INTERACTIVE DATA : Integrates NASDAQ Basic into Market-Q and PlusFeed

Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related solutions and the NASDAQ OMX Group, Inc. (NASDAQ:NDAQ) announced today that NASDAQ Basic is now available through Market-Q^SM and PlusFeed^SM.

In a recent awards ceremony hosted by Inside Market Data, NASDAQ Basic was named ?Best New Product? for 2010. As a real-time data product, NASDAQ Basic provides customers with essential quote and trade data for all U.S. exchange-listed securities in an affordable and flexible manner. NASDAQ Basic data is based on trade reports from the NASDAQ^® Market Center and the FINRA/NASDAQ Trade Reporting Facility^TM (TRF^TM).

Market-Q delivers data via a fully-hosted, Java browser-based, real-time desktop terminal. PlusFeed, a low-latency data feed that delivers data on over six million securities from more than 450 sources around the world, offers multi-asset class instrument coverage and extensive depth data. With the addition of NASDAQ Basic to each platform, Interactive Data's clients can enjoy direct access to a faster, lower-cost alternative to Level 1 plan data and similar services

"NASDAQ Basic gives institutions access to key U.S. market data in a cost-effective and efficient manner,? said Randall Hopkins, Senior Vice President, NASDAQ OMX Global Data Products. ?The integration of NASDAQ Basic into two of Interactive Data's delivery platforms underscores Interactive Data's commitment to serving its clients by offering lower cost alternatives without compromising quality.?

NASDAQ Basic data includes securities listed on NASDAQ, NYSE, NYSE Amex securities based on liquidity from the NASDAQ Market Center and the FINRA/NASDAQ TRF. NASDAQ Basic can be deployed in a variety of investor tools, such as last sale displays, charts and portfolio trackers. Interactive Data offers NASDAQ Basic in two packages: NASDAQ Basic for NASDAQ, and NASDAQ Basic for NYSE and NYSE Amex.

?Interactive Data is committed to providing cost-effective data delivery offerings, and the integration of NASDAQ Basic into our platforms provides clients with an alternative to subscribing to all of the U.S. equity exchanges,? said Jeff Banker, executive vice president, Real-Time Market Data and Trading Solutions for Interactive Data. ?Market-Q and PlusFeed are among a select number of offerings in the marketplace that currently integrate NASDAQ Basic.?

About Interactive Data Corporation

Interactive Data Corporation (NYSE: IDC) is a trusted leader in financial information. Thousands of financial institutions and active traders, as well as hundreds of software and service providers, subscribe to our fixed income evaluations, reference data, real-time market data, trading infrastructure services, fixed income analytics, desktop solutions and web-based solutions. Interactive Data's offerings can help clients around the world with mission-critical functions, including portfolio valuation, regulatory compliance, risk management, electronic trading and wealth management. Interactive Data is headquartered in Bedford, Massachusetts and has more than 2,400 employees in offices worldwide. Pearson plc (NYSE: PSO; LSE: PSON), an international media company, is Interactive Data's majority stockholder.

For more information, please visit www.interactivedata.com.

About NASDAQ OMX

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with more than 3,600 listed companies. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market, NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North, and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and exchange-traded funds. NASDAQ OMX technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit http://www.nasdaqomx.com. Please follow NASDAQ OMX on Facebook (http://www.facebook.com/nasdaqomx) and Twitter (http://www.twitter.com/nasdaqomx).

Cautionary Note Regarding Forward-Looking Statements

The matters described herein contain forward-looking statements that are made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements include, but are not limited to, statements about NASDAQ OMX's potential strategic partnerships, products and offerings. We caution that these statements are not guarantees of future performance. Actual results may differ materially from those expressed or implied in the forward-looking statements. Forward-looking statements involve a number of risks, uncertainties or other factors beyond NASDAQ OMX's control. These factors include, but are not limited to, factors detailed in NASDAQ OMX's annual report on Form 10-K and periodic reports filed with the U.S. Securities and Exchange Commission. We undertake no obligation to release any revisions to any forward-looking statements.

Investors
Interactive Data
Andrew Kramer, 781-687-8306
Email: [e-mail]
or
Media
(US media)
Brian Willinsky, 781-687-8291
Email: [e-mail]
or
(European media)
Eoin Bedford
Tel: [phone]
Email: [e-mail]
or
NASDAQ OMX
Wayne Lee, 301-978-4875
[e-mail]