Document:

exv4w1

 

Exhibit 4.1

CERTIFICATE OF MEMBERSHIP UNITS

	 	 	 	 	 
	

	 	
	 	

BUFFALO RIDGE ENERGY, LLC

A Limited Liability Company Organized Under the Laws of the State of South Dakota

     THIS CERTIFIES THAT
                     is/are the
owner(s) of                      UNITS
(                    ) of the Membership Units of BUFFALO
RIDGE ENERGY, LLC., a South Dakota limited liability company. Changes in the actual Membership
Units held by the Members are reflected in the Certificate of Registration of the Company.

The Membership Units represented by this Certificate may not be transferred or assigned except
in compliance with the Operating Agreement of the Company, a copy of which is available
at the principal office of the Company.

IN WITNESS WHEREOF, the Company has caused this Certificate to be signed by its duly
authorized President and Secretary as of this                      day of
                    , 20
                    .

	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	 

Gregory Van Zanten, President
	 	  
	 	 

David Kolsrud, Secretary
	 	 

 

 

FOR
VALUE RECEIVED,                      hereby sell, assign, and transfer unto
                                        
                   
Units
represented by the within Certificate, and do hereby irrevocably constitute and appoint                     
 Attorney to transfer the said Units on the books of the within named Company with full power
of substitution in the premises.

     Dated                     ,
                     .

In Presence of

	 	 	 	 	 	 	 
	 

	 	 
	 	 

	 	 
	 
	 	 	 	 	 	 
	 

	 	 	 	 

	 	 

THE TRANSFERABILITY OF THE MEMBERSHIP UNITS REPRESENTED BY THIS CERTIFICATE IS
RESTRICTED. SUCH UNITS MAY NOT BE SOLD, ASSIGNED, OR TRANSFERRED, AND NO ASSIGNEE,
VENDEE, TRANSFEREE OR ENDORSEE THEREOF WILL BE RECOGNIZED AS HAVING ACQUIRED ANY
SUCH UNITS FOR ANY PURPOSES, UNLESS AND TO THE EXTENT SUCH SALE, TRANSFER,
HYPOTHECATION, OR ASSIGNMENT IS PERMITTED BY, AND IS COMPLETED IN STRICT ACCORDANCE
WITH, APPLICABLE FEDERAL AND STATE LAW AND THE TERMS AND CONDITIONS SET FORTH IN THE
OPERATING AGREEMENT OF THE COMPANY, AS AMENDED FROM TIME TO TIME.

THE SECURITIES REPRESENTED BY THIS CERTIFICATE MAY NOT BE SOLD, OFFERED FOR SALE OR
TRANSFERRED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION UNDER THE SECURITIES ACT OF
1933, AS AMENDED, AND UNDER APPLICABLE STATE SECURITIES LAWS, OR AN OPINION OF
COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH TRANSACTION IS EXEMPT FROM
REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND UNDER APPLICABLE
STATE SECURITIES LAWS.exv4w2

 

Exhibit 4.2

BUFFALO RIDGE ENERGY, LLC

SUBSCRIPTION AGREEMENT

Limited Liability Company Membership Units

$1,000 per Unit

Minimum
Investment of 10 Units ($10,000)

1 Unit Increments Thereafter ($1,000)

The undersigned subscriber (“Subscriber”), desiring to become a member Buffalo Ridge Energy, LLC
(“Buffalo Ridge”), a South Dakota limited liability company, with its principal place of business
at 304 Splitrock Blvd, Suite 205, Brandon, South Dakota 57005 hereby subscribes for the purchase of
membership units of Buffalo Ridge, and agrees to pay the related purchase price, identified below.

A. SUBSCRIBER INFORMATION. Please print your individual or entity name and address. If we accept
your subscription, the units will be titled in the name of the subscriber as it appears below.
Joint subscribers should provide both names. Your name and address will be recorded exactly as
printed below. Please provide your home, business and/or mobile telephone number. If desired,
please also provide your e-mail address.

	 	 	 	 	 	 	 
	1.

