CERTIFICATION PURSUANT TO 17 CFR 240.13(a)-14(a)
(SECTION 302 CERTIFICATION)
  1.
    
    I have reviewed this quarterly report on Form 10-Q of Siouxland Ethanol, LLC;2.
    
    Based on my knowledge, this report does not contain any untrue statement of a material fact
or omit to state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect to the period
covered by this report;3.
    
    Based on my knowledge, the financial statements, and other financial information included in
this report, fairly present in all material respects the financial condition, results of
operations and cash flows of Siouxland Ethanol, LLC, as of, and for, the periods presented in
this report;4.
    
    Siouxland Ethanol, LLCs other certifying officers and I are responsible for establishing and
maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) and internal controls over financial reporting (as defined in Exchange Act Rules
13a-15(f) and 15d-15(f)) for Siouxland Ethanol, LLC, and have:
 a)
    
    Designed such disclosure controls and procedures or caused such disclosure
controls and procedures to be designed under our supervision, to ensure that material
information relating to Siouxland Ethanol, LLC is made known to us by others within
those entities, particularly during the period in which this report is being prepared;b)
    
    Designed such internal control over financial reporting, or caused internal
control over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with generally
accepted accounting principals;c)
    
    Evaluated the effectiveness of Siouxland Ethanol, LLCs disclosure controls and
procedures and presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the period covered by this report
based on such evaluation; andd)
    
    Disclosed in this report any changes in Siouxland Ethanol, LLCs internal
control over financial reporting that occurred during Siouxland Ethanol, LLCs most
recent fiscal quarter (the registrants fourth fiscal quarter in the case of an annual
report) that has materially affected, or is reasonably likely to materially affect,
Siouxland Ethanol, LLCs internal control over financial reporting.
 5.
    
    Siouxland Ethanol, LLCs other certifying officers and I have disclosed, based on our most
recent evaluation of internal control over financial reporting, to Siouxland Ethanol, LLCs
auditors and the audit committee of Siouxland Ethanol, LLCs board of directors (or persons
performing the equivalent functions):
 a)
    
    All significant deficiencies and material weaknesses in the design or operation
of internal control over financial reporting which are reasonably likely to adversely
affect Siouxland Ethanol, LLCs ability to record, process, summarize and report
financial information; andb)
    
    Any fraud, whether or not material, that involves management or other employees
who have a significant role in Siouxland Ethanol, LLCs internal controls over
financial reporting.
 Date: August 14, 2009
    /s/ Mark RolfesMark Rolfes, Treasurer and Chief FinancialOfficer (Principal Financial Officer)