SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, January 8, 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  :    14,348:     4,052      2,711      1,905      8,123      9,669     14,081     14,285:       268         63
Old  :    14,348:     4,052      2,711      1,905      8,123      9,669     14,081     14,285:       268         63
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 31, 2007                    :
     :     1,002:       134      1,237         10      1,239        317      1,383      1,564:      -381       -562
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      28.2       18.9       13.3       56.6       67.4       98.1       99.6:       1.9        0.4
Old  :     100.0:      28.2       18.9       13.3       56.6       67.4       98.1       99.6:       1.9        0.4
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  :        31:         9         10         14         10         10         26         28:
Old  :        31:         9         10         14         10         10         26         28:
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  :                 55.3       65.7       85.4       81.2       36.3       27.0       40.8       38.8
Old  :                 55.3       65.7       85.4       81.2       36.3       27.0       40.8       38.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated January 11, 2008