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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 11, 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  :    18,207:    12,386        348          0      5,792     17,854     18,178     18,202:        29          5
Old  :    18,207:    12,386        348          0      5,792     17,854     18,178     18,202:        29          5
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 4, 2010                          :
     :      -488:        33          8        -27       -517       -474       -511       -493:        23          5
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      68.0        1.9        0.0       31.8       98.1       99.8      100.0:       0.2        0.0
Old  :     100.0:      68.0        1.9        0.0       31.8       98.1       99.8      100.0:       0.2        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:         4          2          0         10         15         14         17:
Old  :        26:         4          2          0         10         15         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  :                 82.7       82.0       96.8       93.0       82.7       74.3       87.4       82.0
Old  :                 82.7       82.0       96.8       93.0       82.7       74.3       87.4       82.0
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 11, 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  :    30,126:    22,191      7,064         62      7,792     22,992     30,046     30,119:        80          7
Old  :    30,126:    22,191      7,064         62      7,792     22,992     30,046     30,119:        80          7
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 4, 2010                          :
     :    -1,653:      -630       -142       -125       -887     -1,369     -1,642     -1,636:       -11        -17
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      73.7       23.4        0.2       25.9       76.3       99.7      100.0:       0.3        0.0
Old  :     100.0:      73.7       23.4        0.2       25.9       76.3       99.7      100.0:       0.3        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  :        30:         9          2          2         16         15         26         18:
Old  :        30:         9          2          2         16         15         26         18:
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  :                 75.4       74.9       88.2       94.7       72.1       71.6       81.2       86.8
Old  :                 75.4       74.9       88.2       94.7       72.1       71.6       81.2       86.8
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 with Delta-adjusted Options and Futures Combined, May 11, 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  :     3,916:     2,663        450      1,000         35      2,406      3,698      3,856:       218         60
Old  :     3,916:     2,663        450      1,000         35      2,406      3,698      3,856:       218         60
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 4, 2010                          :
     :       -55:        -8          3          2        -19        -40        -26        -35:       -30        -20
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      68.0       11.5       25.5        0.9       61.4       94.4       98.5:       5.6        1.5
Old  :     100.0:      68.0       11.5       25.5        0.9       61.4       94.4       98.5:       5.6        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  :                 51.4       88.7       71.0       98.4       40.5       72.0       54.1       72.0
Old  :                 51.4       88.7       71.0       98.4       40.5       72.0       54.1       72.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
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Updated May 14, 2010