```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY 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 TRADERS
    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
FUTURES ONLY 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:       21,798
COMMITMENTS
  15,125    5,493    2,021    4,523   14,201   21,669   21,715      129       83

CHANGES FROM 02/16/10 (CHANGE IN OPEN INTEREST:      5,478)
     729   -2,202    1,934    2,767    5,711    5,430    5,443       48       35

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    69.4     25.2      9.3     20.7     65.1     99.4     99.6      0.6      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       4        4        2       12       11       18       15
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY 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:        2,408
COMMITMENTS
   2,172      612        1       51    1,794    2,224    2,407      184        1

CHANGES FROM 02/16/10 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    90.2     25.4      0.0      2.1     74.5     92.4    100.0      7.6      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
      18        2        1        1        2       20        4
 
 
RGGI CO2 ALLOWANCE 2009 - CHICAGO CLIMATE FUTURES EXCHANGE           Code-00626U
FUTURES ONLY 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 TRADERS
     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