Nielsen Holdings (NYSE: NLSN) is a global information and measurement company with leading market positions in marketing and consumer information, television, and other media measurement, online intelligence, mobile measurement, trade shows, and related properties. The company has established a presence in approximately 100 countries, with headquarters in New York, USA and Diemen, the Netherlands. For more information visit the company’s Web site at: www.nielsen.com

William Blair & Company is a global investment banking and asset management firm committed to building enduring relationships with clients and providing expertise and solutions to meet their evolving needs. An independent and employee-owned firm, William Blair is based in Chicago, and has office locations in 10 cities, including London, New York, Shanghai, and Zurich. For more information on William Blair & Company, visit www.williamblair.com

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