IDC Interactive Data Corp.

Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related services, today announced plans to webcast its Annual Meeting of Stockholders on Wednesday, May 21, 2008 at 10:00 a.m. ET. The Annual Meeting will be held at the Renaissance New York Times Square Hotel in New York City. Following the formal meeting, Stuart Clark, Interactive Data�s president and chief executive officer, will deliver a presentation highlighting the Company�s 2007 achievements and progress thus far in 2008, and hold a brief question-and-answer session. A live audio webcast, including presentation slides, will be available on the investor relations section of the Company's website (www.interactivedata.com). Investors participating in the live presentation through the webcast will be able to submit questions via email. A web archive of the event, including slides from the event, will be available at the same web address following the end of the event. 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. For more information about Interactive Data Corporation and its businesses, please visit www.interactivedata.com.