NRG Energy, Inc. - Revised / Extended Exchange Offer
Adjusted Thinkorswim Group Inc. - Cash In Lieu Settlement
Adjusted Sun Microsystems, Inc. - Anticipated Further Adjustment
Sun Microsystems, Inc. - Anticipated Cash Settlement
Sun Microsystems, Inc. - Anticipated Cash Settlement (Futures)
CBOE S&P 500 Index Leaps - Symbol Conversion
Myriad Genetics, Inc. - Distribution / Settlement *Update*