SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, April 22, 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 : : : : All : 25,761: 10,118 3,071 1,806 13,725 20,718 25,649 25,595: 112 166 Old : 25,761: 10,118 3,071 1,806 13,725 20,718 25,649 25,595: 112 166 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: April 15, 2008 : : 2,102: 117 -586 1,179 823 1,483 2,119 2,076: -17 26 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 39.3 11.9 7.0 53.3 80.4 99.6 99.4: 0.4 0.6 Old : 100.0: 39.3 11.9 7.0 53.3 80.4 99.6 99.4: 0.4 0.6 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 : 31: 8 9 7 12 13 24 25: Old : 31: 8 9 7 12 13 24 25: 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 : 66.3 71.5 85.9 85.7 53.3 50.7 62.6 58.9 Old : 66.3 71.5 85.9 85.7 53.3 50.7 62.6 58.9 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated April 25, 2008