IN DELIVERY MONTH EUA - GREEN EXCHANGE                               Code-006GEC
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/07/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 EUA)                              OPEN INTEREST:       91,082
COMMITMENTS
   9,566      283    3,938   77,578   86,861   91,082   91,082       -0        0

CHANGES FROM 07/31/12 (CHANGE IN OPEN INTEREST:        670)
    -400        0      250      820      420      670      670       -0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.5      0.3      4.3     85.2     95.4    100.0    100.0     -0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       3        3        4        9       13       14       18
 

Updated August 10, 2012