Document:

exv10w1

 

Exhibit 10.1

INDEPENDENT CONTRACTOR AGREEMENT

This Independent Contractor Agreement is made effective for all purposes and in all respects
as of this 6th day of December, 2005, by and between IOWA RENEWABLE ENERGY L.L.C.
(hereinafter known as “Principal”) and PAMELA DUNBAR (hereinafter known as “Independent
Contractor”) who shall collectively be known herein as “the Parties”.

RECITALS:

WHEREAS, Principal is engaged in the business of Production of biodiesel fuel;

WHEREAS, Principal wishes to engage Independent Contractor and Independent Contractor wishes to
accept such engagement on the terms and under the conditions recited below;

The premises having been considered and with acknowledgment of the mutual promises and of other
good and valuable consideration herein contained, the Parties, intending to be legally bound,
hereby agree as follows:

A. Capacity of Engagement. The duties to be performed by Independent Contractor for Principal are
generally described as follows: Project Manager

	 	1)	 	To be visible in the community and represent IRE publicly.
	 
	 	2)	 	To attend IRE Board meetings and make presentations regarding progress of the project.
	 
	 	3)	 	Make deposits of investments into the “Escrow Account”.
	 
	 	4)	 	Maintain the records of equity investments of individual investors.
	 
	 	5)	 	Active in the determination of equity meeting sites.
	 
	 	6)	 	To make all arrangements related to Equity Meetings.
	 
	 	7)	 	Confer with Vendors of IRE.
	 
	 	8)	 	Maintain records related to expenditures of IRE for the project.

B. Term of Independent Contractor Agreement. Principal shall engage Independent Contractor in the
capacity set forth above commencing on or by January 1, 2006 (or such other date as the Parties may
agree to) and continuing for a term of one year with an automatic renewal thereof for an additional
three months at the expiration of said term unless Principal gives notice of intention not to renew
the contract at least 30 days prior to the end of the current contract term.

	 	1.	 	Method of All Notices except termination for cause. All notices required under this
contract except termination for cause, shall be given in writing delivered by any method.
	 
	 	2.	 	Notice to Principal. All notices under this contract to be given to the Principal shall be
communicated to the following individual at the stated address:
	 
	 	 	 	William Pim at Iowa Renewable Energy L.L.C., 750 So. 14th Ave., Washington, Iowa
52353. Principal may amend this subparagraph through written notice to the Independent Contractor.

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	 	3.	 	Notice to Independent Contractor. All notices under this contract shall be given to the
Independent Contractor as follows:
	 
	 	 	 	Pamela Dunbar at Pamela Dunbar, 2725 Trio Ct., Washington, Iowa 52353. Independent Contractor
may amend this subparagraph through written notice to the Principal.

C. Termination for cause. Principal may terminate this Independent Contractor Agreement at any time
“for cause”, the grounds for which are defined below. In the case of termination for cause,
Principal shall have no obligation to Independent Contractor for compensation or any other form of
benefit under this agreement except for compensation earned prior to the effective date of
the termination. Also, in the case of termination for cause, Principal shall reimburse Independent
Contractor for all appropriately documented expenses incurred by Independent Contractor before the
termination date that are otherwise reimbursable to him or her under this contract. The “notice
period” and “notice method”, if any, contained in paragraph B above do not apply to termination for
cause. Principal must give actual notice to Independent Contractor of termination for cause but may
deliver said notice by any manner, either orally or in writing. Principal may make termination for
cause effective immediately. However, should state or federal law require a notice period, the
notice period so required under the law shall be applicable to this contract.

Grounds for “Cause” Termination. Commission of any of the following acts by the Independent
Contractor constitutes grounds for the Principal to terminate Independent Contractor “for cause”
under this paragraph:

	 	1.	 	Independent Contractor is charged with a felony crime;
	 
	 	2.	 	Independent Contractor commits a crime of moral turpitude such as an act of fraud or other
crime involving dishonesty;
	 
	 	3.	 	Independent Contractor uses illegal drugs;
	 
	 	4.	 	Independent Contractor fails to perform his or her duties in a competent manner;
	 
	 	5.	 	Independent Contractor violates his or her duties of confidentiality and/or non-
competition under this agreement;
	 
	 	6.	 	Independent Contractor fails to comply with directives from superiors, the company board of
directors or managing officers, or written company policies;
	 
	 	7.	 	Independent Contractor commits any act or acts that harm the Company’s reputation,
standing, or credibility within the community(ies) it operates or with its customers or suppliers;
	 
	 	8.	 	Independent Contractor fails to perform the duties assigned to him or her for any reason;

D. Required Confidentiality. For so long as Independent Contractor shall remain engaged by
Principal and for a period of three years after termination of the contract with Principal for any
reason, Independent Contractor shall not disclose or communicate any “Confidential Information” of
Principal to any person or entity other than Principal nor use said “Confidential Information” for
any purpose or reason other than the benefit of Principal. For purposes of the preceding sentence,
“Confidential Information” means (but is not limited to) any information regarding Principal’s
business methods, business policies, procedures, techniques, research or development projects or
results, sales information of any kind, financial information of any kind,

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trade secrets or other knowledge possessed by Principal which is not generally known by individuals
outside of the Principal (including Principal’s employees, consultants, and advisors). Also,
“Confidential Information” shall additionally include, but not be limited to, the following
information of Principal:

	 	1.	 	Price lists or other pricing information;
	 
	 	2.	 	Customer lists or other customer information;
	 
	 	3.	 	Sales strategy, tactics, or methods;
	 
	 	4.	 	Information pertaining to products or services under development;
	 
	 	5.	 	Internal company reports of any kind.

E. Independent Contractor Status For Tax Purposes. Independent Contractor shall report and pay to
the proper state and federal agencies self-employment taxes upon all compensation earned in
performance of this contract. The Parties to this contract are in agreement that Independent
Contractor holds the status, for state and federal tax purposes, of “independent contractor”.

F. Independent Contractor Compensation. For all services rendered by Independent Contractor under
this agreement, Independent Contractor shall receive fixed pay at the rate of $1000 per week. This
rate may be adjusted by agreement of the parties. Principal shall also reimburse Independent
Contractor for all appropriately documented expenses directly related to this employment. Because
the nature of this employment as Project Manager requires completion of the task to be successful
for the Principal, if Independent Contractor terminates her employment prior to the completion of
her duties as Project Manager and prior to 12 months, Independent Contractor will be required to
pay Principal the sum of $2500.00 as liquidated damages.

G. Remedies in Event of Breach of Paragraph D. Independent Contractor hereby recognizes that
irreparable damage will result to the Principal, and to the business of Principal, in the event of
breach by Independent Contractor of any of the covenants and assurances contained in paragraph D
(Confidentiality) above. As such, in the event of breach of any of the covenants and assurances
contained in paragraph D of this contract, Principal shall be entitled to enjoin and restrain
Independent Contractor from any continued violation of any term of paragraph D. This equitable
remedy shall be in addition to (and not supersede) any action for damages Principal may have for
breach of any part of this agreement.

a. Attorneys Fees and out-of-pocket costs. Should Independent Contractor breach this
agreement, Principal shall be indemnified by Independent Contractor for its reasonable attorney’s
fees and out-of-pocket costs which in any way related to, or were precipitated by, the breach of
this agreement.

H. Survival of Paragraphs D, E, and G through O. Should either party lawfully terminate this
agreement, paragraphs D, E, and G through O hereof shall survive any such termination and remain in
full force and effect until the expiration of their legal enforceability.

I. Integration. This Agreement sets forth the entire agreement between the Parties with regard to
the subject matter hereof. All prior agreements, and covenants, express or implied, oral or

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written, with respect to the subject matter hereof and hereby superseded by this agreement. This is
an integrated agreement. Should the language of this contract conflict with any Principal’s manuals
or memoranda, the language of this contract shall control unless the external document
specifically states that it shall act as a modification of company employment contracts and the
Independent Contractor consents to this modification.

J. Severability. In the event any provision of this Agreement is deemed to be void, invalid, or
unenforceable, that provision shall be severed from the remainder of this Agreement so as not to
cause the invalidity or unenforceability of the remainder of this Agreement. All remaining
provisions of this Agreement shall then continue in full force and effect. If any provision shall
be deemed invalid due to its scope or breadth, such provision shall be deemed valid to the extent
of the scope and breadth permitted by law.

K. Modification. Except as otherwise provided in this document, this agreement may be modified,
superseded, or voided only upon the written and signed agreement of the Parties. Further,
the physical destruction or loss of this document shall not be construed as a modification or
termination of the agreement contained herein.

L. Acknowledgements. Each party acknowledges that he or she has had an adequate opportunity to read
and study this Agreement, to consider it, to consult with attorneys if he or she has so desired.

M. Return of Materials. Independent Contractor agrees that upon the termination of his or her
employment with Principal for any reason whatsoever, Independent Contractor will promptly return to
Principal all manuals, records, training materials, and other Confidential Information (described
in paragraph D above) in his or her possession as well as equipment, if any, given to Independent
Contractor by Principal for use in performance of his or her duties.

N. Effect of Waiver of Breach. The waiver by the Principal of a breach of any of the provisions of
this agreement by the Independent Contractor shall not operate or be construed as a waiver of any
subsequent breach by the Independent Contractor.

