SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/12/08          |
--------------------------------------------------------------| 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:       27,788
COMMITMENTS
   8,194    4,578    3,831   15,478   19,190   27,503   27,600      285      188

CHANGES FROM 02/05/08 (CHANGE IN OPEN INTEREST:      2,113)
   1,196      731     -373    1,236    1,711    2,059    2,070       54       44

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.5     16.5     13.8     55.7     69.1     99.0     99.3      1.0      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
      12        7        8       12       10       27       22


Updated February 15, 2008