Interactive Data to Provide Access to Nyse Euronext’s cash Full Order Book

London and New York - 22 March 2010

Expanded Capabilities for Low-Latency Datafeed Provide More Comprehensive View into NYSE Euronext’s European Cash Markets

Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related solutions, today announced that its low-latency, consolidated datafeed, PlusFeedSM, now offers access to NYSE Euronext (NYX) Cash Full Order Book data. This service is designed to enable institutional traders to view the full market depth order book by disseminating each individual order, therefore offering an even greater level of transparency into NYSE Euronext’s European Cash Markets.

NYSE Euronext Cash Full Order Book provides full market by order depth for NYSE Euronext’s European equities. This new service complements Interactive Data’s current offering, which provides clients with access to NYSE OpenBook and NYSE Arca order book data. This data will also become available in PlusBook™, Interactive Data’s consolidated order book service.

“Many of our clients trade actively across NYSE Euronext’s venues, and this new full order book service is designed to offer them increased transparency of market activity,” said Jay Kilberg, managing director of Feed Solutions for Interactive Data. “We are dedicated to providing comprehensive, real-time data delivery solutions to help meet the diverse needs of our clients, and we aim to offer a choice of full or aggregated market depth data services.”

Interactive Data currently offers full market depth for several European and most major US markets via PlusFeed and continues its efforts to provide data solutions to help meet the increasing demand for order book data from the front office. This demand is predominantly fuelled by hedge funds, brokerage and trading firms involved in algorithmic and electronic trading, as well as clients engaged in advanced technical analysis of market data.

PlusFeed delivers data on over six million securities from more than 450 sources around the world, including multi-asset class instrument coverage and extensive Level 2 data. It is used by financial institutions worldwide to power algorithmic and electronic trading applications.

With more than 3,700 listed operating companies, NYSE Euronext's equities markets - the New York Stock Exchange, NYSE Euronext, NYSE Amex, NYSE Alternext and NYSE Arca - represent one-third of the world's equities trading, the most liquidity of any global exchange group.

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