SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, November 27, 2007               
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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  :    25,394:     8,416      4,235      3,689     13,129     17,445     25,235     25,368:       160         26
Old  :    25,394:     8,416      4,235      3,689     13,129     17,445     25,235     25,368:       160         26
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: November 20, 2007                    :
     :     1,819:       348        319      1,113        215        392      1,677      1,825:       143         -5
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      33.1       16.7       14.5       51.7       68.7       99.4       99.9:       0.6        0.1
Old  :     100.0:      33.1       16.7       14.5       51.7       68.7       99.4       99.9:       0.6        0.1
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  :        35:        12          9         14         11         12         31         29:
Old  :        35:        12          9         14         11         12         31         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  :                 52.1       63.3       75.4       79.2       31.7       28.7       42.9       37.9
Old  :                 52.1       63.3       75.4       79.2       31.7       28.7       42.9       37.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated November 30, 2007