SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/15/08          |
--------------------------------------------------------------| 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:       37,777
COMMITMENTS
  14,738    4,777    2,293   20,353   30,354   37,384   37,423      393      354

CHANGES FROM 07/08/08 (CHANGE IN OPEN INTEREST:      2,447)
     390      779     -410    2,316    1,870    2,296    2,239      151      208

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    39.0     12.6      6.1     53.9     80.3     99.0     99.1      1.0      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      14       10       14       14       15       35       32
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/15/08          |
--------------------------------------------------------------| 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:        5,605
COMMITMENTS
   3,049    2,865    1,891        0      628    4,940    5,384      665      221

CHANGES FROM 07/08/08 (CHANGE IN OPEN INTEREST:        278)
     -81     -473      538        0      184      457      249     -179       29

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    54.4     51.1     33.7      0.0     11.2     88.1     96.1     11.9      3.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      13        7       11        0        3       18       16


Updated July 18, 2008