```
Disaggregated Commitments of Traders-All 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-All 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    37,583                :
: Positions                                                                                                    :
:      528    17,609     5,457    15,148       489    20,593     1,002       314     4,748     1,481       118 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      216       181       379      -346      -517        15        73       -66      -241       306      -110 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      1.4      46.9      14.5      40.3       1.3      54.8       2.7       0.8      12.6       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-All 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   113,405                :
: Positions                                                                                                    :
:    6,806    56,215    21,535    18,443     2,918    27,436     2,667    11,628    11,298     3,086     8,099 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      491      -228       587     1,925       295     1,264      -368     1,765      -635       317      -503 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.0      49.6      19.0      16.3       2.6      24.2       2.4      10.3      10.0       2.7       7.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   146                     :
:       12        18        17         9        12        36         8         7        34        17        24 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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   466,678                :
: Positions                                                                                                    :
:   62,006   189,646    58,930   138,981    14,536   155,355     8,135    47,247    54,519    27,973    20,395 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:    4,381    -1,491     9,112    -1,148    -2,525    -7,299      -827   -12,327    -4,299      -665    -3,782 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     13.3      40.6      12.6      29.8       3.1      33.3       1.7      10.1      11.7       6.0       4.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   298                     :
:       19        27        18        16        19        74        15        16        85        48        49 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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   141,517                :
: Positions                                                                                                    :
:    9,808    69,909    48,240     9,063     5,155    41,665    13,384     8,236     5,538    12,162    10,124 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:    2,993     6,944      -129     1,131      -344     5,000    -1,087     1,163      -433     2,048      -173 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      6.9      49.4      34.1       6.4       3.6      29.4       9.5       5.8       3.9       8.6       7.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:   188                     :
:       16        25        16         8        12        51        24        20         6        42        19 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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     9,586                :
: Positions                                                                                                    :
:      671     6,266     1,944         0         0     3,491       366       249       233       282       888 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      -98         4       -63         0         0        25        27         0      -119       -19       -84 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      7.0      65.4      20.3       0.0       0.0      36.4       3.8       2.6       2.4       2.9       9.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    75                     :
:       11        24         4         0         0        22         4         .         9         6        11 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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    14,340                :
: Positions                                                                                                    :
:    2,567     8,487       153     4,601       820     3,855       242         0     6,857        85         0 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:   -1,268       312       -23    -1,400       741        85         0         0       128         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     17.9      59.2       1.1      32.1       5.7      26.9       1.7       0.0      47.8       0.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:        4        11         .         .         .         .         .         0         5         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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    24,802                :
: Positions                                                                                                    :
:    3,670    13,899     1,270     3,417        45     7,305       240         0    10,575     5,297     1,552 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:      230      -398     1,000     1,857        -2       -22      -200         0       142        72        86 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     14.8      56.0       5.1      13.8       0.2      29.5       1.0       0.0      42.6      21.4       6.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:        8         8         .         .         .         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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     2,428                :
: Positions                                                                                                    :
:        0     1,269         0       544        51       492       158         1     1,713       405         0 :
:                                                                                                              :
: Changes from:     March 23, 2010                                                                             :
:        0        10         0        10         0       254         1         0      -216         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:      0.0      52.3       0.0      22.4       2.1      20.3       6.5       0.0      70.6      16.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        0         .         0         .         .         .         .         .        17         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All 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         . :
----------------------------------------------------------------------------------------------------------------
```

----

Updated April 2, 2010