SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, May 6, 2008 ------------------------------------------------------------------------------------------------------------------- : Total : Reportable Positions : Nonreportable :---------------------------------------------------------------------------------------- Positions : Open : Non-Commercial : Commercial : Total : : Interest : Long : Short : Spreading: Long : Short : Long : Short : Long : Short ------------------------------------------------------------------------------------------------------------------- : : (CONTRACTS OF 25 U.S. EPA SO2 EMMISSION ALLOWANCES) : : : : All : 37,800: 10,707 4,100 3,058 23,955 30,596 37,720 37,753: 80 47 Old : 37,800: 10,707 4,100 3,058 23,955 30,596 37,720 37,753: 80 47 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: April 29, 2008 : : -871: 45 813 -1,409 1,002 297 -362 -299: -508 -572 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 28.3 10.8 8.1 63.4 80.9 99.8 99.9: 0.2 0.1 Old : 100.0: 28.3 10.8 8.1 63.4 80.9 99.8 99.9: 0.2 0.1 Other: 100.0: 0.0 0.0 0.0 0.0 0.0 0.0 0.0: 0.0 0.0 : : : :# Traders : Number of Traders in Each Category : All : 33: 11 8 12 14 14 31 28: Old : 33: 11 8 12 14 14 31 28: Other: 0: 0 0 0 0 0 0 0: :---------------------------------------------------------------------------------------------------- : Percent of Open Interest Held by the Indicated Number of the Largest Traders : By Gross Position By Net Position : 4 or Less Traders 8 or Less Traders 4 or Less Traders 8 or Less Traders : Long: Short Long Short: Long Short Long Short :---------------------------------------------------------------------------------------------------- All : 60.2 73.4 82.1 88.4 34.7 37.0 41.5 41.5 Old : 60.2 73.4 82.1 88.4 34.7 37.0 41.5 41.5 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 9, 2008