SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders - Futures Only, May 22, 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 : 15,701: 3,912 772 347 11,280 14,488 15,539 15,607: 162 94 Old : 15,701: 3,912 772 347 11,280 14,488 15,539 15,607: 162 94 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: May 15, 2007 : : 398: 488 -69 154 -280 1,075 362 1,160: 36 -762 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 24.9 4.9 2.2 71.8 92.3 99.0 99.4: 1.0 0.6 Old : 100.0: 24.9 4.9 2.2 71.8 92.3 99.0 99.4: 1.0 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 : 30: 13 6 5 11 9 26 18: Old : 30: 13 6 5 11 9 26 18: 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 : 78.2 85.8 89.2 93.8 49.9 51.5 54.8 56.4 Old : 78.2 85.8 89.2 93.8 49.9 51.5 54.8 56.4 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated May 25, 2007