SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 01/15/08          |
--------------------------------------------------------------| 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:       18,115
COMMITMENTS
   4,132    1,852    3,249   10,313   12,481   17,693   17,582      422      533

CHANGES FROM 01/08/08 (CHANGE IN OPEN INTEREST:      3,766)
      79     -860    1,344    2,189    2,812    3,613    3,296      154      470

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.8     10.2     17.9     56.9     68.9     97.7     97.1      2.3      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      13       10       14       10       10       28       29


Updated January 18, 2008