SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
FUTURES ONLY POSITIONS AS OF 04/01/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      145,358
COMMITMENTS
  47,457    6,193   31,543   39,781   98,073  118,781  135,809   26,577    9,549

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:     -3,560)
  -1,122   -2,348      214   -1,020   -1,849   -1,928   -3,983   -1,632      423

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    32.6      4.3     21.7     27.4     67.5     81.7     93.4     18.3      6.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      143)
      68       24       46       25       33      115       90
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
FUTURES ONLY POSITIONS AS OF 04/01/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      101,860
COMMITMENTS
  25,610   16,029   14,751   48,653   55,905   89,014   86,685   12,846   15,175

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:      4,537)
   2,537      511    1,765     -370    1,906    3,932    4,182      605      355

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    25.1     15.7     14.5     47.8     54.9     87.4     85.1     12.6     14.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      163)
      46       53       39       37       34      115      110
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
FUTURES ONLY POSITIONS AS OF 04/01/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      399,393
COMMITMENTS
 190,958   29,680   65,644   94,901  287,969  351,503  383,293   47,890   16,100

CHANGES FROM 03/25/08 (CHANGE IN OPEN INTEREST:    -52,800)
 -23,693   -9,229   -7,443  -10,093  -23,150  -41,229  -39,822  -11,571  -12,978

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    47.8      7.4     16.4     23.8     72.1     88.0     96.0     12.0      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      245)
     150       42       44       38       37      211      101
 

Updated April 4, 2008