Document:

Biodiesel Purchase Agreement

 *** Confidential material redacted and filed separately with the
Commission. 
  

 Exhibit 10.35 

Confidential Treatment Requested. Confidential portions of this document have been redacted 

and have been separately filed with the Commission. 
 PILOT TRAVEL CENTERS LLC 
 BIODIESEL PURCHASE AGREEMENT 

“AGREEMENT” 
  

							
	Buyer:	  	 Pilot Travel Centers LLC

5508 Lonas Road
 Knoxville, TN 37909
	  	Buyer Contact:	  	Mr. David Dobbins
	  	  	Telephone:	  	***
	  	  	Buyer Email:	  	*** 
				
	Seller:	  	 REG Marketing & Logistics Group, LLC
 416 South Bell Avenue
 Ames, IA 50010
	  	Seller Contact:	  	Gary Haer
		  		  	Telephone:	  	***
				
		  		  	Seller Email:	  	***
	Date:	  		  		  	
		
	Product:	  	 Biodiesel *** or *** (“Product” or “Biodiesel”)

		
	 CoA/MSDS
 Fax
to:
	  	 David Dobbins, 865-297-1435

		
	Quantity:	  	 Over the term of the Agreement, approximately *** gallons (the “Contract Quantity”) +/- ***

		
	Price:	  	 Previous day *** for *** plus $*** per gallon FOB *** locations for *** or ***. *

 
 Previous day *** for *** plus $*** per gallon FOB ***
locations or bulk facilities for *** or *** excepting ***, and ***. *
  
 Previous day *** for *** plus $*** per gallon FOB ***, ***, and *** locations for *** or ***. *

		
		  	 *Should the *** be *** in *** and *** to the ***, Seller will reduce the per gallon price of the *** or the *** by the *** of the ***
received by Seller. *Should the *** be *** in *** as a ***, Seller will reduce the per gallon price of the *** by the amount of the *** on such gallons.

		
	Terms:	  	 Net *** days receipt of invoice via ACH and per the “Biodiesel Purchase Terms” (“Terms”) of this
Agreement

		
	Term of Agreement:	  	 January 1, 2011 through December 31, 2011.

		
	F.O.B.	  	 FOB *** as required by *** and as further delineated in the Terms.

  

							
	 Mode of

Transportation:
	  	 Tanker truck

	 Invoice To:
	  	 Pilot Travel Centers LLC

5508 Lonas Road
 Knoxville, TN 37909
 Attn: Fuel Payables

 SEE THE ATTACHMENT FOR 
 ADDITIONAL “TERMS” WHICH ARE REFERRED TO AND 
 INCORPORATED
HEREIN BY REFERENCE 
  

									
	Seller: REG Marketing & Logistics Group, LLC	 		 	Buyer: PILOT TRAVEL CENTERS LLC
					
	By:	 	/s/ Gary Haer	 		 	By:	 	/s/ David A. Dobbins
	Name:	 	Gary Haer	 		 	Name:	 	David A. Dobbins
	Date:	 	12/21/2010	 		 	Date:	 	12/17/10

  

 *** Confidential material redacted and filed separately with the
Commission. 
  

 BIODIESEL PURCHASE TERMS 
 These terms and conditions (“Terms”) apply to any agreement to which they are attached, or in which they are incorporated by reference. The agreement which incorporates the Terms and these Terms
are collectively referred to as the “Agreement”, and the terms “Biodiesel” and/or “Product” refer to those monalkyl esters of long chain fatty acids purchased by Pilot Travel Centers LLC (“Buyer”) under the
Agreement from REG Marketing & Logistics Group, LLC (“Seller”). 
 1. Taxes: In addition to the
per gallon purchase price stated below, Buyer will be liable for, and will pay and/or reimburse Seller for the payment of, any and all taxes, fees, duties, assessments and other charges (“Tax”), whether now existing or hereafter arising,
which are imposed, levied or assessed by any federal, state, tribal or local governmental or regulatory authority with respect to the products sold and delivered to Buyer, the taxable incident of which arises out of or relates to the sale, delivery,
receipt, transfer of title, inspection, removal from storage, measurement, receipt of payment, or other activity, regardless of when imposed, of the products to Buyer, or Buyer’s payment therefor. In the event that Seller is required to pay any
such Tax directly to the appropriate authority, Buyer will promptly upon demand reimburse Seller for such payments. Buyer will furnish Seller with any exemption or resale certificate or direct payment permit to which Buyer may be entitled and will
promptly notify Seller of any change in the validity or scope of the same. Buyer shall not be responsible for any taxes based on income, corporate franchise tax, or license fee of Seller. Buyer shall be responsible for any tax arising from the sale,
transfer, or delivery of the Biodiesel to Buyer under this Agreement. 
 2. Quantity: Buyer shall purchase and receive
from Seller and Seller shall sell and deliver to Buyer an amount equal to the Contract Quantity, as specified on the cover page of this Agreement. A purchasing variance of *** plus or minus shall apply. 

Buyer will designate quantities required at each Designated Location (as defined below) on a monthly basis (the “Monthly
Volumes”). The initial schedule of Monthly Volumes is attached as Appendix A. Buyer shall purchase and receive from Seller and Seller shall sell and deliver to Buyer on a ratable basis each month an amount equal to the Monthly Volumes specified
for each Designated Location for that month. A purchasing variance of *** plus or minus shall apply to each of the Monthly Volumes. Buyer may modify Monthly Volumes required at each Designated Location with *** days prior notice to Seller
for good reason, provided that during the Term of this Agreement, the Buyer purchases and receives a total amount equal to the Contract Quantity, plus or minus *** and provided further that any change in the Monthly Volumes greater than *** is
mutually agreed. Good reason shall include, but not be limited to, a sale of a Designated Location. Buyer’s desire to source biodiesel from another party shall not be considered a good reason. 

