IDC Interactive Data Corp.

Interactive Data Corporation (NYSE: IDC) today announced that Stuart Clark, the Company's president and chief executive officer, will present at the following investor conferences: -0- *T Piper Jaffray 7th Annual Technology Conference Location: New York City Date: Thursday, May 12, 2005 Time: 12:30 p.m. Speaker: Stuart Clark, president and chief executive officer Sidoti & Company 2nd Annual Emerging Growth Forum Location: Boston Date: Tuesday, June 7, 2005 Time: 1:30 p.m. Speaker: Stuart Clark, president and chief executive officer *T These presentations will be webcast live and available for replay on the Investor Relations section of Interactive Data Corporation's Web site later that day. A calendar of the Company's scheduled investor activities is available in the Investor Relations section of the Interactive Data Corporation Web site, located at www.interactivedata.com. About Interactive Data Corporation Interactive Data Corporation is a leading global provider of securities pricing, financial information, and analytic tools to institutional and individual investors. The Company supplies time-sensitive pricing (including evaluated pricing), dividend, corporate action, and descriptive information 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. Interactive Data Corporation is headquartered in Bedford, Massachusetts. Through its branded businesses, FT Interactive Data, ComStock, CMS BondEdge, and eSignal, Interactive Data Corporation has approximately 1,800 employees in offices located throughout North America, Europe, Asia, and Australia. Pearson plc (NYSE: PSO), an international media company, whose businesses include the Financial Times Group, Pearson Education, and the Penguin Group, owns approximately 60 percent of the outstanding common stock of Interactive Data Corporation.