SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/12/08          |
--------------------------------------------------------------| 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:       35,150
COMMITMENTS
  16,245    5,434    7,837   10,741   21,646   34,822   34,916      328      234

CHANGES FROM 08/05/08 (CHANGE IN OPEN INTEREST:         66)
     164        2      -17      -58       37       89       21      -23       45

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    46.2     15.5     22.3     30.6     61.6     99.1     99.3      0.9      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
      15        8       15       13       12       34       29
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/12/08          |
--------------------------------------------------------------| 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:        7,455
COMMITMENTS
   4,412    4,211    2,463        0      575    6,875    7,249      580      207

CHANGES FROM 08/05/08 (CHANGE IN OPEN INTEREST:        503)
     396      762      256        0       74      651    1,092     -148     -589

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    59.2     56.5     33.0      0.0      7.7     92.2     97.2      7.8      2.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
      13        6       10        0        4       19       15


Updated August 15, 2008