Notwithstanding any other provision of this Agreement, at any time after this Agreement is executed or during the Term of this Agreement
and any extensions thereof, in the event Buyer closes a Designated Location(s), ceases operation of a Designated Location(s) or transfers its ownership interest, whether fee or leasehold to a third party, Buyer shall be entitled to transfer the
volume associated with said Designated Location(s) to another of Buyers locations, provided that such locations are within *** road miles of Seller’s facilities. 
 Upon mutual agreement between Buyer and Seller, the Contract Quantity specified on the cover page of this Agreement can be further increased or decreased. 

 *** Confidential material redacted and filed separately with the
Commission. 
  

 3. Delivery Terms: All sales shall be *** locations. It is expressly understood
that all sales are on a *** basis unless the parties mutual agree otherwise. The *** stated in these Terms shall, at a minimum, include the following locations (each, a “Designated Location”): 

*** 
 Buyer and
Seller may mutually agree to modify, to add to and/or to delete Designated Locations throughout the term of this Agreement. *** to ***, to *** to and/or to *** is limited to Buyer’s locations within the states of ***, and *** and within
*** road miles of Seller’s facility located at ***, ***, ***, or *** (“Seller’s Facility”), provided that during the Term of this Agreement, the Buyer purchases and receives a total amount equal to the Contract Quantity,
plus or minus ***. 
 Seller, its agents or subcontractors must be properly licensed, trained, understand and follow
Buyer’s policies and procedures regarding fuel delivery, and are familiar with the physical layout, drop sites, underground storage tanks, and ingress and egress routes of the Designated Location(s) before delivery. Seller, its agents or
subcontractors agree to work with Buyer in keeping the unloading area clean. Seller, its agents or subcontractors further agree that in the event of a spill that occurs solely as a result of their negligence, they assume any and all cleanup
liability related thereto. Buyer may, with good reason and with thirty (30) days notice to Seller, request that Seller replace any agent or subcontractor acting on Seller’s behalf. Good reason shall include safety, environmental and other
legitimate operational concerns. 
 Upon first delivery of Biodiesel under this Agreement at each Designated Location, and
unless waived by Buyer, Biodiesel inventory levels at each Designated Location will be managed ***, with Biodiesel inventory levels at each Designated Location maintained at a minimum of *** and a maximum of *** of that Designated
Location’s Tank capacity, provided that maintaining the minimum inventory levels at each Designated Location does not require Seller to ship more than the applicable Monthly Volumes, plus or minus the *** variance. 

If Seller, its agents or subcontractors fail to deliver or make available (up to the maximum quantity allowed to Buyer under this
contract) the volume required by Buyer, by Designated Location, such that any or all of Buyer’s Designated Locations run out of Biodiesel for any reason other than force majeure (provided that Seller shall not by such provision be required to
ship more than the applicable Monthly Volume for a Designated Location, plus or 

 *** Confidential material redacted and filed separately with the
Commission. 
  

 
minus the *** variance), then Seller shall have breached this Agreement. In addition to such other rights and remedies as may be available to Buyer, Seller shall, within ten (10) days
after delivery of reasonable documentation from Buyer verifying the *** to *** by *** an *** to (i) ***, on a ***, of *** or *** to *** the *** has *** to ***, *** (ii) ***, if any, of ***, or *** directly caused by ***. In addition, the
applicable Contract Quantity and the applicable Monthly Volume shall be reduced by the quantity of *** or *** sourced by the Buyer. 
 To the
extent *** to ***, the *** will be *** by ***: (i) the *** the ***, at the ***, of the *** and the *** (ii) the *** of *** by the ***. To the extent *** to ***, *** will be *** by ***: (i) the *** the ***, at the ***, of the *** and
the *** of the ***, if any times (ii) the *** of *** by the ***. To the extent *** a *** for *** or *** the *** (in the event of ***, *** of the ***, if any), *** shall *** the *** and no *** for *** shall be ***. 

The *** will be calculated as the difference between the ***, or ***, to which the Buyer would have been entitled if not for the
Seller’s breach, and the ***; provided that, it shall be the Buyer’s sole responsibility to evidence, with documentation provided by the ***, the extent of such difference and that such difference arose solely as a consequence of
Seller’s breach. 
 4. Risk of Loss / Title Transfer: Title and risk of loss shall pass to Buyer at the ***
transfers into the receiving Tank(s). Buyer will only be responsible for gallons actually delivered by Seller’s truck. Seller agrees that Buyer may (in order of preference) (a) use electronic monitoring systems to track fuel inventory
levels and/or (b) cause Seller’s delivery trucks to be weighed on calibrated scales at Buyer’s Designated Locations before and after the Product has been delivered at Buyer’s Designated Locations. Quantities of Product delivered
will be deemed to be the amount listed on the Bill of Lading generated by Seller’s Facility or any other Biodiesel facility or terminal; provided however, that in the event that either (a) the gallons shown on the electronic monitoring
system installed by Buyer or (b) the gallons calculated from the before/after weight of the truck, is not within *** gallons of the gallons printed on Seller’s Bill of Lading, only those gallons calculated to have been delivered by
(a) the electronic monitoring system or (b) the before/after weigh in of the delivery truck shall be deemed to have been delivered to and purchased by Buyer and Seller shall be deemed to have failed to sell and deliver any differences. Any
scales and/or electronic monitoring systems used by Buyer will be, in all cases, certified by the relevant government agency, and such certification shall be current at the time of measurement. Seller has the right to inspect and verify the accuracy
of the electronic monitoring systems or weigh scales. 
 Should Buyer desire to utilize its own transportation assets to take
delivery ***, Buyer and Seller agree to use good faith efforts to accommodate Buyer. Should Buyer take delivery FOB Seller’s Facilities: 
 a) Buyer and Seller agree to renegotiate the pricing to reflect Seller’s changed cost of selling on an *** versus a delivered basis. 

