SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, June 3, 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  :    42,091:    10,888      2,347      4,160     26,815     35,370     41,864     41,877:       227        213
Old  :    42,091:    10,888      2,347      4,160     26,815     35,370     41,864     41,877:       227        213
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 27, 2008                         :
     :       889:       183        140        287        478        484        948        911:       -58        -21
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      25.9        5.6        9.9       63.7       84.0       99.5       99.5:       0.5        0.5
Old  :     100.0:      25.9        5.6        9.9       63.7       84.0       99.5       99.5:       0.5        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  :        36:        14          7         13         15         15         35         29:
Old  :        36:        14          7         13         15         15         35         29:
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  :                 56.7       73.7       75.0       87.0       25.5       29.9       32.2       35.1
Old  :                 56.7       73.7       75.0       87.0       25.5       29.9       32.2       35.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated June 6, 2008