SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY 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:       29,059
COMMITMENTS
  16,100    4,239    6,440    6,325   18,307   28,865   28,986      194       73

CHANGES FROM 08/05/08 (CHANGE IN OPEN INTEREST:        366)
     220       -5      145       12      170      377      310      -11       56

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    55.4     14.6     22.2     21.8     63.0     99.3     99.7      0.7      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      13        9       11        9       12       28       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY 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:        4,690
COMMITMENTS
   2,907    2,649    1,328        0      575    4,235    4,552      455      138

CHANGES FROM 08/05/08 (CHANGE IN OPEN INTEREST:         58)
      47      512       46        0       74       93      632      -35     -574

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    62.0     56.5     28.3      0.0     12.3     90.3     97.1      9.7      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      13        5        7        0        4       17       13
 

Updated August 15, 2008