SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/07/08          |
--------------------------------------------------------------| 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:       34,487
COMMITMENTS
  22,309    5,818    4,323    7,785   24,276   34,417   34,418       69       69

CHANGES FROM 09/30/08 (CHANGE IN OPEN INTEREST:        727)
   3,575       38     -823     -267    1,464    2,485      680   -1,758       47

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    64.7     16.9     12.5     22.6     70.4     99.8     99.8      0.2      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      14       10       15       12       14       32       33


Updated October 10, 2008