IDC Interactive Data Corp.

Interactive Data Corporation (NYSE:IDC) will release its fourth-quarter and full-year 2005 results before the market opens on Thursday, February 23, 2005. The Company has scheduled a conference call for 11:00 a.m. ET on the same day. The dial-in number for the conference call is (706) 679-4631. No access code is required. For those who cannot listen to the live broadcast, a replay of the call will be available from February 23 at 2:00 p.m. until Thursday, March 9, 2005 at 2:00 p.m., and can be accessed by dialing (706) 645-9291 or (800) 642-1687, using access code 4535025. A live webcast of the conference call, along with related slides, will be broadcast on the Company's Web site, www.interactivedata.com. A replay of the call and the related slides will also be available on the Company's Web site after the call is completed. 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 2,100 employees in offices located in 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. The FT Interactive Data business includes FT Interactive Data Corporation, a Delaware corporation. The ComStock business includes ComStock, Inc., a New York corporation.