	 	Subscriber’s Printed Name	 	 	 	 
	2.

	 	Title, if applicable
	 	 

	 	 
	3.

	 	Subscriber’s Address

     Street
	 	 

	 	 
	 

	 	     City, State, Zip Code
	 	 

	 	 
	4.

	 	E-mail Address
	 	 

	 	 
	5.

	 	Home Telephone Number
	 	 

	 	 
	6.

	 	Business Telephone Number
	 	 

	 	 
	7.

	 	Mobile Telephone Number
	 	 

	 	 
	8.

	 	Subscriber’s Social

Security Number
	 	 

	 	 
	9.

	 	Joint Subscriber’s Social

Security Number
	 	 

	 	 
	10.

	 	Taxpayer Identification No.

(Business Entities)
	 	 

	 	 
	 

	 	 	 	 

	 	 

B. NUMBER OF UNITS PURCHASED. You must purchase at least 10 units, and additional units may be
purchased in increments of 1 unit up to a maximum purchase amount of 250 units, which maximum may
be waived in the sole discretion of our board of managers. The minimum number of units to be sold
is 45,000 and the maximum number of units to be sold in the offering is 75,000.

	 	 	 	 	 
	 
	 	 	 	 
	 

	 	units
 

	 	 

C. PURCHASE PRICE. Indicate the dollar amount of your investment (minimum investment is
$10,000).

	 	 	 	 	 	 	 	 	 	 	 
	1.
Total Purchase
Price

($1,000 per unit multiplied

by number of units)

	 	=
	 	2.
1st
Installment

(10% of Total Purchase Price)
	 	+
	 	3.
2nd
Installment

(90% of Total Purchase Price)	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 

 

	 	=
	 	 	 	+
	 	 	 	  

D. GENERAL INSTRUCTIONS FOR SUBSCRIBERS:

You should read the Prospectus dated [DATE OF EFFECTIVENESS] (the “Prospectus”) in its entirety
including the exhibits for a complete explanation of an investment in Buffalo Ridge.

1

 

INSTRUCTIONS IF YOU ARE SUBSCRIBING PRIOR TO THE COMPANY’S RELEASE OF FUNDS FROM ESCROW:
If you are subscribing prior to the Company’s release of funds from escrow, you must follow the
instructions contained in paragraphs 1 through 5 below:

     1. Complete all information required in this Subscription Agreement, and date and sign the
Subscription Agreement on page 6 and the Member Signature Page to our amended and restated operating agreement attached to this Subscription Agreement as Exhibit A.

     2. Immediately provide a personal (or business) check for the first installment of ten percent
(10%) of your investment amount. The check should be made payable to “Home Federal Bank, escrow
agent for Buffalo Ridge Energy, LLC.” You will determine this amount in box C.2 on page 1 of this
Subscription Agreement.

     3. Execute the Promissory Note and Security Agreement on page 7 of this Subscription Agreement
evidencing your commitment to pay the remaining ninety percent (90%) due for the units. The
Promissory Note and Security Agreement is attached to this Subscription Agreement and grant Buffalo
Ridge Energy, LLC a security interest in your units.

     4. Deliver the original executed documents referenced in paragraphs 1 and 3 of these
instructions, together with a personal or business check as described in Paragraph 2 of these
instructions to:

Buffalo Ridge Energy, LLC

304 Splitrock Blvd, Suite 205

Brandon, SD 57005

     5. Within 20 days of written notice from Buffalo Ridge that your subscription has been
accepted, you must remit an additional personal (or business) check for the second installment of
ninety percent (90%) of your investment amount made payable to “Home Federal Bank, escrow agent for
Buffalo Ridge Energy, LLC” in satisfaction of the Promissory Note and Security Agreement. You will
determine this amount in box C.3 on page 1 of this Subscription Agreement. You must deliver this
check to the same address set forth above in paragraph 4 within twenty (20) days of the date of
Buffalo Ridge’s written notice. If you fail to pay the second installment pursuant to the
Promissory Note and Security Agreement, Buffalo Ridge shall be entitled to retain your first
installment and to seek other damages, as provided in the Promissory Note and Security Agreement.
This means that if you are unable to pay the 90% balance of your investment amount within 20 days
of our notice, you may have to forfeit the 10% cash deposit.