 *** Confidential material redacted and filed separately with the
Commission. 
  

 b) The title and risk of loss shall pass to Buyer as Biodiesel enters the receiving
equipment of Buyer’s truck. In the event Buyer elects to take deliveries ***: 
 c) Buyer is responsible to present
suitable trucks for loading and shall comply with all safety and operating procedures, applicable to and at Seller’s Facility, and the Quality and Quantity of the goods will be considered final at loading, 

d) Buyer may splash-blend Biodiesel with petroleum diesel provided by Buyer at Seller’s facilities. Seller shall retain title to any
vapors or condensate recovered during delivery, 
 e) Buyer and Seller will need to agree in advance on a schedule for pickup,
or other suitable arrangement, 
 5. *** Changes: 
 Notwithstanding anything else to the contrary contained herein, in the event that any *** or *** or *** any *** or *** that *** or *** any *** to the Buyer for the Designated Location(s), Buyer at its
sole discretion, may in whole or in part, unilaterally terminate this Agreement for the affected Designated Location(s) (each a “Terminated Location”). Prior to unilaterally terminating this Agreement for the affected Designated
Location(s) pursuant to the terms of this paragraph, Buyer and Seller shall meet and discuss alternatives to termination. In the event that Buyer and Seller are not able to agree upon an alternative to termination, all of the parties rights, duties
and obligations under this Agreement related to such Terminated Location(s) shall terminate and be of no further force and effect. Buyer may only exercise this right within thirty (30) days of the effective date of the elimination and/or
reduction in the credit. 
 Due to the *** of the *** of the ***, both parties recognize and agree that the future environment over the term of
this contract may not reflect the environment as of this date. Therefore, should any *** or *** in a manner that *** or *** (in each party’s sole judgment), Buyer and Seller agree to a good faith effort to renegotiate the terms and conditions
of this Agreement to account for such change. Should that renegotiation be unsuccessful, then the disadvantaged party may, at its sole discretion, unilaterally terminate this Agreement for the affected Designated Location(s). In the event a
disadvantaged party makes such an election, all of the parties rights, duties and obligations under this Agreement related to such Terminated Location(s) shall terminate and be of no further force and effect ten (10) days after such party
provides written notice to the other party that it does not believe in good faith that efforts to renegotiate the Agreement will be successful. 

In the event that any ***, or ***, or specifically related to the *** of *** for the ***, Buyer and Seller agree to a good faith effort to renegotiate
the terms and conditions of this Agreement to account for such change. Should that renegotiation be unsuccessful, then Buyer at its sole discretion, may in whole or in part, unilaterally terminate this Agreement for the affected Designated
Location(s) on sixty (60) days prior written notice. In the event Buyer makes such an election, all of the parties rights, duties and obligations under this Agreement related to such Terminated Location(s) shall terminate and be of no further
force and effect at the later of the effective date of such taxes or the end of said sixty (60) day notice period. 
 In the event that any
*** or *** or *** any *** or *** that *** or *** the *** of ***, and such *** results in Buyer having to *** already *** with *** for 

 *** Confidential material redacted and filed separately with the
Commission. 
  

 the ***, Buyer may reduce the Contract Quantity by an amount equal to the *** at the *** the *** by the
*** or Buyer and Seller agree to a good faith effort to renegotiate the terms and conditions of this Agreement to account for such change. Should that renegotiation be unsuccessful, then Buyer at its sole discretion, may in whole or in part,
unilaterally terminate this Agreement for the affected Designated Location(s) on sixty (60) days prior written notice. In the event Buyer makes such an election, all of the parties rights, duties and obligations under this Agreement related to
such Terminated Location(s) shall terminate and be of no further force and effect at the later of the effective date of the Mandate or the end of said sixty (60) day notice period. If such *** the *** of *** that can be *** may reduce the
Contract Quantity to *** with the ***. Such reduction(s) in the Contract Quantity will take effect at the later of the effective date of the *** days from Seller’s receipt of Buyer’s written notice. 

In the event that any *** or *** or *** any *** or *** that *** the ***, the *** or *** of *** or ***, or the *** uses for *** for the Designated
Location(s), Buyer and Seller agree to a good faith effort to renegotiate the terms and conditions of this Agreement to account for such change. Should that renegotiation be unsuccessful, then Buyer at its sole discretion, may in whole or in part,
unilaterally terminate this Agreement for the affected Designated Location(s) on sixty (60) days prior written notice and this Agreement. In the event Buyer makes such an election all of the parties rights, duties and obligations under this
Agreement related to such Terminated Location(s) shall terminate and be of no further force and effect at the later of the effective date of the *** or the end of said sixty (60) day notice period. 

6. Measurement: Quantities delivered to Buyer’s Designated Facilities shall be determined in accordance with Section 4
of this Agreement and the requirements of this Section 6. All volumes for delivery shall be temperature-adjusted to 60°F using built-in temperature compensators or ASTM tables. Either party may require that Biodiesel quantity be determined
by a jointly selected, licensed petroleum inspector, whose findings shall be conclusive. Customary inspection costs shall be shared equally, but additional services shall be paid for by the party requesting them. The term “gallon” means a
U.S. gallon of 231 cubic inches. All measurements and/or tests shall be made in accordance with the latest standards or guidelines published by ASTM. Objections to measurements, including claims for shortage, for quantities delivered from
Seller’s facility must be made to Seller within Sixty (60) calendar days from the date of delivery. 
 7.
Price: Daily prices will be *** determined from the Product Bill of Lading as Product is loaded from the Seller’s Facility or any other Biodiesel facility or terminal. 

