SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/03/07          |
--------------------------------------------------------------| 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:       19,340
COMMITMENTS
   3,593    2,297      343   14,843   16,077   18,779   18,716      561      624

CHANGES FROM 06/26/07 (CHANGE IN OPEN INTEREST:      1,105)
     398      393      125      307      347      829      865      276      240

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.6     11.9      1.8     76.7     83.1     97.1     96.8      2.9      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
      11        6        5       10       11       22       21


Updated July 9, 2007