```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/07/10          |
--------------------------------------------------------------| 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:       15,057
COMMITMENTS
  10,511        0      100    4,426   14,938   15,037   15,038       20       19

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:       -861)
     -45     -142       50     -862     -767     -856     -859       -5       -2

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    69.8      0.0      0.7     29.4     99.2     99.9     99.9      0.1      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       6        0        2        5       13       11       15
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/07/10          |
--------------------------------------------------------------| 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:       24,561
COMMITMENTS
  18,612       39       56    5,848   24,448   24,517   24,544       44       17

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:     -1,241)
    -124        3       -9   -1,137   -1,247   -1,271   -1,253       30       12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    75.8      0.2      0.2     23.8     99.5     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
      12        1        3       14       15       27       18
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/07/10          |
--------------------------------------------------------------| 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:        5,758
COMMITMENTS
   4,908      822      578        0    4,336    5,486    5,736      272       22

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:        -40)
      11        0      -51        0        0      -40      -50        0       10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    85.2     14.3     10.0      0.0     75.3     95.3     99.6      4.7      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      19        1        6        0        2       20        8
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/07/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       11,974
COMMITMENTS
     621       69       17   11,320   11,865   11,958   11,951       16       23

CHANGES FROM 11/30/10 (CHANGE IN OPEN INTEREST:        -55)
      11      -10       -1      -50      -29      -40      -40      -15      -15

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.2      0.6      0.1     94.5     99.1     99.9     99.8      0.1      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       6        1        3        7        7       13       11
```

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Updated December 10, 2010