SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, March 11, 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                                    :
     :          :                                                                            :
All  :    24,291:     9,526      2,717        860     13,764     20,571     24,150     24,148:       141        143
Old  :    24,291:     9,526      2,717        860     13,764     20,571     24,150     24,148:       141        143
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 4, 2008                        :
     :     3,471:        33       -132        202      3,174      3,279      3,409      3,349:        62        122
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      39.2       11.2        3.5       56.7       84.7       99.4       99.4:       0.6        0.6
Old  :     100.0:      39.2       11.2        3.5       56.7       84.7       99.4       99.4:       0.6        0.6
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:        10          7          5         11         11         22         22:
Old  :        29:        10          7          5         11         11         22         22:
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  :                 59.0       79.0       83.2       90.0       37.8       46.7       49.0       54.3
Old  :                 59.0       79.0       83.2       90.0       37.8       46.7       49.0       54.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated March 14, 2008