SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/02/08          |
--------------------------------------------------------------| 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:       31,990
COMMITMENTS
  16,459    6,737    6,291    9,006   18,751   31,756   31,779      234      211

CHANGES FROM 08/26/08 (CHANGE IN OPEN INTEREST:     -1,239)
     203      979     -876     -495   -1,343   -1,169   -1,241      -70        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    51.5     21.1     19.7     28.2     58.6     99.3     99.3      0.7      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      16        8       16       12       10       33       29
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/02/08          |
--------------------------------------------------------------| 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:        7,407
COMMITMENTS
   4,240    3,990    2,591        0      662    6,831    7,243      576      164

CHANGES FROM 08/26/08 (CHANGE IN OPEN INTEREST:       -490)
    -500     -318       10        0     -103     -489     -411       -0      -79

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    57.2     53.9     35.0      0.0      8.9     92.2     97.8      7.8      2.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      12        7       10        0        3       18       15


Updated September 5, 2008