Primary Market Makers

• Banc of America Securities LLC (Bin 6)
• Bear, Stearns & Co. Inc. (Bin 5)
• Deutsche Banc Alex. Brown Inc. (Bin 9)
• Hull Trading Company, L.L.C. (Bin 2)
• KBC Adirondack Electronic Markets LLC (Bins 3, 8)
• Knight Financial Products LLC (Bin 1)
• Morgan Stanley & Co. Incorporated (Bin 10)
• Timber Hill LLC (Bin 4 & 7)