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Partnership Registration Statement Commission Securities Act
 (1)
    
    common units representing limited partner interests in the Partnership (the
Common Units);(2)
    
    debt securities, which may be co-issued by Calumet Finance Corp., a Delaware
corporation (Calumet Finance), in one or more series, consisting of notes,
debentures or other evidences of indebtedness (the Debt Securities); and(3)
    
    guarantees (the Guarantees) of the Debt Securities by certain
subsidiaries of the Partnership listed in the Registration Statement as guarantors (the
Guarantors).
 Prospectus
 Senior Indenture Subordinated Indenture Indentures Partnership
Agreement Certificate




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August 23, 2007     Page 2
 
   (i)
    
    the Registration Statement, and any amendments thereto (including
post-effective amendments), will have become effective;(ii)
    
    a Prospectus Supplement will have been prepared and filed with the Commission
describing the Securities offered thereby;(iii)
    
    all Securities will be issued and sold in compliance with applicable federal
and state securities laws and in the manner stated in the Registration Statement and
the appropriate Prospectus Supplement; and(iv)
    
    a definitive purchase, underwriting or similar agreement with respect to any
Securities offered will have been duly authorized and validly executed and delivered by
the Partnership and the other parties thereto.
  (1)
    
    With respect to the Common Units, when (i) the Partnership has taken all
necessary action to approve the issuance of such Common Units, the terms of the
offering thereof and related matters and (ii) the Common Units have been issued and
delivered in accordance with the terms of the applicable definitive purchase,
underwriting or similar agreement approved by the Partnership upon payment of the
consideration thereof or provided for therein, then the Common Units will be validly
issued, fully paid and non-assessable.(2)
    
    With respect to the Debt Securities and the Guarantees, when (i) the Indentures
have been duly qualified under the Trust Indenture Act of 1939, as amended; (ii) the
Partnership, Calumet Finance and the Subsidiary Guarantors, as applicable, have taken
all necessary action to approve the issuance and terms of such Debt Securities and
Guarantees, the terms of the offering thereof and related matters; and (iii) such Debt
Securities and Guarantees have been duly executed, authenticated, issued and delivered
in accordance with the provisions of the applicable Indenture and the applicable
definitive purchase, underwriting or similar agreement approved by the Partnership,
Calumet Finance and the Subsidiary Guarantors, as applicable, upon payment of the
consideration thereof or provided for therein, such Debt Securities and Guarantees will
be legally issued and will constitute valid and legally binding obligations of the
Partnership, Calumet Finance and the Subsidiary Guarantors, as applicable, enforceable
against the Partnership, Calumet Finance and the Subsidiary Guarantors, as applicable,
in accordance with their terms, except as such enforcement may be subject to any
applicable bankruptcy, insolvency, reorganization, fraudulent conveyance or other
law relating to or affecting creditors rights generally and general principles of equity.




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August 23, 2007     Page 3
 
  (1)
    
    We have assumed, without independent verification, that the certificates for
the Common Units will conform to the specimens thereof examined by us and will have
been duly countersigned by a transfer agent and duly registered by a registrar of the
Common Units.(2)
    
    We have assumed that (i) each document submitted to us for review is accurate
and complete, each such document that is an original is authentic, each such document
that is a copy conforms to an authentic original and all signatures on each such
document are genuine and (ii) each certificate from governmental officials reviewed by
us is accurate, complete and authentic, and all official public records are accurate
and complete.(3)
    
    We express no opinions concerning (i) the validity or enforceability of any
provisions contained in the Indentures that purport to waive or not give effect to the
rights to notices, defenses, subrogation or other rights or benefits that cannot be
effectively waived under applicable law; or (ii) the enforceability of indemnification
provisions to the extent they purport to relate to liabilities resulting from or based
upon negligence or any violation of federal or state securities or blue sky laws.(4)
    
    This opinion is limited in all respects to the federal laws of the United
States of America, the Delaware Revised Uniform Limited Partnership Act, the Delaware
General Corporation Law, the Constitution of the State of Delaware, as interpreted by
the courts of the State of Delaware, and the laws of the State of New York.