ISE Intl Secs Exchange Hldgs

The International Securities Exchange (NYSE: ISE) today announced the launch of a colocation service, providing ultra low-latency connectivity to ISE�s options and stock exchanges. With the colocation service, ISE member firms will be able to place their trading hardware in the same building as ISE�s data center, which will facilitate network transit times of less than 200 microseconds. �Through this colocation offering, there is now an ultra low-latency solution for market makers and high-frequency traders who conduct trading strategies where execution speeds are critical. This latest service underscores our ongoing commitment to ensure that our members have a range of customized alternatives to support their specific connectivity requirements,� said Daniel Friel, ISE�s Chief Information Officer. Quality Technology Services (QualityTech), the facilities management firm at ISE�s data center, is offering the colocation service in conjunction with ISE. QualityTech will connect members to the ISE servers located in the same building via a secure and certified cross-connect. They will also offer a range of related services including space, power, and a managed technology environment. To support its members in determining the appropriate connectivity solution for their particular trading needs, ISE offers a consultative service and referrals to the best and most flexible technology services and vendors. Information about all of ISE�s connectivity options is available at www.ise.com/connect. ISE Background International Securities Exchange Holdings, Inc. (NYSE: ISE), through its subsidiaries, operates a family of innovative securities markets. Founded on the principle that technology and competition create better, more efficient markets for investors, ISE consists of an options exchange, a stock exchange, an alternative markets platform, and a market data business. 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. About Quality Technology Services Quality Technology Services (QualityTech), a leading provider of Managed Services, Data Center facilities, and Professional Services to businesses, manages and operates more than 2 million square feet of data centers with a market value of over half-a-billion dollars. Services are delivered via a national footprint of secure state-of-the-art data centers, a high-performance backbone and content delivery network, and an ITIL-certified world-class services organization. QualityTech provides enterprises the ability to deploy, manage and scale their mission-critical IT operations for optimum performance and cost-efficiency. For more information about Quality Technology Services, please visit www.qualitytech.com or call toll free 866.210.8238.