The Archipelago Exchange(R) (ArcaEx(R)), the nation's first totally open, all-electronic stock exchange, today announced that the ArcaEx Tech 100 Index(R) will replace three constituents in the index as a result of recent mergers and acquisitions. The changes are effective as of index open on January 30, 2006.
Leaving the index as a result of recent corporate actions: Chiron Corporation (Nasdaq: CHIR); Scientific-Atlanta, Inc. (NYSE: SFA) and Siebel Systems, Inc. (Nasdaq: SEBL).
New constituents to the Index: Hyperion Solutions Corporation (Nasdaq: HYSL); Jabil Circuit, Inc. (NYSE: JBL) and Novartis AG (NYSE: NVS).
