SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 02/05/08                         |
--------------------------------------------------------------| 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:       14,938
COMMITMENTS
   7,331    2,154      424    6,952   12,234   14,707   14,812      231      126

CHANGES FROM 01/29/08 (CHANGE IN OPEN INTEREST:      1,846)
   1,002      510      180      955    1,065    2,137    1,755     -291       91

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    49.1     14.4      2.8     46.5     81.9     98.5     99.2      1.5      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      11        6        4       10       10       22       19
 

Updated February 8, 2008