SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, December 11, 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 : 18,370: 8,630 4,893 712 8,549 12,564 17,891 18,169: 479 201 Old : 18,370: 8,630 4,893 712 8,549 12,564 17,891 18,169: 479 201 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: December 4, 2007 : : -73: 790 -106 110 -1,438 -230 -538 -226: 465 153 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 47.0 26.6 3.9 46.5 68.4 97.4 98.9: 2.6 1.1 Old : 100.0: 47.0 26.6 3.9 46.5 68.4 97.4 98.9: 2.6 1.1 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 : 35: 12 11 8 8 12 22 29: Old : 35: 12 11 8 8 12 22 29: 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 : 63.5 62.0 83.3 79.6 55.7 50.1 67.6 63.7 Old : 63.5 62.0 83.3 79.6 55.7 50.1 67.6 63.7 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated December 14, 2007