     Your funds will be placed in Buffalo Ridge’s escrow account at Home Federal Bank. The funds
will be released to Buffalo Ridge or returned to you in accordance with the escrow arrangements
described in the Prospectus. Buffalo Ridge may, in its sole discretion, reject or accept any part
or all of your subscription. If Buffalo Ridge rejects your subscription, your Subscription
Agreement and investment will be promptly returned to you, plus nominal interest, minus escrow
fees. Buffalo Ridge may not consider the acceptance or rejection of your subscription until a
future date near the end of this offering.

INSTRUCTIONS IF YOU ARE SUBSCRIBING AFTER THE COMPANY’S RELEASE OF FUNDS FROM ESCROW: If
you are subscribing after the Company’s release of funds from escrow, you must follow the
instructions contained in paragraphs 1 through 3 below:

     1. Complete all information required in this Subscription Agreement, and date and sign the
Subscription Agreement on page 6 and the Member Signature Page to our amended and restated operating agreement attached to this Subscription Agreement as Exhibit A.

     2. Immediately provide your personal (or business) check for the entire amount of your
investment (as determined in box C.1 on page 1) made payable to “Buffalo Ridge Energy, LLC.”

     3. Deliver the original executed documents referenced in paragraph 1 of these instructions,
together with your personal or business check as described in paragraph 2 to:

Buffalo Ridge Energy, LLC

304 Splitrock Blvd, Suite 205

Brandon, SD 57005

2

 

     If you are subscribing after we have released funds from escrow and we accept your investment,
your funds will be immediately at-risk as described in the Prospectus. Buffalo Ridge may, in its
sole discretion, reject or accept any part or all of your subscription. If Buffalo Ridge rejects
your subscription, your Subscription Agreement and investment will be returned to you promptly,
plus nominal interest, minus escrow fees. Buffalo Ridge may not consider the acceptance or
rejection of your subscription until a future date near the end of this offering.

     You may direct your questions to either of our governors listed below or to Buffalo Ridge at (605)-582-6100.

	 	 	 	 	 
	NAME	 	POSITION	 	PHONE NUMBER
	Greg Van Zanten

	 	President and Manager
	 	(507) 920-5348
	David Kolsrud

	 	Treasurer/Secretary and Manager
	 	(605) 446-3891
	Matt Sederstrom

	 	Vice President and Manager
	 	(320) 564-3324

	E.	 	Additional Subscriber Information. Subscriber, named above, certifies the following under
penalties of perjury:

	 	1.	 	Form of Ownership. Check the appropriate box (one only) to indicate form of
ownership. If the subscriber is a Custodian, Corporation, Partnership or Trust, please
provide the additional information requested.

	 	 	 	 	 	 	 
	 

	 	o
	 	Individual	 	 
	 	 	o	 	Joint Tenants with Right of Survivorship (Both signatures must appear on page 6.)
	 	 	o	 	Corporation, Limited Liability Company or Partnership (Corporate
Resolutions, Amended and
Restated Operating Agreement or Partnership Agreement must be enclosed.)
	 

	 	o
	 	Trust

     Trustee’s
Name:                                        

     Trust Date:
                                        
	 	 
	 	 	o	 	Other: Provide detailed information in the space immediately below.
	 
	 	 	 	 	 	 
	 

	 	 	 	 

	 	 
	 
	 	 	 	 	 	 
	 

	 	 	 	 

	 	 

	 	2.	 	Subscriber’s Taxpayer Information. Check the appropriate box if you are a
non-resident alien, a U.S. Citizen residing outside the United States, and/or subject
to backup withholding. All individual subscribers should provide their Social Security
Numbers. Trusts should provide the trust’s taxpayer identification number. Custodians
should provide the minor’s Social Security Number. Other entities should provide the
entity’s taxpayer identification number.

