```
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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    23,490                :
: Positions                                                                                                    :
:    1,132    14,195     1,784     4,818       449    12,861     1,447       196     3,610     1,413       162 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:     -112      -142      -251      -488       142       222       -18       -10      -270       139        20 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      4.8      60.4       7.6      20.5       1.9      54.8       6.2       0.8      15.4       6.0       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   149                     :
:       10        21        10         8         .        50         8         5        30        15         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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    37,178                :
: Positions                                                                                                    :
:      379    16,692     5,209    16,162       390    20,892       681       255     4,125     1,389         0 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      127      -363       346      -248        -7      -889        46       -17      -355      -177        -2 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      1.0      44.9      14.0      43.5       1.0      56.2       1.8       0.7      11.1       3.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   156                     :
:        5        22        11        11         6        69         6         4        24         9         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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   126,679                :
: Positions                                                                                                    :
:    7,515    60,852    20,041    21,021     5,049    35,650     4,971    10,670    11,310     3,127    10,382 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:    1,186      -627       -86       655       578      -417     1,166        -5      -118      -958     2,094 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      5.9      48.0      15.8      16.6       4.0      28.1       3.9       8.4       8.9       2.5       8.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   161                     :
:       14        21        15        12        17        40        10         6        34        16        30 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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   521,338                :
: Positions                                                                                                    :
:   52,092   227,044    70,571   153,015    17,298   199,008     6,768    45,512    52,236    33,825    19,247 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      747     3,743     3,518    -5,566       227    -1,193     3,262    -4,665   -10,162    -4,526       -45 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     10.0      43.6      13.5      29.4       3.3      38.2       1.3       8.7      10.0       6.5       3.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   331                     :
:       17        32        20        17        18       107        13        17        85        44        46 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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   153,954                :
: Positions                                                                                                    :
:    9,816    70,772    49,780    10,025     7,214    44,612    19,027     7,440     5,849    10,520    14,825 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      -40    -1,590       219      -811     2,372    -3,288       862       226       291    -1,305     1,547 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.4      46.0      32.3       6.5       4.7      29.0      12.4       4.8       3.8       6.8       9.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   186                     :
:       16        24        18         8        13        51        26        20         9        32        27 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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    11,078                :
: Positions                                                                                                    :
:      347     7,018     1,763         0         0     5,223       333       286       373       831       856 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:     -147       481         4         0         0       894      -304        21       -46       439       355 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      3.1      63.4      15.9       0.0       0.0      47.1       3.0       2.6       3.4       7.5       7.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    88                     :
:       12        22         5         0         0        32         .         .        12         9        11 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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    18,239                :
: Positions                                                                                                    :
:    4,790    11,762       178     5,201       820     4,835       281         0     7,593       130         0 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:      718       798         0         0         0        50       -20         0         5         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     26.3      64.5       1.0      28.5       4.5      26.5       1.5       0.0      41.6       0.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:        5        10         .         .         .         .         .         0         5         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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    25,682                :
: Positions                                                                                                    :
:    4,313    13,879       396     4,570        24     7,599         0         0    13,079     7,016       153 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:    1,573       625      -968        10        12        17         0         0       150       156         7 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     16.8      54.0       1.5      17.8       0.1      29.6       0.0       0.0      50.9      27.3       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:        9        10         .         .         .         .         0         0         4         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of April 20, 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     2,547                :
: Positions                                                                                                    :
:        0     1,264         0       638        51       612       188         0     1,713       405         0 :
:                                                                                                              :
: Changes from:     April 13, 2010                                                                             :
:        0        -5         0        65         0        70         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.0      49.6       0.0      25.0       2.0      24.0       7.4       0.0      67.3      15.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        0         .         0         .         .         .         .         0        17         .         0 :
----------------------------------------------------------------------------------------------------------------
```

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Updated April 28, 2010