```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/23/10          |
--------------------------------------------------------------| 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:       17,267
COMMITMENTS
  10,460      575       23    6,546   16,437   17,029   17,035      238      232

CHANGES FROM 02/16/10 (CHANGE IN OPEN INTEREST:     -3,459)
  -2,973       67       23     -685   -3,743   -3,635   -3,653      176      194

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    60.6      3.3      0.1     37.9     95.2     98.6     98.7      1.4      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       6        3        1       13       16       19       20
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/23/10          |
--------------------------------------------------------------| 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:       24,223
COMMITMENTS
  16,058    5,118    2,512    5,525   16,511   24,094   24,140      129       83

CHANGES FROM 02/16/10 (CHANGE IN OPEN INTEREST:      5,271)
     541   -2,042    1,790    2,892    5,488    5,223    5,236       48       35

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.3     21.1     10.4     22.8     68.2     99.5     99.7      0.5      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       5        4        3       13       13       21       17
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/23/10          |
--------------------------------------------------------------| 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:        3,902
COMMITMENTS
   2,569      457    1,025       55    2,363    3,649    3,844      253       58

CHANGES FROM 02/16/10 (CHANGE IN OPEN INTEREST:       -295)
    -274      -11       -7       -2     -284     -283     -301      -12        6

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    65.8     11.7     26.3      1.4     60.6     93.5     98.5      6.5      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
      18        3        7        2        2       23        9
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/23/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:       12,458
COMMITMENTS
     728       23       49   11,633   12,346   12,410   12,418       48       40

CHANGES FROM 02/16/10 (CHANGE IN OPEN INTEREST:        146)
      -9      -35        4      125      137      120      106       26       40

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.8      0.2      0.4     93.4     99.1     99.6     99.7      0.4      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       3        1        2       12       10       16       12
```

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Updated February 26, 2010