SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/01/08          |
--------------------------------------------------------------| 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:       34,117
COMMITMENTS
  13,552    3,775    2,504   17,942   27,675   33,998   33,955      119      163

CHANGES FROM 06/24/08 (CHANGE IN OPEN INTEREST:     -1,591)
     217      126     -395   -1,464   -1,366   -1,641   -1,635       50       44

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    39.7     11.1      7.3     52.6     81.1     99.6     99.5      0.4      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      11       11       14       13       14       33       30
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/01/08          |
--------------------------------------------------------------| 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:        5,291
COMMITMENTS
   3,064    3,048    1,326        0      377    4,390    4,751      900      539

CHANGES FROM 06/24/08 (CHANGE IN OPEN INTEREST:       -116)
     153      569     -579       -4     -431     -430     -441      314      325

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    57.9     57.6     25.1      0.0      7.1     83.0     89.8     17.0     10.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      14        7       10        0        2       18       15


Updated July 7, 2008