	 	 	 	 	 
	 

	 	o
	 	Check box if you are a non-resident alien
	 

	 	o
	 	Check box if you are a U.S. citizen residing outside of the United States
	 

	 	o
	 	Check this box if you are subject to backup withholding

	 	 	 	 	 	 	 
	 

	 	Subscriber’s Social Security No.	 	 	 	 
	 

	 	Joint Subscriber’s Social Security No.
	 	 

	 	 
	 

	 	Taxpayer Identification No.
	 	 

	 	 
	 

	 	 	 	 

	 	 

	 	3.	 	Member Report Address. If you would like duplicate copies of member reports
sent to an address that is different than the address identified in section A, please
complete this section.

	 	 	 	 	 	 	 
	 

	 	Address:	 	 	 	 
	 

	 	 	 	 

	 	 
	 
	 	 	 	 	 	 
	 

	 	 	 	 

	 	 

	 	 	 	 	 	 	 	 	 	 	 
	 

	 	4.	 	State of Residence.	 	 	 	 
	 

	 	 	 	State of Principal Residence:	 	 	 	 
	 

	 	 	 	State where driver’s license is issued:
	 	 

	 	 
	 

	 	 	 	State where resident income taxes are filed:
	 	 

	 	 
	 

	 	 	 	 	 	 	 	 

	 	 

3

 

State(s) in which you have maintained your principal residence during the past three
years:

	 	 	 	 	 	 	 
	 

	 	a.
	 	b.
	 	c.
	 

	 	 
	 	 
	 	 

	 	5.	 	Suitability Standards. You cannot invest in Buffalo Ridge unless you meet one
of the following suitability tests (a or b) set forth below. Please review the
suitability tests and check the box next to the following suitability test that you
meet. For husbands and wives purchasing jointly, the tests below will be applied on a
joint basis.

	 	a.  o	 	 I (We) have annual income from whatever source of at least
$45,000 and a net worth of at least $45,000, exclusive of home,
furnishings and automobiles; or
	 
	 	b.  o	 	 I (We) have a net worth of at least $100,000, exclusive of
home, furnishings and automobiles; or
	 
	 	c.  o	 	 I (We) have a net worth of $150,000, exclusive of home, home
furnishings, and automobiles.

	 	6.	 	Agricultural Producer. Please indicate below whether the subscribing person
or entity meets the following definition of an Agricultural Producer: Persons or
entities, including farmers, ranchers, loggers, agricultural harvesters and fishermen,
that engage in the production or harvesting of an agricultural product. Producers may
or may not own the land or other production resources, but must have majority ownership
interest in the agricultural product to which value is added as a result of the
project. Examples of agricultural producers include but are not limited to: a cattle
or hog feeder that has a majority interest in the livestock that is fed, slaughtered
and sold as beef or pork products or corn grower that has a majority interest in the
corn produced that is then converted into corn meal.

	 	a.  o	 	 I (we) qualify as an Agricultural Producer based on the above
definition.
	 
	 	b.  o	 	 I (we) do not qualify as an Agricultural Producer based on the
above definition.

	 	7.	 	Subscriber’s Representations and Warranties. You must read and certify your
representations and warranties by placing your initials where indicated and by signing
and dating this Subscription Agreement. Joint subscribers are also required to
initial and sign as indicated.

(Initial here) (Joint initials) By signing below the subscriber represents and warrants to Buffalo
Ridge that he, she or it:

	 	 	 	 	 
	
 

	 	
 

	 	a. has received a copy of Buffalo Ridge’s Prospectus
dated [DATE OF EFFECTIVENESS] and the exhibits thereto
or has received notice that this sale has been made
pursuant to a registration statement in which a final
prospectus would have been required to have been
delivered in the absence of Rule 172;
	 
	 	 
	
 

	 	
 

	 	b. has been informed that the units of Buffalo Ridge are
offered and sold in reliance upon a federal securities
registration; state registrations in Florida, Georgia,
Illinois, Iowa, Kansas, Louisiana, Minnesota,
Missouri, and South Dakota; and exemptions from
securities registrations in various other states, and
understands that the units to be issued pursuant to
this subscription agreement can only be sold to a
person meeting requirements of suitability;
	 
