SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, May 20, 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 : 27,155: 10,536 3,702 574 15,807 22,739 26,917 27,015: 238 140 Old : 27,155: 10,536 3,702 574 15,807 22,739 26,917 27,015: 238 140 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: May 13, 2008 : : 1,471: 175 -287 -30 1,169 1,653 1,314 1,336: 157 135 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 38.8 13.6 2.1 58.2 83.7 99.1 99.5: 0.9 0.5 Old : 100.0: 38.8 13.6 2.1 58.2 83.7 99.1 99.5: 0.9 0.5 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 : 35: 15 7 12 12 13 31 28: Old : 35: 15 7 12 12 13 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 : 66.0 70.8 82.4 86.8 43.8 47.0 51.3 53.6 Old : 66.0 70.8 82.4 86.8 43.8 47.0 51.3 53.6 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 23, 2008