SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, January 15, 2008                
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     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
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     :          : (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION ALLOWANCES)                        :
     :          :                                                                            :
All  :    18,115:     4,132      1,852      3,249     10,313     12,481     17,693     17,582:       422        533
Old  :    18,115:     4,132      1,852      3,249     10,313     12,481     17,693     17,582:       422        533
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: January 8, 2008                      :
     :     3,766:        79       -860      1,344      2,189      2,812      3,613      3,296:       154        470
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      22.8       10.2       17.9       56.9       68.9       97.7       97.1:       2.3        2.9
Old  :     100.0:      22.8       10.2       17.9       56.9       68.9       97.7       97.1:       2.3        2.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        34:        13         10         14         10         10         28         29:
Old  :        34:        13         10         14         10         10         28         29:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 57.3       66.6       84.6       78.4       26.8       21.8       33.7       30.4
Old  :                 57.3       66.6       84.6       78.4       26.8       21.8       33.7       30.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated January 18, 2008