SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 11/13/07          |
--------------------------------------------------------------| 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:       23,437
COMMITMENTS
   7,068    3,976    1,878   14,041   17,170   22,987   23,024      451      413

CHANGES FROM 11/06/07 (CHANGE IN OPEN INTEREST:         -3)
     283      377     -313     -311     -427     -342     -364      339      361

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.2     17.0      8.0     59.9     73.3     98.1     98.2      1.9      1.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      11       10       14       11       11       31       28


Updated November 16, 2007