SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 11/06/07                         |
--------------------------------------------------------------| 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:       19,514
COMMITMENTS
   7,908    2,833      602   10,921   16,028   19,431   19,463       83       51

CHANGES FROM 10/30/07 (CHANGE IN OPEN INTEREST:     -1,351)
     111     -445     -531     -862     -274   -1,282   -1,250      -69     -101

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    40.5     14.5      3.1     56.0     82.1     99.6     99.7      0.4      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      12        8        7        8       11       23       24
 

Updated November 9, 2007