SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/19/08          |
--------------------------------------------------------------| 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:       32,950
COMMITMENTS
  15,961    5,856    7,087    9,619   19,837   32,667   32,780      283      171

CHANGES FROM 08/12/08 (CHANGE IN OPEN INTEREST:     -2,199)
    -284      422     -749   -1,122   -1,809   -2,155   -2,136      -44      -63

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    48.4     17.8     21.5     29.2     60.2     99.1     99.5      0.9      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      15       10       15       13       13       35       31
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/19/08          |
--------------------------------------------------------------| 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:        7,652
COMMITMENTS
   4,572    4,268    2,520        0      650    7,092    7,438      561      214

CHANGES FROM 08/12/08 (CHANGE IN OPEN INTEREST:        197)
     160       57       57        0       75      217      190      -20        7

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    59.7     55.8     32.9      0.0      8.5     92.7     97.2      7.3      2.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      12        6       10        0        4       18       15


Updated August 22, 2008