall have the right to control all aspects of the defense of (and any counterclaims with
respect to) any claims brought against the Indemnified Party by any Person (other than a Party) that are covered by the indemnification under this Article II, including, without limitation, the selection of counsel, determination of
whether to appeal any decision of any court and the settling of any such claim or any matter or any issues relating thereto; provided, however, that no such settlement shall be entered into without the consent of the Indemnified Party unless it
includes a full release of the Indemnified Party from such claim. 
 (c) The Indemnified Party agrees to
cooperate in good faith and in a commercially reasonable manner with the Indemnifying Party, with respect to all aspects of the defense of any claims covered by the indemnification under this Article II, including, without limitation,
the prompt furnishing to the Indemnifying Party of any correspondence or other notice relating thereto that the Indemnified Party may receive, permitting the name of the Indemnified Party to be utilized in connection with such defense, the making
available to the Indemnifying Party of any files, records or other information of the Indemnified Party that the Indemnifying Party considers relevant to such defense, the making available to the Indemnifying Party of any employees of the
Indemnified Party and the granting to the Indemnifying Party of reasonable access rights to the properties and facilities of the Indemnified Party; provided, however, that in connection therewith the Indemnifying Party agrees to use reasonable
efforts to minimize the impact thereof on the operations of the Indemnified Party and further agrees to maintain the confidentiality of all files, records and other information furnished by the Indemnified Party pursuant to this
Section 2.4. In no event shall the obligation of the Indemnified Party to cooperate with the Indemnifying Party as set forth in the immediately preceding sentence be construed as imposing upon the Indemnified Party an obligation to hire
and pay for counsel in connection with the defense of any claims covered by the indemnification set forth in this Article II; provided, however, that the Indemnified Party may, at its own option, cost and expense, hire and pay for
counsel in connection with any such defense. The Indemnifying Party agrees to keep any such counsel hired by the Indemnified Party informed as to the status of any such defense, but the Indemnifying Party shall have the right to retain sole control
over such defense. 
 (d) In determining the amount of any Loss for which the Indemnified Party is entitled to
indemnification under this Agreement, the gross amount of the indemnification will be reduced by (i) any insurance proceeds realized by the Indemnified Party, and such correlative insurance benefit shall be net of any incremental insurance
premium that becomes due and payable by the Indemnified Party as a result of such claim and (ii) all amounts recovered by the Indemnified Party under contractual indemnities from third Persons. 

ARTICLE III. 

TRADEMARK LICENSE 

Section 3.1 Grant of License. Subject to the terms and conditions set forth herein, Rentech hereby grants, and agrees to cause its
Affiliates to grant, to the General Partner and the 

  
 7 

 
Partnership Group, a royalty-free, worldwide, non-exclusive, non-sublicensable and non-transferable (without the prior written consent of Rentech) right and license to use the Rentech Marks
solely in connection with the business of the Partnership Group. Notwithstanding the provisions of Section 4.4, Rentech may assign the license granted under this Section 3.1 without the consent of the General Partner, the
Partnership, or any member of the Partnership Group. 
 Section 3.2 Ownership. The General Partner and the Partnership,
on behalf of itself and the other members of the Partnership Group, agree that Rentech retains all right, title and interest in and to the Rentech Marks and the goodwill associated therewith, and neither the General Partner nor the Partnership Group
have any right, title or interest in and to the Rentech Marks except such right and license granted by Rentech in Section 3.1. The General Partner and the Partnership, on behalf of itself and the other members of the Partnership Group,
acknowledge and agree that their use of the Rentech Marks shall not create any right, title or interest in or to any of the Rentech Marks, and all use of the Rentech Marks by the General Partner, the Partnership or any other member of the
Partnership Group, shall inure solely to the benefit of Rentech. The General Partner and the Partnership, on behalf of itself and the other members of the Partnership Group, acknowledge and agree that they shall never challenge, contest or question
the validity of Rentech’s ownership of the Rentech Marks or any registrations thereof by Rentech. Neither the General Partner nor any member of the Partnership Group shall in any manner represent that it has any ownership in the Rentech Marks
or registrations thereof, except such right and license granted by Rentech in Section 3.1. 
 Section 3.3 Quality
Control. The General Partner and the Partnership agree, and agree to cause the other members of the Partnership Group, to use the Rentech Marks in accordance with such quality standards and instructions established and communicated by Rentech
from time to time. The General Partner and the Partnership Group shall at all times indicate that the Rentech Marks are registered and/or unregistered trademarks or logos of Rentech and are being used by the General Partner and the Partnership Group
pursuant to a license granted by Rentech. The General Partner and the Partnership Group shall not use the Rentech Marks in any manner which disparages Rentech or its reputation, nor take any action or fail to take any necessary action which may
jeopardize the Rentech Marks or Rentech’s ownership or control thereof. Rentech shall have, at all reasonable times and upon five (5) business days written notice to any of the General Partner or the Partnership Group, the right to inspect
such party’s use of the Rentech Marks and the associated services, products, marketing materials, and/or advertising in order to carry out appropriate quality control. Should Rentech ever notify any of the General Partner or the Partnership
Group that any use by such party of the Rentech Marks fails to comply with Rentech’s quality standards or instructions, such party shall promptly correct such defects in accordance with reasonable instructions from Rentech with respect thereto.

