SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 09/09/08                         |
--------------------------------------------------------------| 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:       29,212
COMMITMENTS
  17,939    6,716    4,400    6,755   18,033   29,094   29,149      118       63

CHANGES FROM 09/02/08 (CHANGE IN OPEN INTEREST:        772)
   1,069     -170     -383      201    1,465      887      912     -115     -140

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    61.4     23.0     15.1     23.1     61.7     99.6     99.8      0.4      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      12       10        7        8       11       23       25
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 09/09/08                         |
--------------------------------------------------------------| 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:        4,536
COMMITMENTS
   2,813    2,283    1,310        0      863    4,123    4,456      413       80

CHANGES FROM 09/02/08 (CHANGE IN OPEN INTEREST:        396)
     196      -78      218        0      233      414      373      -18       23

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    62.0     50.3     28.9      0.0     19.0     90.9     98.2      9.1      1.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
      11        6        6        0        3       14       12
 

Updated September 12, 2008