SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, June 19, 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  :    18,677:     3,608      1,998        246     14,407     15,913     18,261     18,157:       416        520
Old  :    18,677:     3,608      1,998        246     14,407     15,913     18,261     18,157:       416        520
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: June 12, 2007                        :
     :     3,495:      -192      1,036       -351      3,851      2,599      3,308      3,284:       187        211
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      19.3       10.7        1.3       77.1       85.2       97.8       97.2:       2.2        2.8
Old  :     100.0:      19.3       10.7        1.3       77.1       85.2       97.8       97.2:       2.2        2.8
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:        12          6          3          9         10         22         18:
Old  :        29:        12          6          3          9         10         22         18:
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  :                 80.5       80.4       90.9       90.4       52.6       48.9       55.9       55.2
Old  :                 80.5       80.4       90.9       90.4       52.6       48.9       55.9       55.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated June 22, 2007