```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/17/09          |
--------------------------------------------------------------| 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:       24,050
COMMITMENTS
  15,701      557    1,092    7,116   22,301   23,909   23,950      141      100

CHANGES FROM 03/10/09 (CHANGE IN OPEN INTEREST:      2,084)
      81     -338      273    1,648    2,077    2,002    2,013       82       71

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    65.3      2.3      4.5     29.6     92.7     99.4     99.6      0.6      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       8        5        7       16       18       28       26
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/17/09          |
--------------------------------------------------------------| 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:        9,340
COMMITMENTS
   5,733    1,722    3,123      130    4,416    8,985    9,261      355       79

CHANGES FROM 03/10/09 (CHANGE IN OPEN INTEREST:        764)
     644      144      133        0      529      777      807      -13      -43

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    61.4     18.4     33.4      1.4     47.3     96.2     99.2      3.8      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
      23        5       12        2        5       29       18
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/17/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       10,773
COMMITMENTS
     592    2,702    1,429    8,663    6,513   10,684   10,643       89      130

CHANGES FROM 03/10/09 (CHANGE IN OPEN INTEREST:        849)
    -199      424       87    1,012      380      900      890      -51      -42

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.5     25.1     13.3     80.4     60.5     99.2     98.8      0.8      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       4        5        6       18       13       26       20
```

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Updated March 20, 2009