O. Exclusive Jurisdiction for Suit in Case of Breach. The Parties, by entering into this agreement,
submit to jurisdiction in Washington County, Iowa for adjudication of any disputes and/or claims
between the parties under this agreement. Furthermore, the parties hereby agree that the courts of
Washington County, Iowa shall have exclusive jurisdiction over any disputes between the parties
relative to this agreement, whether the dispute sounds in contract, tort, or other areas of the
law.

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IN WITNESS WHEREOF and acknowledging acceptance and agreement of the foregoing, Principal and
Independent Contractor affix their signatures hereto.

	 	 	 
	PRINCIPAL

	 	INDEPENDENT CONTRACTOR
	 
	 	 
	/s/ William Pim

	 	/s/ Pamela Dunbar
	 

	 	 
	Iowa Renewable Energy, L.L.C.

	 	Pamela Dunbar
	By: William Pim
	 	 
	Title: Director
	 	 
	Dated:
12-16, 2005

	 	Dated: 12-16, 2005

STATE OF IOWA                     )

                                                    ) SS.

COUNTY OF WASHINGTON)

     I the undersigned a Notary Public authorized to administer oaths in the State of Iowa,
certifies that the above-named signatories to this contract, having appeared before me and having
been first duly sworn, then declared to me that they willingly signed and executed this contract
and that they executed such instrument as their free and voluntary act for the purposes therein
expressed.

     IN WITNESS WHEREOF, I have hereunto subscribed my name and affixed my official seal this
16 day of December, 2005.

	 	 	 
	/s/ Toni L. Hunter, notary
	 	 
	 

Notary Public

	 	 

	 	 	 	 	 
	SEAL

	 	TONI L. HUNTER
	 	 
	 

	 	Commission Number 730262	 	 
	 

	 	My commission Expires	 	 
	 

	 	August 27, 2007	 	 

5exv10w2

 

Exhibit 10.2

THE ASSOCIATED GENERAL CONTRACTORS OF AMERICA

  

STANDARD FORM OF DESIGN-BUILD

AGREEMENT AND GENERAL CONDITIONS

BETWEEN OWNER AND CONTRACTOR

(Where the Basis of Payment is a Lump Suns)

  

 TABLE OF ARTICLES

	 	1.	 	AGREEMENT
	 
	 	2,	 	GENERAL PROVISIONS
	 
	 	3.	 	CONTRACTOR’S RESPONSIBILITIES
	 
	 	4.	 	OWNER’S RESPONSIBILITIES
	 
	 	5.	 	SUBCONTRACTS
	 
	 	6.	 	CONTRACT TIME
	 
	 	7.	 	CONTRACT PRICE
	 
	 	8.	 	CHANGES IN THE WORK
	 
	 	9.	 	PAYMENT
	 
	 	10.	 	INDEMNITY. INSURANCE AND WAIVER OF SUBROGATION
	 
	 	11.	 	TERMINATION OF THE AGREEMENT AND OWNER’S RIGHT TO PERFORM
CONTRACTOR’S RESPONSIBILITIES
	 
	 	12.	 	DISPUTE RESOLUTION
	 
	 	13.	 	MISCELLANEOUS PROVISIONS
	 
	 	14.	 	LIST OF CONTRACT DOCUMENTS

AGC DOCUMENT NO. 415 – STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
OWNER AND CONTRACTOR ©1993. The Associated General Contractors of America

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This Agreement has important legal and insurance consequences. Consultation with an attorney and
insurance consultant is encouraged with respect to its completion or modification,

STANDARD FORM OF DESIGN-BUILD AGREEMENT AND

GENERAL CONDITIONS BETWEEN OWNER AND CONTRACTOR

(Where the Basis of Payment is a Lump Sum)

ARTICLE I

AGREEMENT

This Agreement is made this 2 day of May

In the year 2006, by and between the

OWNER

	 	 	 
	(Name and Address)

	 	Iowa Renewable Energy, LLC
	 

	 	P O Box 2
	 

	 	Washington, Iowa
	 
	 	 
	and the
	 	 
	CONTRACTOR
	 	 
	(Name and Address)

	 	Renewable Energy Group, (REG)
	 

	 	406 First Street, P O Box 68
	 

	 	Ralston, IA 51459

for services in connection with the following

PROJECT

New 30 Million Gallon Per Year Biodiesel Facility.

Notice to the parties shall be given at the above addresses.

ARTICLE 2

GENERAL PROVISIONS

2.1 TEAM RELATIONSHIP The Owner and the Contractor agree to proceed with the project on the
basis of trust, good faith and fair dealing. The Contractor aggress to procure the architectural
and engineering services set forth below, and to furnish construction and administration of the
Work.

2.2 ARCHITECT/ENGINEER Architectural and engineering services shall be procured from licensed,
independent design professionals retained by the Contractor or furnished by licensed employees of
the Contractor, or as permitted by the law of the state where the Project is located. The person
or entity providing architectural and engineering services shall be referred to as the
Architect/Engineer. If the Architect/Engineer is an independent design professional, the
architectural and engineering services shall be procured and payments shall be made pursuant to a
separate agreement between the Contractor and the Architect/Engineer. The architectural and
engineering services are independent of the work or services provided directly by the Contractor.
The Architect/Engineer for the Project is Todd & Sargent, Inc.

2.3 EXTENT OF AGREEMENT This Agreement is solely for the benefit of the parties, represents the
entire and integrated agreement between the parties, and supersedes all prior negotiations,
representations or agreements, either written or oral.

2.4 DEFINITIONS

     .1 The Contract Documents consist of:

	 	a.	 	Change Orders and written amendments to this Agreement signed by both the Owner and
Contractor;
	 
	 	b.	 	This Agreement, except for the existing Contract Documents set forth in item e below;
	 
	 	c.	 	The most current Documents approved by the Owner pursuant to Subparagraph 3.1.1;
	 
	 	d.	 	The information provided by the Owner pursuant to Clause 4.1.2.1;
	 
	 	e.	 	The Contract Documents in existence at the time of this Agreement which are set forth
in Article 14;

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
OWNER AND CONTRACTOR ©1993. The Associated General Contractors of America

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	 	f.	 	The Owner’s Programs provided pursuant to Subparagraph 4.1.1.

In case of any inconsistency, conflict of ambiguity among the Contract Documents, the
Documents shall govern in the order in which they are listed above.

.2 The Work is the Design Services procured in accordance with Paragraph 3.1, the
Construction Services provided in accordance with Paragraph 3.2, Additional Services in
accordance with Paragraph 3.7, and other services which are necessary to complete the Project
in accordance with and reasonably inferable from the Contract Documents.

.3 The term Day shall mean Calendar day.

.4 A Subcontractor is a person or entity who has an agreement with the Contractor to perform
any portion of the Work. The term Subcontractor does not include the Architect/Engineer or
any separate contractor employed by the Owner or any separate contractor’s subcontractors.

.5 A subsubcontractor is a person or entity who has an assignment with a Subcontractor to
perform any portion of the Subcontractor’s work.

.6 Substantial Completion of the Work, or of a designated portion, occurs on the date when
construction is sufficiently complete in accordance with the Contract Documents so that the
Owner can occupy or utilize the Project, or a designated
portion, for the use for which it is
intended. This date shall be confirmed by a certificate of Substantial Completion signed by
the Owner and Contractor. The certificate shall state the respective responsibilities of the
Owner and Contractor for security, maintenance, heat, utilities, damage to the Work, and
insurance. The certificate shall also list the items to be completed or corrected, and
establish the time for their completion and correction.

.7 The Owner’s Program is an initial description of the Owner’s objectives, including
budgetary and time criteria, space requirements and relationships, flexibility and
expendability requirements, special equipment and systems, and site requirements.

ARTICLE 3

CONTRACTOR’S RESPONSIBILITES

The Contractor shall be responsible for procuring the design and for the construction of the
Work consistent with the Owner’s Program, as such Program may be modified by the Owner during the
course of the Work. The Contractor shall exercise reasonable skill and judgment in the performance
of the Work.

3.1 DESIGN SERVICES

3.1.1 DRAWINGS AND SPECIFICATIONS The Contractor shall submit for the Owner’s written approval
Drawings and Specifications based on the Contract Documents or any further development of Contract
Documents that have been approved in writing by the Owner. The Drawings and Specifications shall
set forth in detail the requirements for construction of the Work, and shall be based upon codes,
law or regulations enacted at the time of their preparation. Construction shall be in accordance
with these approved Drawings and Specifications. One set of these documents shall be furnished to
the Owner prior to commencement of construction. REG will provide “as-built” drawings to
Western Iowa at Substantial Completion.

3.1.2 OWNERSHIP OF DOCUMENTS All documents shall remain the property of the Contractor and are not
to be used by the Owner without the written consent of the Contractor. Contractor vets in
Owner a limited irrevocable license to use the documents and work product in connection with
Owner’s occupancy, operation and repair of the Work/Project and Contractor shall provide with a
copy of the “as-built” plans related to the Work/Project.