The daily price per gallon will be based on the Previous day *** for *** plus $*** per gallon FOB *** locations for *** or ****.

 The daily price per gallon will be based on the Previous day *** for *** plus $*** per gallon FOB *** locations or bulk
facilities for *** or *** excepting ***, and ***. 
 The daily price per gallon will be based on the Previous day *** for ***
plus $*** per gallon FOB ***, and *** locations for *** or ****. 

 *** Confidential material redacted and filed separately with the
Commission. 
  

 *Should the *** be *** in *** and *** to the ***, Seller will reduce the per gallon
price of the *** or the *** by the *** gallon amount of the *** received by Seller. *Should the *** be *** in *** as a ***, Seller will reduce the per gallon price of the *** by the amount of the *** on such gallons. 

The last reported *** price will be used for weekends, holidays, or other such times that *** does not publish a value. 

8. Payment Terms: 
 (a) Buyer agrees to pay Seller by bank ACH wire transfer based on weekly invoices with said wire transfer to be made to Seller within *** days after receipt of invoice. Buyer shall pay for Net
gallons delivered as determined in accordance with Sections 4 and 6 hereof. Buyer shall pay Seller for delivered product(s) in U.S. dollars without any adjustments, discounts, or setoffs, on or before the due date. All past due payments hereunder
shall bear interest from the date due until the date paid at the rate of *** per month or at the maximum rate authorized by law, whichever is less. Accounts that are past due will be ineligible for applicable allowance, deductions, or
discounts, if any. In addition to all other rights and remedies, Seller shall have the right to suspend, cancel or terminate this Agreement if Buyer does not pay all amounts due to Seller in accordance with the terms of this Agreement. 

(b) In addition to all other rights and remedies, in the event of either party’s default respecting any provision of
this Agreement, the non-defaulting party may offset any damages arising therefrom, including, without limitation, withholding payment, delivery or acceptance of product, material or services, relating to any and all agreements or transactions with
the defaulting party. 
 9. Compliance With Laws: Each of Seller and Buyer will make commercially reasonable efforts to
ensure that it and its employees, contractors, carriers, and agents shall comply with all laws, regulations, and standards applicable to the manufacture, storage, sale, transportation, and disposition of Biodiesel. 

10. Safety and Health: Seller is required to furnish Buyer with a complete Material Safety Data Sheet and other information about
the safety and health aspects of Biodiesel prior to the first delivery and shall provide current and updated Material Safety Data Sheets to Buyer during the term of this Agreement. 

11. Warranty of Title: Seller warrants that it has good title to the Biodiesel sold and delivered hereunder, free of all liens,
charges, encumbrances, pledges or security interests. Seller warrants the Biodiesel is free of any claims of infringement of any patent, copyright or misappropriation of any confidential information or trade secret of other parties. THIS WARRANTY
AND THE WARRANTY IN SECTION 12 ARE THE SOLE WARRANTIES MADE BY SELLER AND ARE IN LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES. 
 12. Warranty of Quality: Seller represents and warrants that all Biodiesel supplied to the Buyer’s point of title transfer complies with the most current version of ***

 *** Confidential material redacted and filed separately with the
Commission. 
  

 
*** for use in ***, or in the case of *** when it was *** immediately prior to blending to ***. Seller further represents and warrants that the Biodiesel sold and delivered hereunder complies
both with *** and the most current quality assurance standard observed by *** or its successor, or in the case of ***, complied when it was *** immediately prior to *** to ***. Seller represents and warrants that the Biodiesel is merchantable and
fit for blending into petroleum diesel for on-road consumption. 
 Seller will, at Buyer’s option and at Seller’s cost
(including, but not limited to, laboratory costs, shipping, and handling), submit sufficient samples of Biodiesel to an independent third party laboratory of Buyer’s choosing for quality assurance testing that the Biodiesel meets all
specifications described in the Warranty of Quality. 
 Seller will, at Buyer’s option and at Seller’s cost (including
expense of return and re-delivery), remedy the defect in, replace, or refund the purchase price of, any Biodiesel that fails to meet this warranty. 
 Seller additionally represents and warrants that any Biodiesel sold to Buyer during the months of *** will have a maximum cloud point of ***; and during the months of *** a maximum cloud point of ***. If
Buyer, after handling the Biodiesel in conformance with industry practices, experiences any problems with Biodiesel blending resulting from cold weather situations, both parties agree to work together to resolve the issue. 

***, or diligently pursuing compliance, during the term of this contract. 

13. Biodiesel Certification: Seller shall provide Buyer a Biodiesel Certificate of Analysis (“CoA”) for each shipment
setting forth at least the following data: Biodiesel source; lab ID; date of lab receipt, date of analysis; test results for the requirement that the Biodiesel meet the most recent *** for *** for use in ***. 

Seller shall provide Buyer at the delivery at the Designated Location, documentation for each load uniquely referencing the CoA
applicable to that load and stating; “*** containing a *** by *** and meeting all applicable ***” or ***, made from *** containing a *** by *** and meeting *** and ***. 

In accordance with EPA’s RFS regulations at *** shall *** to *** and ***, but no more than *** and ***, *** to
*** for each *** by *** at the *** of the *** is *** to ***. All such *** shall be for the *** in which *** was *** to ***, shall be *** with a ***, and shall be *** via a *** that is *** with ***. 

14. Force Majeure: Neither party shall be liable to the other for any delay or failure

 *** Confidential material redacted and filed separately with the
Commission. 
  

 
in performance to the extent that it is caused by circumstances beyond its reasonable control, or by fire; explosion; flood; earthquake; storm; act of God; sabotage or vandalism; strike or other
labor disturbance (neither Seller nor Buyer shall be required to settle a labor dispute or take an action that might involve it in a labor dispute); interruption of utility services; or compliance with any law, regulation or order (regardless of
validity) of any governmental or military authority (“Force Majeure Event”); provided however, that notwithstanding the forgoing, a failure to make payments accrued prior to a Force Majeure Event when due shall not be excused. *** of ***
or *** is not a Force Majeure Event. In the event of a Seller Force Majeure Event, nothing contained in this Agreement shall be construed to require Seller to produce or acquire Biodiesel from facilities other than Seller’s Facility.