 Section 3.4 Indemnification. Rentech shall, to the fullest extent permitted by applicable law, defend, indemnify and
hold harmless the Partnership Group and its successors and assigns authorized hereunder and any of their respective officers, directors, employees, agents and representatives from and against any and all Losses arising out of or related in any way
to their use of the Rentech Marks in a manner in accordance with this Article III to the extent such claims are attributable to any claim of infringement or ownership asserted by a third party as to the Rentech Marks used in such manner. The
Partnership Group shall, to the fullest extent permitted by applicable law, indemnify and hold harmless Rentech and its successors and 

  
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assigns authorized hereunder and any of their respective officers, directors, employees, agents and representatives from and against any and all Losses arising out of or related in any way to the
Partnership Group’s use of the Rentech Marks in a manner not in accordance with this Article III to the extent such claims are attributable to any claim of infringement or ownership asserted by a third party as to the Rentech Marks used
in such manner. Rentech shall have the right to control all aspects of the defense of (and any counterclaims with respect to) any claims asserted by a third party that are covered by the indemnification under this Section 3.4, including,
without limitation, the selection of counsel, determination of whether to appeal any decision of any court and the settling of any such claim or any matter or any issues relating thereto; provided, however, that where such claim is against the
Partnership Group, no such settlement shall be entered into without the consent of the Partnership Group unless it includes a full release of the Partnership Group from such claim. 

Section 3.5 Termination. The provisions of this Article III may be terminated by Rentech upon a Partnership Change of
Control, and concurrently with such termination the General Partner and the Partnership shall (a) cease all use of the Rentech Marks and shall adopt new trademarks, service marks, and trade names that are not confusingly similar to the Rentech
Marks and (b) no later than ninety (90) days following the termination of this Article III, the General Partner shall have caused each member of the Partnership Group to change its legal name so that there is no longer any reference
therein to the name “Rentech” or any variation, derivation or abbreviation thereof, and in connection therewith, the General Partner shall cause each member of the Partnership Group to make all necessary filings of certificates to amend
its Organizational Documents or otherwise change its legal name by such date. 
 ARTICLE IV. 

MISCELLANEOUS 

Section 4.1 Notices. Except as expressly set forth to the contrary in this Agreement, all notices, requests or consents provided
for or permitted to be given under this Agreement must be in writing and must be delivered to the recipient in person, by courier or mail or by facsimile; and a notice, request or consent given under this Agreement is effective on receipt by the
Party to receive it; provided, however, that a facsimile transmission that is transmitted after the normal business hours of the recipient shall be deemed effective on the next business day. All notices, requests and consents must be sent to or made
as provided below. 
 If to the Partnership or the General Partner, to: 

Rentech Nitrogen GP, LLC 
 10877 Wilshire Boulevard 
 Suite 600 

Los Angeles, CA 90024 
 Facsimile: (310) 571-9799 
 Attention: General Counsel 

If to Rentech, to: 