3.2 CONSTRUCTION SERVICES

3.2.1 Construction will commence upon the issuance by the Owner of a written notice to proceed.

3.2.2 In order to complete the Work, the Contractor shall provide all necessary construction
supervision, inspection, construction equipment, construction labor, materials, tools and
subcontracted items.

3.2.3 The Contractor shall give all notices and comply with all laws and ordinances legally enacted
at the date of execution of the Agreement which govern the proper performance of the Work.

3.2.4 The Contractor shall maintain the Schedule of Work. This schedule shall indicate the dates
for the state and completion of the various stages of the construction including the dates when
information and approvals are required from the Owner. It shall be revised as required by the
conditions of the Work.

3.2.5 The Contractor shall assist the Owner in securing the building permits necessary for the
construction of the Project.

3.2.6 The Contractor shall take necessary precautions for the safety of its employees on the
Project, and shall comply will all applicable provisions of federal, state and municipal safety
laws to prevent accidents or injury to persons on, about or adjacent to the Project site. The
Contractor, directly or through its Subcontractors, shall erect and properly maintain at all times,
as required by the conditions and progress of the Work, necessary safeguards for the protection of
works and the public. The Contractor, however, shall not be responsible for the elimination or
abatement of safety hazards created or otherwise resulting from work at the Project site carried on
by the Owner or its employees, agents, separate contractors or tenants. The Owner agrees to cause
its employees, agents, separate contractors and tenants to abide by and fully adhere to all
applicable provisions of federal, state and municipal safety laws and regulations. The above
provision shall not relieve Subcontractors of their responsibility for the safety of persons or
property in the performance of their work, nor for compliance with all applicable provisions of
relevant laws.

3.2.7 The Contractor shall keep such full and detailed accounts as may be necessary for proper
financial management under this Agreement. The Owner shall be afforded access to all the
Contractor’s records, books, correspondence, instructions, drawings, receipts, vouchers, memoranda
and similar data relating to Change Order work performed on the basis of actual cost. The
Contractor shall preserve all such records for a period of three years after the final payment or
longer requested by law.

3.2.8 The Contractor shall provide periodic written reports to the Owner on the progress of the
Work as agreed to by the Owner and Contractor.

3.2.9 At all times the Contractor shall maintain the site of the Work free from debris and waste
materials resulting from the Work. At the completion of the Work, the Contractor shall remove from
the premises all construction equipment, tools, surplus materials, waste materials and debris.

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
OWNER AND CONTRACTOR ©1993. The Associated General Contractors of America

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3.3 HAZARDOUS MATERIAL

3.3.1 A Hazardous Material is any substance or material identified now or in the future as
hazardous under any federal, state or local law or regulation, or any other substance or material
which may be considered hazardous or otherwise subject to statutory or regulatory requirements
governing handling, disposal and/or clean-up. The Contractor shall not be obligated to commence or
continue Work until any known or suspected Hazardous Material discovered at the Project site has
been removed, rendered or determined to be harmless by the Owner as certified by an independent
testing laboratory and approved by the appropriate government agency.

3.3.2 If after the commencement of the Work, known or suspected Hazardous Material is discovered at
the Project site, the Contractor shall be entitled to immediately stop Work in the affected area,
and the Contractor shall report the condition to the Owner and, if required, the government agency
with jurisdiction.

3.3.3 The Contractor shall not be required to perform any Work relating to or in the area of known
or suspected Hazardous Material without written mutual agreement.

3.3.4 The Owner shall be responsible for retaining an independent testing laboratory to determine
the nature of the material encountered and whether it is a Hazardous Material requiring corrective
measures and/or remedial action. Such measures shall be the sole responsibility of the Owner, and
shall be performed in a manner minimizing any adverse effect upon the Work of the Contractor. The
Contractor shall resume Work in the area affected by any Hazardous Material only upon written
agreement between the parties after the Hazardous Material has been removed or rendered harmless.

3.3.5 If the Contractor incurs additional costs and/or is delayed due to the presence of known or
suspected Hazardous Material, the Contractor shall be entitled to an equitable adjustment in the
Contract Price and/or the date of Substantial Completion.

3.3.6 To the fullest extent permitted by law, the Owner shall indemnify and hold harmless the
Contractor, Architect/Engineer, Subcontractors and Subsubcontractors, and the agents, officers,
directors and employees of each of them, from and against any and all claims, damages, losses,
costs and expenses, whether direct or indirect or consequential, including but not limited to
attorney’s fees, costs and expenses incurred in connection with litigation or arbitration, arising
out of or relating to the performance of the Work in any area affected by Hazardous Material. To
the fullest extent permitted by law, such indemnification shall apply regardless of the fault,
negligence, breach of warranty or contract or strict liability of the indemniee.

3.3.7 Notwithstanding the proceeding provisions of this Section 3.3, owner is not responsible
for hazardous conditions and/or Hazardous Materials introduced to the Project site by Contractor,
or by its subcontractors or sub-subcontractors, or anyone from whose acts they may be liable.
Contractor shall indemnify, defend and hold harmless Owner and Owner’s officers, directors,
employees and agents from and against all claims, losses, damages, liabilities and expenses,
including attorneys fees and expenses, arising out of or resulting from those hazardous conditions
and/or Hazardous Materials introduced to the project site by Contractor or by its subcontractors,
sub-subcontractors or anyone from whose acts they may be liable.

3.3.7.8 The terms of this Paragraph 3.3 shall survive the completion of the Work under this
Agreement and/or any termination of this Agreement.

3.4 ROYALTIES, PATENTS AND COPYRIGHTS The Contractor shall pay all royalties and license fees
which may be due on the inclusion of any patented or copyrighted materials, methods or systems
selected by the Contractor and incorporated in the Work. The Contractor shall defend indemnify and
hold the Owner harmless from all suits or claims for infringement of any patent rights or
copyrights arising out of such selection. The Owner agrees to defend, indemnify and hold the
Contractor harmless from any suits or claims of infringement of any patent rights arising out of
any patented materials, methods or systems specified by the Owner. Contractor grants to the
Owner a perpetual and irrevocable license to use any and all of Contractor’s technology and
proprietary property related to and/or incorporated into the Work/Project in connection with the
operation, maintenance and repair of the Work. Contractor represents and warrants that it has all
right and interest in and to the technology and proprietary property (or has obtained all such
rights and interests) related to the design, construction, operation, maintenance and repair of the
Work/Project and has the power and authority to grant the license to Owner as contemplated by this
Section. Owner shall pay no license fee or royalty to Contractor or to any other person for
Owner’s use of the technology and proprietary property. The consideration for the license is
included in the amounts payable by Owner to Contractor for the construction of the Work under this
Agreement.

Patent Infringement: Contractor shall defend any action or proceeding brought against Owner
based on any claim that the Work, or any part thereof, or that the operation or use of the Work,
or any part thereof, constitutes infringement of any United States patent or copyright, now or
hereafter issued, including any claim relating to the failure of Contractor to pay royalties or
license fees. If Owner is enjoined from the operation or use of the Work, or any part thereof,
as a result of any patent or copyright suit, claim or proceeding, Contractor shall at its sole
expense take reasonable steps to procure the right to operate or use the Work. If Contractor
cannot so procure such right within a reasonable right, Contractor shall promptly, at
Contractor’s expense, (i) modify the Work so as to avoid infringement of any such patent or
copyright or (ii) replace such Work with work that does not infringe or violate any such patent
or copyright; provided, however, any modified or replacement Work to the project shall continue
to enable the plant to meet any and all performance guarantee criteria. Contractor shall
indemnify and hold harmless Owner for any and all damages and claims (including, without
limitation, reasonable attorney fees) arising out of or resulting from any claim of infringement
with respect to the use of the technology and proprietary property related to and/or
incorporated into the Work/Project or for any branch of any provision of this Section. All
provisions of this Section shall survive and remain in full force and effect notwithstanding any
termination or expiration of this Agreement or the license granted herein.

3.5 TAX EXEMPTION If in accordance with the Owner’s direction an exemption is claimed for taxes,
the Owner agrees to defend, indemnify and hold the Contractor harmless from any liability, penalty,
interest, fine, tax assessment, attorneys fees or other expense or cost incurred by the Contractor
as a result of any action taken by the Contractor in accordance with the Owner’s direction.

3.6 WARRANTIES AND COMPLETION

3.6.1 The Contractor warrants that all materials and equipment furnished under this Agreement will
be new unless otherwise specified, of good quality in conformance with the Contract Documents, and
free from defective workmanship and materials. Warranties shall commence on the date of
Substantial Completion of the Work or of a designated portion. The Contractor agrees to correct
all construction performed under this Agreement which proves to be defective in workmanship and
materials within a period of one year from the date of Substantial Completion as set forth in
Paragraph 6.2 or for such longer periods of time as may be set forth with respect to specific
warranties required by the Contract Documents.

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
OWNER AND CONTRACTOR ©1993. The Associated General Contractors of America

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3.6.2 Those products, equipment, systems or materials incorporated in the Work at the direction of
or upon the specific request of the Owner shall be covered exclusively by the warranty of the
manufacturer. There are no warranties which extend beyond the description on the face thereof.
All other warranties expressed or implied including the warranty of merchantability and the
warranty of fitness for a particular purpose are expressly disclaimed.

