SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/22/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25 U.S. EPA SO2 EMMISSION              OPEN INTEREST:       34,649
COMMITMENTS
  14,804    4,683    6,584   12,791   23,181   34,180   34,448      470      201

CHANGES FROM 07/15/08 (CHANGE IN OPEN INTEREST:     -3,128)
      66      -94    4,291   -7,561   -7,173   -3,204   -2,975       76     -152

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    42.7     13.5     19.0     36.9     66.9     98.6     99.4      1.4      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
      15        9       14       13       13       34       30
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/22/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS CCX C02)             OPEN INTEREST:        5,831
COMMITMENTS
   3,164    2,845    2,045        0      753    5,209    5,643      622      188

CHANGES FROM 07/15/08 (CHANGE IN OPEN INTEREST:        226)
     115      -20      154        0      125      269      260      -43      -33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    54.3     48.8     35.1      0.0     12.9     89.3     96.8     10.7      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      13        7       12        0        3       18       17


Updated July 25, 2008