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's executives will present at the following investor conferences: -0- *T Piper Jaffray Software and Business Services Conference Location: New York City, NY Date: Thursday, September 7, 2006 Time: 11:20 a.m. Speakers: Stuart Clark, President and Chief Executive Officer Andrew Hajducky, Executive Vice President and Chief Financial Officer Sidoti & Company 5th Annual West Coast Emerging Growth Institutional Investor Forum Location: San Francisco, CA Date: Thursday, September 28, 2006 Time: 4:35 p.m. Speaker: Stuart Clark, President and Chief Executive Officer *T These presentations along with the supporting slides will be webcast live and available for replay on the Investor Relations section of Interactive Data Corporation's Web site, located at www.interactivedata.com. A calendar of the Company's scheduled investor activities is also available in the Investor Relations section of the Interactive Data Corporation Web site. 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, dividend, corporate action 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.