SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 01/22/08          |
--------------------------------------------------------------| 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:       19,758
COMMITMENTS
   6,090    1,979    2,904   10,719   14,642   19,712   19,525       46      233

CHANGES FROM 01/15/08 (CHANGE IN OPEN INTEREST:      1,643)
   1,958      127     -345      406    2,161    2,019    1,943     -376     -300

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.8     10.0     14.7     54.2     74.1     99.8     98.8      0.2      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      13        8       10       11       10       27       25


Updated January 25, 2008