SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/06/07          |
--------------------------------------------------------------| 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:       23,440
COMMITMENTS
   6,785    3,600    2,191   14,352   17,597   23,328   23,388      112       52

CHANGES FROM 10/30/07 (CHANGE IN OPEN INTEREST:     -1,255)
     -34     -528     -377     -796     -241   -1,206   -1,146      -49     -109

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.9     15.4      9.3     61.2     75.1     99.5     99.8      0.5      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
      10       10       12       11       11       29       26


Updated November 9, 2007