SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
FUTURES ONLY POSITIONS AS OF 04/15/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      149,199
COMMITMENTS
  46,916    6,379   32,368   42,771  100,963  122,055  139,710   27,144    9,489

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      3,501)
    -278     -879      919    2,334    2,899    2,975    2,939      526      562

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    31.4      4.3     21.7     28.7     67.7     81.8     93.6     18.2      6.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      145)
      73       26       45       25       32      121       88
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
FUTURES ONLY POSITIONS AS OF 04/15/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      105,070
COMMITMENTS
  30,643   21,360   12,241   49,550   57,463   92,434   91,064   12,636   14,006

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      2,545)
   2,620    2,178     -508      582    1,521    2,694    3,191     -149     -646

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    29.2     20.3     11.7     47.2     54.7     88.0     86.7     12.0     13.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      170)
      53       53       38       41       39      124      111
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
FUTURES ONLY POSITIONS AS OF 04/15/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      422,699
COMMITMENTS
 202,910   30,933   74,683   96,173  301,285  373,766  406,901   48,933   15,798

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:     15,487)
   6,087     -497    4,024    2,097   12,637   12,208   16,164    3,279     -677

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    48.0      7.3     17.7     22.8     71.3     88.4     96.3     11.6      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      253)
     150       48       39       37       41      209      106
 

Updated April 18, 2008