	 	 
	
 

	 	
 

	 	c. has been informed that the securities purchased
pursuant to this Subscription Agreement have not been
registered under the securities laws of any state
other than Florida, Georgia, Illinois, Iowa, Kansas,
Louisiana, Minnesota, Missouri, and South Dakota and
that Buffalo Ridge is relying in part upon the
representations of the undersigned Subscriber
contained herein;
	 
	 	 
	
 

	 	
 

	 	d. has been informed that the securities subscribed for
have not been approved or disapproved by the SEC, or
the Florida, Georgia, Illinois, Iowa, Kansas,
Louisiana, Minnesota, Missouri, and South Dakota
Securities Departments or any other regulatory
authority, nor has any regulatory authority passed
upon the accuracy or adequacy of the Prospectus;
	 
	 	 
	
 

	 	
 

	 	e. intends to acquire the units for his/her/its own
account without a view to public distribution or
resale and that he/she/it has no contract,
undertaking, agreement or arrangement to sell or
otherwise transfer or dispose of any units or any
portion thereof to any other person;
	 
	 	 
	
 

	 	
 

	 	f. has been informed that there is no present market for
Buffalo Ridge’s membership units, that the membership
units will not trade on an exchange or automatic
quotation system,

4

 

	 	 	 	 	 
	 

	 	 	 	that no such market is expected to develop in the future and that there are
significant restrictions on the transferability of the membership units;
	 
	 	 
	
 

	 	
 

	 	g. has been encouraged to seek the advice of
his legal counsel and accountants or other
financial advisers with respect to
investor-specific tax and/or other
considerations relating to the purchase and
ownership of units;
	 
	 	 
	
 

	 	
 

	 	h. has received a copy of the Buffalo Ridge
amended and restated operating
agreement, dated January 23, 2007, and
understands that upon closing the escrow by
Buffalo Ridge, the subscriber and the
membership units will be bound by the
provisions of the amended and restated
operating agreement which contains,
among other things, provisions that restrict
the transfer of membership units;
	 
	 	 
	
 

	 	
 

	 	i. has been informed that the units are subject
to substantial restrictions on transfer
under certain tax and securities laws along
with restrictions in the Buffalo Ridge
amended and restated operating
agreement, and agrees that if the membership
units or any part thereof are sold or
distributed in the future, the subscriber
shall sell or distribute them pursuant to
the terms of the amended and restated operating agreement, and the requirements of
the Securities Act of 1933, as amended, and
applicable tax and securities laws;
	 
	 	 
	
 

	 	
 

	 	j. meets the suitability test marked in Item
E.5 above and is capable of bearing the
economic risk of this investment, including
the possible total loss of the investment;
	 
	 	 
	
 

	 	
 

	 	k. has been informed that Buffalo Ridge will
place a restrictive legend on any
certificate representing any unit containing
substantially the following language as the
same may be amended by the Managers of
Buffalo Ridge in their sole discretion:

THE TRANSFERABILITY OF THE COMPANY UNITS REPRESENTED BY THIS
DOCUMENT IS RESTRICTED. SUCH UNITS MAY NOT BE SOLD, ASSIGNED, OR
TRANSFERRED, NOR WILL ANY ASSIGNEE, VENDEE, TRANSFEREE, OR
ENDORSEE THEREOF BE RECOGNIZED AS HAVING ACQUIRED ANY SUCH UNITS
FOR ANY PURPOSES, UNLESS AND TO THE EXTENT SUCH SALE, TRANSFER,
HYPOTHECATION, OR ASSIGNMENT IS PERMITTED BY, AND IS COMPLETED IN
STRICT ACCORDANCE WITH, THE TERMS AND CONDITIONS SET FORTH IN THE
AMENDED AND RESTATED OPERATING AGREEMENT AND AGREED TO BY
EACH MEMBER.

THE UNITS REPRESENTED BY THIS CERTIFICATE MAY NOT BE SOLD, OFFERED
FOR SALE, OR TRANSFERRED IN ABSENCE OF AN EFFECTIVE REGISTRATION
UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND UNDER APPLICABLE
STATE SECURITIES LAWS.

