```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/10/09          |
--------------------------------------------------------------| 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:       21,967
COMMITMENTS
  15,620      895      819    5,469   20,224   21,908   21,938       59       29

CHANGES FROM 03/03/09 (CHANGE IN OPEN INTEREST:       -854)
    -132   -2,538      -88     -569    1,823     -788     -802      -66      -52

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    71.1      4.1      3.7     24.9     92.1     99.7     99.9      0.3      0.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       8        6        6       15       19       26       28
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/10/09          |
--------------------------------------------------------------| 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:        8,576
COMMITMENTS
   5,089    1,578    2,989      130    3,887    8,208    8,454      368      122

CHANGES FROM 03/03/09 (CHANGE IN OPEN INTEREST:       -513)
    -539     -431       42        0     -154     -497     -543      -16       30

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    59.3     18.4     34.9      1.5     45.3     95.7     98.6      4.3      1.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
      23        5       11        2        4       28       17
 
 
RGGI CO2 ALLOWANCE - CHICAGO CLIMATE FUTURES EXCHANGE                Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/10/09          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        9,924
COMMITMENTS
     791    2,278    1,342    7,651    6,132    9,784    9,752      140      172

CHANGES FROM 03/03/09 (CHANGE IN OPEN INTEREST:        819)
     -50     -151      101      684      763      735      713       85      107

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.0     23.0     13.5     77.1     61.8     98.6     98.3      1.4      1.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       4        4        6       17       13       25       19
```

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Updated March 13, 2009