**Exhibit 31.1**

 

**CERTIFICATIONPURSUANT TO 17 CFR 240.13a-14(a)**

**(SECTION 302CERTIFICATION)**

 

I,J. F. Robertson, certify that:

 

1.                                       I have reviewed this quarterly report on Form 10-Qof United Wisconsin Grain Producers, LLC;

 

2.                                     Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.                                     Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the registrant, as of, and for, the periods presented in thisreport;

 

4.                                     The registrant’s other certifying officersand I are responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and15d-15(f)) for the registrant and have:

 

a)              Designed such disclosure controls andprocedures or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisreport is being prepared;

 

b)             Designed such internal control over financialreporting, or caused such internal control over financial reporting to bedesigned under our supervision, to provide reasonable assurance regarding thereliability of financial reporting and the preparation of financial statements forexternal purposes in accordance with generally accepted accounting principles;

 

c)              Evaluated the effectiveness of the registrant’sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and

 

d)             Disclosedin this report any changes in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter thathas materially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting.

 

5.                                     The registrant’s other certifying officersand I have disclosed, based on our most recent evaluation of internal controlover financial reporting, to the registrant’s auditors and the audit committeeof the registrant’s board of directors (or persons performing the equivalentfunctions):

 

a)                All significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect the registrant’sability to record, process, summarize and report financial information; and

 

b)               Any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant’s internal control over financial reporting.

 

 
| Date:  |    August 14, 2008 |                                     |    /s/ J. F. Robertson |
|--------|-----------------------------------|------------------------------------------|----------------------------------|
|   |                              | J.  F. Robertson,Chief Executive Officer |

 

----