Buffalo Ridge Energy, LLC Watch

from SB-2 3 pages Amendment Number Two to Letter of Intent (“Loi”) Dated July 21, 2006 and Amendment Number One Dated August 21, 2006 (“Amendment Number One”) by and Between Fagen, Inc. (“Fagen”) and Buffalo Ridge Energy, LLC

from SB-2 7 pages Consulting Agreement

from SB-2 5 pages January 2, 2007 Mr. Greg Van Zenten Buffalo Ridge Energy 304 Splitrock Blvd., Suite 205 Brandon, Sd 57005 Re: Request for Professional Engineering Services – Buffalo Ridge Energy Final Design/Construction Documents – Sherman, Sd Dear Mr. Van Zenten

from SB-2 3 pages Steffl Drilling & Pump Inc. 7-Day 24-Hour Service

from SB-2 8 pages Option to Purchase Real Estate

from SB-2 8 pages Option to Purchase Real Estate

from SB-2 9 pages Option to Purchase Real Estate

from SB-2 7 pages Energy Management Agreement

from SB-2 3 pages September 6, 2006 Mr. Kevin Stroup Stoneberg, Giles and Stroup, Pa 300 O’connell Street Marshall, Minnesota 56258-2638 Re: Contract Amendment Buffalo Ridge Ethanol Plant Lester, Iowa Dear Mr. Stroup

from SB-2 9 pages Option to Purchase Real Estate

from SB-2 7 pages Option to Purchase Real Estate

from SB-2 8 pages Option to Purchase Real Estate

from SB-2 6 pages Service Agreement Between Rtp Environmental Associates, Inc. and Buffalo Ridge Energy, LLC

from SB-2 2 pages Amendment Number One to Letter of Intent (“Loi”) Dated July 21, 2006 by and Between Fagen, Inc. (“Fagen”) and Buffalo Ridge Energy, LLC

from SB-2 19 pages Please Note That This Proposal Is Being Prepared Without the Benefit of Site Location and Plant Layout Information. Therefore, We Have Made Some Assumptions Based on Our Experience With Similar Plants and Our Experience With Fagen. After the Site Is Chosen and the Plant Layout Is Known, the Plant Layout on the Chosen Site Should Be Provided to Terracon Prior to Starting Our Services. at That Time, We Will Be Happy to Review Our Scope of Services Outlined Below, and Recommend Any Adjustments A. Project Information We Understand the Project Will Include Constructing New Facilities Associated With a 50mgpy Ethanol Production Facility. the Site Has Not Been Chosen Yet, but We Understand a Site in Either Northwestern Iowa or Southwestern Minnesota Is Planned. Plant Layout Is Not Available at the Time of This Proposal. Typical Major Plant Structures Include Entry and Access Roads, Additional Railroad Spur Lines, Storage Silos, Process Building, Energy Center, Beer Well / Fermentation / Storage Tanks, Cooling Tower, and Storage Slabs. the Extent of Site Grading Is Also Not Available at This Time. It Is Our Experience That the Main Portion of the Plant Is Established at the Same Elevation as the Adjacent Rail. Proposed Ethanol Production Facility Northwestern Iowa Proposal No. 2706163 July 24, 2006 Terracon

from SB-2 5 pages July 10, 2006 Kevin Stroup Buffalo Ridge Energy LLC Re: Proposal for Services Dear Kevin

from SB-2 4 pages July 20, 2006 Buffalo Ridge Ethanol C/O Matt Sederstrom Fagen Inc. 501 W. Hwy 212, Po Box 159 Granite Falls, Minnesota 56241 Re: Ethanol Plant Design Survey Buffalo Ridge Ethanol Dear Matt: Thank You for the Opportunity to Submit This Proposal for Design Survey Services for the Above Ethanol Plant Project. It Is Our Understanding That the Exact Location for the Plant Has Not Yet Been Determined. However, It Is to Be Located in Either Northwest Iowa or Southwest Minnesota. It Is Further Understood That the Total Land Parcels Involved Is Not Exactly Known at This Time

from SB-2 4 pages Buffalo Ridge Energy LLC Risk Management Agreement for Grain Procurement and Byproduct Marketing This Document Is to Define the Agreement by Which John Stewart & Associates, an Introducing Broker for Iowa Grain Company, Will Provide Risk Management Services to Buffalo Ridge Energy LLC John Stewart and Associates Will Further Be Referred to as JS&A

from SB-2 19 pages June 29, 2006 Mr. Matt Sederstrom Marketing and Project and Development Fagen, Inc. 501 W. Hwy. 212 Granite, Falls, Mn 56241 Re: Request for Professional Engineering Services Ethanol Facility Site — Conceptual Railway Service Plan Dear Mr. Sederstrom

from SB-2 16 pages The Parties Agree to Effect the Transaction Subject Only to the Execution and Delivery (In Each Case in a Form Satisfactory to Fagen) of a Definitive Design-Build Agreement and Other Ancillary Instruments and Agreements (The “Transaction Documents”). the Transaction Documents Will Be Executed and Delivered by the Parties Thereto No Later Than December 31, 2008 (The “Closing Date”); Provided That the Transaction Documents May, if Agreed to by the Parties, Provide for Extensions Necessary to Secure Any Consents and Approvals of Persons (Other Than Affiliates of the Parties) on Terms Reasonable to the Parties. 1. the Transaction. the Parties Agree That the Transaction Will Consist of the Following