IN DELIVERY MONTH EUA - GREEN EXCHANGE                               Code-006GEC
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/31/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1000 EUA)                              OPEN INTEREST:       90,412
COMMITMENTS
   9,966      283    3,688   76,758   86,441   90,412   90,412        0        0

CHANGES FROM 07/24/12 (CHANGE IN OPEN INTEREST:        729)
  -1,375        0      773    1,331      -44      729      729        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.0      0.3      4.1     84.9     95.6    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 3, 2012