International Securities Exchange Trades One-Millionth Contract

July 5, 2000

RTS Realtime Systems Group Announces Successful Completion of Conformance Tests for ISE Interface

June 15, 2000

International Securities Exchange Announces Additional Competitive Market Maker Assignments

May 26, 2000

International Securities Exchange Successfully Launches Trading

May 25, 2000

International Securities Exchange to Begin First Day of Trading

May 24, 2000

International Securities Exchange Joins the Options Clearing Corporation

May 23, 2000

International Securities Exchange Announces Options to be Traded at Launch May 26

May 15, 2000

International Securities Exchange Elects William A. Porter as Chairman and Ivers W. Riley as Vice Chairman

March 30, 2000

Adirondack Trading Partners and KBC Financial Products Sign Letter of Intent for Joint Venture

February 24, 2000

International Securities Exchange Approved by Securities and Exchange Commission First New Securities Exchange in Twenty-Seven Years

February 11, 2000

RTS Realtime Systems Group Chicago . Frankfurt . London . New York

February 10, 2000

International Securities Exchange Announces Tenth Primary & Additional Competitive Market Maker Assignments