IDC Interactive Data Corp.

Interactive Data Corporation (NYSE: IDC), a leading provider of financial market data, analytics and related services, today announced that its Pricing and Reference Data business has named Marc Alvarez senior director, Reference Data Infrastructure. Alvarez, 45, will oversee the utilization and integration of the Company�s data sets, data models, workflows and technology capabilities to support its Reference Data strategy and maximize its opportunities in this market. Alvarez reports directly to Robin Simpson, managing director of Reference Data, and is based in the Company�s New York City office. �We are pleased to welcome Marc to the Interactive Data team, and believe that he will leverage his more than 20 years of market data expertise to further bring together our global information assets and help build upon our comprehensive suite of Reference Data offerings,� said Robin Simpson. �Marc�s leadership will be an integral part of our efforts to develop and deliver high quality products and services to meet the needs of our clients.� Alvarez joins Interactive Data from Asset Control, where he most recently served as vice president of products. He previously held the role of executive vice president, products and marketing at Tap Solutions, Inc., prior to its acquisition by Asset Control in April 2007. Alvarez also served in several product management capacities over a 12-year career at Reuters. He holds a bachelor�s degree in economics from The University of British Columbia and is the author of several publications, including �Market Data Explained: A Practical Guide to Global Capital Markets Information� (October 2006, Butterworth Books, London). 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 real-time market data, time-sensitive pricing, evaluations and reference data for millions of 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 2,300 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. Interactive Data Corporation is celebrating its 40th anniversary in 2008. Interactive Data Pricing and Reference Data provides global securities pricing, evaluations and reference data designed to support financial institutions� and investment funds� pricing activities, securities operations, research and portfolio management. Interactive Data Pricing and Reference Data collects, edits, maintains and delivers data on more than 6 million securities, including daily evaluations for approximately 2.5 million fixed income and international equity issues. Interactive Data Pricing and Reference Data specializes in �hard-to-get� information and evaluates many �hard-to value� instruments. Pricing, evaluations and reference data are provided in the U.S. through Interactive Data Pricing and Reference Data, Inc. and internationally through Interactive Data (Europe) Ltd. and Interactive Data (Australia) Pty Ltd. For more information about Interactive Data Corporation and its businesses, please visit www.interactivedata.com.