```
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PALLADIUM - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 100 TROY OUNCES)                                      :
CFTC Code #075651                                                    Open Interest is    22,924                :
: Positions                                                                                                    :
:    1,065    14,150     2,599     4,735       156    11,653     1,634       204     3,946     1,462        39 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      145    -1,337      -537       197        30      -528      -172        -1      -390       355       -26 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      4.6      61.7      11.3      20.7       0.7      50.8       7.1       0.9      17.2       6.4       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   147                     :
:        9        22        12         7         .        52         9         .        25        15         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PLATINUM - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 50 TROY OUNCES)                                        :
CFTC Code #076651                                                    Open Interest is    38,113                :
: Positions                                                                                                    :
:      528    17,609     5,457    15,137       669    20,582     1,002       494     4,748     1,481       118 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      216       181       379      -357      -337         4        73       114      -241       306      -110 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      1.4      46.2      14.3      39.7       1.8      54.0       2.6       1.3      12.5       3.9       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   155                     :
:        7        23         9        11         6        67         5         .        26        12         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SILVER - COMMODITY EXCHANGE INC.   (CONTRACTS OF 5,000 TROY OUNCES)                                            :
CFTC Code #084691                                                    Open Interest is   138,719                :
: Positions                                                                                                    :
:    8,896    59,200    20,398    18,468     6,822    28,067     2,645    13,247    11,149     2,847    22,375 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      278        48       348     1,928       684     1,400      -434     1,867      -632       312      -579 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.4      42.7      14.7      13.3       4.9      20.2       1.9       9.5       8.0       2.1      16.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   160                     :
:       12        21        17         9        15        38        11        11        39        20        35 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
GOLD - COMMODITY EXCHANGE INC.   (CONTRACTS OF 100 TROY OUNCES)                                                :
CFTC Code #088691                                                    Open Interest is   603,626                :
: Positions                                                                                                    :
:   74,776   209,910    56,691   144,439    46,374   157,723     8,324    58,472    55,920    18,535    92,022 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      991    -2,578    12,797    -1,473   -13,693    -8,204      -828   -15,556    -4,207      -140   -20,928 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     12.4      34.8       9.4      23.9       7.7      26.1       1.4       9.7       9.3       3.1      15.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   340                     :
:       22        31        17        17        23        86        19        39       111        46        91 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.   (CONTRACTS OF 25,000 POUNDS)                                       :
CFTC Code #085692                                                    Open Interest is   142,431                :
: Positions                                                                                                    :
:   10,354    69,913    48,240     9,057     5,161    41,665    13,684     8,353     5,531    12,277    10,141 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:    3,152     6,944      -129     1,129      -342     4,999    -1,004     1,177      -379     2,138      -240 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      7.3      49.1      33.9       6.4       3.6      29.3       9.6       5.9       3.9       8.6       7.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   188                     :
:       16        25        16         8        12        51        24        20         5        43        20 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
RANDOM LENGTH LUMBER - CHICAGO MERCANTILE EXCHANGE   (CONTRACTS OF 110,000 BOARD FEET)                         :
CFTC Code #058643                                                    Open Interest is     9,854                :
: Positions                                                                                                    :
:      683     6,401     1,944         0         0     3,491       366       249       229       113     1,110 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      -98         7       -63         0         0        25        27         0      -110       -18       -83 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.9      65.0      19.7       0.0       0.0      35.4       3.7       2.5       2.3       1.1      11.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    76                     :
:       12        25         4         0         0        22         4         .         9         7        13 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 25 U.S. EPA SO2 EMMIS           :
CFTC Code #006261                                                    Open Interest is    14,781                :
: Positions                                                                                                    :
:    2,961     8,909       153     4,601       820     3,855       242         0     6,866        85        38 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:   -1,203       381       -23    -1,400       741        85         0         0       130         0         6 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     20.0      60.3       1.0      31.1       5.5      26.1       1.6       0.0      46.5       0.6       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:        5        11         .         .         .         .         .         0         6         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 25 U.S. EPA SO2 EMMIS           :
CFTC Code #006265                                                    Open Interest is    26,183                :
: Positions                                                                                                    :
:    4,068    14,471     1,270     3,800       211     7,520        52       353    10,768     5,335     1,609 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:     -165      -490     1,000     1,438       -67      -136      -132      -133       142         5        41 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     15.5      55.3       4.9      14.5       0.8      28.7       0.2       1.3      41.1      20.4       6.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:        9        10         .         .         .         .         .         .         4         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 1,000 METRIC TONS CCX           :
CFTC Code #006268                                                    Open Interest is     3,954                :
: Positions                                                                                                    :
:        3     1,873         0       544        51       923       391       244     1,741        44       750 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:       -1         6         0        10         0       627        -4       109      -595         1      -108 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.1      47.4       0.0      13.8       1.3      23.4       9.9       6.2      44.0       1.1      19.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:        .         .         0         .         .         .         .         .        18         .         5 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)           :
CFTC Code #00626U                                                    Open Interest is    10,309                :
: Positions                                                                                                    :
:    9,153     7,741        27     2,482        20       100         0         0       719         0         5 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      670       875         0       -27         0       100        -8       -38        15       -23        -1 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     88.8      75.1       0.3      24.1       0.2       1.0       0.0       0.0       7.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        8         7         .         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 30, 2010             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
RGGI CO2 ALLOWANCE 2010 - CHICAGO CLIMATE FUTURES EXCHANGE   (CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)           :
CFTC Code #00626V                                                    Open Interest is     8,808                :
: Positions                                                                                                    :
:    8,037     4,879       173     3,694        91         0         0         0       502       144         0 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:     -521      -565         0       -10         3         0         0         0         0        53       -59 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.2      55.4       2.0      41.9       1.0       0.0       0.0       0.0       5.7       1.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         7         .         .         .         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
```

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Updated April 2, 2010