SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 11/13/07                         |
--------------------------------------------------------------| 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:       19,680
COMMITMENTS
   7,868    2,968      685   10,677   15,614   19,230   19,267      450      413

CHANGES FROM 11/06/07 (CHANGE IN OPEN INTEREST:        166)
     -40      135       83     -244     -414     -201     -196      367      362

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    40.0     15.1      3.5     54.3     79.3     97.7     97.9      2.3      2.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
      12        9        9        8       11       25       26
 

Updated November 16, 2007