SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      199,725
COMMITMENTS
  43,299    6,591   67,863   56,445  112,764  167,606  187,217   32,119   12,508

CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST:      2,437)
     481    1,096      515    1,310    1,064    2,306    2,675      131     -237

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.7      3.3     34.0     28.3     56.5     83.9     93.7     16.1      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      164)
      79       35       66       32       36      139      115
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      103,283
COMMITMENTS
  28,027   19,227   12,920   48,983   55,952   89,930   88,099   13,353   15,184

CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST:        666)
   2,389    3,127   -1,971      312       39      730    1,194      -64     -528

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.1     18.6     12.5     47.4     54.2     87.1     85.3     12.9     14.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      173)
      51       56       43       39       36      123      117
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      541,247
COMMITMENTS
 199,108   24,421  144,723  142,555  349,481  486,386  518,624   54,861   22,622

CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST:     13,882)
   6,148    1,781    8,328    1,518    3,931   15,993   14,039   -2,112     -158

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    36.8      4.5     26.7     26.3     64.6     89.9     95.8     10.1      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      281)
     169       54       87       42       44      244      155
 

Updated April 11,2008