X0306 4 2018-08-30 0001418091 TWITTER, INC. TWTR 0001275968 PICHETTE PATRICK C/O TWITTER, INC. 1355 MARKET STREET, SUITE 900 SAN FRANCISCO CA 94103 1 Common Stock 2018-08-30 4 F 0 251 35.35 D 9465 D The shares reported as disposed of were withheld by the Issuer in order to cover withholding taxes in connection with the vesting of restricted stock units, or RSUs. These shares were not issued to or sold by the Reporting Person. Of the reported shares 4,911 shares are represented by RSUs. /s/ Sean Edgett, Attorney-in-Fact 2018-09-05