**Exhibit 10.25**

**LOANAGREEMENT**

This AGREEMENT made and entered into this 6th day of March, 2007, by and between the **BROOKINGS COUNTY REGIONAL RAILROAD AUTHORITY**,duly executed to do business in the State of South Dakota, hereinafter called “AUTHORITY”,and the **STATE OF SOUTH DAKOTA**, abody politic, by and through its South Dakota State Railroad Board, hereinaftercalled “STATE”, and **SOUTH DAKOTA SOYBEANPROCESSORS LLC**, hereinafter called “INDUSTRY”.

RECITALS

WHEREAS, INDUSTRY is constructing an expansion and rehabilitation oftheir industrial siding at Volga, South Dakota, and

WHEREAS, project will include the construction of 3,300 feet of newrail and installation of industrial turnouts to allow 100 car unit trains toprovide for new and expanded market access; and

NOW, THEREFORE, AUTHORITY, STATE and INDUSTRY do hereby mutually agreeas follows:

1.                                       STATE agrees to loan **One Million Eight Hundred Ten Thousand Dollars ($1,810,000)**to AUTHORITY for the construction of the above trackage as shown on Exhibit 1, subjectto the terms and conditions hereinafter set forth:

a.                                       AUTHORITY agrees to pay back loan within ten(10) years, together with interest at the rate of **4.875%** per annum on the unpaid balance. Payments shall be made

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annually in accordance with the terms of the attached promissory notewith the first payment due **October 1, 2008.**TheAUTHORITY shall execute the attached promissory note in accordance with theforegoing provisions.

b.                                      Interest will be calculated based on the dateactual payment is received by the STATE. The AUTHORITY shall have full right ofprepayment.

c.                                       INDUSTRY agrees to guarantee AUTHORITY’s loanin Section 13 below.

2.                                       INDUSTRY will construct industrial siding toat least a FRA Class I Track Safety Standard.

3.                                       STATE, INDUSTRY, and Dakota, Minnesota andEastern Railroad Corporation shall conduct a joint inspection of the workperformed upon its completion.  STATEmust concur that all work has been satisfactorily accomplished.  Any decisions regarding the acceptability ofwork or materials performed under this AGREEMENT shall be referred to theProgram Manager, Office of Local Transportation Programs, South DakotaDepartment of Transportation.

4.                                       STATE may place an engineer and/or otherinspection personnel on the project work site, at STATE’s expense, to monitorwork activities.

5.                                       STATE may make progressive payment uponcompletion of 50 % of the construction of the industrial siding.

6.                                       STATE may withhold the remaining loanproceeds until such time as all work has been completed, inspected andapproved, including the corrections of any deficiencies noted by STATE duringits inspection.

7.                                       AUTHORITY shall keep detailed records,accounts, and supporting documents

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pertaining to all project costs to be paid with proceeds of the loanprovided for herein, and shall make the same available for audit by STATE uponreasonable advance notice.

8.                                     Any officers or employees of AUTHORITY,INDUSTRY or subcontractors shall not in any manner be deemed employees ofSTATE.

9.                                       All disputes which may arise as to thequality and acceptability of services; manner of performance; or rate ofprogress as to the completion of the AGREEMENT shall be decided by the ProgramManager, Office of Local Transportation Programs, South Dakota Department ofTransportation.

10.                                 This AGREEMENT shall be governed by andconstrued in accordance with the laws of the State of South Dakota.

11.                                 All notices, communications and paymentsunder this AGREEMENT shall be in wilting and sent by first-class mail, postageprepaid, as follows:

a.                                       If to the AUTHORITY, to the Brookings County RegionalRailroad Authority, 601 4th Street, Suite 101, Brookings, South Dakota 57006.

b.                                      If to the STATE, to the Program Manager,Office of Local Transportation Programs, South Dakota Department Transportation,700 East Broadway Avenue, Pierre, South Dakota 57501-2586.

c.                                       If to the INDUSTRY, to the South DakotaSoybean Processors LLC, P0 Box 500, Volga, South Dakota 57071-0500.

12.                                 This AGREEMENT may be amended only by writtenagreement between the

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contract parties.