3.6.3 The Contractor shall secure required certificates of inspection, testing or approval and
deliver them to the Owner.

3.6.4 The Contract shall collect all written warranties and equipment manuals and deliver them to
the Owner.

3.6.5 With the assistance of the Owner’s maintenance personnel, the Contractor shall direct the
checkout of utilities and operations of systems and equipment for readiness, and assist in their
initial state-up and testing.

3.6.6 Contractor guarantees and warrants that the Work/Project will achieve the performance
requirements with respect to the operation of the Work/Project set forth in that certain Process
Guarantee letter dated May 2, 2006, by and between the Contractor and Owner, which Process
Guarantee Letter is incorporated into this Agreement. In the event of Contractor’s breach of this
Agreement and warranty, Contractor shall take all action as necessary to remedy the deficiencies
that prevented the successful achievement of the performance requirements at Contractor’s sole cost
and expense.

Performance tests will be conducted jointly by Contractor and Owner to verify achievement of
the performance requirements. If the performance tests fail to achieve the performance
requirements, Contractor shall promptly take such action as may be necessary to remedy, at its
expense, all deficiencies which prevented the successful completion of the performance test.
Contractor shall be required at its sole cost and expense, to conduct one or more additional
performance tests, until such time that the performance tests confirm that the corrective measures
have corrected the deficiencies and the Work/Project meets the performance requirements.

The Process Guarantee shall be deemed to have been met when the facility accumulates seven 24
hour periods, producing 90,909 gallons or more of biodiesel per 24 hour period.

3.6.7 Contractor further warrants that the Work/Project shall demonstrate that is does not
exceed those air emissions levels cumulatively allocable to the Project contained in, and does not
violate the terms and conditions of, the air permits issues to the Owner for the Project. If the
Project fails to meet such air emission levels, then Contractor, at Contractor’s sole cost and
expense, shall correct any defects of deficiencies in the Work/Project as necessary so that the
Project does not violate or exceed such air emissions levels set forth in the air permits.
Contractor shall continue to take corrective measures until subsequent performance tests
demonstrate that the Project does not exceed the air emissions levels and otherwise complies with
the performance requirements.

3.6.8 The standard of care for all design and construction services performed by Contractor
shall be the care and skill ordinarily used by members of the design and construction profession
practicing under similar conditions at the same time and locality of the project. Notwithstanding
this standard of case, the parties have agreed uon specific performance standards for certain
aspects of the Work, which standards should be set forth in any performance guarantee criteria.
The design and construction professional services shall be performed to achieve such standards.

3.7 ADDITIONAL SERVICES The Contractor shall provide or procure the following Additional Services
upon the request of the Owner. A written Agreement between the Owner and Contractor shall define
the extent of such Additional Services, such Additional Services shall be considered a Change in
the Work, unless they are specifically included in Article 14.

.1 Documentation of the Owner’s Program, establishing the Project budget, investigating
sources of financing, general business planning and other information and documentation as may
be required to establish the feasibility of the Project.

.2 Consultations, negotiations, and documentation supporting the procurement of Project financing.

.3 Surveys, site evaluations, legal descriptions and aerial photographs.

.4 Appraisals of existing equipment, existing properties, new equipment and developed properties.

.5 Soils, subsurface and environmental studies, reports and investigations required for
submission to governmental authorities or other having jurisdiction over the Project.

.6 Consultants and representations other than normal assistance in securing building permits,
before governmental authorities or others having jurisdiction over the Project.

.7 Investigation or making measured drawings of existing conditions or the verification of drawings or other Owner-provided information.

.8 Artistic renderings, models and mockups of the Project or any part of the Project or the Work.

.9 Inventories of existing furniture, fixtures, furnishings and equipment which might be under consideration for incorporation into the Work.

.10 Interior design and related services including procurement and placement of furniture,
furnishings, artwork and decorations.

.11 Making revisions to design documents after they have been approved by the Owner when
revisions are due to causes beyond the control of the Contractor.

.12 Design, coordination, management, expediting and other services supporting the procurement
of materials to be obtained, or work to be performed, by the Owner, including but not limited
to telephone systems, computer wiring networks, sound systems, alarms, security systems and
other specialty systems which are not part of this Agreement.

.13 Estimates, proposals, appraisals, consultations, negotiations and services in connection
with the repair and replacement of an insured loss.

.14 The premium portion of overtime work ordered by the Owner including productivity impact
costs.

.15 Document reproduction exceeding the limits provided for in this Agreement.

.16 Out-of-town travel by the Architect/Engineer in connection with the Work, except between
the Architect/Engineer’s office. Contractor’s office, Owner’s office and the Project site.

.17 Obtaining service contractor and training maintenance personnel, assisting and consulting
in the use of systems and equipment after the
initial state-up and adjusting and balancing of systems and equipment. Operator training
requested by Owner that extends past Contractors standard turn-key service will not be covered
by this agreement. Standard service includes two weeks of pre-startup off-site training along
with one week of on-site training. This is followed by two weeks of start-up support and
off-site support as needed for a period of one month.

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.18 Services for tenant or rental spaces not a part of this Agreement.

.19 Services requested by Owner or required by the Work which are not specified in the
Contract Documents and which are not normally part of the generally accepted design and
construction practice.

.20 Serving or preparing to serve as an expert witness in connection with any proceeding,
legal or otherwise, regarding the Project.

.21 Preparing reproducible record drawings from marked-up prints, drawings or other documents
that incorporate significant changes in the Work made during the construction.

ARTICLE 4

OWNER’S RESPONSIBILITIES

4.1 INFORMATION AND SERVICES PROVIDED BY OWNER

	4.1.1	 	The Owner shall provide full information in a timely manner regarding requirements for the
Project, including the Owner’s Program and other relevant information.
	 
	4.1.2	 	The Owner shall provide:

.1 all necessary information describing the physical characteristics of the site, including
surveys, site evaluations, legal descriptions, existing conditions, subsurface and
environmental studies, reports and investigations;

.2 inspection and testing services during construction as required by law or as mutually
agreed; and

.3 unless otherwise provided in the Contract Documents, necessary approvals, site plan
review, rezoning, easements and assessments, necessary permits, fees and charges required for
the construction, use, occupancy or renovation of permanent structures, including legal and
other required services.

4.1.3 The Owner shall provide reasonable evidence satisfactory to the Contractor, prior to
commencing the Work and during the progress of the Work, that sufficient funds are available and
committed for the entire cost of the Project, including an allowance for changes in the Work as may
be approved in the course of the Work. Unless such reasonable evidence is provided, the Contractor
shall not be required to commence or continue the Work. The Contractor may stop Work after seven
(7) days’ written notice to the Owner if such evidence is not presented within a reasonable time.
The failure of the Contractor to insist upon the providing of this evidence at any time shall not
be a waiver of the Owner’s obligation to make payments pursuant to this Agreement, not shall it be
a waiver of the Contractor’s right to request or insist that such evidence be provided at a later
date.

4.1.4 The Contractor shall be entitled to rely on the completeness and accuracy of the information
and services required by this Paragraph 4.1.

4.2 RESPONSIBILITIES DURING DESIGN

4.2.1 The Owner shall review and approve further development of the drawings and specifications as
set forth in Article 3.

4.3 RESPONSIBILITIES DURING CONSTRUCTION

4.3.1 The Owner shall review the Schedule of Work and timely respond to its obligations.

4.3.2 If the Owner becomes aware of any error, omission or failure to meet the requirements of the
Contract Documents or any fault or defect in the Work, the Owner shall give prompt written notice
to the Contractor.

4.3.3 The Owner shall communicate with the Contractor’s Subcontractors, suppliers and
Architect/Engineer only through the Contractor. The Owner shall have no contractual obligations to
Subcontractors, suppliers, or the Architect/Engineer.

4.3.4 The Owner shall provide insurance for the Project as provided in Article 10.

4.4
OWNER’S REPRESENTATIVE The Owner’s representative is
Pamela Dunbar, who is agreed to
by the Contractor. The representative:

.1 shall be fully acquainted with the Project:

.2 agrees to furnish the information and services required of the Owner pursuant to
Paragraph 4.1 so as not to delay the Contractor’s Work: and

.3 shall have authority to bind the Owner in all matters requiring the Owner’s approval,
authorization or written notice. If the Owner changes its representative or the
representative’s authority as listed above, the Owner shall notify the Contractor in advance
in writing. The Contractor shall have the right to approve any successor representative.

ARTICLE 5

SUBCONTRACTS

Work not performed by the Contractor with its own forces shall be performed by Subcontractors.

5.1 RETAINING SUBCONTRACTORS The Contractor shall not retain any Subcontractor to whom the Owner
has a reasonable and timely objection, provided that the Owner agrees to increase the Contract
Price for any additional costs incurred by the Contractor as a result of such objection. The
Contractor shall not be required to retain any Subcontractor to whom the Contractor has a
reasonable objection.

5.2 MANAGEMENT OF SUBCONTRACTORS The Contractor shall be responsible for the management of the
Subcontractors in the performance of their work.

5.3 MANAGEMENT OF SUBCONTRACT AGREEMENTS The Contractor shall provide for assignment of
subcontract agreements in the event that the Owner terminates this Agreement for cause as provided
in Paragraph 11.2. Following such termination, the Owner shall notify in writing those
subcontractors whose assignments will be accepted, subject to the rights of sureties, if any.

