ComStock and Comcast Deliver Global Financial Market Information and Professional Finance Tools to Comcast High-Speed Internet Customers at comcast.net.

Business Editors

NEW YORK & PHILADELPHIA--(BUSINESS WIRE)--Sept. 18, 2003

      eFinance Solutions' Quotes, Charts, News and More Available
     to Comcast High-Speed Internet Customers on Comcast's Premier
                        Broadband Customer Site

Comcast and ComStock, a division of Interactive Data Corporation (NYSE: IDC) and a leading provider of real-time global market data, are providing eFinance Solutions' customized financial market information to Comcast High-Speed Internet customers via Comcast's premier customer broadband destination site at www.comcast.net. Comcast Internet customers can use their broadband connections to easily personalize their portfolios with eFinance Solutions' brokerage-class financial tools with one-click access to their personal stock watch list, e-mail price alerts and advanced charting and comparison tools.

eFinance Solutions are a suite of Internet-based market data services comprised of advanced tools and analytical content. eFinance Solutions is powered by ComStock's real-time global data feed, XpressFeed, which delivers access to more than 180 sources and exchanges and more than 1.8 million instruments, covering all asset classes.

"We worked with Comcast to select a content set from our very broad and deep reservoir of market information that would meet the needs of Comcast High-Speed Internet customers," said Don Finucane, vice president of Marketing and Product Management at ComStock. "The scalability and high-performance design of the service meets professionals' standards and makes the offering compelling for Comcast's residential customers."

"Comcast is dedicated to delivering best-in-class services for our Comcast High-Speed Internet customers that further enrich their online experience," said Greg Butz, senior vice president of Marketing and Business Development for Comcast. "ComStock's solution with its full array of customizable applications and graphics-rich content make the offering perfect for Comcast's broadband Internet service."

Through eFinance Solutions, Comcast customers will receive a wide array of fully customizable and comprehensive financial market information that is well suited for use with a broadband connection. eFinance Solutions that are available to Comcast High-Speed Internet customers include:

-- Interactive Charts - All quote data, colors, data fields, and

columns can be customized to the users individual preference.

-- Detailed Quotes - Provides subscribers with an in-depth view

of the key quote information on the security as well the P/E 

Ratio, 52-Week High, 52-Week Low, Earnings Per Share, Yield,

Ex Date, Dividend, and Sector.

-- News - Users can get the news that moves the market, as it

happens. News headlines keep users informed of breaking news

from over 80 premier news providers to cover more than 15,000

news articles per day covering all major exchanges and all

financial topics.

-- Portfolios - Users can track the value of any portfolio as the

market moves

-- Alerts - Alerts can be set on multiple parameters including

price limits, volume, news stories and more. Notification of

alerts can be sent via email or by viewing the monitoring

screen.

Additional eFinance features include: Watchlists, Sector Performance, Gainers/Losers, Most Actives, Index Performance, and more.

About eFinance Solutions

eFinance Solutions represent a suite of modular, global market data components that leverage ComStock's breadth and depth of market data with a highly flexible web services architecture.

eFinance Solutions is built on a proprietary platform specifically engineered for high-end critical market data applications with redundant systems and sophisticated monitoring tools that enable real-time tracking of the complete infrastructure, including all back-end parsers, web servers, client requests, streaming data, and more. The modular nature of the eFinance Solutions platform facilitates the rapid development of customized components utilizing the underlying content management system along with web services technology. eFinance Solutions offers comprehensive permissioning, authentication and entitlement facilities for seamlessly integrating eFinance components with conventional market data infrastructures.

About ComStock

ComStock, a division of Interactive Data Corporation, (www.comstock-interactivedata.com) is a leading provider of real-time global financial information to financial institutions, financial information re-distributors and online media portals worldwide. ComStock's suite of services ranges from a real-time datafeed, to fully customized and hosted market data solutions.

Interactive Data Corporation (NYSE: IDC) (www.InteractiveDataCorp.com) is a leading global provider of mission-critical financial and business information to institutional and retail investors. Headquartered in Bedford, Massachusetts, Interactive Data Corporation has approximately 1,800 employees in offices throughout the world.

Interactive Data Corporation is approximately 60 per cent owned by Pearson plc and included within its Financial Times Group. Other Financial Times Group companies include the Financial Times newspaper, FT.com and Financial Times Business. Pearson plc is an international media company with market leading businesses in education, business information and consumer publishing.

About Comcast

Headquartered in Philadelphia, Comcast Cable is a division of Comcast Corporation, a developer, manager and operator of broadband cable networks and provider of programming content. Operating in 17 of the United States' 20 largest metropolitan areas, Comcast is one of the leading communications, media and entertainment companies in the world. Providing basic cable, Digital Cable, high-speed Internet and telephone services, Comcast is the company to look to first for the communications products and services that connect people to what's important in their lives. The company's 55,000 employees, in six divisions, serve more than 21 million customers.