IDC Interactive Data Corp.

Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related services to financial institutions, active traders and individual investors, today announced that Stuart Clark, the Company�s president and chief executive officer, will present at the Sidoti & Company 12th Annual New York Emerging Growth Institutional Investor Forum in New York City on Tuesday, March 25, 2008. Clark plans to provide an overview of Interactive Data�s business, highlight the Company�s growth strategy and review recent financial results. Sidoti & Company 12th Annual New York Emerging Growth Institutional Investor Forum Location: New York City Date: Tuesday, March 25, 2008 Time: 11:00 a.m. Speaker: Stuart Clark, president and chief executive officer This presentation will be posted on the Investor Relations section of Interactive Data Corporation�s Web site, located at www.interactivedata.com. A calendar of the Company�s scheduled investor activities is also available in the Investor Relations section of the Interactive Data Corporation Web site. 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.