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ARTICLE 6

CONTRACT TIME

6.1 COMMENCEMENT OF THE WORK The Work Field Construction shall commence on or about
June 12, 2006 and shall proceed in general accordance with the Schedule of Work as such
schedule may be amended from time to time, subject, however, to the provisions of Paragraph 3.3 and
Subparagraph 4.1.3.

6.2 SUBSTANTIAL COMPLETION The date of Substantial Completion of the Work shall be no later than
12 months after the “break escrow” date, subject to adjustment in accordance with the
provisions of Article 8. Time shall be of the essence of this Agreement. Owner and Contractor
agree that as liquidated damages for dely Contractor shall pay Owner $1500 for each day that
expires after the time specified for substantial copletion until the work is substantially
complete.

6.3 DELAYS IN THE WORK

6.3.1 If causes beyond the Contractor’s control delay the progress of the Work, then the Contract
Price and/or the date of Substantial Completion shall be modified by Change Order as appropriate.
Such causes shall include but not be limited to: changes ordered in the Work, acts or omissions of
the Owner or separate contractors employed by the Owner, the Owner preventing the Contractor from
performing the Work pending dispute resolution, Hazardous Materials, except those Hazardous
Materials arising under Article 3.3.7, differing site conditions, adverse weather conditions
not reasonably anticipated, fire, unusual transportation delays, labor disputes, or unavoidable
accidents or circumstances.

6.3.2 In the event delays to the project are encountered for any reason, the parties agree to
undertake reasonable steps to mitigate the effect of such delays.

ARTICLE 7

CONTRACT PRICE

The Contract Price is $39,445,500.00 (Thirty-Nine Million, Four Hundred Fourty-Five Thousand,
Five Hundred Dollars) , subject to adjustment in accordance with the provisions of Article 8.
Price is per REG Proposal Letter dated May 2, 2006.

ARTICLE 8

CHANGES IN THE WORK

Changes in the Work which are within the general scope of this Agreement may be accomplished by
Change Order without invalidating this Agreement.

8.1 CHANGE ORDERS A Change Order is a written instrument, issued after execution of this
Agreement, signed by the Owner and Contractor stating their agreement upon a change and any
adjustment in the Contract Price and/or the date of Substantial Completion. Each adjustment in the
Contract Price resulting from a Change Order shall clearly separate the amount attributatble to
Design Services.

8.2 DETERMINATION OF COST An increase or decrease in the Contract Price resulting from a change
in the Work shall be determined by one or more of the following methods:

.1 unit prices set forth in this Agreement or as subsequently agreed;

.2 a mutually accepted, itemized lump sum; or

.3 if an increase or decrease cannot be agreed to as set forth in Subparagraphs 8.2.1 or
8.2.2 and the Owner issues a written order for the Contractor proceed with the change, the
adjustment in the Contract Price shall be determine by the reasonable expense and savings of
the performance of the Work resulting from the change. If there is a net increase in the
Contract Price, a reasonable adjustment shall be made in the Contractor’s overhead and
profit. In the case of a net decrease in cost, the amount of decrease in the Contract Price
will not include a reduction in overhead and profit. The Contractor shall maintain a
documented, itemized accounting evidencing the expenses and savings. The Contractor’s
overhead and profit for changes in Project resulting in an increase shall be 10%.

8.3 NO OBLIGATION TO PERFORM The Contractor shall not be obligated to perform changed Work until
a Change Order has been executed by the Owner and Contractor, except as provided in Subparagraph
8.2.3.

8.4 ADJUSTMENT OF UNIT PRICES If a proposed Change Order alters original quantities to a degree
that application of previously agreed to unit prices would be inequitable to either the Owner or
the Contractor, the unit prices and the Contract Price shall be equitably adjusted.

8.5 UNKNOWN CONDITIONS If in the performance of the Work the Contractor finds latent, concealed
or subsurface physical conditions which differ from the conditions the Contractor reasonably
anticipated, or if physical conditions are materially different than those normally encountered and
generally recognized as inherent in the kind of work provided for in this Agreement, then the
Contract Price and/or the date of Substantial Completion shall be equitably adjusted by Change
Order within a reasonable time after the conditions are first observed.

8.6 CLAIMS FOR ADDITIONAL COST OR TIME For any claim for an increase in the Contract Price and/or
an extension in the date of Substantial Completion, the Contractor shall give the Owner written
notice of the claim within twenty-one (21) days after the occurrence giving rise to the claim or
within twenty-one (21) days after the Contractor first recognizes the condition giving rise to the
claim, whichever is later. Except in an emergency, notice shall be given before proceeding with
the Work. Claims for design and estimating costs incurred in connection with possible changes
requested by the Owner, but which do not proceed, shall be made within twenty-one (21) days after
the decision is made not to proceed. Any changes in Contract Price and/or date of Substantial
Completion resulting from such claim shall be authorized by Change Order.

8.7 EMERGENCIES In any emergency affecting the safety of persons and/or property, the Contractor
shall act, at is discretion, to prevent threatened damage, injury or loss. Any change in the
Contract Price and/or extension of the date of Substantial Completion on account of emergency work
shall be determined as provided in this Article.

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ARTICLE 9

PAYMENT

9.1 INITIAL PAYMENT Upon execution of this Agreement an initial payment of
                    dollars shall be made to the Contractor. The amount of the initial payment shall
be credited against                      the Contract Price at final payment. Prior to signing of this
Agreement the Owner has made several payments to the Contract for Phase 1, Phase 2 and
pre-construction services. These payments totaling $1,800,000 and the Work attributed to them
become a part of this Agreement and are included in the Contract Price of this Agreement.
Retainage on this Project shall be in amount of 5% of each invoice and shall become due in
accordance with Article 9.2.7.

9.2 PROGRESS PAYMENTS Prior to submitting the first Application for Payment, the Contractor shall
provide a Schedule of Values satisfactory to the Owner, consisting of a breakdown of the Contract
Price, with a separate line for Design Services.

9.2.1 On or before the 30th day of each month after the Work has commenced, the
Contractor shall submit to the Owner an Application for Payment in accordance with the Schedule of
Values based upon the Work completed and materials stored on the site or at other locations
approved by the Owner.

9.2.2 Within ten (10) fifteen (15) days after receipt of each monthly Application for
Payment, the Owner shall pay directly to the Contractor the appropriate amount for which
Application for Payment is made, less amounts previously paid by the Owner.

9.2.3 If the Owner fails to pay the Contractor at the time payment of any amount becomes due, then
the Contractor may, at any time thereafter, upon serving written notice that the Work will be
stopped within five (5) days after receipt of the notice by the Owner, and after such five (5) day
period, stop the Work until payment of the amount owing has been received.

9.2.4 Payments due but unpaid shall bear interest at the rate the Owner is paying on its
construction loan or at the current “prime rate” of bank, whichever is higher, plus two points.

9.2.5 The Contractor warrants and guarantees that title to all Work, materials and equipment
covered by an Application for Payment, whether incorporated in the Project or not, will pass to the
Owner upon receipt of such payment by the Contractor free and clear of all liens, claims, security
interests or encumbrances, hereinafter referred to as “liens.”

9.2.6 The Owner’s progress payment, occupancy or use of the Project, whether in whole or in part,
shall not be deemed an acceptance of any Work not conforming to the requirements of the Contract
Documents.

9.2.7 Upon Substantial Completion of the Work, the Owner shall pay the Contractor the unpaid
balance of the Contract Price, less a sum equal to the Contractor’s and Owners mutually agreed
upon estimated cost of completing any unfinished items as agreed to between the Owner and
Contractor as to extent and time for completion. The Owner thereafter shall pay the Contractor
monthly the amount retained for unfinished items as each item is completed. Contractor shall
notify Owner when it believes the Work is substantially complete. Within five (5) days of Owner’s
receipt of Contractor’s notice, Owner and Contractor will jointly inspect such Work to verify that
it is substantially complete in accordance with the Contract Documents. If such Work is
substantially complete, Contractor and Owner shall jointly prepare and issue a Certificate of
Substantial Completion that will set forth (i) the date of Substantial Completion of the Work, (ii)
the remaining items of Work that have to be completed before final payment, (iii) provisions
establishing Owner’s and Contractor’s responsibility for the Project’s security, maintenance,
utilities and insurance pending final payment, and (iv) an acknowledgement that warranties commence
to run on the date of Substantial Completion, except as may otherwise be noted in the Certificate
of Substantial Completion.

9.3 FINAL PAYMENT

9.3.1 Final payment, consisting of the unpaid balance of the Contract Price less the initial
payment made under Paragraph 9.1, shall be due and payable when the Work is fully completed.
Before issuance of final payment, the Owner may request satisfactory evidence that all payrolls,
materials bills and other indebtedness connected with the Work have been paid or otherwise
satisfied.

9.3.2 In making final payment the Owner waives all claims except for:

.1 outstanding liens;

.2 improper workmanship or defective materials appearing within one year after the date of
Substantial Completion;

.3 Work not in conformance with the Contract Documents; and

.4 terms of any special warranties required by the Contract Documents.

