IDC Interactive Data Corp.

Interactive Data Corporation (NYSE:IDC) will release its fourth-quarter and full-year 2006 results before the market opens on Thursday, February 22, 2007. 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 6099633. For those who cannot listen to the live broadcast, a replay of the call will be available from February 22 at 2:00 p.m. until Thursday, March 8, 2007 at 2:00 p.m., and can be accessed by dialing (706) 645-9291 or (800) 642-1687, using access code 6099633. 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, FT Interactive Data, ComStock, CMS BondEdge and eSignal, Interactive Data has approximately 2,200 employees in offices located throughout North America, Europe, Asia and Australia, and is headquartered in Bedford, MA. 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. For more information, please visit www.interactivedata.com. The FT Interactive Data business includes FT Interactive Data Corporation, a Delaware corporation. The ComStock business includes ComStock, Inc., a New York corporation.