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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 6, 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 ALLOWANCES)                        :
     :          :                                                                            :
All  :    15,009:    10,798        236         23      4,055     14,671     14,876     14,930:       133         79
Old  :    15,009:    10,798        236         23      4,055     14,671     14,876     14,930:       133         79
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 30, 2010                       :
     :       228:        76        -91        -15        121        340        183        235:        45         -7
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      71.9        1.6        0.2       27.0       97.7       99.1       99.5:       0.9        0.5
Old  :     100.0:      71.9        1.6        0.2       27.0       97.7       99.1       99.5:       0.9        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:         7          3          1          9         13         16         17:
Old  :        28:         7          3          1          9         13         16         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  :                 90.1       77.2       95.9       93.6       86.0       68.9       88.9       84.6
Old  :                 90.1       77.2       95.9       93.6       86.0       68.9       88.9       84.6
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 with Delta-adjusted Options and Futures Combined, April 6, 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 ALLOWANCES)                        :
     :          :                                                                            :
All  :    25,245:    19,869      6,881        391      4,956     17,968     25,216     25,240:        29          5
Old  :    25,245:    19,869      6,881        391      4,956     17,968     25,216     25,240:        29          5
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 30, 2010                       :
     :      -939:     1,582      1,493     -1,571       -593       -514       -583       -592:      -356       -347
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      78.7       27.3        1.5       19.6       71.2       99.9      100.0:       0.1        0.0
Old  :     100.0:      78.7       27.3        1.5       19.6       71.2       99.9      100.0:       0.1        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  :        27:         7          3          4         13         13         21         19:
Old  :        27:         7          3          4         13         13         21         19:
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  :                 81.3       80.0       93.7       92.1       80.7       78.5       89.0       90.0
Old  :                 81.3       80.0       93.7       92.1       80.7       78.5       89.0       90.0
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 with Delta-adjusted Options and Futures Combined, April 6, 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  :     3,968:     2,679        444        994         54      2,471      3,727      3,910:       241         58
Old  :     3,968:     2,679        444        994         54      2,471      3,727      3,910:       241         58
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 30, 2010                       :
     :        14:        15          9          0          0          3         15         12:        -1          2
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      67.5       11.2       25.1        1.4       62.3       93.9       98.5:       6.1        1.5
Old  :     100.0:      67.5       11.2       25.1        1.4       62.3       93.9       98.5:       6.1        1.5
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  :        24:        20          2          7          2          2         24          9:
Old  :        24:        20          2          7          2          2         24          9:
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  :                 50.5       89.2       70.2       98.5       40.0       72.1       53.3       72.1
Old  :                 50.5       89.2       70.2       98.5       40.0       72.1       53.3       72.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
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Updated April 9, 2010