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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, April 20, 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  :    18,239:    12,428        411          0      5,788     17,783     18,216     18,194:        23         45
Old  :    18,239:    12,428        411          0      5,788     17,783     18,216     18,194:        23         45
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 13, 2010                       :
     :       769:        55        -20          0        718        798        773        778:        -4         -9
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      68.1        2.3        0.0       31.7       97.5       99.9       99.8:       0.1        0.2
Old  :     100.0:      68.1        2.3        0.0       31.7       97.5       99.9       99.8:       0.1        0.2
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  :        27:         6          3          0          8         13         14         16:
Old  :        27:         6          3          0          8         13         14         16:
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  :                 86.3       86.1       97.8       94.0       86.3       81.8       93.4       89.5
Old  :                 86.3       86.1       97.8       94.0       86.3       81.8       93.4       89.5
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, April 20, 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  :    25,682:    20,678      7,016        153      4,733     18,473     25,564     25,642:       118         40
Old  :    25,682:    20,678      7,016        153      4,733     18,473     25,564     25,642:       118         40
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 13, 2010                       :
     :       827:       167        156          7        617        647        791        810:        36         17
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      80.5       27.3        0.6       18.4       71.9       99.5       99.8:       0.5        0.2
Old  :     100.0:      80.5       27.3        0.6       18.4       71.9       99.5       99.8:       0.5        0.2
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:         7          3          2         13         13         22         16:
Old  :        28:         7          3          2         13         13         22         16:
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  :                 85.1       81.8       94.8       95.9       85.1       78.7       92.1       92.8
Old  :                 85.1       81.8       94.8       95.9       85.1       78.7       92.1       92.8
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, April 20, 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  :     2,547:     2,325        593          0         51      1,953      2,376      2,546:       171          1
Old  :     2,547:     2,325        593          0         51      1,953      2,376      2,546:       171          1
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 13, 2010                       :
     :        60:        70          0          0          0         60         70         60:       -10          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      91.3       23.3        0.0        2.0       76.7       93.3      100.0:       6.7        0.0
Old  :     100.0:      91.3       23.3        0.0        2.0       76.7       93.3      100.0:       6.7        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  :                 45.8      100.0       67.9      100.0       45.8       98.0       67.9       98.0
Old  :                 45.8      100.0       67.9      100.0       45.8       98.0       67.9       98.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated April 28, 2010