Open Interest In ISE FX Options Exceeds 100,000 Contracts - Average Daily Volume Reaches 2,958 Contracts

The International Securities Exchange (NYSE: ISE) said today that open interest in ISE FX Options(SM) has reached 103,910 contracts. ISE introduced its FX options product on April 17, 2007 with trading in four currency pairs: U.S. Dollar/Euro (Symbol: EUI), U.S. Dollar/British Pound (Symbol: BPX), U.S. Dollar/Japanese Yen (Symbol: YUK), and U.S. Dollar/Canadian Dollar (Symbol: CDD). Average daily volume (ADV) in ISE FX Options was 2,958 contracts for the past two months.

ISE FX Options provide investors with a new security product to gain exposure to movements in the global foreign currency markets. As exchange-listed securities, ISE FX Options can be easily accessed through all options-enabled brokerage accounts. These products are cash-settled in U.S. Dollars and have European style exercise.

Timber Hill LLC is the Primary Market Maker in these products. Competitive Market Makers include Citigroup Derivatives Markets Inc., Lehman Brothers Inc., and Optiver US, LLC.

ISE is hosting a summer webinar series for investors interested in learning more about ISE FX Options. To sign-up for upcoming webinars and to view an online tutorial, please visit www.ise.com/fx.