ISE Announces Record Daily Trading Volume

  
    
  
  
    
      The International Securities Exchange (NYSE: ISE) today announced that 
      both its options exchange and stock exchange set daily trading volume 
      records on Thursday, August 16, 2007:
    
    
      
        6,532,403 equity, index and FX options contracts traded on ISE’s 
        options exchange, surpassing the previous record of 6,226,821 
        contracts set on July 27, 2007.
      
      
        ISE also reached a new volume record for index options of 243,572 
        contracts compared to the previous record of 212,447 contracts 
        established on August 8, 2007.
      
      
        Trading volume on the ISE Stock Exchange was 77,439,600, exceeding the 
        previous record of 53,233,000 set on August 9, 2007.
      
    
    
      ISE Background
    
    
      International Securities Exchange Holdings, Inc. (NYSE: ISE), through 
      its subsidiaries, operates a family of innovative securities markets. 
      ISE is founded on the principle that technology and competition create 
      better, more efficient markets for investors and consists of an options 
      exchange, a stock exchange and an alternative markets platform. ISE 
      continually enhances its trading systems and develops new products to 
      provide investors with the best marketplace and investment tools to 
      trade smarter.
    
    
      ISE developed a unique market structure for advanced screen-based 
      trading systems and in May 2000 launched the first fully electronic US 
      options exchange. Currently, ISE operates the world’s 
      largest equity options exchange. ISE offers index options, including a 
      portfolio of proprietary index products, and enhanced market data 
      products for sophisticated investors. ISE FX OptionsSM 
      launched in the second quarter of 2007.
    
    
      ISE Stock Exchange, launched in September 2006, is a completely 
      electronic marketplace and the only dual structure platform that 
      integrates a dark pool, MidPoint MatchSM, with a 
      fully displayed stock market. Midpoint Match is a proprietary, 
      non-displayed market that trades equity securities at the midpoint 
      between the National Best Bid and Offer (NBBO).
    
    
      ISE’s alternative markets business currently 
      consists of an events market trading platform known as Longitude. 
      Longitude’s patented and proprietary 
      technology provides a unique parimutuel structure for derivatives 
      auctions which results in greater trading and pricing flexibility for 
      market participants.
    
    
      For more information about ISE, visit www.ise.com.