Southern Iowa Bioenergy LLC Watch

from 10QSB 3 pages Promise to Pay. Southern Iowa Bioenergy LLC ("Borrower”) Promises to Pay to Great Western Bank ("Lender"), or Order, in Lawful Money of the United States of America, the Principal Amount of Thirty Thousand & 00/100 Dollars ($30,000.00), Together With Interest on the Unpaid Principal Balance From August 20, 2008, Calculated as Described in the "Interest Calculation Method" Paragraph Using an Interest Rate of 8.740% Per Annum Based on a Year of 360 Days, Until Paid in Full. the Interest Rate May Change Under the Terms and Conditions of the "Interest After Default” Section

from S-1/A ~5 pages Change in Terms Agreement

from S-1/A 2 pages Extension Agreement

from POS AM ~5 pages Change in Terms Agreement

from POS AM ~5 pages Extension Agreement

from 10KSB 9 pages December 7, 2007 Team Approach as the Epc Contractor for Your Project, Ball Industrial Services Will Act as the Prime Contractor to Sibe and Will Directly Manage Other Key Prime Contractors. Ball Industrial Services Will Utilize Existing Sibe Relationships With Key Subs for the Project. Ball Industrial Services the Services to Be Provided by Ball in Connection With the Facility Shall Include, but Are Not Limited To, the Following: A) Preparation of a Proposed Guaranteed Maximum Price Agreement (Gmax Agreement) for the Design, Construction and Start-Up of the Facility, Including a Preliminary Schedule. B) Design, Construct and Startup the Facility in Accordance With the Gmax Agreement. C) All Other Items Agreed to in the Gmax Agreement

from POS AM 5 pages Memorandum of Understanding Southern Iowa Bioenergy, LLC and Safer Energy, LLC

from SB-2/A 5 pages Memorandum of Understanding Southern Iowa Bioenergy, LLC and Safer Energy, LLC

from 10QSB ~5 pages Material contract

from 10QSB ~5 pages Change in Terms Agreement

from 10QSB 4 pages Engagement Agreement

from POS AM 10 pages Bio-Diesel Marketing Agreement

from POS AM 17 pages Risk Management and Feedstock Agency Agreement

from POS AM 9 pages Industrial Services, LLC May 17, 2007 Team Approach as the Epc Contractor for Your Project, Ball Industrial Services Will Act as the Prime Contractor to Sibe and Will Directly Manage Other Key Prime Contractors. Ball Industrial Services Will Utilize Existing Sibe Relationships With Key Subs for the Project. Ball Industrial Services the Services to Be Provided by Ball in Connection With the Facility Shall Include, but Are Not Limited To, the Following: A) Preparation of a Proposed Guaranteed Maximum Price Agreement (Gmax Agreement) for the Design, Construction and Start-Up of the Facility, Including a Preliminary Schedule. B) Design, Construct and Startup the Facility in Accordance With the Gmax Agreement. C) All Other Items Agreed to in the Gmax Agreement

from SB-2 10 pages Bio-Diesel Marketing Agreement

from SB-2 17 pages Risk Management and Feedstock Agency Agreement

from POS AM 4 pages May 9, 2007 Mr. Bill Higdon Southern Iowa Bioenergy 115 S. Linden Street Lamoni, Iowa 50140 Subject: Proposal to Provide Professional Services Bio-Diesel Plant Construction - Environmental Permitting Assistance · Obtain Required Environmental Pre-Construction Permits for the Proposed Facility. the Anticipated Permits Include: · Air Quality Permits - Tec Has Assumed That Prevention of Significant Deterioration (Psd) Regulations Will Not Apply. We Anticipate That Nsps Requirements Associated With Boilers, Tanks, and Equipment Leaks Will Apply

from SB-2 9 pages May 17, 2007 Team Approach as the Epc Contractor for Your Project, Ball Industrial Services Will Act as the Prime Contractor to Sibe and Will Directly Manage Other Key Prime Contractors. Ball Industrial Services Will Utilize Existing Sibe Relationships With Key Subs for the Project. Ball Industrial Services the Services to Be Provided by Ball in Connection With the Facility Shall Include, but Are Not Limited To, the Following: A) Preparation of a Proposed Guaranteed Maximum Price Agreement (Gmax Agreement) for the Design, Construction and Start-Up of the Facility, Including a Preliminary Schedule. B) Design, Construct and Startup the Facility in Accordance With the Gmax Agreement. C) All Other Items Agreed to in the Gmax Agreement

from SB-2 4 pages May 9, 2007 Mr. Bill Higdon Southern Iowa Bioenergy 115 S. Linden Street Lamoni, Iowa 50140 Subject: Proposal to Provide Professional Services Bio-Diesel Plant Construction - Environmental Permitting Assistance · Obtain Required Environmental Pre-Construction Permits for the Proposed Facility. the Anticipated Permits Include: · Air Quality Permits - Tec Has Assumed That Prevention of Significant Deterioration (Psd) Regulations Will Not Apply. We Anticipate That Nsps Requirements Associated With Boilers, Tanks, and Equipment Leaks Will Apply

from SB-2 ~5 pages Change in Terms Agreement