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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 4, 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  :    18,695:    12,353        340         27      6,309     18,328     18,689     18,695:         6          0
Old  :    18,695:    12,353        340         27      6,309     18,328     18,689     18,695:         6          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 27, 2010                       :
     :      -108:       -21         27          2        -87       -138       -106       -108:        -2          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      66.1        1.8        0.1       33.7       98.0      100.0      100.0:       0.0        0.0
Old  :     100.0:      66.1        1.8        0.1       33.7       98.0      100.0      100.0:       0.0        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  :        26:         5          2          1          9         14         14         17:
Old  :        26:         5          2          1          9         14         14         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  :                 83.7       82.8       97.0       93.8       83.7       75.6       88.2       83.3
Old  :                 83.7       82.8       97.0       93.8       83.7       75.6       88.2       83.3
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, May 4, 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  :    31,779:    22,821      7,206        187      8,679     24,361     31,688     31,755:        91         24
Old  :    31,779:    22,821      7,206        187      8,679     24,361     31,688     31,755:        91         24
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 27, 2010                       :
     :    -1,915:      -146       -120       -226     -1,544     -1,560     -1,915     -1,906:         0         -9
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      71.8       22.7        0.6       27.3       76.7       99.7       99.9:       0.3        0.1
Old  :     100.0:      71.8       22.7        0.6       27.3       76.7       99.7       99.9:       0.3        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  :        29:         9          2          2         15         14         25         17:
Old  :        29:         9          2          2         15         14         25         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  :                 73.4       73.8       88.1       93.9       70.8       71.0       78.7       82.6
Old  :                 73.4       73.8       88.1       93.9       70.8       71.0       78.7       82.6
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, May 4, 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  :     3,971:     2,671        447        998         54      2,446      3,724      3,891:       248         81
Old  :     3,971:     2,671        447        998         54      2,446      3,724      3,891:       248         81
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 27, 2010                       :
     :       -15:       -25         -3          1         -0        -24        -25        -26:        10         11
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      67.3       11.2       25.1        1.4       61.6       93.8       98.0:       6.2        2.0
Old  :     100.0:      67.3       11.2       25.1        1.4       61.6       93.8       98.0:       6.2        2.0
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  :        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  :                 50.7       88.5       70.2       97.9       40.1       71.5       53.4       71.5
Old  :                 50.7       88.5       70.2       97.9       40.1       71.5       53.4       71.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
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Updated May 7, 2010