SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY 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:       11,368
COMMITMENTS
   4,245    1,459      581    6,210    9,232   11,036   11,272      332       96

CHANGES FROM 01/08/08 (CHANGE IN OPEN INTEREST:      3,336)
     960      162      416    1,729    2,725    3,105    3,303      231       33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    37.3     12.8      5.1     54.6     81.2     97.1     99.2      2.9      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
      10       11        6        9        9       20       25
 

Updated January 18, 2008