 15. Indemnity: Seller shall indemnify, defend and hold harmless Buyer and its employees and agents (“Buyer
Indemnitees”) against any loss, claim, liability (actual or alleged), fine, or expense (including consequential, incidental, lost profits, or punitive damages, and further to include court costs, attorney fees, and litigation expenses)
(“Damages”), of any kind (including those based in tort, warranty, or strict liability), to the extent asserted by a third party against the Buyer Indemnitees and arising out of, or in connection with any failure of Seller to comply with
this Agreement, or any act or failure to act by Seller in the handling, storage, transportation, or sale of Biodiesel purchased under the Agreement. In responding to such third-party claims, if Seller has acknowledged in writing its obligation to
indemnify Buyer Indemnitees from any such Damages, Seller may select an attorney and may enter into any settlement without affecting this obligation. 
 Likewise, Buyer shall indemnify, defend and hold harmless Seller and its employees and agents (“Seller Indemnitees”) against any Damages, of any kind (including those based in tort, warranty, or
strict liability), to the extent asserted by a third party against the Seller Indemnitees and arising out of, or in connection with any failure of Buyer to comply with this Agreement, or any act or failure to act by Buyer in the handling, storage,
transportation, or sale of Biodiesel purchased under the Agreement. In responding to any third-party claims, if Buyer has acknowledged in writing its obligation to indemnify Seller Indemnitees from any such Damages, Buyer may select an attorney and
may enter into any settlement without affecting this obligation. 
 16. Limitation of Liability: Subject to the
obligations of Section 3, Section 14, and Section 15, neither party shall be liable to the other for consequential, incidental, lost profits, or punitive damages arising out of any breach of this Agreement or for any other reason.

 17. Default and Termination: Either party may terminate the Agreement in the event of a material default by the other
party that is not cured within thirty (30) days after notice of default is given. Upon giving of such notice to the defaulting party, the non-defaulting party may defer shipments or receipt of deliveries until default is cured by the defaulting
party. The right to terminate is in addition to any other remedy that may be available. A waiver of a default in one instance does not extend to any subsequent default. Termination of this Agreement shall not relieve Buyer from payment for all
Product delivered prior to such termination. In the event of termination of this Agreement, Buyer shall have no further obligation to take Product pursuant to this Agreement and Seller shall have no further obligation to sell or deliver Product
pursuant to this Agreement. Notwithstanding any other provision in this Section 17 or this Agreement, if a specific damage remedy for a default is provided under this Agreement (including without limitation, Section 3) and such damages are
timely paid by the defaulting party, then such payment shall constitute cure of the default for the purposes of this Section 17 and the non-defaulting party shall not have the right to terminate this Agreement for such default. 

 19. Biodiesel Tax Credit Exemption: Both parties shall make all necessary reasonable
efforts to ensure that the Federal Blender’s Credit is fully available to the Blender of Record of the fuel. However, Seller makes no warranties regarding whether Buyer will ultimately receive the Credit. 

20. Governing Law: The purchase of Biodiesel by Buyer, and the Agreement, shall be governed by Tennessee law, excluding its
conflict of laws provisions and excluding the United Nations Convention on Contracts for the International Sales of Goods. 

21. Survivorship: Seller’s obligations in Sections 1, 8, 11, 13, 15, 16, and 19 above shall survive termination of the
Agreement. Buyer’s obligations in Sections 1, 8, 15, 16 and 19 above shall survive termination of the Agreement. 
 22.
Enforceability: The invalidity or unenforceability of any part of the Agreement shall not affect the validity or enforceability of its remaining provisions. 
 23. Anti-Waiver: The right of either party to require strict performance by the other of any and/or all the obligations imposed upon the other by the Agreement shall not in any way be affected by
any previous waiver, forbearance or course of dealing. 
 24. Merger: The Agreement contains the entire agreement of the
parties with respect to its subject matter. 
 25. Assignment: The Agreement, and any rights or duties under it may not
be assigned or delegated by operation of law or otherwise by Seller or Buyer without the prior written consent of the other, which consent shall not be unreasonably withheld, conditioned or delayed. Notwithstanding the foregoing, Seller shall be
permitted to assign its rights and/or obligations under the Agreement without the prior consent of Buyer (a) to another entity, or to Seller’s affiliate or successor (collectively herein “Assignee”), if such Assignee expressly
assumes all obligations not otherwise remaining with Seller hereunder, and Seller nonetheless remains responsible hereunder, and (b) to any lender as collateral security for any indebtedness of Seller to such lender, provided, however, that any
further assignment by Seller’s lender requires the prior written consent of Buyer, which consent shall not be unreasonably withheld, conditioned or delayed. Any attempted assignment or delegation in violation of this Section 25 shall be
void. 
 26. Notice Requirement: Any claim or notice required by the Agreement to be given shall be in writing and shall
be sent by either (a) certified mail return receipt requested; (b) by a national overnight courier service to the address specified on page one of the Biodiesel Purchase Agreement to which these terms are attached; or (c) by facsimile
to the number specified on page one of the Biodiesel Purchase Agreement to which these terms are attached followed within five business days by a copy delivered by certified mail return receipt requested or by national overnight courier service.

 27. Modification: Both parties agree that no proposals, amendments, modifications, purchase orders, other writings or
actions will modify the terms of this Agreement unless they are in writing and are signed by authorized representatives of both parties. 

