X0306 4 2016-10-14 0 0001447669 TWILIO INC TWLO 0001430207 UNION SQUARE VENTURES 2008 LP 915 BROADWAY 19TH FLOOR NEW YORK NY 10010 0 0 1 0 Class A Common Stock 2016-10-14 4 C 0 9818262 0.00 A 9818262 D Class B Common Stock 2016-10-14 4 C 0 9818262 0.00 D Class A Common Stock 9818262 0 D Union Square GP 2008, L.L.C. ("USV GP") is the general partner of Union Square Ventures 2008, LP ("USV 2008"), and, as such, has the power to vote and dispose of the shares held by USV 2008. Brad Burnham ("Burnham"), Albert Wenger ("Wenger") and Fred Wilson ("Wilson") are the managing members of USV GP and, therefore, share voting and investment power with regard to the shares held directly by USV 2008. As a result of their positions at USV GP, Burnham, Wenger and Wilson may also share voting and dispositive power of the shares held by USV 2008. Each of USV GP, Burnham, Wenger and Wilson disclaim beneficial ownership of the shares owned by USV 2008 except to the extent of his or its respective pecuniary interest therein. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at any time and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, except for certain permitted transfers described in, and transfers to any "Permitted Transferee" as defined in, the Issuer's restated certificate of incorporation, or the death of the stockholder. All shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earliest to occur of the following: (a) October 18, 2023 or (b) the election of the holders of two-thirds of the outstanding shares of Class B Common Stock. Albert Wenger, as a Managing Member of Union Square GP 2008, L.L.C., the General Partner of Union Square Ventures 2008, L.P. 2016-12-12