13.                                 INDUSTRY hereby guarantees payment ofAUTHORITY’s loan, subject to any defenses available to AUTHORITY for thepayment of such loan.

14.                                 This AGREEMENT shall be governed by andconstrued in accordance with the laws of the State of South Dakota.

15.                                 INDUSTRY agrees to provide services incompliance with the Americans with Disabilities Act of 1990.

Theparties have executed this AGREEMENT.
| BROOKINGS COUNTY REGIONAL RAILROAD AUTHORITY  (LOANEE) |
|--------------------------------------------------------|
|                                                   |   |
|                                                   |   |
| BY                                                     | /s/ Donald  Larson |   |
|                                                   |
| SOUTH DAKOTA SOYBEAN PROCESSORS LLC (LOAN GUARANTOR)   |
|                                                   |
|                                                   |
| BY                                                     | /s/ Rodney Christianson |   |
|                                                   |   |   |
| SOUTH DAKOTA DEPARTMENT OP TRANSPORTATION              |
| DIVISION OF FINANCE AND MANAGEMENT (LOANER)            |
|                                                   |   |
|                                                   |   |
| BY                                                     |   |   |
|  Director,  Division of Finance and Management    |
|                                                   |
| SOUTH DAKOTA DEPARTMENT OF TRANSPORTATION              |
| Approved as to  form                                   |   |
|                                                   |   |
|                                                   |   |
| BY                                                     |   |   | By |   |   |
| Judith M. Payne, Secretary                             | Karla Engle |
|                                                   | Assistant Attorney General |
|                                                        |  |  |  |  |  |

 

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ACKNOWLEDGED
| STATE OF SOUTH DAKOTA) |
|------------------------|
|                   | :SS |
| COUNTY OF BROOKINGS    | ) |

 

On this 27th day ofFebruary, 2007, before me, a Notary Public within and for said County andState, personally appeared Don Larson, known to me to be the person whoexecuted the above document and acknowledged to me that he did sign theforegoing document for the purposes herein stated.
|        |                   |
|--------|------------------------|
|   | NOTARY PUBLIC          |
| (SEAL) | My Commission Expires: | March 8, 2012 |   |

 

ACKNOWLEDGED
| STATE OF SOUTH DAKOTA | )   |
|-----------------------|-----|
|                  | :SS |
| COUNTY OF BROOKINGS   | )   |

 

On this 6th day ofMarch, 2007 , before me, a Notary Public within and for said County and State,personally appeared Rodney Christianson, known to me to be the person whoexecuted the above document and acknowledged to me that he did sign theforegoing document for the purposes herein stated.
|        | /s/ Beverly Kleinjan   |
|--------|------------------------|
|   | NOTARY PUBLIC          |
| (SEAL) | My Commission Expires: | October 20, 2012 |   |

 

ACKNOWLEDGED
| STATE OF SOUTH DAKOTA) |
|------------------------|
|                   | :SS |
| COUNTY OF HUGHES       | ) |
|                        |  |  |

 

On this day of        day of                     ,20  , before me, a Notary Public within and for said County andState, personally appeared ROXANNE R. RICE, DIRECTOR, DIVISION OF FINANCE ANDMANAGEMENT, known to me to be the person who is described in and who executedthe within and foregoing instrument and acknowledged to me that he executed thesame freely.
|        |                   |
|--------|------------------------|
|   | NOTARY PUBLIC          |
| (SEAL) | My Commission Expires: |   |   |

 

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ACKNOWLEDGED
| STATE OF SOUTH DAKOTA) |
|------------------------|
|                   | :SS |
| COUNTY OF HUGHES       | ) |

 

On this     day of                  ,20  , before me, a Notary Public within and for said County andState, personally appeared JIJD1TH M. PAYNE, SECRETARY, SOUTH DAKOTA DEPARTMENTOF TRANSPORTATION, known to me to be the person who is described in and whoexecuted the within and foregoing instrument and acknowledged to me that heexecuted the same freely.
|        |                   |
|--------|------------------------|
|   | NOTARY PUBLIC          |
| (SEAL) | My Commission Expires: |   |   |

 

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