ISE and SuperDerivatives Establish Marketing Alliance

NEW YORK, November 8, 2005 – The International Securities Exchange (NYSE: ISE) and SuperDerivatives®, announced today that the companies have established a marketing and sales alliance to jointly promote their products and services. In the coming weeks, the two companies will proactively reach out to investors about the benefits of this new relationship.

SuperDerivatives provides tools that allow accurate pricing and monitoring of derivative portfolios, including SD-EQâ„¢, its equity options pricing system for options pricing, risk management and independent revaluations. SD-EQ is designed to be a bridge between the exchange-traded and over-the-counter (OTC) markets, enabling investors to easily price options and manage their options on US stocks denominated in their own currencies. Accurate prices for all equity options, combined with risk management tools and accurate end of day revaluations will promote increased transparency in the exotic and OTC options market.

"We look forward to working with SuperDerivatives to offer investors their enhanced options pricing model. While many investors appreciate the advantages of using equity options to hedge portfolios, in some cases the lack of transparency for pricing of more exotic, OTC instruments may minimize their willingness to use them. We believe that by further promoting innovative pricing models in the market, we can continue to improve the level of transparency and liquidity in equity options," states Bruce Goldberg, chief marketing officer of ISE.

"ISE, the first all-electronic US equity options exchange, has had a huge impact in making the market more transparent and accessible. Similarly, SuperDerivatives has revolutionized pricing in the once opaque foreign exchange market. Together, we intend to bring the same benefits to the equity options market. By making accurate option pricing tools available to everyone through our SD-EQ product, we believe the market will further expand as all users will be able to price any US equity option in real-time as accurately as the most sophisticated traders in the top-tier investment houses" adds David Gershon, chief executive officer of SuperDerivatives.

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