Twitter Results Presentation Deck

GAAP to Non-GAAP Reconciliations ($, thousands) Cost of revenue Research and development Sales and marketing General and administrative Cost of revenue Research and development Sales and marketing General and administrative GAAP $217,979 133,996 189,572 79,915 GAAP $305,710 202,128 260,603 92,392 Three months ended December 31, 2017 Stock-based compensation expense $6,019 55,648 25,919 14,868 Stock-based compensation expense Three months ended December 31, 2016 $6,511 81,840 27,751 Amortization of acquired intangible assets 21,993 $4,464 465 Amortization of acquired intangible assets $8,027 53 19,140 Restructuring charges $199 1,103 1,161 639 Restructuring charges $49,018 15,929 30,350 5,952 Non-GAAP $207,297 77,245 162,027 64,408 Non-GAAP $242,154 104,306 183,362 64,447

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