SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/05/08          |
--------------------------------------------------------------| 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:       35,084
COMMITMENTS
  16,081    5,432    7,854   10,798   21,609   34,733   34,895      351      189

CHANGES FROM 07/29/08 (CHANGE IN OPEN INTEREST:       -653)
   1,104      321      269   -1,954   -1,195     -581     -604      -72      -49

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    45.8     15.5     22.4     30.8     61.6     99.0     99.5      1.0      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      14       11       15       13       12       34       31
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/05/08          |
--------------------------------------------------------------| 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:        6,952
COMMITMENTS
   4,017    3,449    2,207        0      501    6,224    6,157      729      796

CHANGES FROM 07/29/08 (CHANGE IN OPEN INTEREST:        456)
     410      145      -51        0     -253      359     -159       97      615

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    57.8     49.6     31.7      0.0      7.2     89.5     88.6     10.5     11.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
      14        6       11        0        4       20       16


Updated August 8, 2008