Twitter Results Presentation Deck

Monetizable Daily Active Usage (quarterly average, millions) International US Y/Y Rate 115 89 25 Q4'17 (1) 12% 120 94 26 Q1'18 10% 122 96 26 Q2'18 11% 124 98 26 Q3'18 9% 126 99 27 Q4'18 9% (1) Please note that the sum of US MDAU and International mDAU does not add up to total mDAU in Q4'17 above due to rounding. (2) Please note that the sum of absolute International Y/Y and absolute US Y/Y does not add up to absolute Worldwide Y/Y in the above due to rounding. +11m² WW Y/Y +10m Int'l Y/Y (2) +2m US Y/Y 4

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