SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 12/16/08                         |
--------------------------------------------------------------| 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:       33,564
COMMITMENTS
  19,653    5,837    1,292   12,594   26,395   33,539   33,524       25       40

CHANGES FROM 12/09/08 (CHANGE IN OPEN INTEREST:      1,639)
     -83       62     -292    1,997    1,867    1,622    1,637       17        2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    58.6     17.4      3.8     37.5     78.6     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
      10        9        8       12       16       25       30
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 12/16/08                         |
--------------------------------------------------------------| 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:        3,784
COMMITMENTS
   2,404    2,440      983        2      323    3,389    3,746      395       38

CHANGES FROM 12/09/08 (CHANGE IN OPEN INTEREST:          7)
       0        7        1        0        0        1        8        6       -1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    63.5     64.5     26.0      0.1      8.5     89.6     99.0     10.4      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      15        5        4        1        2       18        9
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 12/16/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        3,751
COMMITMENTS
     116    1,272      198    3,427    2,246    3,741    3,716       10       35

CHANGES FROM 12/09/08 (CHANGE IN OPEN INTEREST:        139)
      17     -433       12      111      565      140      144       -1       -5

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     3.1     33.9      5.3     91.4     59.9     99.7     99.1      0.3      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       3        5        4       11        9       17       15
 

Updated December 19, 2008