  

 *** Confidential material redacted and filed separately with the
Commission. 
  

 28. Buyer’s Quality Initiative: Seller shall use commercially reasonable
efforts to ensure that Seller’s employees, contractors, carriers, and agents reasonably cooperate with Buyer’s reasonable product quality initiatives, including completion of Buyer’s survey questionnaires and granting Buyer permission
to conduct reasonable periodic on-site auditing upon reasonable prior notice of the manufacturing, storage, sampling, testing, inspection, loading, and transportation processes; provided that prior to the event of such on-site auditing Buyer agrees
to be bound by such confidentiality provisions as are requested by Seller. 
 29. ***: Effective as of the date of this
Agreement, and through the end of its Term, in the event that *** to an *** in a *** at a *** for *** than the *** to the *** as provided herein, then *** shall *** the *** to the *** to *** any such ***. The *** of the *** shall be effective as of
the date that the *** was *** for the ***, and shall be effective for the *** to be *** within the *** for which the *** is *** for the ***. 
 An *** as that term is used here, is defined as a *** within the states of *** or ***. 
 A *** as that term is used here, is defined as a *** within the *** of a *** between the *** and a single *** taken as a whole; involving not less than *** for *** within a ***; for the same *** as those
specified *** or portions thereof; for delivery within the states of *** or ***; and with *** and *** to those ***. 
 The ***
shall be *** on the basis of *** by *** to an *** in a ***, on the *** at which the *** was ***. 
 Should Buyer desire an
inspection or audit to determine compliance with provisions of this Section 29, Buyer shall nonetheless not be entitled to review any information which relates to the confidential information of a third party. With respect to such information
the Buyer shall have the right, subject to the terms of this Section 29, to engage an independent auditor to perform such inspection that is otherwise permitted hereunder (such independent auditor agreeing to sign an appropriate agreement to
hold such information confidential). Alternatively, at Buyer’s option, the Buyer may seek the verification and certification of compliance contemplated above from Seller’s independent auditors. 

The expense of any such inspection or audit shall be borne by the Buyer, unless the need for a material correction in the premium to be
charged to the Buyer results, in which case the reasonable expense of such inspection or audit shall be borne by the Seller whose books and records are being audited. 
 30. Miscellaneous: If Buyer designates a third party location for delivery in accordance with the terms of this Agreement, Seller shall use reasonable commercial efforts to ensure that its
transport carriers, contractors, and agents execute and comply with third parry’s 

 *** Confidential material redacted and filed separately with the
Commission. 
  

 
access, loading/unloading, receipt and/or delivery procedures. Seller shall use reasonable commercial efforts to ensure that all Seller’s employees, contractors, and agents comply with all
reasonable rules and guidelines established by Buyer from time to time, including applicable safety rules and its Drug, Alcohol, And Firearm Policy which prohibits possession, use, consumption, distribution or sale of drugs, drug paraphernalia,
alcohol, firearms, ammunition or other weapons upon Buyer’s premises. 
 31. Carbon Credits: *** shall retain title
to any and all carbon credits associated with the Biodiesel sold pursuant to this Agreement 
 END OF DOCUMENT-NO SIGNATURE REQUIRED.

 *** Confidential material redacted and filed separately with the
Commission. 
  

 Appendix A to 2011 REG - Pilot Contract 

 

																													
	 Store Number
	  	 Store Name
	  	JAN	  	FEB	  	MAR	  	APR	  	MAY	  	JUN	  	JUL	  	AUG	  	SEP	  	OCT	  	NOV	  	DEC	  	TOTAL
	 ***
	  		  		  		  		  		  		  		  		  		  		  		  		  		  	

 Note: The April Monthly Volume is not part of the 2011 Contract Quality, but rather will be shipped from Seller to Buyer
from the *** as provided in the 2010 Biodiesel Purchase Agreement, as amended.Limited Waiver Agreement

 Exhibit 10.36 
 LIMITED WAIVER AGREEMENT 
 This Limited Waiver Agreement
(“Agreement”) is made and entered into as of May 13, 2011, by and between FIFTH THIRD BANK, an Ohio banking corporation, successor by merger with FIFTH THIRD BANK, a Michigan banking corporation (“Lender”), having an address
at 8000 Maryland Avenue, Suite 1400, St. Louis, Missouri 63105, and REG DANVILLE, LLC, a Delaware limited liability company, formerly known as BLACKHAWK BIOFUELS, LLC (“Borrower”), having an address at 416 S. Bell Ave., Ames, Iowa 50010.

 Recitals 
 The following recitals are a material part of this Agreement: 
 A. Lender and
Borrower are parties to that certain Loan Agreement dated as of May 9, 2008, as amended by that certain First Amendment to Loan Agreement dated December 23, 2008, as further amended by that certain Second Amendment to Loan Agreement dated
November 25, 2009, as further amended by that certain Third Amendment to Loan Agreement dated February 26, 2010, and as further amended by that certain Fourth Amendment to Loan Agreement and First Amendment to Revolving Credit Loan Note
dated as of September 30, 2010 (as further amended, modified and/or restated from time to time, the “Loan Agreement”). Capitalized terms not otherwise defined herein shall have the meanings set forth in the Loan Agreement. 

