Nat Sey Appointed General Manager of Interactive Data Managed Solutions' UK Business

London, 24 September 2008 – Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related services, today announced that Nat Sey has been appointed general manager of its Managed Solutions business in the UK. In this position, Sey will be responsible for managing the financial performance and strategic direction of Interactive Data Managed Solutions in the UK.

Reporting to Carsten Dirks, managing director, Interactive Data Managed Solutions, Sey will work with other parts of the Managed Solutions business in continental Europe and the US, analysing the market for requirements and opportunities, and helping to bring together the existing expertise across the company. Sey, who was most recently reference data business manager for Interactive Data’s Pricing and Reference Data business in Europe, will continue to be based in London.

Sey commented: “More and more firms are embracing the benefits to be had from moving applications from the local deployment model to the internet 'cloud'. Interactive Data Managed Solutions is capitalising on some of the latest web services technology and taking a fresh, innovative approach to tackling real business problems. As a result, we are working with many of the world’s largest banks, mutual and investment fund companies, stock exchanges and financial websites to help them differentiate themselves in the marketplace, respond efficiently to customer needs, optimise workflows and lower their capital and operating costs.

“The modular design of our solutions and our highly customised approach, together with the wealth of rich content and infrastructure at Interactive Data's disposal, present a compelling option for our clients,” Sey continued. “I am excited about the opportunity to expand the adoption of our Managed Solutions offerings in the UK.”

Having worked in the data provision industry for the past 18 years, Sey has held a variety of positions including managing customer service teams, project management and product management. As reference data business manager for Europe, Sey helped raise the profile of Interactive Data's reference data capabilities through building relationships with industry trade bodies, working groups and software vendors. During this time, Sey and his team were also responsible for engaging Interactive Data in the world of data standards and the delivery of its reference data services via the SWIFT network.

About Interactive Data Corporation

Interactive Data Corporation (NYSE: IDC) is a leading global provider of financial market data, analytics and related services 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. Through its businesses, Interactive Data Pricing and Reference Data, Interactive Data Real-Time Services, Interactive Data Fixed Income Analytics, and eSignal, the Company has approximately 2,300 employees in offices located throughout North America, Europe, Asia and Australia. The Company is headquartered in Bedford, Mass. 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 Corporation is celebrating its 40th anniversary in 2008.

Interactive Data Managed Solutions is a leading provider and operator of customized 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 optimize their business processes and realize efficiencies. Interactive Data Managed Solutions is managed as part of the Interactive Data 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.