About Zillow, Inc.Zillow (NASDAQ: Z) is the leading real estate information marketplace, providing vital information about homes, real estate listings and mortgages through its website and mobile applications, enabling homeowners, buyers, sellers and renters to connect with real estate and mortgage professionals best suited to meet their needs. 34.7 million unique users visited Zillow, Inc.'s websites and mobile applications in December 2012. Zillow, Inc. operates Zillow.com®, Zillow Mortgage Marketplace, Zillow Mobile, Postlets®, Diverse Solutions®, Zillow Rentals, Buyfolio™, Mortech™ and HotPads™. The company is headquartered in Seattle. The Zillow logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=10012 Zillow.com, Zillow, Postlets and Diverse Solutions are registered trademarks of Zillow, Inc. Buyfolio, Mortech and HotPads are trademarks of Zillow, Inc. Yahoo! is a registered trademark of Yahoo! Inc. About Century 21 Real Estate LLC Century 21 Real Estate LLC ( CENTURY21.com) is the franchisor of the world's largest residential real estate sales organization, providing comprehensive training and marketing support for the CENTURY 21 System. The System is comprised of approximately 7,000 independently owned and operated franchised broker offices in 73 countries and territories worldwide. Century 21 Real Estate LLC is a subsidiary of Realogy Holdings Corp. (NYSE: RLGY), a global leader in real estate franchising and provider of real estate brokerage, relocation and settlement services. CENTURY 21 is a registered trademark owned by Century 21 Real Estate LLC. i comScore Media Metrix Real Estate Category Ranking by Unique Visitors, U.S. Data, October 2012. (ZFIN) SOURCE Zillow, Inc.