SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/09/08          |
--------------------------------------------------------------| 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:       35,067
COMMITMENTS
  19,214    5,780    2,635   13,210   26,614   35,059   35,029        8       38

CHANGES FROM 12/02/08 (CHANGE IN OPEN INTEREST:        441)
    -106     -136     -315      937      926      516      474      -75      -33

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    54.8     16.5      7.5     37.7     75.9    100.0     99.9      0.0      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
      10       11       13       17       18       34       35
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/09/08          |
--------------------------------------------------------------| 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:        8,281
COMMITMENTS
   5,745    5,636    1,971        2      533    7,717    8,140      564      141

CHANGES FROM 12/02/08 (CHANGE IN OPEN INTEREST:         10)
      -6      -17       12        2       12        8        7        2        3

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    69.4     68.1     23.8      0.0      6.4     93.2     98.3      6.8      1.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
      16        6        8        1        3       21       13
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/09/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        6,063
COMMITMENTS
     216    1,782      472    5,346    3,732    6,034    5,986       29       77

CHANGES FROM 12/02/08 (CHANGE IN OPEN INTEREST:      2,135)
     112      156      231    1,892    1,822    2,236    2,209     -101      -74

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.6     29.4      7.8     88.2     61.6     99.5     98.7      0.5      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       3        6        5       15       12       21       20


Updated December 12, 2008