SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, September 23, 2008              
-------------------------------------------------------------------------------------------------------------------
     :   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                                    :
     :          :                                                                            :
All  :    29,391:    19,370      6,192      3,905      5,969     18,990     29,244     29,087:       147        304
Old  :    29,391:    19,370      6,192      3,905      5,969     18,990     29,244     29,087:       147        304
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 16, 2008                   :
     :      -322:       889       -901       -692       -555      1,136       -358       -457:        36        135
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      65.9       21.1       13.3       20.3       64.6       99.5       99.0:       0.5        1.0
Old  :     100.0:      65.9       21.1       13.3       20.3       64.6       99.5       99.0:       0.5        1.0
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:        14          9          6          9         12         26         24:
Old  :        35:        14          9          6          9         12         26         24:
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  :                 72.3       59.7       86.4       76.8       61.2       47.7       67.2       57.5
Old  :                 72.3       59.7       86.4       76.8       61.2       47.7       67.2       57.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated September 26, 2008