	 	 	 	 	 
	
 

	 	
 

	 	l. has been informed that, to enforce the above legend, Buffalo Ridge may place a stop
transfer order with its registrar and stock transfer agent (if any) covering all
certificates representing any of the membership units;
	 
	 	 
	
 

	 	
 

	 	m. may not transfer or assign this Subscription Agreement, or any of the subscriber’s
interest herein without the prior written consent of Buffalo Ridge;
	 
	 	 
	
 

	 	
 

	 	n. has written his, her, or its correct taxpayer identification number under Item E.2
on this Subscription Agreement;
	 
	 	 
	
 

	 	
 

	 	o. is not subject to back up withholding either because he, she or it has not been
notified by the Internal Revenue Service (“IRS”) that he, she or it is subject to
backup withholding as a result of a failure to report all interest or dividends, or
the IRS has notified him, her or it that he is no longer subject to backup withholding
(Note this clause (p) should be crossed out if the backup withholding box in Item E.2
is checked);
	 
	 	 
	
 

	 	
 

	 	p. has been informed that execution of the attached Promissory Note and Security
Agreement will allow Buffalo Ridge or its assigns to pursue the obligor for payment of
the amount due thereon by any legal means, including, but not limited to, acquisition
of a judgment against the obligor in the event that the subscriber defaults on that
Promissory Note and Security Agreement; and
	 
	 	 
	
 

	 	
 

	 	q. acknowledges that Buffalo Ridge may retain possession of certificates representing
subscriber’s units to perfect its security interest in those units.

5

 

Signature of Subscriber/Joint Subscriber:

	 	 	 	 	 	 	 
	Date:
	 	 	 	 	 	 
	 

	 	 

	 	 	 	 
	Individuals:	 	 	 	Entities:
	 
	 	 	 	 	 	 
	 	 	 	 	 
	Name of Individual Subscriber (Please Print)	 	 	 	Name of Entity (Please Print)
	 
	 	 	 	 	 	 
	 	 	 	 	 
	Signature of Individual	 	 	 	Print Name and Title of Officer
	 
	 	 	 	 	 	 
	 	 	 	 	 
	Name of Joint Individual Subscriber (Please Print)	 	 	 	Signature of Officer
	 
	 	 	 	 	 	 
	 	 	 	 	 
	Signature of Joint Individual Subscriber	 	 	 	 

ACCEPTANCE OF SUBSCRIPTION BY BUFFALO RIDGE ENERGY, LLC:

Buffalo Ridge Energy, LLC hereby accepts Subscriber’s subscription for                      units.

Dated this                      day of                                         , 200    
                .

BUFFALO RIDGE ENERGY, LLC

	 	 	 	 	 
	By:
	 	 	 	 
	 

	 	 

	 	 
	 
	 	 	 	 
	Its:
	 	 	 	 
	 

	 	 

	 	 

6

 

PROMISSORY NOTE AND SECURITY AGREEMENT

     Date of Subscription Agreement:                                         , 200___.

$1,000 per Unit

Minimum Investment of 10 Units ($10,000); Units Sold in 1 Unit Increments Thereafter ($1,000 each)

	 	 	 
	 

	 	Number of Units Subscribed
	 

	 	 
	 
	 	 
	 

	 	Total Purchase Price ($1,000 per unit multiplied by number of units subscribed) 
	 
	 	 
	(                      )
 

	 	Less Initial Payment (10% of Principal Amount) 
	 
	 	 
	 
	 	 
	 

	 	Principal Balance 

FOR VALUE RECEIVED, the undersigned hereby promises to pay to the order of Buffalo Ridge Energy,
LLC, a South Dakota limited liability company (“Buffalo Ridge”), at its principal office located at
304 Splitrock Blvd, Suite 205, Brandon, South Dakota 57005, or at such other place as required by
Buffalo Ridge, the Principal Balance set forth above in one lump sum to be paid without interest
within 20 days following the call of the Buffalo Ridge Board of Managers, as described in the
Subscription Agreement. In the event the undersigned fails to timely make any payment owed, the
entire balance of any amounts due under this full recourse Promissory Note and Security Agreement
shall be immediately due and payable in full with interest at the rate of 12% per annum from the
due date and any amounts previously paid in relation to the obligation evidenced by this Promissory
Note and Security Agreement may be forfeited at the discretion of Buffalo Ridge.

