```
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006265
Commitments of Traders - Futures Only, December 21, 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  :    17,355:    12,348          0          0      4,906     17,303     17,254     17,303:       101         52
Old  :    17,355:    12,348          0          0      4,906     17,303     17,254     17,303:       101         52
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 14, 2010                    :
     :    -7,001:    -6,068        -39          0       -962     -7,014     -7,030     -7,053:        29         52
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      71.1        0.0        0.0       28.3       99.7       99.4       99.7:       0.6        0.3
Old  :     100.0:      71.1        0.0        0.0       28.3       99.7       99.4       99.7:       0.6        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  :        24:         9          0          0          6         11         15         11:
Old  :        24:         9          0          0          6         11         15         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  :                 73.0       87.7       95.8       97.4       73.0       84.4       93.8       94.1
Old  :                 73.0       87.7       95.8       97.4       73.0       84.4       93.8       94.1
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 21, 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  :     2,280:     2,165        305          0          0      1,974      2,165      2,279:       115          1
Old  :     2,280:     2,165        305          0          0      1,974      2,165      2,279:       115          1
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 14, 2010                    :
     :       -51:         0          0          0          0         -1          0         -1:       -51        -50
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      95.0       13.4        0.0        0.0       86.6       95.0      100.0:       5.0        0.0
Old  :     100.0:      95.0       13.4        0.0        0.0       86.6       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  :        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  :                 53.3      100.0       78.0      100.0       53.3      100.0       78.0      100.0
Old  :                 53.3      100.0       78.0      100.0       53.3      100.0       78.0      100.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated December 27, 2010