  
 9 

 Rentech, Inc. 
 10877 Wilshire Boulevard 
 Suite 600 

Los Angeles, CA 90024 
 Facsimile: (310) 571-9799 
 Attention: General Counsel 

Section 4.2 Effect of Waiver or Consent. Except as otherwise provided in this Agreement, a waiver or consent, express or implied,
to or of any breach or default by any Party in the performance by that Party of its obligations under this Agreement is not a consent or waiver to or of any other breach or default in the performance by that Party of the same or any other
obligations of that Party under this Agreement. Except as otherwise provided in this Agreement, failure on the part of a Party to complain of any act of another Party or to declare another Party in default under this Agreement, irrespective of how
long that failure continues, does not constitute a waiver by that Party of its rights with respect to that default until the applicable statute-of-limitations period has run. 
 Section 4.3 Headings; References; Interpretation. All Article and Section headings in this Agreement are for convenience only and will not be deemed to control or affect the meaning or construction
of any of the provisions hereof. The words “hereof,” “herein” and “hereunder” and words of similar import, when used in this Agreement, will refer to this Agreement as a whole, and not to any particular provision of
this Agreement. All references herein to Articles and Sections will, unless the context requires a different construction, be deemed to be references to the Articles and Sections of this Agreement, respectively. All personal pronouns used in this
Agreement, whether used in the masculine, feminine or neuter gender, will include all other genders, and the singular will include the plural and vice versa. The terms “include,” “includes,” “including” or words of like
import will be deemed to be followed by the words “without limitation.” 
 Section 4.4 Assignment. Except as
expressly provided herein, no Party shall have the right to assign its rights or obligations under this Agreement without the consent of the other Parties hereto. 
 Section 4.5 Successors and Assigns. This Agreement will be binding upon and inure to the benefit of the Parties and their respective successors and permitted assigns. 

Section 4.6 Third Party Rights. Each Indemnified Party that is not a Party shall be entitled to assert rights and remedies
hereunder as a third-party beneficiary hereto with respect to the provisions of this Agreement affording a right, benefit or privilege to such Indemnified Party. Except as provided in the preceding sentence, the provisions of this Agreement are
intended to bind the Parties signatory hereto as to each other and are not intended to and do not create rights in any other Person or confer upon any other Person any benefits, rights or remedies, and no Person is or is intended to be a third party
beneficiary of any of the provisions of this Agreement. Without limiting the foregoing, no limited partner of the Partnership shall have the right, separate and apart from the Partnership, to enforce any provision of this Agreement or to compel any
Party to this Agreement to comply with the terms of this Agreement. 

  
 10 

 Section 4.7 Counterparts. This Agreement may be executed in any number of
counterparts, all of which together will constitute one agreement binding on the Parties. 
 Section 4.8 Governing Law.
THIS AGREEMENT IS GOVERNED BY AND SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO CONFLICTS OF LAWS PRINCIPLES. 
 Section 4.9 Submission to Jurisdiction; Waiver of Jury Trial. Each of the Parties hereby irrevocably acknowledges and consents that any legal action or proceeding brought with respect to any of the
obligations arising under or relating to this Agreement may be brought in the courts of the State of New York, or in the United States District Court for the Southern District of New York and each of the Parties hereby irrevocably submits to and
accepts with regard to any such action or proceeding, for itself and in respect of its property, generally and unconditionally, the non-exclusive jurisdiction of the aforesaid courts. Each Party hereby further irrevocably waives any claim that any
such courts lack jurisdiction over such Party, and agrees not to plead or claim, in any legal action or proceeding with respect to this Agreement or the transactions contemplated hereby brought in any of the aforesaid courts, that any such court
lacks jurisdiction over such Party. Each Party irrevocably consents to the service of process in any such action or proceeding by the mailing of copies thereof by registered or certified mail, postage prepaid, to such Party, at its address for
notices set forth in this Agreement, such service to become effective ten (10) days after such mailing. Each Party hereby irrevocably waives any objection to such service of process and further irrevocably waives and agrees not to plead
or claim in any action or proceeding commenced hereunder or under any other documents contemplated hereby that service of process was in any way invalid or ineffective. The foregoing shall not limit the rights of any Party to serve process in any
other manner permitted by applicable law. The foregoing consents to jurisdiction shall not constitute general consents to service of process in the State of New York for any purpose except as provided above and shall not be deemed to confer rights
on any Person other than the respective Parties. Each of the Parties hereby waives any right it may have under the laws of any jurisdiction to commence by publication any legal action or proceeding with respect this Agreement. To the fullest extent
permitted by applicable law, each of the Parties hereby irrevocably waives the objection which it may now or hereafter have to the laying of the venue of any suit, action or proceeding arising out of or relating to this Agreement in any of the
courts referred to in this Section 4.9 and hereby further irrevocably waives and agrees not to plead or claim that any such court is not a convenient forum for any such suit, action or proceeding. The Parties agree that any judgment
obtained by any Party or its successors or assigns in any action, suit or proceeding referred to above may, in the discretion of such Party (or its successors or assigns), be enforced in any jurisdiction, to the extent permitted by applicable law.
The Parties agree that the remedy at law for any breach of this Agreement may be inadequate and that should any dispute arise concerning any matter hereunder, this Agreement shall be enforceable in a court of equity by an injunction or a decree of
specific performance. Such remedies shall, however, be cumulative and nonexclusive, and shall be in addition to any other remedies which the Parties may have. Each Party hereby waives, to the fullest extent permitted by applicable law, any right it
may have to a trial by jury in respect of any litigation as between the Parties directly or indirectly arising out of, under or in connection with this Agreement or the transactions contemplated hereby or disputes relating hereto. Each Party
(a) certifies that no representative, agent or attorney of any other Party has represented, expressly or otherwise, that such other Party would not, in the event of 

