IDC Interactive Data Corp.

Interactive Data Corporation (NYSE:IDC) will release its second-quarter 2005 results before the market opens on Thursday, July 21, 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 July 21, 2005 at 2:00 p.m. until Thursday, August 4, 2005 at 2:00 p.m., and can be accessed by dialing (706) 645-9291 or (800) 642-1687, using access code 7483083. A live webcast of the conference call will be broadcast on the Company's Web site, www.interactivedata.com. An audio replay of the call 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 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.