9.3.3 In accepting final payment, the Contractor waives all claims except those previously made in
writing and which remain unsettled.

9.3.4 At the time of submission of its final payment, Contractor shall provide the following
information (1) an affidavit that there are no claims, obligations or liens outstanding or
unsatisfied for labor, services, materials, etc., (2) A general release executed by REG waiving
all claims except those claims previously made in writing, (3) The delivery of the operating
manual, warranties and other deliverables required by the contract documents, (4) Certificates of
Insurance confirming that required coverage will remain in effect consistent with the requirement
of the contract documents; and (6) Such other reasonable and customary documents as necessary for
Owner and its lender to obtain the required title to the plant which may include all final lien
waivers from Contractor and its subcontractors.

9.3.5 Contractor shall indemnify, defend and hold harmless Owner from any claims or mechanics
liens brought against Owner or against the Project as a result of the failure of Contractor, or
those for whose acts it is responsible, to pay for any services, materials, labor, equipment, taxes
or other items or obligations furnished or incurred for on in connection with the Work. Within
seven (7) days of receiving written notice from Owner that such a claim or mechanics lien has been
filed, Contractor shall commence to take the steps necessary to discharge said claim or lien,
including, if necessary, the furnishing of a mechanics lien bond. If Contractor fails to do so,
Owner will have the right to discharge the claim or lien and hold Contractor liable for costs and
expenses incurred including attorney’s fees. The foregoing obligation of Contractor shall be
subject to reasonable disputes that Contractor may have with respect to any claim or mechanics lien
provided Contractor provides written notice of such dispute to Owner and Owner agrees to delay the
enforcement of its rights under this Section.

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ARTICLE 10

INDEMNITY, INSURANCE AND WAIVER OF SUBROGATION

10.1 INDEMNITY

10.1.1 To the fullest extent permitted by law, the Contractor shall defend, indemnify and hold the
Owner harmless from all claims for bodily injury and property damage (other than to the Work itself
and other property insured under Paragraph 10.5), including resulting loss of use that may arise
from the performance of the Work, to the extent of the negligence attributed to such acts or
omissions by the Contractor, Subcontractors or anyone employed directly or indirectly by any of
them or by anyone for whose acts any of them may be liable. The Contractor shall not be required
to defend, indemnify or hold harmless the Owner for any acts, omissions or negligence of the Owner,
Owner’s employees, agents or separate contractors.

10.1.2 The Owner shall cause any other contractor who may have a contract with the Owner to
perform work in the areas where Work will be performed under this Agreement, to agree to indemnify
the Contractor, Subcontractors or anyone employed directly or indirectly by any of them or anyone
for whose acts any of them may be liable and hold them harmless from all claims for bodily injury
and property damage, other than property insured under Paragraph 10.5, that may arise from the
contractor’s operations. Such provisions shall be in a form satisfactory to the Contractor.

10.2 CONTRACTOR’S LIABILITY INSURANCE

10.2.1 The Contractor shall obtain and maintain insurance coverage for the following claims which
may arise out of the performance of this Agreement, whether resulting from the Contractor’s
operations or by the operations of any Subcontractor, anyone in the employ of any of them, or by an
individual or entity for whose acts they may be liable:

.1 workers’ compensation, disability benefit and other employee benefit claims under acts
applicable to the Work;

.2 under applicable employers liability law, bodily injury, occupational, sickness, disease
or death claims of the Contractor’s employees;

.3 bodily injury, sickness, disease, or death claims for damages to persons not employed by
the Contractor;

.4 usual personal injury liability claims for damages directly or indirectly related to the
person’s employment by the Contractor or for damages to any other person;

.5 damage to or destruction of tangible property, including resulting loss of use, claims
for property other than the work itself and other property insured under Paragraph 11.5 10.5;

.6 bodily injury, death or property damage claims resulting from motor vehicle liability in
the use, maintenance or ownership of any motor vehicle; and

.7 contractual liability claims involving the Contractor’s obligations under Subparagraph
11.1.1.

	10.2.2	 	The Contractor’s Commercial General and Automobile Liability Insurance as required by
Subparagraph 11.2.1 shall be written for not less than the following limits of liability:

	 	 	 	 	 	 	 	 	 	 	 
	 	 	.1	 	Commercial General Liability Insurance	 	 	 	 
	 
	 	 	 	a.	 	Each Occurrence Limit	 	$	1,000,000	 
	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	b.	 	General Aggregate	 	$	2,000,000	 
	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	c.	 	Products/Completed	 	 	 	 
	 
	 	 	 	 	 	Operations Aggregate	 	$	2,000,000	 
	 
	 	 	 	d.	 	Personal and Advertising	 	 	 	 
	 
	 	 	 	 	 	Injury Limit	 	$	1,000,000	 
	 
	 	 	 	 	 	 	 	 	 	 
	 	 	.2	 	Comprehensive Automobile Liability Insurance	 	 	 	 
	 
	 	 	 	a.	 	Combined Single Limit Bodily	 	 	 	 
	 
	 	 	 	 	 	Injury and Property Damage	 	$	1,000,000	 
	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	Each occurrence
	 
	 	 	 	 	 	Or	 	 	 	 
	 
	 	 	 	b.	 	Bodily Injury	 	$	N/A	 
	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	Each Person
	 
	 	 	 	 	 	 	 	$	N/A	 
	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	Each Occurrence
	 
	 	 	 	c.	 	Property Damage	 	$	N/A	 
	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	Each Occurrence
	 	 	.3	 	Umbrella Liability	 	$	10,000,000	 
	 
	 	 	 	 	 	 	 	 	 

10.2.3 Commercial General Liability Insurance may be arranged under a single policy for the full
limits required or by a combination of underlying policies and an Excess or Umbrella Liability
policy.

10.2.4 The policies shall contain a provision that coverage will not be cancelled or not renewed
until at least thirty (30) days’ prior written notice has been given to the Owner. Certificates of
insurance showing required coverage to be in force shall be filed with the Owner prior to
commencement of the Work.

10.2.5 Products and Completed Operations insurance shall be maintained for a minimum period of at
least one (1) year(s) after either ninety (90) days following the date of Substantial
Completion or final payment, whichever is earlier.

10.3 PROFESSIONAL LIABILITY INSURANCE The Architect/Engineer’s professional liability insurance
for claims arising from the negligent performance of professional services under this Agreement
shall be written for not less than $1,000,000 per claim and in the aggregate with a
deductible not to exceed $100,000. These requirements shall be continued in effect for
one (1) year(s) after the date of Substantial Completion. If the Architect/Engineer
retains consultants for a portion of the design, their professional liability insurance coverage,
including deductible amounts, shall be set forth in Article 13 of this Agreement.

10.4 OWNER’S LIABILITY INSURANCE The Owner shall be responsible for obtaining and maintaining its
own liability insurance. Insurance for
claims arising out of the performance of this Agreement may be purchased and maintained at the
Owner’s discretion.

10.5 INSURANCE TO PROTECT PROJECT

10.5.1 The Owner Contractor shall obtain and maintain property insurance in a form
acceptable to the Contractor Owner upon the entire Project for the

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full cost of replacement
at the time of any loss. This insurance shall include as named insureds the Owner, Contract,
Architect/Engineer, Subcontractors and Subsubcontractors. This insurance shall insure against loss
from the perils of fire and extended coverage, and shall include “all risk” insurance for physical
loss or damage including without duplication of coverage, at least: theft, vandalism, malicious
mischief, transit, collapse, falsework, temporary buildings, debris removal, flood, earthquake,
resting, and damage resulting from defective design, workmanship or material. The Owner
Contractor shall increase limits of coverage, to reflect estimated replacement cost. The
Owner Contractor shall be responsible for any co-insurance penalties or deductibles.
This insurance shall include testing with a limit of $0,000,000. If the Owner wishes testing
limits higher than $10,000,000 or other special coverages Contractor will attempt to include them
in the Builders Risk policy. The cost of this insurance shall be billed to Owner outside of the
contract price at Contractor’s actual cost.

10.5.2 If the Owner occupies or uses a portion of the Project prior to its Substantial Completion,
such occupancy or use shall not commence prior to a time mutually agreed to by the Owner and the
Contractor and to which the insurance company or companies providing the property insurance have
consented by endorsing the policy or policies. This insurance shall not be cancelled or lapsed on
account of partial occupancy. Consent of the Contractor to such early occupancy or use shall not
be unreasonably withheld.

10.5.3 The Owner shall obtain and maintain boiler and machinery insurance as necessary. The
interest of the Owner, Contractor, Architect/Engineer, Subcontractors and Subsubcontractors shall
be protected under this coverage.

10.5.4 The Owner shall purchase and maintain insurance to protect the Owner, Contractor,
Architect/Engineer, Subcontractors and Subsubcontractors against loss of use of Owner’s property
due to those perils insured pursuant to Paragraph 10.5. Such policy will provide coverage for
expediting expenses of materials, continuing overhead of the Owner and the Contractor,
Architect/Engineer, Subcontractors and Subsubcontractors, necessary labor expense including
overtime, loss of income by the Owner and other determined exposures. Exposures of the Owner,
Contractor, Architect/Engineer, Subcontractors, Subsubcontractors, shall be determined by mutual
agreement with separate limits of coverage fixed for each item.