The undersigned agrees to pay to Buffalo Ridge on demand, all costs and expenses incurred to
collect any indebtedness evidenced by this Promissory Note and Security Agreement, including,
without limitation, reasonable attorneys’ fees. This Promissory Note and Security Agreement may
not be modified orally and shall in all respects be governed by, construed, and enforced in
accordance with the laws of the State of South Dakota.

The provisions of this Promissory Note and Security Agreement shall inure to the benefit of Buffalo
Ridge and its successors and assigns, which expressly reserves the right to pursue the undersigned
for payment of the amount due thereon by any legal means in the event that the undersigned defaults
on obligations provided in this Promissory Note and Security Agreement.

The undersigned waives presentment, demand for payment, notice of dishonor, notice of protest, and
all other notices or demands in connection with the delivery, acceptance, performance or default of
this Promissory Note and Security Agreement.

The undersigned grants to Buffalo Ridge, and its successors and assigns (“Secured Party”), a
purchase money security interest in all of the undersigned’s membership units of Buffalo Ridge now
owned or hereafter acquired. This security interest is granted as non-exclusive collateral to
secure payment and performance on the obligation owed Secured Party from the undersigned evidenced
by this Promissory Note and Security Agreement. The undersigned further authorizes Secured Party to
retain possession of certificates representing such membership units and to take any other actions
necessary to perfect the security interest granted herein.

Dated:                      , 200___.

	 	 	 	 	 	 	 	 	 	 	 
	OBLIGOR/DEBTOR:	 	 	 	JOINT OBLIGOR/DEBTOR:	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	Printed or Typed Name of Obligor	 	 	 	Printed or Typed Name of Joint Obligor	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	By:

	 	 	 	 	 	By:	 	 	 	 
	 

	 	 

(Signature)
	 	 
	 	 	 	 

(Signature)
	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	Officer Title if Obligor is an Entity	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 
	 	 
	 	 	 	 	 	 	 	 	 
	Address of Obligor	 	 	 	 	 	 	 	 

7

 

Exhibit A

MEMBER SIGNATURE PAGE

ADDENDUM TO THE

AMENDED AND RESTATED OPERATING AGREEMENT

OF BUFFALO RIDGE ENERGY, LLC

     The undersigned does hereby warrant, represent, covenant and agree that: (i) the undersigned,
as a condition to becoming a Member in Buffalo Ridge Energy, LLC, has received a copy of the
amended and restated operating agreement dated January 23,
2007, and, if applicable, all
amendments and modifications thereto; (ii) the undersigned shall be subject to and comply with all
terms and conditions of such amended and restated operating agreement in all respects, as if
the undersigned had executed said amended and restated operating agreement on the original
date thereof; and (iii) the undersigned is and shall be bound by all of the provisions of said
amended and restated operating agreement from and after the date of execution of this
Addendum.

	 	 	 	 	 	 	 
	Individuals:

	 	 	 	Entities:	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	 

Name of Individual Member (Please Print)

	 	 
	 	 

Name of Entity (Please Print)
	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	 

Signature of Individual

	 	 
	 	 

Print Name and Title of Officer
	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	 

Name of Joint Individual Member (Please Print)

	 	 
	 	 

Signature of Officer
	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	 

Signature of Joint Individual Member

	 	 	 	 	 	 

Agreed
to and accepted on behalf of the

Company and its Members:

BUFFALO RIDGE ENERGY, LLC

	 	 	 	 	 
	By:
	 	 	 	 
	 

	 	 

	 	 
	 
	 	 	 	 
	Its:
	 	 	 	 
	 

	 	 

	 	 

8

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