```
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE                                          Code-006261
Commitments of Traders - Futures Only, March 23, 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  :    14,702:    10,499        327          0      4,090     14,255     14,589     14,582:       113        120
Old  :    14,702:    10,499        327          0      4,090     14,255     14,589     14,582:       113        120
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 16, 2010                       :
     :      -214:       -65         64          0        -20       -134        -85        -70:      -129       -144
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      71.4        2.2        0.0       27.8       97.0       99.2       99.2:       0.8        0.8
Old  :     100.0:      71.4        2.2        0.0       27.8       97.0       99.2       99.2:       0.8        0.8
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:         8          3          0          9         15         17         18:
Old  :        31:         8          3          0          9         15         17         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  :                 91.6       86.8       96.8       93.8       90.9       86.8       95.4       93.5
Old  :                 91.6       86.8       96.8       93.8       90.9       86.8       95.4       93.5
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, March 23, 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  :    23,048:    17,760      5,665      1,466      3,757     15,904     22,983     23,035:        65         13
Old  :    23,048:    17,760      5,665      1,466      3,757     15,904     22,983     23,035:        65         13
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 16, 2010                       :
     :      -286:      -116         26        -37        223         70         70         59:      -356       -345
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      77.1       24.6        6.4       16.3       69.0       99.7       99.9:       0.3        0.1
Old  :     100.0:      77.1       24.6        6.4       16.3       69.0       99.7       99.9:       0.3        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  :        25:         5          3          1         12         13         18         16:
Old  :        25:         5          3          1         12         13         18         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  :                 82.4       76.1       94.6       91.9       79.6       65.0       85.6       80.1
Old  :                 82.4       76.1       94.6       91.9       79.6       65.0       85.6       80.1
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, March 23, 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  :     2,408:     2,167        562          1         51      1,844      2,219      2,407:       189          1
Old  :     2,408:     2,167        562          1         51      1,844      2,219      2,407:       189          1
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 16, 2010                       :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      90.0       23.3        0.0        2.1       76.6       92.2      100.0:       7.8        0.0
Old  :     100.0:      90.0       23.3        0.0        2.1       76.6       92.2      100.0:       7.8        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  :        22:        18          2          1          1          2         20          4:
Old  :        22:        18          2          1          1          2         20          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  :                 42.9      100.0       66.3      100.0       42.9       97.8       66.3       97.8
Old  :                 42.9      100.0       66.3      100.0       42.9       97.8       66.3       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, March 23, 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  :     9,503:       704         31         44      8,530      9,395      9,278      9,470:       225         33
Old  :     9,503:       704         31         44      8,530      9,395      9,278      9,470:       225         33
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 16, 2010                       :
     :         1:         0          0          0          0          0          0          0:         1          1
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.4        0.3        0.5       89.8       98.9       97.6       99.7:       2.4        0.3
Old  :     100.0:       7.4        0.3        0.5       89.8       98.9       97.6       99.7:       2.4        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  :        21:         2          2          2         11         11         15         13:
Old  :        21:         2          2          2         11         11         15         13:
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  :                 86.8       80.0       94.8       96.5       86.7       76.7       92.1       93.2
Old  :                 86.8       80.0       94.8       96.5       86.7       76.7       92.1       93.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
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Updated March 26, 2010