NEWTON, Mass., Dec. 16, 2013 /PRNewswire/ -- TripAdvisor, Inc. (NASDAQ: TRIP), the world's largest travel site*, announced today that it has been added to the Nasdaq-100 Index®, effective Monday, December 23, 2013. (Logo: http://photos.prnewswire.com/prnh/20080902/TRIPADVISORLOGO) "Inclusion in the NASDAQ-100 Index reflects the progress the Company has made in the two years since our spin off," said Steve Kaufer, Chief Executive Officer of TripAdvisor. "We are honored to join this elite group of companies." Launched in January 1985, the NASDAQ-100 Index® consists of 100 of the largest domestic and international non-financial securities listed on The NASDAQ Stock Market® based on market capitalization. As a result of the NASDAQ-100 inclusion, TripAdvisor's common shares will also be included in the PowerShares® QQQ ETF. Read more: http://www.nasdaq.com/markets/indices/nasdaq-100.aspx NASDAQ®, NASDAQ-100 Index® and The NASDAQ Stock Market® are registered trademarks of The NASDAQ Stock Market, Inc. PowerShares QQQ™, formerly known as "QQQ" or the "NASDAQ- 100 Index Tracking Stock®", is an exchange-traded fund based on the NASDAQ-100 Index®. The Fund will, under most circumstances, consist of all of stocks in the Index. About TripAdvisor TripAdvisor ® is the world's largest travel site*, enabling travelers to plan and have the perfect trip. TripAdvisor offers trusted advice from real travelers and a wide variety of travel choices and planning features with seamless links to booking tools. TripAdvisor branded sites make up the largest travel community in the world, with more than 260 million unique monthly visitors**, and more than 125 million reviews and opinions covering more than 3.1 million accommodations, restaurants, and attractions. The sites operate in 34 countries worldwide, including China under daodao.com. TripAdvisor also includes TripAdvisor for Business, a dedicated division that provides the tourism industry access to millions of monthly TripAdvisor visitors. TripAdvisor, Inc. (NASDAQ: TRIP) manages and operates websites under 21 other travel media brands: www.airfarewatchdog.com, www.bookingbuddy.com, www.cruisecritic.com, www.everytrail.com, www.familyvacationcritic.com, www.flipkey.com, www.gateguru.com, www.holidaylettings.co.uk, www.holidaywatchdog.com, www.independenttraveler.com, www.jetsetter.com, www.niumba.com, www.onetime.com, www.oyster.com, www.seatguru.com, www.smartertravel.com, www.tingo.com, www.travelpod.com, www.virtualtourist.com, www.whereivebeen.com, and www.kuxun.cn. *Source: comScore Media Metrix for TripAdvisor Sites, worldwide, June 2013 **Source: Google Analytics, worldwide data, July 2013 SOURCE TripAdvisor, Inc.