SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 08/19/08                         |
--------------------------------------------------------------| 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:       29,334
COMMITMENTS
  16,314    6,008    5,715    7,132   17,607   29,161   29,330      173        4

CHANGES FROM 08/12/08 (CHANGE IN OPEN INTEREST:        275)
     214    1,769     -725      807     -700      296      344      -21      -69

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    55.6     20.5     19.5     24.3     60.0     99.4    100.0      0.6      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      13        9       10        9       13       29       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 08/19/08                         |
--------------------------------------------------------------| 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:        4,721
COMMITMENTS
   2,938    2,598    1,346        0      638    4,284    4,582      437      139

CHANGES FROM 08/12/08 (CHANGE IN OPEN INTEREST:         31)
      31      -51       18        0       63       49       30      -18        1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    62.2     55.0     28.5      0.0     13.5     90.7     97.1      9.3      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      12        5        7        0        4       16       13
 

Updated August 22, 2008