```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/22/09          |
--------------------------------------------------------------| 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:       27,007
COMMITMENTS
  17,705    1,238      872    5,465   21,935   24,042   24,046    2,965    2,961

CHANGES FROM 12/15/09 (CHANGE IN OPEN INTEREST:     -7,355)
  -1,366     -290      -53   -8,860   -9,942  -10,280  -10,285    2,925    2,930

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    65.6      4.6      3.2     20.2     81.2     89.0     89.0     11.0     11.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
      10        5        3       13       13       23       21
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/22/09          |
--------------------------------------------------------------| 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:        4,678
COMMITMENTS
   2,899      431    1,229      239    2,926    4,367    4,586      311       92

CHANGES FROM 12/15/09 (CHANGE IN OPEN INTEREST:         -7)
      14       27      -25        6       -9       -5       -7       -3       -1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    62.0      9.2     26.3      5.1     62.5     93.4     98.0      6.6      2.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      20        4        8        2        5       25       14
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/22/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       38,325
COMMITMENTS
   2,284      653    1,533   34,478   36,125   38,294   38,310       31       15

CHANGES FROM 12/15/09 (CHANGE IN OPEN INTEREST:     -2,053)
      89      -69     -256   -1,813   -1,698   -1,981   -2,023      -72      -30

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.0      1.7      4.0     90.0     94.3     99.9    100.0      0.1      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       8        4        9       21       14       33       23
```

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Updated December 28, 2009