Interactive Data Adds New Exchange Content to PrimeTerminal

Coverage further enhanced to offer wide range of emerging markets

Frankfurt, Germany - September 30, 2009 – Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related solutions, today announced that its Managed Solutions business has added approximately 40 exchanges to the coverage available via PrimeTerminal Professional Edition, its web-based market data terminal. This latest content substantially expands PrimeTerminal’s coverage of emerging markets.

The new exchanges added are located in South America, Africa, the Middle East and the Asia-Pacific region, and include Columbia, Dubai, Kuwait, Mauritius, Pakistan and the Philippines. Further European exchanges have also been added, including Malta and Cyprus.

The data from the additional venues mainly consists of end-of-day share quotes, with further enhancements underway. These optional data packages are designed to help financial institutions with branches in emerging markets, or firms seeking to investigate niche markets, such as commodities.

“Many of our clients have a strong interest in emerging markets, especially those in Middle East and Asia,” said Carsten Dirks, managing director of Interactive Data’s Managed Solutions business. “With the addition of around 40 new exchanges, PrimeTerminal now offers users a broad overview of emerging market activities.”

PrimeTerminal Professional Edition is a customisable, easy-to-use financial market terminal that can be tailored to the investment, advisory and sales processes of users in the private banking and asset management sectors. PrimeTerminal provides access to real-time quotes, historical and master data, risk figures, performance indicators, company data, annual reports and analyst appraisals and can also interface with the users’ internal data, content management and customer relationship management systems.

About Interactive Data Corporation

Interactive Data Corporation (NYSE: IDC) is a leading global provider of financial market data, analytics and related solutions to financial institutions, active traders and individual investors. The Company's businesses supply real-time market data, time-sensitive pricing, evaluations and reference data for millions of securities traded around the world, including hard-to-value instruments. Many of the world's best-known financial service and software companies subscribe to the Company's services in support of their trading, analysis, portfolio management and valuation activities. Interactive Data, headquartered in Bedford, Mass., has approximately 2,400 employees in offices located throughout North America, Europe, Asia and Australia. Pearson plc (NYSE: PSO; LSE: PSON), an international media company, whose businesses include the Financial Times Group, Pearson Education, and the Penguin Group, is Interactive Data Corporation's majority stockholder.

Interactive Data’s Managed Solutions business is a leading provider and operator of customised financial information systems. The group builds and manages Web-based financial market data portals and terminals for a range of organizations worldwide, from retail and investment banks to asset managers, online brokers, stock exchanges and media portals. By aggregating a broad set of financial data and client-proprietary content and offering visually stunning features such as charts, sophisticated search functions, decision-support tools and analytics, these intuitive applications can help customers optimise their business processes and realise efficiencies. This group is managed as part of the Interactive Data’s Real-Time Services business, which provides a comprehensive suite of offerings that includes PlusFeed^SM, a consolidated, low-latency digital datafeed.

For more information about Interactive Data Corporation and its businesses, please visit www.interactivedata.com.

Interactive Data^SM and the Interactive Data logo are service marks of Interactive Data Corporation.