SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 12/02/08                         |
--------------------------------------------------------------| 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:       31,471
COMMITMENTS
  19,893    5,886    1,851    9,644   23,663   31,388   31,400       83       71

CHANGES FROM 11/25/08 (CHANGE IN OPEN INTEREST:        -32)
     107     -941     -106     -109    1,076     -108       29       76      -61

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    63.2     18.7      5.9     30.6     75.2     99.7     99.8      0.3      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       41)
      10       12       10       10       16       26       32
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 12/02/08                         |
--------------------------------------------------------------| 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:        3,755
COMMITMENTS
   2,408    2,457      962        0      302    3,370    3,721      385       34

CHANGES FROM 11/25/08 (CHANGE IN OPEN INTEREST:     -1,930)
    -440      725     -521     -965   -2,088   -1,926   -1,884       -4      -46

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    64.1     65.4     25.6      0.0      8.0     89.7     99.1     10.3      0.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      15        5        4        0        2       17        9
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
FUTURES ONLY POSITIONS AS OF 12/02/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        2,667
COMMITMENTS
      65    1,655        9    2,471      889    2,545    2,553      122      114

CHANGES FROM 11/25/08 (CHANGE IN OPEN INTEREST:          8)
    -120       30        0      120      -30        0        0        8        8

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     2.4     62.1      0.3     92.7     33.3     95.4     95.7      4.6      4.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        6        1       11        7       14       13
 

Updated December 05, 2008