X0306 4 2019-02-08 0001418091 TWITTER, INC. TWTR 0001590851 Gadde Vijaya C/O TWITTER, INC. 1355 MARKET STREET, SUITE 900 SAN FRANCISCO CA 94103 1 Chief Legal Officer Common Stock 2019-02-08 4 A 0 98568 0 A 840294 D Common Stock 2019-02-08 4 F 0 48871 30.80 D 791423 D Of the reported shares, 10,560 shares are represented by performance restricted stock units ("PRSUs") granted on March 12, 2017 and 88,008 shares are represented by PRSUs granted on May 30, 2018, to which the PRSUs have vested based on the Company's achievement of certain performance targets over the last year that were set by the Compensation Committee for the performance period in the first quarters of 2017 and 2018, respectively. Of the reported shares 378,324 shares are represented by RSUs. 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. Based on an internal audit, on 2/1/19 the Reporting Person's shares represented by RSUs should have been restated by 53,600 less shares and is stated correctly in footnote 2 on this Form 4. /s/ Sean Edgett, Attorney-in-Fact 2019-02-12