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 the Company will participate at the following investor conference: Sidoti & Company 11th Annual New York Emerging Growth Institutional Investor Forum Location: New York Date: Tuesday, March 27, 2007 Time: 8:30 a.m. Speaker: Andrew Hajducky, Executive Vice President and Chief Financial Officer The presentation will be made available 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 time-sensitive pricing, evaluations and reference data for more than 3.5 million 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 2,200 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, owns approximately 62 percent of the outstanding common stock of Interactive Data Corporation.