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SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, December 7, 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  :    14,107:    10,499         38         12      3,586     14,038     14,097     14,088:        10         19
Old  :    14,107:    10,499         38         12      3,586     14,038     14,097     14,088:        10         19
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: November 30, 2010                    :
     :      -863:        -7       -104         12       -863       -769       -858       -861:        -5         -2
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      74.4        0.3        0.1       25.4       99.5       99.9       99.9:       0.1        0.1
Old  :     100.0:      74.4        0.3        0.1       25.4       99.5       99.9       99.9:       0.1        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  :        22:         5          1          1          4         13         10         14:
Old  :        22:         5          1          1          4         13         10         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  :                 96.5       77.9       99.6       94.8       95.0       77.9       98.1       94.8
Old  :                 96.5       77.9       99.6       94.8       95.0       77.9       98.1       94.8
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 7, 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  :    24,446:    18,572         39         56      5,774     24,334     24,402     24,429:        44         17
Old  :    24,446:    18,572         39         56      5,774     24,334     24,402     24,429:        44         17
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: November 30, 2010                    :
     :      -804:       -98          0         -6       -730       -810       -834       -816:        30         12
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      76.0        0.2        0.2       23.6       99.5       99.8       99.9:       0.2        0.1
Old  :     100.0:      76.0        0.2        0.2       23.6       99.5       99.8       99.9:       0.2        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  :        32:        11          1          2         10         13         21         16:
Old  :        32:        11          1          2         10         13         21         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  :                 74.7       86.6       94.5       96.9       74.7       84.6       93.6       94.9
Old  :                 74.7       86.6       94.5       96.9       74.7       84.6       93.6       94.9
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 7, 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:     2,215        355          0          0      1,975      2,215      2,330:       116          1
Old  :     2,331:     2,215        355          0          0      1,975      2,215      2,330:       116          1
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: November 30, 2010                    :
     :       -41:       -41        -41          0          0          0        -41        -41:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      95.0       15.2        0.0        0.0       84.7       95.0      100.0:       5.0        0.0
Old  :     100.0:      95.0       15.2        0.0        0.0       84.7       95.0      100.0:       5.0        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  :        21:        17          2          0          0          2         17          4:
Old  :        21:        17          2          0          0          2         17          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      100.0       76.3      100.0       52.2      100.0       76.3      100.0
Old  :                 52.2      100.0       76.3      100.0       52.2      100.0       76.3      100.0
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 7, 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  :    11,938:       585         69         17     11,320     11,831     11,922     11,917:        16         21
Old  :    11,938:       585         69         17     11,320     11,831     11,922     11,917:        16         21
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: November 30, 2010                    :
     :       -51:        15        -10         -1        -50        -25        -36        -36:       -15        -15
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.9        0.6        0.1       94.8       99.1       99.9       99.8:       0.1        0.2
Old  :     100.0:       4.9        0.6        0.1       94.8       99.1       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  :        20:         5          1          2          7          7         12         10:
Old  :        20:         5          1          2          7          7         12         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  :                 93.6       86.8       98.3       99.7       93.5       86.8       98.2       99.7
Old  :                 93.6       86.8       98.3       99.7       93.5       86.8       98.2       99.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
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Updated December 10, 2010