SULFUR FINANCIAL INSTRUMENT - CHICAGO CLIMATE FUTURES EXCHANGE Code-006261 Commitments of Traders with Delta-adjusted Options and Futures Combined, April 1, 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 ALLOWANCES) : : : : All : 35,383: 9,924 2,931 3,414 21,967 28,974 35,305 35,319: 78 64 Old : 35,383: 9,924 2,931 3,414 21,967 28,974 35,305 35,319: 78 64 Other: 0: 0 0 0 0 0 0 0: 0 0 : : : : : Changes in Commitments from: March 25, 2008 : : 2,071: -197 -352 59 2,270 2,658 2,132 2,366: -61 -294 : : : : : Percent of Open Interest Represented by Each Category of Trader : All : 100.0: 28.0 8.3 9.6 62.1 81.9 99.8 99.8: 0.2 0.2 Old : 100.0: 28.0 8.3 9.6 62.1 81.9 99.8 99.8: 0.2 0.2 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 : 32: 11 8 13 13 13 30 28: Old : 32: 11 8 13 13 13 30 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 : 60.6 76.1 82.6 87.4 32.7 35.3 39.7 39.9 Old : 60.6 76.1 82.6 87.4 32.7 35.3 39.7 39.9 Other: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Updated April 4, 2008