SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 06/24/08          |
--------------------------------------------------------------| 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:       35,709
COMMITMENTS
  13,335    3,650    2,899   19,405   29,042   35,639   35,590       69      118

CHANGES FROM 06/17/08 (CHANGE IN OPEN INTEREST:        194)
   1,032       22     -152     -634      398      247      268      -53      -74

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.3     10.2      8.1     54.3     81.3     99.8     99.7      0.2      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
      11       12       15       13       14       34       31
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 06/24/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS CCX C02)             OPEN INTEREST:        5,407
COMMITMENTS
   2,911    2,479    1,906        4      808    4,820    5,193      587      214

CHANGES FROM 06/17/08 (CHANGE IN OPEN INTEREST:        486)
     282       73      320        0      140      602      533     -116      -46

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    53.8     45.8     35.2      0.1     14.9     89.2     96.0     10.8      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      14        6       10        1        3       19       15


Updated June 27, 2008