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 release its fourth-quarter and full-year 2007 results before the market opens on Thursday, February 21, 2008. 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 and the related access code is 31148775. For those who cannot listen to the live broadcast, a replay of the call will be available from February 21 at 2:00 p.m. until Thursday, March 6, 2008 at 2:00 p.m., and it can be accessed by dialing (706) 645-9291 or (800) 642-1687, using access code 31148775. 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 (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, is Interactive Data Corporation's majority stockholder. For more information about Interactive Data Corporation and its businesses, please visit www.interactivedata.com.