SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, July 3, 2007                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION ALLOWANCES)                        :
     :          :                                                                            :
All  :    16,494:     3,721      1,772        212     12,084     14,044     16,017     16,028:       477        466
Old  :    16,494:     3,721      1,772        212     12,084     14,044     16,017     16,028:       477        466
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: June 26, 2007                        :
     :      -396:       499         -9         25     -1,122       -509       -598       -493:       202         97
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      22.6       10.7        1.3       73.3       85.1       97.1       97.2:       2.9        2.8
Old  :     100.0:      22.6       10.7        1.3       73.3       85.1       97.1       97.2:       2.9        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  :        26:        11          5          4          9         10         21         18:
Old  :        26:        11          5          4          9         10         21         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  :                 77.7       79.7       88.3       90.0       48.9       49.3       54.3       56.6
Old  :                 77.7       79.7       88.3       90.0       48.9       49.3       54.3       56.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated July 9, 2007