SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/29/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      169,857
COMMITMENTS
  42,776    6,083   49,189   48,200  103,937  140,164  159,208   29,693   10,649

CHANGES FROM 04/22/08 (CHANGE IN OPEN INTEREST:    -38,778)
  -1,342      912  -20,365  -14,222  -17,784  -35,930  -37,238   -2,849   -1,541

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.2      3.6     29.0     28.4     61.2     82.5     93.7     17.5      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      153)
      77       34       61       29       33      134      103
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/29/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      104,817
COMMITMENTS
  29,088   22,567   12,373   50,051   54,554   91,512   89,494   13,305   15,324

CHANGES FROM 04/22/08 (CHANGE IN OPEN INTEREST:     -3,656)
  -1,564      852     -340     -907   -4,338   -2,810   -3,826     -845      170

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.8     21.5     11.8     47.8     52.0     87.3     85.4     12.7     14.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      172)
      47       59       38       41       37      116      119
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/29/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      555,068
COMMITMENTS
 192,639   28,225  147,614  155,228  346,802  495,481  522,640   59,586   32,428

CHANGES FROM 04/22/08 (CHANGE IN OPEN INTEREST:     -4,989)
 -10,538    2,854   -3,925    5,177  -16,289   -9,287  -17,360    4,298   12,371

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.7      5.1     26.6     28.0     62.5     89.3     94.2     10.7      5.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      278)
     160       62       95       38       44      238      164
 

Updated May 2, 2008