  
 11 

 
litigation, seek to enforce the foregoing waiver and (b) acknowledges that it and the other Parties have been induced to enter into this Agreement by, among other things, the mutual waivers
and certifications in this Section 4.9. 
 Section 4.10 Remedies to Prevailing Party. If any action at law or
equity is necessary to enforce or interpret the terms of this Agreement, the prevailing party shall be entitled to reasonable attorneys’ fees, costs, and necessary disbursements in addition to any other relief to which such party may be
entitled. 
 Section 4.11 Severability. If any provision of this Agreement or the application thereof to any Person or
any circumstance is held invalid or unenforceable to any extent, the remainder of this Agreement and the application of such provision to other Persons or circumstances shall not be affected thereby and shall be enforced to the greatest extent
permitted by law. 
 Section 4.12 Amendment or Modification. This Agreement may be amended or modified from time to time
only by the written agreement of all the Parties. 
 Section 4.13 Integration. This Agreement and the exhibit referenced
herein supersede all previous understandings or agreements among the Parties, whether oral or written, with respect to its subject matter. This Agreement and such exhibit contain the entire understanding of the Parties with respect to its subject
matter. No understanding, representation, promise or agreement, whether oral or written, is intended to be or will be included in or form part of this Agreement unless it is contained in a written amendment hereto executed by the Parties after the
date of this Agreement. 
 Section 4.14 Further Assurances. In connection with this Agreement and the transactions
contemplated hereby, each Party shall execute and deliver any additional documents and instruments and perform any additional acts that may be reasonably necessary or appropriate to effectuate and perform the provisions of this Agreement and those
transactions. 
 Section 4.15 Termination of Agreement. The provisions set forth in Article III may be terminated
as provided in Section 3.4. For the avoidance of doubt, the provisions set forth in Article II and Article IV shall survive the termination of Article III in accordance with their respective terms. 

[REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK.] 

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

			
	RENTECH, INC.
		
	By:	 	 
	Name:	 	 
	Title:	 	 

  

			
	RENTECH NITROGEN GP, LLC
		
	By:	 	 
	Name:	 	 
	Title:	 	 

  

			
	RENTECH NITROGEN PARTNERS, L.P.
	  
 By: Rentech Nitrogen GP, LLC, its general
partner

		
	By:	 	 
	Name:	 	 
	Title:	 	 

 Exhibit A 

In October 2009, the EPA Region 5 issued a Notice and Finding of Violation pursuant to the Clean Air Act (“CAA”) related
to the number 1 nitric acid plant at the Operating Company’s facility in East Dubuque, Illinois. The notice alleges violations of the CAA’s New Source Performance Standard for nitric acid plants, Prevention of Significant Deterioration
requirements and Title V Permit Program requirements. The notice appears to be part of the Environmental Protection Agency’s Clean Air Act National Enforcement Priority for New Source Review/Prevention of Significant Deterioration related to
acid plants, which seeks to reduce emissions from acid plants through proceedings that result in the installation of new pollution control technology. 

 Exhibit B 

RENTECH 
 [Insert
Logo]

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