```
 
 
SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006261
FUTURES ONLY POSITIONS AS OF 03/02/10                         |
--------------------------------------------------------------| 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:       12,338
COMMITMENTS
  10,496      375        0    1,822   11,961   12,318   12,336       20        2

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:     -4,929)
      36     -200      -23   -4,724   -4,476   -4,711   -4,699     -218     -230

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    85.1      3.0      0.0     14.8     96.9     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       6        2        0        8       10       14       12
 
 
SULFUR FINANCIAL INSTR 2009 - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006265
FUTURES ONLY POSITIONS AS OF 03/02/10                         |
--------------------------------------------------------------| 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:       22,660
COMMITMENTS
  15,823    5,274    2,341    4,442   15,036   22,606   22,651       54        9

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:        862)
     698     -219      320      -81      835      937      936      -75      -74

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    69.8     23.3     10.3     19.6     66.4     99.8    100.0      0.2      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       4        4        2       13       12       19       16
 
 
CARBON FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE       Code-006268
FUTURES ONLY POSITIONS AS OF 03/02/10                         |
--------------------------------------------------------------| 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      562        1       51    1,844    2,224    2,407      184        1

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:          0)
       0      -50        0        0       50        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    90.2     23.3      0.0      2.1     76.6     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 03/02/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 RGGI CO2 ALLOWANCES)              OPEN INTEREST:        9,903
COMMITMENTS
     704       39       23    9,008    9,818    9,735    9,880      168       23

CHANGES FROM 02/23/10 (CHANGE IN OPEN INTEREST:     -2,555)
     -24       16      -26   -2,625   -2,528   -2,675   -2,538      120      -17

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.1      0.4      0.2     91.0     99.1     98.3     99.8      1.7      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       2        2        2       10        8       14       10
```

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Updated March 2, 2010