SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 08/26/08                         |
--------------------------------------------------------------| 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:       29,643
COMMITMENTS
  16,545    5,849    5,861    7,040   17,889   29,446   29,599      197       44

CHANGES FROM 08/19/08 (CHANGE IN OPEN INTEREST:        309)
     231     -159      146      -92      282      285      269       24       40

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    55.8     19.7     19.8     23.7     60.3     99.3     99.9      0.7      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      14        8       10        9       13       28       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 08/26/08                         |
--------------------------------------------------------------| 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:        4,670
COMMITMENTS
   3,064    2,606    1,178        0      750    4,242    4,534      428      136

CHANGES FROM 08/19/08 (CHANGE IN OPEN INTEREST:        -51)
     126        8     -168        0      112      -42      -48       -9       -3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    65.6     55.8     25.2      0.0     16.1     90.8     97.1      9.2      2.9

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

Updated August 29, 2008