This Note was originally issued on September 30, 2010, and has not been
registered under the Securities Act of 1933, as amended, or any state securities
act, and may not be sold or transferred in the absence of such registration or
qualification or an exemption therefrom under the securities act or any such
state securities laws that may be applicable.
 
PROMISSORY NOTE
 
$1,500,000
September 30, 2010    

FOR VALUE RECEIVED, the undersigned, jointly and severally, (the “Makers”)
promise to pay to the order of Superior Materials Holding, LLC (“Payee”), the
principal sum of One Million, Five Hundred Thousand ($1,500,000) Dollars as
follows:
 
1.           On or before January 1, 2011 - $750,000.
 
2.           On or before January 1, 2012 - $750,000.
 
3.           The interest on the principal sum shall be equal to 0%.
 
This Note may be prepaid, in whole or in part, without premium, penalty or
additional interest.  Any costs, expenses or legal fees incurred by Payee in
collecting amounts payable under this Note to which Payee is entitled shall be
paid by the Makers.
 
This Note shall be governed by, and construed in accordance with, the laws of
the State of Michigan.  The state courts in Oakland County, Michigan and the
Federal Court in Wayne County, Michigan shall be the sole and exclusive forums
for the resolution of any disputes arising from this Note, and the parties to
this Note hereby submit to the personal jurisdiction and process of these
courts.
 
This note may not be transferred or assigned by Payee without the Makers’ prior
written consent.
 
(Signatures on next page)
 
[Signature Page to Joinder Agreement (Redemption Agreement)]

 
 

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Kurtz Gravel Company,
a Michigan corporation

By:
  /s/ Michael W. Harlan
       
Its:
  Vice President
       
Dated: 
  9/30/2010
 

Superior Holdings, Inc.,
f/k/a Superior Redi-Mix, Inc.,
a Michigan corporation

By:
  /s/ Michael W. Harlan
       
Its:
  Vice President
       
Dated: 
  9/30/2010
 

BWB, Inc. of Michigan,
a Delaware corporation

By:
  /s/ Curt M. Lindeman
       
Its:
  Vice President
       
Dated: 
  9/30/2010
 

Builders’ Redi-Mix, LLC,
a Delaware limited liability company

By:
  /s/ Curt M. Lindeman
       
Its:
  Vice President
       
Dated: 
  9/30/2010
 

U.S. Concrete, Inc.
a Delaware corporation

By:
  /s/ Curt M. Lindeman
       
Its:
  Vice President
       
Dated: 
  9/30/2010
 

 
 

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USC Michigan, Inc.,
a Delaware corporation

By:
  /s/ Michael W. Harlan
       
Its:
  Vice President
       
Dated: 
  9/30/2010
 

[Signature Page to Promissory Note]

 
 

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