SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, June 26, 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  :    18,235:     3,195      1,903        218     14,536     15,730     17,949     17,851:       285        383
Old  :    18,235:     3,195      1,903        218     14,536     15,730     17,949     17,851:       285        383
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: June 19, 2007                        :
     :    -1,916:      -251       -170       -194     -1,329     -1,405     -1,774     -1,769:      -142       -147
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      17.5       10.4        1.2       79.7       86.3       98.4       97.9:       1.6        2.1
Old  :     100.0:      17.5       10.4        1.2       79.7       86.3       98.4       97.9:       1.6        2.1
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  :        28:        10          7          5         10         11         23         20:
Old  :        28:        10          7          5         10         11         23         20:
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  :                 83.7       77.5       93.0       89.7       46.3       42.2       49.8       47.9
Old  :                 83.7       77.5       93.0       89.7       46.3       42.2       49.8       47.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated June 29, 2007