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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, May 25, 2010                    
-------------------------------------------------------------------------------------------------------------------
     :   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  :    16,259:    12,334        367          0      3,909     15,882     16,243     16,249:        16         10
Old  :    16,259:    12,334        367          0      3,909     15,882     16,243     16,249:        16         10
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 18, 2010                         :
     :        46:        15         16          0         31         32         46         48:         0         -2
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      75.9        2.3        0.0       24.0       97.7       99.9       99.9:       0.1        0.1
Old  :     100.0:      75.9        2.3        0.0       24.0       97.7       99.9       99.9:       0.1        0.1
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:         4          2          0          8         15         12         17:
Old  :        26:         4          2          0          8         15         12         17:
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  :                 91.6       81.0       98.4       91.2       89.3       76.2       92.9       85.9
Old  :                 91.6       81.0       98.4       91.2       89.3       76.2       92.9       85.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006265
Commitments of Traders - Futures Only, May 25, 2010                    
-------------------------------------------------------------------------------------------------------------------
     :   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  :    26,477:    20,619      6,735         12      5,634     19,593     26,265     26,340:       212        137
Old  :    26,477:    20,619      6,735         12      5,634     19,593     26,265     26,340:       212        137
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 18, 2010                         :
     :      -146:       -26       -129          7       -262       -145       -281       -267:       135        121
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      77.9       25.4        0.0       21.3       74.0       99.2       99.5:       0.8        0.5
Old  :     100.0:      77.9       25.4        0.0       21.3       74.0       99.2       99.5:       0.8        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  :        28:         8          1          1         13         10         21         12:
Old  :        28:         8          1          1         13         10         21         12:
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  :                 83.2       85.6       93.7       97.9       82.1       85.4       92.6       97.7
Old  :                 83.2       85.6       93.7       97.9       82.1       85.4       92.6       97.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006268
Commitments of Traders - Futures Only, May 25, 2010                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 METRIC TONS CCX C02)                                   :
     :          :                                                                            :
All  :     2,536:     2,353        581          0         30      1,954      2,383      2,535:       153          1
Old  :     2,536:     2,353        581          0         30      1,954      2,383      2,535:       153          1
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 18, 2010                         :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      92.8       22.9        0.0        1.2       77.1       94.0      100.0:       6.0        0.0
Old  :     100.0:      92.8       22.9        0.0        1.2       77.1       94.0      100.0:       6.0        0.0
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  :        23:        19          2          0          1          2         20          4:
Old  :        23:        19          2          0          1          2         20          4:
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  :                 47.9      100.0       70.1      100.0       47.9       98.8       70.1       98.8
Old  :                 47.9      100.0       70.1      100.0       47.9       98.8       70.1       98.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated May 28, 2010