```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/24/09          |
--------------------------------------------------------------| 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:       22,645
COMMITMENTS
  15,530    3,639      727    6,340   18,253   22,597   22,619       48       26

CHANGES FROM 02/17/09 (CHANGE IN OPEN INTEREST:       -768)
      63      -51       92     -948     -816     -792     -775       24        7

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    68.6     16.1      3.2     28.0     80.6     99.8     99.9      0.2      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       7        8        7       16       15       27       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/24/09          |
--------------------------------------------------------------| 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:        5,842
COMMITMENTS
   3,424    2,645    2,028       30    1,077    5,482    5,750      360       92

CHANGES FROM 02/17/09 (CHANGE IN OPEN INTEREST:     -1,390)
  -1,546   -1,484      187        0      -93   -1,358   -1,389      -32       -1

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    58.6     45.3     34.7      0.5     18.4     93.8     98.4      6.2      1.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
      18        7        8        1        3       22       15
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/24/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        9,402
COMMITMENTS
     785    2,802    1,044    7,509    5,520    9,337    9,366       65       36

CHANGES FROM 02/17/09 (CHANGE IN OPEN INTEREST:        994)
     139      400      241      557      328      937      968       57       26

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.3     29.8     11.1     79.9     58.7     99.3     99.6      0.7      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       4        4        6       17       13       25       19
```

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Updated February 27, 2009