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Daily Active Users (DAUs) In Millions Rest of World Asia-Pacific Europe US & Canada DAUs / MAUs Q4'15 Q1'16 Q2'16 Q3'16 Q4'16 Q1'17 Q2'17 Q3'17 Q4'17 65% 66% 66% 66% 66% 66% 66% 66% 66% Please see Facebook's most recent quarterly or annual report filed with the SEC for definitions of user activity used to determine the number of our DAUs and MAUs. The numbers for DAUs and MAUs do not include Instagram, WhatsApp, or Oculus users unless they would otherwise qualify as such users, respectively, based on their other activities on Facebook. 2

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