SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 06/10/08                         |
--------------------------------------------------------------| 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:       26,377
COMMITMENTS
  11,147    3,092      267   14,819   22,930   26,233   26,289      144       88

CHANGES FROM 06/03/08 (CHANGE IN OPEN INTEREST:         82)
     299      280       68     -254     -337      113       11      -31       71

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    42.3     11.7      1.0     56.2     86.9     99.5     99.7      0.5      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
      14        8        7       13       13       30       25
 

Updated June 13, 2008