10.5.5 Upon the Contractor’s request, the Owner shall provide the Contractor with a copy of all
policies before an exposure to loss may occur. Copies of any subsequent endorsements shall be
furnished to the Contractor. The Contractor shall be given thirty (30) days’ notice of
cancellation, non-renewal, or any endorsements restricting or reducing coverage. The Owner shall
give written notice to the Contractor before commencement of the Work if the Owner will not be
obtaining property insurance. In that case, the Contractor may obtain insurance in order to
protect its interest in the Work as well as the interest of the Architect/Engineer, Subcontractors,
Subsubcontractors in the Work. The Contract Price shall be increased by the cost of the insurance
through Change Order. If the Contractor is damaged by failure of the Owner to purchase or maintain
property insurance or to so notify the Contractor, the Owner shall bear all reasonable costs
incurred by the Contractor arising from the damage.

10.6 PROPERTY INSURANCE LOSS ADJUSTMENT

10.6.1 Any insured loss shall be adjusted with the Owner and the Contractor and made payable to
the Owner and Contractor as trustee for the insureds, as their interests may appear, subject to any
applicable mortgagee clause.

10.6.2 Upon the occurrence of an insured loss, monies received will be deposited in a separate
account and the trustees shall make distribution in accordance with the agreement of the parties in
interest, or in the absence of such agreement, in accordance with an arbitration award pursuant to
Article 12. If the trustees are unable to agree between themselves on the settlement of the loss,
such dispute shall also be submitted for resolution pursuant to Article 12.

10.7 WAIVER OF SUBROGATION

10.7.1 The Owner and Contractor waive all rights against each other, the Architect/Engineer, and
any of their respective employees, agents, consultants, Subcontractors, Subsubcontractors, for
damages caused by risks covered by insurance provided in Paragraph 10.5 to the extent they are
covered by that insurance, except such rights as they may have to the proceeds of such insurance
held by the Owner and Contractor as trustees. The Contractor shall require similar waivers from
the Architect/Engineer and all Subcontractors, and shall require each of them to include similar
waivers in their subsubcontracts and consulting agreements.

10.7.2 The Owner waives subrogation against the Contractor, Architect/Engineer, Subcontractors and
Subsubcontractors on all property and consequential loss policies carried by the Owner on adjacent
properties and under property and consequential loss policies purchased for the Project after its
completion.

10.7.3 If the policies of insurance referred to in this Paragraph require an endorsement to
provide for continued coverage where there is a waiver of subrogation, the owners of such policies
will cause them to be so endorsed.

ARTICLE 11

TERMINATION OF THE AGREEMENT AND OWNER’S RIGHT TO

PERFORM CONTRACTOR’S RESPONSIBILITIES

11.1 TERMINATION BY THE CONTRACTOR

11.1.1 Upon seven (7) days’ written notice to the Owner, the Contractor may terminate this
Agreement for any of the following reasons:

.1 if the Work has been stopped for thirty (30) day period;

	 	a.	 	under court order or order of other governmental authorities having
jurisdiction;
	 
	 	b.	 	as a result of the declaration of a national emergency or other
governmental act during which, through no act or fault of the Contractor,
materials are not available; or
	 
	 	c.	 	because of the Owner’s failure to pay the Contractor in accordance
with this Agreement;

.2 if the Work is suspended by the Owner for sixty (60) days;

.3 if the Owner materially delays the Contractor in the performance of the Work’

.4 if the Owner otherwise materially breaches this Agreement: and such material breach
has not been cured by Owner within ten (10) days of
written notice from Contractor of such material breach; or

.5 if the Owner fails to furnish reasonable evidence that sufficient funds are available and
committed for the entire cost of the Project in accordance with Subparagraph 4.1.3 of this
Agreement.

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
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11.1.2 Upon termination by the Contractor in accordance with Subparagraph 11.1.1. the Contractor
shall be entitled to recover from the Owner payment for all Work executed and for any proven loss,
cost or expense in connection with the Work, plus all demobilization costs and reasonable damages.
In addition, the Contractor shall be paid an amount calculated as set forth either in Subparagraph
11.3.1 or 11.3.2 depending on when the termination occurs, and Subparagraphs 11.3.3 and 11.3.4.

11.2 OWNER’S RIGHT TO PERFORM CONTRACTOR’S OBLIGATIONS AND TERMINATION BY THE OWNER FOR CAUSE

11.2.1 If the Contractor persistently fails to perform any of its obligations under this
Agreement, the Owner may, after seven (7) days’ written notice, during which period the Contractor
fails to perform such obligation, undertake to perform such obligations. The Contract Price shall
be reduced by the cost to the Owner of performing such obligations.

11.2.2 Upon seven (7) days’ written notice to the Contractor and the Contractor’s surety, if any,
the Owner may terminate this Agreement for any of the following reasons:

.1 if the Contractor persistently utilizes improper materials and/or inadequately skilled
workers;

.2 if the Contractor does not make proper payment to laborers, material suppliers or
contractors;

.3 if the Contractor persistently fails to abide by the orders, regulations, rules,
ordinances or laws of governmental authorities having jurisdiction; or

.4 if the Contractor otherwise materially breaches this Agreement.

If the Contractor fails to cure within the seven (7) days, the Owner, without prejudice to any
other right or remedy, may take possession of the site and complete the Work utilizing any
reasonable means. In this event, the Contractor shall not have a right to further payment until
the Work is completed. This Agreement may be immediately terminated by Owner in the event
Contractor becomes financial insolvent.

11.2.3 If the Contractor files a petition under the Bankruptcy Code, this Agreement shall
terminate if the Contractor or the Contractor’s trustee rejects the Agreement or, if there has been
a default, the Contractor is unable to give adequate assurance that the Contractor will perform as
required by this Agreement or otherwise is unable to comply with the requirements for assuming this
Agreement under the applicable provisions of the Bankruptcy Code.

11.2.4 In the event the Owner exercises its rights under Subparagraphs 11.2.1 or 11.2.2, upon the
request of the Contractor the Owner shall provide a detailed accounting of the cost incurred by the
Owner.

11.3 TERMINATION BY OWNER WITHOUT CAUSE If the Owner terminates this Agreement other than as set
forth in Paragraph 11.2, the Owner shall pay the Contractor for all Work executed and for any
proven loss, cost or expense in connection with the Work, plus all demobilization costs. In
addition, the Contractor shall be paid an amount calculated as set forth below:

.1 If the Owner terminates this Agreement prior to commencement of the construction, the Contractor shall be paid the unpaid balance of
the Contractor’s design costs as set forth in the Schedule of Values plus 5% of the remaining balance of the Contract Price.

.2 If the Owner terminates this Agreement after commencement of the construction, the Contractor shall be paid the unpaid balance of the
Contractor’s design costs as set forth in the Schedule of Values plus 10% of the remaining balance of the Contract Price.

.3 In either event, the initial payment as provided in Paragraph 9.1 shall be credited to the Owner’s account at the time of termination.

.4 The Owner shall also pay to the Contractor fair compensation, either by purchase or rental at the election of the Owner, for any
equipment retained. The Owner shall assume and become liable for obligations, commitments and unsettled claims that the Contractor has
previously undertaken or incurred in good faith in connection with the Work or as a result of the termination of this Agreement. As a
condition of receiving the payments provided under this Article 11, the Contractor shall cooperate with the Owner by taking all steps
necessary to accomplish the legal assignment of the Contractor’s rights and benefits to the Owner, including the execution and delivery of
required papers.

11.4 SUSPENSION BY THE OWNER FOR CONVENIENCE

11.4.1 The Owner may order the Contractor in writing to suspend, delay or interrupt all or
any part of the Work without cause for such period of time as the Owner may determine to be
appropriate for its convenience.

11.4.2 Adjustments caused by suspension, delay or interruption shall be made for increases
in the Contract Price and/or the date of Substantial Completion. No adjustment shall be made if
the Contractor is or otherwise would have been responsible for the suspension, delay or
interruption of the Work, or if another provision of this Agreement is applied to render an
equitable adjustment.

ARTICLE 12

DISPUTE RESOLUTION

12.1 INITIAL DISPUTE RESOLUTION If a dispute arises out of or relates to this Agreement or
its breach, the parties shall endeavor to settle the dispute first through direct discussions. If
the dispute cannot be settled through direct discussions, the parties shall endeavor to settle the
dispute by mediation under the Construction Industry Mediation Rules of the American Arbitration
Association before recourse to arbitration. Issues to be mediated are subject to the exceptions in
Paragraph 12.2 for arbitration. The location of the mediation shall be the location of the
Project. Once one party files a request for mediation with the other contracting party and with
the American Arbitration Association, the parties agree to conclude such mediation within sixty
(60) days of filing of the request.

12.2 AGREEMENT TO ARBITRATE Any controversy or claim arising out of or relating to this Agreement
or its breach not resolved by mediation, except for claims which have been waived by the making or
acceptance of final payment, shall be decided by arbitration in accordance with the Construction
Industry Arbitration Rules of the American Arbitration Association then in effect unless the
parties mutually agree otherwise. Notwithstanding Paragraph 13.2, this agreement to arbitrate
shall be governed by the Federal Arbitration Act.

