```
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders with Delta-adjusted Options and Futures Combined, 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                     :
     :    -1,042:       -79        100       -100       -869     -1,048     -1,048     -1,048:         6          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          2          5         14         10         16:
Old  :        21:         4          1          2          5         14         10         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  :                 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 with Delta-adjusted Options and Futures Combined, 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  :    24,442:    18,465         39          0      5,905     24,403     24,370     24,442:        72          0
Old  :    24,442:    18,465         39          0      5,905     24,403     24,370     24,442:        72          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :      -118:      -146          0        -56         56        -45       -146       -101:        28        -17
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      75.5        0.2        0.0       24.2       99.8       99.7      100.0:       0.3        0.0
Old  :     100.0:      75.5        0.2        0.0       24.2       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  :        31:        10          1          1         14         15         25         16:
Old  :        31:        10          1          1         14         15         25         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  :                 74.8       87.7       95.0       97.1       74.8       85.2       93.6       94.6
Old  :                 74.8       87.7       95.0       97.1       74.8       85.2       93.6       94.6
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, 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  :     5,758:     4,909        822        528          0      4,337      5,436      5,686:       322         72
Old  :     5,758:     4,909        822        528          0      4,337      5,436      5,686:       322         72
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :         1:         1          0        -50          0          0        -49        -49:        50         50
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      85.2       14.3        9.2        0.0       75.3       94.4       98.7:       5.6        1.3
Old  :     100.0:      85.2       14.3        9.2        0.0       75.3       94.4       98.7:       5.6        1.3
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  :        21:        18          1          6          0          2         19          8:
Old  :        21:        18          1          6          0          2         19          8:
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  :                 65.6       93.6       82.3       98.7       61.6       89.6       74.3       89.6
Old  :                 65.6       93.6       82.3       98.7       61.6       89.6       74.3       89.6
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 with Delta-adjusted Options and Futures Combined, 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  :    11,907:       512         83          5     11,351     11,784     11,868     11,872:        39         35
Old  :    11,907:       512         83          5     11,351     11,784     11,868     11,872:        39         35
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 7, 2010                     :
     :       -67:      -109         14        -12         31        -81        -90        -79:        23         12
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.3        0.7        0.0       95.3       99.0       99.7       99.7:       0.3        0.3
Old  :     100.0:       4.3        0.7        0.0       95.3       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          3          7          7         12         11:
Old  :        20:         4          2          3          7          7         12         11:
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  :                 94.2       86.7       99.0       99.4       94.2       86.7       98.9       99.4
Old  :                 94.2       86.7       99.0       99.4       94.2       86.7       98.9       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