SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, January 29, 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                                    :
     :          :                                                                            :
All  :    13,092:     6,329      1,644        244      5,997     11,169     12,570     13,057:       522         35
Old  :    13,092:     6,329      1,644        244      5,997     11,169     12,570     13,057:       522         35
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: January 22, 2008                     :
     :       691:       263        -83        -11        -37        776        215        682:       476          9
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      48.3       12.6        1.9       45.8       85.3       96.0       99.7:       4.0        0.3
Old  :     100.0:      48.3       12.6        1.9       45.8       85.3       96.0       99.7:       4.0        0.3
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  :        29:         8          9          6         11         11         21         24:
Old  :        29:         8          9          6         11         11         21         24:
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  :                 54.5       68.6       81.8       81.8       49.0       54.2       62.0       63.4
Old  :                 54.5       68.6       81.8       81.8       49.0       54.2       62.0       63.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated February 1, 2008