B. Borrower is in violation of certain covenants of the Loan Agreement, as more particularly described as follows (the “Existing
Defaults”): (i) Section 7.33(a) of the Loan Agreement required Borrower to achieve a Minimum Fixed Charge Coverage Ratio for the fiscal quarter ending March 31, 2011 of at least 1.25 to 1.00, and Borrower failed to achieve such
Fixed Charge Coverage Ratio for such period, and (ii) Section 7.33(b) of the Loan Agreement required Borrower to record no more than a Maximum Funded Debt to EBITDA Ratio for the fiscal quartering ending March 31, 2011 of no more than
5.0 to 1.0 and Borrower exceeded such Maximum Funded Debt to EBITDA for such period. 
 C. Borrower has requested that Lender
waive the Existing Defaults. 
 D. Lender is willing to waive the Existing Defaults, but only subject to the terms and
conditions set forth herein. 
 Contractual Provisions 

NOW, THEREFORE, in consideration of the mutual promises and agreements hereinafter contained and other good and valuable consideration,
the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 
 1. Limited Waiver of
Defaults. Upon the terms and subject to the conditions set forth in this Agreement, the Lender hereby waives the Existing Defaults (“Waiver of Defaults”). This Waiver of Defaults shall be effective only in this specific instance and
solely with respect to the Existing Defaults. This Waiver of Defaults shall not entitle the Borrower to any other or further waiver in any similar or other circumstances. Except as expressly set forth herein with respect to the Existing Defaults, by
entering into this Agreement, Lender is not waiving any other default that may exist at this time under the Loan Agreement, and Lender reserves all rights and remedies available to it. 

  
 1 

 2. Waiver Fee. The Waiver of Defaults is expressly conditioned on Borrower’s
payment to Lender of a non-refundable waiver fee in the amount of Ten Thousand and 00/100 Dollars ($10,000.00), which fee shall be due and payable by Borrower upon execution of this Agreement. 

3. No Claims. Borrower acknowledges that there are no existing claims, defenses (personal or otherwise) or rights of set-off or
recoupment whatsoever with respect to any of the Loan Documents. Borrower agrees that this Agreement in no way acts as a release or relinquishment of any liens in favor of the Lender securing payment of obligations and indebtedness between Borrower
and Lender. 
 4. Representations and Warranties. Borrower hereby represents and warrants to Lender as follows:

 (a) The Recitals in this Agreement are true and correct in all respects. 

(b) Borrower has the limited liability company power, and has been duly authorized by all requisite limited liability
company action, to execute and deliver this Agreement and to perform its obligations hereunder and thereunder. This Agreement has been duly executed and delivered by Borrower. 

(c) This Agreement is the legal, valid and binding obligation of Borrower, enforceable against Borrower in accordance with
its terms, subject to (i) applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and other similar laws of general application affecting the rights of creditors and (ii) applicable laws and regulations and
principles of equity which may restrict the enforcement of certain remedies or the availability of certain equitable remedies. 
 (d) Borrower’s execution, delivery and performance of this Agreement does not and will not (i) violate any law, rule, regulation or court order to which Borrower is subject; (ii) conflict
with or result in a breach of Borrower’s Articles of Organization or Operating Agreement or any agreement or instrument to which Borrower is party or by which Borrower or its properties is bound, or (iii) result in the creation or
imposition of any lien, security interest or encumbrance on any property of Borrower, whether now owned or hereafter acquired, other than liens in favor of Lender. 

(e) The obligation of Borrower to repay the Obligations, together with all interest accrued thereon, is absolute and
unconditional, and there exists no right of set off or recoupment, counterclaim or defense of any nature whatsoever to payment of the Obligations. 
 5. Effect and Construction of Agreement. Except as expressly provided herein, the Loan Documents shall remain in full force and effect in accordance with their respective terms, and this Agreement
shall not be construed to: 
 (a) impair the validity, perfection or priority of any lien or security interest
securing the Obligations; or 
 (b) waive or impair any rights, powers or remedies of Lender under the Loan
Documents. 
 In the event of any inconsistency between the terms of this Agreement and the Loan Agreement or any of the Loan
Documents, this Agreement shall govern. Borrower acknowledges that it has consulted with counsel and with such other experts and advisors as it has deemed necessary in connection with the negotiation, execution and delivery of this Agreement. This
Agreement shall be construed without regard to 

  
 2 

 
any presumption or rule requiring that it be construed against the party causing this Agreement or any part hereof to be drafted. 

6. Conditions Precedent to Effectiveness of Agreement. This Agreement shall not be effective until: 

(a) Lender shall have received this Agreement duly executed along with both Consents of Guarantor attached hereto;

 (b) Lender shall have received notification from the IFA that the IFA has agreed and consented, without
reservation, to all the terms of this Agreement to the extent the IFA’s consent and agreement is required under the IFA Guaranty Documents; 
 (c) Lender shall have received payment of the fees and costs required herein and under the Loan Agreement; and 
 (d) Lender has received such other and further documents as Lender shall have reasonably requested prior to the date hereof, all in form and substance satisfactory to Lender and its counsel. 

7. Costs and Expenses. Borrower hereby reaffirms its agreement under the Loan Agreement to pay or reimburse the Lender on demand
for all costs and expenses incurred by the Lender in connection with the Loan Agreement, the Loan Documents and all other documents contemplated thereby, including without limitation all reasonable fees and disbursements of legal counsel. Without
limiting the generality of the foregoing, Borrower specifically agrees to pay all fees and disbursements of counsel to the Lender for the services performed by such counsel in connection with the preparation of this Agreement and the documents and
instruments incidental hereto. 
 8. Miscellaneous. 

(a) Borrower agrees to execute such other and further documents and instruments as Lender may reasonably request to
implement the provisions of this Agreement and to perfect and protect the liens and security interests created by the Loan Agreement. 
 (b) This Agreement shall be binding upon and inure to the benefit of and be enforceable by the parties hereto, their respective successors and assigns. No other person or entity shall be entitled to claim
any right or benefit hereunder, including, without limitation, the status of a third-party beneficiary of this Agreement. 
 (c) The provisions of this Agreement are intended to be severable. If any provisions of this Agreement shall be held invalid or unenforceable in whole or in part in any jurisdiction, such provision shall,
as to such jurisdiction, be ineffective to the extent of such invalidity or enforceability without in any manner affecting the validity or enforceability of such provision in any other jurisdiction or the remaining provisions of this Agreement in
any jurisdiction. 
 (d) This Agreement may be executed in any number of counterparts and by different parties to
this Agreement on separate counterparts, each of which, when so executed, shall be deemed an original, but all such counterparts shall constitute one and the same agreement. Any signature delivered by a party by facsimile transmission shall be
deemed to be an original signature hereto. 

