International Securities Exchange To Present At Sandler O'Neill & Partners, L.P. 2005 Financial Services Conference

The International Securities Exchange (NYSE: ISE) said today that David Krell, President and Chief Executive Officer, will present at the Sandler O'Neill & Partners, L.P. 2005 Financial Services Conference on Wednesday, June 8, 2005 at 11:15 a.m. ET.

An audio webcast of the presentation will be broadcast live on the Investor Relations section of ISE's website at www.iseoptions.com. An archived replay of the event will be available on the website for 30 days, beginning on June 10, 2005.