12.3 NOTICE OF DEMAND A written demand for arbitration shall be filed with the American
Arbitration Association and the other party to this
Agreement within a reasonable time after the dispute or claim has arisen, but in not event after
the applicable statute of limitations for a legal or equitable proceeding would have run.

12.4 AWARD The arbitration award shall be final. Judgment upon the award may be confirmed in any
court having jurisdiction.

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
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12.5 WORK CONTINUANCE AND PAYMENT Unless otherwise agreed in writing, the Contractor shall
continue the Work and maintain the approved schedules during any arbitration proceedings. If the
Contractor continues to perform, the Owner shall continue to make payments in accordance with this
Agreement.

12.6 MULTIPARTY PROCEEDING The parties agree that all parties necessary to resolve a claim shall
be parties to the same arbitration proceeding. Appropriate provisions shall be included in all
other contracts relating to the Work to provide for the consolidation of arbitrations.

12.7 COST OF DISPUTE RESOLUTION The prevailing party in any dispute arising out of or relating to
this Agreement or its breach that is resolved by arbitration or litigation shall be entitled to
recover form the other party reasonable attorney’s fees, costs and expenses incurred by the
prevailing party in connection with such arbitration or litigation.

ARTICLE 13

MISCELLANEOUS PROVISIONS

13.1 ASSIGNMENT Neither the Owner nor the Contractor shall assign their interest in this
Agreement without the written consent of the other except as to the assignment of proceeds.
Owner can collaterally assign the Agreement to its lender without obtaining the prior written
consent to Contractor.

13.2 GOVERNING LAW This Agreement shall be governed by the law in effect at the location of this
Project.

13.3 SEVERABILITY The partial or complete invalidity of any one or more provisions of this
Agreement shall not affect the validity or continuing force and effect of any other provision.

13.4 NO WAIVER OF PERFORMANCE The failure of either party to insist, in any one or more
instances, on the performance of any of the terms, covenants or conditions of this Agreement, or to
exercise any of its rights, shall not be construed as a waiver or relinquishment of such term,
covenant or condition or right with respect to further performance.

13.5 TITLES The title given to the Articles of this Agreement are for ease of reference only and
shall not be relied upon or cited for any other purpose.

13.6 OTHER PROVISIONS

13.6.1 Contractor warrants and guarantees that the Project will be capable of obtaining
BQ-9000 accreditation.

13.6.2 Our intent is to build this project on a Merit Shop basis. Should we be required to
enter into any wage agreements (prevailing wage, Union, etc.) the extra cost and/or time associated
with this will e treated as a change in the Work under Article 8 of this agreement.

13.6.3 Owner is responsible to provide all commodities require for the start-up and/or testing
of the facility.

13.6.4 Performance and Payment Bonds have not been included in this Agreement. At Owner’s
request bonds will be provided and the Owner agrees to pay Contractor at Contractor’s actual cost
outside of this Agreement.

13.6.5 Contractor shall be responsible for security at the site during the construction of the
facility. Owner shall assume responsibility for security at the site at substantial completion.

ARTICLE 14

EXISTING CONTRACT DOCUMENTS

The Contract Documents in existence at the time of execution of this Agreement are as follows:

	 	 	 	 	 
	 	 	Technical Specificiations, dated May 2, 2006.
	 
	 	 	 	 
	 	 	Contract Drawings:
	 
	 	 	 	 
	 	 	20010 — GEN101.0TITLE SHEET & AERIAL VIEWS
	 
	 	 	 	 
	 	 	20010 — GEN102.0PROJECT INFORMATION SHEET
	 
	 	 	 	 
	 

	 	20010-GAR111.0
	 	SITE PLAN
	 
	 	 	 	 
	 

	 	20010-GAR112.0
	 	GENERAL PLAN FACILITIES LAYOUT
	 
	 	 	 	 
	 

	 	20010-GAR113.0
	 	GENERAL PLAN TANK FARM
	 
	 	 	 	 
	 

	 	20010-GAR114.0
	 	GENERAL PLAN — ADMIN AND YARD STORAGE BUILDING
	 
	 	 	 	 
	 

	 	20010-GAR211.0
	 	TRUCK & RAIL LOAD/UNLOAD & HCL UNLOAD GRADE LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR212.0
	 	TRUCK & RAIL LOAD/UNLOAD UPPER LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR213.0
	 	GRADE LEVEL UTILITY AREA PLAN
	 
	 	 	 	 
	 

	 	20010-GAR214.0
	 	PIPE BRIDGE LEVEL UTILITY AREA PLAN

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
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	 	20010-GAR215.0
	 	TANK FARM PLAN WEST AREA
	 
	 	 	 	 
	 

	 	20010-GAR216.0
	 	TANK FARM PLAN MIDDLE AREA
	 
	 	 	 	 
	 

	 	20010-GAR217.0
	 	TANK FARM PLAN EAST AREA
	 
	 	 	 	 
	 

	 	20010-GAR218.0
	 	YARD STORAGE BUILDING PLAN & SECTION
	 
	 	 	 	 
	 

	 	20010-GAR221.0
	 	PIPE BRIDGE “A3” AND “A4” ELEVATIONS
	 
	 	 	 	 
	 

	 	20010-GAR222.0
	 	TRUCK & RAIL LOAN/UNLOAD FLARE SECTION
	 
	 	 	 	 
	 

	 	20010-GAR223.0
	 	TRUCK LOAD & UNLOAD BLDG. & GRID “AB” PIPE BRIDGE SECTIONS
	 
	 	 	 	 
	 

	 	20010-GAR411.0
	 	PROCESS & SUPPORT BLDG. MAIN LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR412.0
	 	PROCESS & SUPPORT BLDG. LOWER ACCESS LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR413.0
	 	PROCESS & SUPPORT BLDG. SECOND LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR414.0
	 	PROCESS & SUPPORT BLDG. THIRD LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR415.0
	 	PROCESS & SUPPORT BLDG. UPPER ACCESS LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR416.0
	 	PROCESS & SUPPORT BLDG. TOWER LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR421.0
	 	PROCESS BUILDING SECTION AT GRID “CD” TO “CE”
	 
	 	 	 	 
	 

	 	20010-GAR422.0
	 	PROCESS BUILDING SECTION AT GRID “CC” TO “CD”
	 
	 	 	 	 
	 

	 	20010-GAR423.0
	 	PROCESS BUILDING SECTION AT GRID “CB” TO “CC”
	 
	 	 	 	 
	 

	 	20010-GAR424.0
	 	PROCESS BUILDING SECTION AT GRID “CA” TO “CB”
	 
	 	 	 	 
	 

	 	20010-GAR425.0
	 	PROCESS BUILDING SECTIONS
	 
	 	 	 	 
	 

	 	20010-GAR426.0
	 	PROCESS BUILDING SECTIONS
	 
	 	 	 	 
	 

	 	20010-GAR427.0
	 	CONTROL & UTILITY BUILDING SECTION
	 
	 	 	 	 
	 

	 	20010-GAR428.0
	 	PRETREAT BUILDING & EMPLOYEE FACILITY SECTIONS
	 
	 	 	 	 
	 

	 	20010-GAR429.0
	 	PRETREAT TOWER & SUPPORT BUILDING SECTIONS
	 
	 	 	 	 
	 

	 	20010-GAR711.0
	 	TRUCK SCALE & ADMINITRATION BUILDING GRADE LEVEL PLAN
	 
	 	 	 	 
	 

	 	20010-GAR712.0
	 	ADMINISTRATION BLDG. LOWER LEVEL PLAN AND SECTION
	 
	 	 	 	 
	 	 	20010-STR101.0 	 	GENERAL STRUCTURAL SPECIFICATIONS
	 
	 	 	 	 
	 	 	REG PROPOSAL LETTER, DATED MAY 2, 2006
	 
	 	 	 	 
	 	 	REG PROCESS GUARANTEE LETTER, DATED MAY 2, 2006

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
OWNER AND CONTRACTOR ©1993. The Associated General Contractors of America

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This Agreement is entered into as of the date entered in Article 1.

	 	 	 	 	 	 	 
	 	 	 	 	OWNER: IOWA RENEWABLE ENERGY, LLC
	 
	 	 	 	 	 	 
	ATTEST:

	 	/s/ Andrea M. Crooks
	 	BY:
	 	/s/ Michael J. Bohannan
	 

	 	 
	 	 	 	 
	 	 	 	 	PRINT NAME: Michael J. Bohannan
	 	 	 	 	PRINT TITLE: President
	 
	 	 	 	 	 	 
	 	 	 	 	CONTRACTOR: RENEWABLE ENERGY GROUP
	 
	 	 	 	 	 	 
	ATTEST:

	 	/s/ Vickie Ayers
	 	BY:
	 	/s/ Philip Sargent
	 

	 	 
	 	 	 	 
	 	 	 	 	PRINT NAME: Philip Sargent
	 	 	 	 	PRINT TITLE: Partner

AGC DOCUMENT NO. 415 — STANDARD FORM OF DESIGN-BUILD AGREEMENT AND GENERAL CONDITIONS BETWEEN
OWNER AND CONTRACTOR ©1993. The Associated General Contractors of America

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