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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, December 14, 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  :    14,015:    10,432        100          0      3,557     13,890     13,989     13,990:        26         25
Old  :    14,015:    10,432        100          0      3,557     13,890     13,989     13,990:        26         25
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :       -92:       -67         62        -12        -29       -148       -108        -98:        16          6
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      74.4        0.7        0.0       25.4       99.1       99.8       99.8:       0.2        0.2
Old  :     100.0:      74.4        0.7        0.0       25.4       99.1       99.8       99.8:       0.2        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  :        21:         4          1          0          4         14          8         15:
Old  :        21:         4          1          0          4         14          8         15:
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  :                 97.3       77.4       99.8       94.2       94.7       77.4       97.3       94.2
Old  :                 97.3       77.4       99.8       94.2       94.7       77.4       97.3       94.2
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, December 14, 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  :    24,356:    18,416         39          0      5,868     24,317     24,284     24,356:        72          0
Old  :    24,356:    18,416         39          0      5,868     24,317     24,284     24,356:        72          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :       -90:      -156          0        -56         94        -17       -118        -73:        28        -17
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      75.6        0.2        0.0       24.1       99.8       99.7      100.0:       0.3        0.0
Old  :     100.0:      75.6        0.2        0.0       24.1       99.8       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          1          0          9         13         18         14:
Old  :        30:         9          1          0          9         13         18         14:
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  :                 75.0       87.6       95.1       97.1       75.0       85.2       93.7       94.7
Old  :                 75.0       87.6       95.1       97.1       75.0       85.2       93.7       94.7
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, December 14, 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  :     2,331:     2,165        305          0          0      1,975      2,165      2,280:       166         51
Old  :     2,331:     2,165        305          0          0      1,975      2,165      2,280:       166         51
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :         0:       -50        -50          0          0          0        -50        -50:        50         50
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      92.9       13.1        0.0        0.0       84.7       92.9       97.8:       7.1        2.2
Old  :     100.0:      92.9       13.1        0.0        0.0       84.7       92.9       97.8:       7.1        2.2
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  :        20:        16          2          0          0          2         16          4:
Old  :        20:        16          2          0          0          2         16          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  :                 52.2       97.8       76.3       97.8       52.2       97.8       76.3       97.8
Old  :                 52.2       97.8       76.3       97.8       52.2       97.8       76.3       97.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE                                              Code-00626U
Commitments of Traders - Futures Only, December 14, 2010               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)                                    :
     :          :                                                                            :
All  :    11,893:       498         81          5     11,351     11,772     11,854     11,858:        39         35
Old  :    11,893:       498         81          5     11,351     11,772     11,854     11,858:        39         35
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :       -45:       -87         12        -12         31        -59        -68        -59:        23         14
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.2        0.7        0.0       95.4       99.0       99.7       99.7:       0.3        0.3
Old  :     100.0:       4.2        0.7        0.0       95.4       99.0       99.7       99.7:       0.3        0.3
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  :        20:         4          2          1          7          7         11         10:
Old  :        20:         4          2          1          7          7         11         10:
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  :                 94.3       86.7       99.1       99.4       94.3       86.7       99.0       99.4
Old  :                 94.3       86.7       99.1       99.4       94.3       86.7       99.0       99.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
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Updated December 17, 2010