  
 3 

 (e) Any notices with respect to this Agreement shall be given in the manner
provided for in the Loan Agreement. 
 (f) This Agreement shall be governed by and construed in accordance with
the internal laws of the State of Missouri. 
 (g) All representations, warranties, covenants, agreements,
undertakings, waivers and releases of Borrower contained herein shall survive until the Obligations are paid in full. 
 (h) Incorporation by Reference; Statement Required By Mo. Rev. Stat. Section 432.047. All of the terms, covenants and conditions of the Loan Documents are incorporated in, restated by, and
made part of this Agreement by reference. Pursuant to Mo. Rev. Stat. Section 432.047, Lender hereby gives the following notice to Borrowers: 
 “Oral agreements or commitments to loan money, extend credit or to forbear from enforcing repayment of a debt including promises to extend or renew such debt are not enforceable, regardless of the
legal theory upon which it is based that is in any way related to the Loan Agreement. To protect you (borrower(s)) and us (creditor) from misunderstanding or disappointment, any agreements we reach covering such matters are contained in this
writing, which is the complete and exclusive statement of the agreement between us, except as we may later agree in writing to modify it.” 
 [Remainder of Page Intentionally Left Blank] 
 [Signature Page Follows] 

  
 4 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date set forth
in the opening paragraph above. 
  

									
	BORROWER:	 		 	LENDER:
			
	 REG DANVILLE, LLC, a Delaware limited
 liability company, formerly known as
 BLACKHAWK BIOFUELS, LLC
	 		 	 FIFTH THIRD BANK, an Ohio banking
 corporation, successor by merger with FIFTH
 THIRD BANK, a Michigan banking
corporation

					
	By:	 	/s/ Daniel J. Oh	 		 	By:	 	/s/ Mary Ann Lemonds
		 	Daniel J. Oh, President	 		 		 	Mary Ann Lemonds, Vice President

  
 5 

 CONSENT OF GUARANTOR 

Renewable Energy Group, Inc., a Delaware corporation (“Guarantor”), has executed in favor of Fifth Third Bank, an
Ohio banking corporation, successor by merger with Fifth Third Bank, a Michigan banking corporation (“Lender”), those certain Guaranties dated as of May 9, 2008 and November 25, 2009 (the
“Guaranties”) in which Guarantor guaranteed certain obligations of Borrower to Lender. The undersigned Guarantor does hereby consent to the terms of this Agreement and does hereby ratify and reaffirm the Guaranties as amended
as of the date hereof, and agrees that the Guaranties shall remain in full force and effect in accordance with its terms as amended hereby. The undersigned Guarantor further agrees that its consent to this Agreement is not required, and that the
Lender’s obtaining such consent shall in no way imply any requirement for obtaining such consent in similar circumstances in the future. 

Date: May 13, 2011 
  

			
	RENEWABLE ENERGY GROUP, INC.
		
	By:	 	/s/ Daniel Oh
	Name:	 	Daniel Oh
	Title:	 	President

  
 6 

 CONSENT AND ACKNOWLEDGMENT OF GUARANTOR 

The Illinois Finance Authority (“Guarantor”), has executed in favor of Fifth Third Bank, an Ohio banking
corporation, successor by merger with Fifth Third Bank, a Michigan banking corporation (“Lender”), that certain Guaranty dated May 9, 2008 (the “Guaranty”) in which Guarantor guaranteed certain
obligations of Borrower to Lender. The undersigned Guarantor does hereby consent to the terms of the Loan Agreement as further amended by this Agreement and does hereby ratify and reaffirm the Guaranty as amended as of the date hereof, and agrees
that the Guaranty shall remain in full force and effect in accordance with its terms as amended hereby. 
 The Illinois Freedom
of Information Act (5 ILCS 120/1 et. seq.) (“Act”) requires that the public bodies are required to open their files for inspection or copying unless a specific exemption applies under 5 ILCS 140/7 of the Act. The Borrower has represented
to the Guarantor that it will be furnishing information to the Guarantor that will be exempt under sections 5 ILCS 140/7 (1)(f) and (g) of the Act (or such future sections of the Act that may relate to the disclosure of trade secrets and
commercial or financial information), which will include, but will not be limited to, operational performance of its facilities and other information which it considers to be trade secrets or which could otherwise cause competitive harm to the
Borrower (“Confidential Information”). Any information furnished by Borrower in any filing with the Securities and Exchange Commission or other Federal agency shall not be considered Confidential Information for purposes of the Act.
Guarantor acknowledges and agrees that the information to be furnished by Borrower or Lender to Guarantor pursuant to the Loan Agreement, if disclosed to others, could cause competitive harm to Borrower and its business. 

So long as the information furnished by Borrower to Guarantor clearly states on each page of the submissions that it is Confidential
Information under the Act, Guarantor will not release such information, unless directed to do so by a court of competent jurisdiction, without first advising Borrower in writing of the details under which the request is made and what action the
Guarantor has taken to refrain from revealing the Confidential Information pursuant to a Freedom of Information request and providing Borrower with the opportunity to prevent disclosure by Guarantor. 

Date: May 13, 2011 
  

			
	ILLINOIS FINANCE AUTHORITY
		
	By:	 	/s/ Christopher B. Meister
	Name:	 	Christopher B. Meister
	Title:	 	Executive Director

  
 7

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