X0306 4 2021-12-06 0 0001418091 TWITTER, INC. TWTR 0001737652 SLTA V (GP), L.L.C. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 0001418226 Silver Lake Group, L.L.C. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 0001737657 Silver Lake Technology Associates V, L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 0001896819 Silver Lake Partners V DE (AIV V), L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 0001735863 Silver Lake Technology Investors V, L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 0001651403 Durban Egon C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 Common Stock 2021-12-06 4 P 0 498677 43.3573 A 498677 I Held through Silver Lake Partners V DE (AIV V), L.P. Common Stock 2021-12-06 4 P 0 6057 43.3573 A 6057 I Held through Silver Lake Technology Investors V, L.P. Common Stock 2021-12-06 4 P 0 884523 44.2634 A 1383200 I Held through Silver Lake Partners V DE (AIV V), L.P. Common Stock 2021-12-06 4 P 0 10743 44.2634 A 16800 I Held through Silver Lake Technology Investors V, L.P. Common Stock 2021-12-07 4 P 0 448575 45.5255 A 1831775 I Held through Silver Lake Partners V DE (AIV V), L.P. Common Stock 2021-12-07 4 P 0 5448 45.5255 A 22248 I Held through Silver Lake Technology Investors V, L.P. Common Stock 2021-12-07 4 P 0 243025 46.0647 A 2074800 I Held through Silver Lake Partners V DE (AIV V), L.P. Common Stock 2021-12-07 4 P 0 2952 46.0647 A 25200 I Held through Silver Lake Technology Investors V, L.P. Represents securities held by Silver Lake Partners V DE (AIV V), L.P. (" SLP V") Represents securities held by Silver Lake Technology Investors V, L.P. (" SLTI V") Silver Lake Technology Associates V, L.P. ("SLTA V") is the general partner of each of SLP V and SLTI V. SLTA V (GP), L.L.C. ("SLTA V GP") is the general partner of SLTA V. Silver Lake Group, L.L.C. ("SLG") is the managing member of SLTA V GP. Mr. Egon Durban serves as a member of the board of directors of Twitter Inc. (the "Issuer") and is Co-CEO and Managing Member of SLG. Each of SLP V, SLTI V, SLTA V, SLTA V GP and SLG may be deemed to be a director by deputization of the Issuer. Represents shares of common stock purchased in multiple transactions at prices ranging from $42.79 to $43.77. The price reported is a weighted average price. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of common stock purchased at each separate price within the ranges set forth in the footnotes to this Form 4. Represents shares of common stock purchased in multiple transactions at prices ranging from $43.775 to $44.71. The price reported is a weighted average price. Represents shares of common stock purchased in multiple transactions at prices ranging from $44.975 to $45.96. The price reported is a weighted average price. Represents shares of common stock purchased in multiple transactions at prices ranging from $45.965 to $46.25. The price reported is a weighted average price. The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act. This filing shall not be deemed an admission that the Reporting Persons are beneficial owners of all securities covered by this filing for purposes of Section 16 of the Exchange Act or otherwise, or are subject to Section 16 of the Exchange Act, and each Reporting Person disclaims beneficial ownership of these securities, except to the extent of such Reporting Person's pecuniary interest therein, if any. By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C. 2021-12-08 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA V (GP), L.L.C. 2021-12-08 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA V (GP), L.L.C., general partner of Silver Lake Technology Associates V, L.P. 2021-12-08 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA V (GP), L.L.C., general partner of Silver Lake Technology Associates V, L.P., general partner of Silver Lake Partners V DE (AIV V), L.P. 2021-12-08 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA V (GP), L.L.C., GP of Silver Lake Technology Associates V, L.P., general partner of Silver Lake Technology Investors V, L.P. 2021-12-08 /s/ Egon Durban 2021-12-08