SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/08/08          |
--------------------------------------------------------------| 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:       35,330
COMMITMENTS
  14,347    3,997    2,703   18,037   28,484   35,088   35,184      243      146

CHANGES FROM 07/01/08 (CHANGE IN OPEN INTEREST:      1,213)
     795      222      199       95      808    1,090    1,230      123      -17

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    40.6     11.3      7.7     51.1     80.6     99.3     99.6      0.7      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      15       10       15       13       14       35       32
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/08/08          |
--------------------------------------------------------------| 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:        5,327
COMMITMENTS
   3,131    3,338    1,353        0      444    4,483    5,135      844      192

CHANGES FROM 07/01/08 (CHANGE IN OPEN INTEREST:         36)
      67      290       26        0       67       93      384      -57     -347

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    58.8     62.7     25.4      0.0      8.3     84.2     96.4     15.8      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
      14        8       11        0        2       19       16


Updated July 11, 2008