SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, February 19, 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  :    30,732:     8,309      4,131      4,672     17,386     21,783     30,367     30,585:       365        147
Old  :    30,732:     8,309      4,131      4,672     17,386     21,783     30,367     30,585:       365        147
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 12, 2008                    :
     :     2,944:       115       -447        840      1,909      2,592      2,864      2,985:        81        -41
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      27.0       13.4       15.2       56.6       70.9       98.8       99.5:       1.2        0.5
Old  :     100.0:      27.0       13.4       15.2       56.6       70.9       98.8       99.5:       1.2        0.5
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:        11          8         11         12         12         26         28:
Old  :        31:        11          8         11         12         12         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  :                 59.5       72.9       80.8       84.6       27.4       26.3       32.3       31.4
Old  :                 59.5       72.9       80.8       84.6       27.4       26.3       32.3       31.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated February 22, 2008