SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, May 1, 2007 ------------------------------------------------------------------------------------------------------------------- : 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 : 14,360: 3,238 84 605 9,671 12,816 13,514 13,505: 846 855 Old : 14,360: 3,238 84 605 9,671 12,816 13,514 13,505: 846 855 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: April 24, 2007 : : 254: -125 -65 10 20 -87 -95 -142: 349 396 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 22.5 0.6 4.2 67.3 89.2 94.1 94.0: 5.9 6.0 Old : 100.0: 22.5 0.6 4.2 67.3 89.2 94.1 94.0: 5.9 6.0 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 : 21: 8 2 4 9 9 18 14: Old : 21: 8 2 4 9 9 18 14: 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 : 79.1 86.2 90.4 92.0 49.2 53.6 53.8 55.2 Old : 79.1 86.2 90.4 92.0 49.2 53.6 53.8 55.2 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated April 27, 2007