```
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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    24,170                :
: Positions                                                                                                    :
:      920    15,487     3,136     4,538       126    12,181     1,806       205     4,336     1,107        65 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:      293       420       161       -72        93       188        -9        -4        39        -7        52 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      3.8      64.1      13.0      18.8       0.5      50.4       7.5       0.8      17.9       4.6       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   152                     :
:        9        21        11         8         .        55        10         4        31        11         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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    38,255                :
: Positions                                                                                                    :
:      312    17,428     5,078    15,494     1,006    20,578       929       380     4,989     1,175       228 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:      -34        68      -227     1,260       518       238        36        83       288      -664        12 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.8      45.6      13.3      40.5       2.6      53.8       2.4       1.0      13.0       3.1       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   152                     :
:        5        22         8        12         6        65         5         .        27         8         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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   137,392                :
: Positions                                                                                                    :
:    8,618    59,152    20,051    16,541     6,138    26,667     3,079    11,380    11,780     2,535    22,954 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:     -154    -2,056       226       200      -160    -1,506       556       -63      -148      -193       328 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.3      43.1      14.6      12.0       4.5      19.4       2.2       8.3       8.6       1.8      16.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   157                     :
:       15        21        17         9        18        39        11        10        36        19        32 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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   665,203                :
: Positions                                                                                                    :
:   73,785   212,488    43,894   145,912    60,067   165,927     9,152    74,028    60,128    18,675   112,950 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:    8,061    -6,126     1,163    -5,347     2,072   -13,750     2,440      -786    -5,133    -2,272       -59 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     11.1      31.9       6.6      21.9       9.0      24.9       1.4      11.1       9.0       2.8      17.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   379                     :
:       23        31        15        16        22        91        25        47       123        63       109 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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   133,210                :
: Positions                                                                                                    :
:    7,202    62,969    48,369     7,928     5,503    36,666    14,688     7,177     5,910    10,139    10,381 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:      251    -1,200       385       412       280      -235       351     1,106       583       927       532 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      5.4      47.3      36.3       6.0       4.1      27.5      11.0       5.4       4.4       7.6       7.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   184                     :
:       19        28        17         9        13        45        26        22         7        36        21 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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     9,798                :
: Positions                                                                                                    :
:      781     6,394     2,007         0         0     3,466       339       249       339       131     1,193 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:       25        91       -10         0         0        15        30        35       106       -55       226 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      8.0      65.3      20.5       0.0       0.0      35.4       3.5       2.5       3.5       1.3      12.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    80                     :
:       13        26         4         0         0        21         4         .        12         9        14 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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    15,071                :
: Positions                                                                                                    :
:    4,164     8,528       176     6,001        79     3,770       242         0     6,737        85        31 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:      -36      -151         0         0         0       -40        64         0       -42       -16        15 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     27.6      56.6       1.2      39.8       0.5      25.0       1.6       0.0      44.7       0.6       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:        6        12         .         .         .         .         .         0         6         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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    25,181                :
: Positions                                                                                                    :
:    4,233    14,961       270     2,362       277     7,656       184       486    10,626     5,330     1,568 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:      252        93         0      -192       210      -261        -8       238       -58        28       -33 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     16.8      59.4       1.1       9.4       1.1      30.4       0.7       1.9      42.2      21.2       6.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       10        12         .         .         .         .         .         .         4         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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     3,941                :
: Positions                                                                                                    :
:        4     1,867         0       534        51       296       396       135     2,336        43       858 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:        0         1         0         0         0         0         0         0         1        -0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.1      47.4       0.0      13.5       1.3       7.5      10.0       3.4      59.3       1.1      21.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        .         .         0         .         .         .         .         .        18         .         6 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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     9,503                :
: Positions                                                                                                    :
:    8,483     6,866        27     2,509        20         0         8        38       704        23         6 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:        0         0         0         0         0         0         8        38         0        -8       -38 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.3      72.3       0.3      26.4       0.2       0.0       0.1       0.4       7.4       0.2       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:        9         8         .         .         .         0         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of March 23, 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     9,385                :
: Positions                                                                                                    :
:    8,558     5,444       173     3,704        88         0         0         0       502        91        59 :
:                                                                                                              :
: Changes from:     March 16, 2010                                                                             :
:      -62       -82         0        13        -8         0         0         0         0         7       -11 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.2      58.0       1.8      39.5       0.9       0.0       0.0       0.0       5.3       1.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         8         .         .         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
```

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Updated March 26, 2010