SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/21/10          |
--------------------------------------------------------------| 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:       19,693
COMMITMENTS
  14,353        0        0    5,239   19,641   19,592   19,641      101       52

CHANGES FROM 12/14/10 (CHANGE IN OPEN INTEREST:     -4,749)
  -4,112      -39       -0     -666   -4,762   -4,778   -4,801       29       52

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    72.9      0.0      0.0     26.6     99.7     99.5     99.7      0.5      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
      10        0        0        7       11       17       11
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/21/10          |
--------------------------------------------------------------| 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:        5,708
COMMITMENTS
   4,909      822      528        0    4,336    5,437    5,686      271       22

CHANGES FROM 12/14/10 (CHANGE IN OPEN INTEREST:        -51)
       0        0        0        0       -1        0       -1      -51      -50

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    86.0     14.4      9.3      0.0     76.0     95.3     99.6      4.7      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
      18        1        6        0        2       19        8


Updated December 27, 2010