X0306 4 2015-12-09 0001418091 TWITTER, INC. TWTR 0001644368 Kaiden Robert C/O TWITTER, INC. 1355 MARKET STREET, SUITE 900 SAN FRANCISCO CA 94103 1 Chief Accounting Officer Common Stock 2015-12-09 4 A 0 15000 0 A 135000 D Of the reported shares 15,000 shares are represented by restricted stock unites (RSUs) granted December 9, 2015, pursuant to which 25% of 11,000 RSUs will vest on each of January 1, April 1, July 1 and October 1, 2018 and 25% of 4,000 RSUs will vest on each of January 1, April 1, July 1 and October 1, 2019. Of the reported shares 135,000 shares are represented by RSUs. /s/ Sean Edgett, Attorney-in-Fact 2015-12-30