X0306 4 2020-09-22 0 0001810806 Unity Software Inc. U 0001222287 BOTHA ROELOF 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 1 0 1 0 Common Stock 2020-09-22 4 C 0 3001240 A 12290518 I Sequoia Capital Global Growth Fund, L.P. Common Stock 2020-09-22 4 C 0 87091 A 356651 I Sequoia Capital Global Growth Principals Fund, L.P. Common Stock 2020-09-22 4 C 0 10081441 A 13991048 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. Common Stock 2020-09-22 4 C 0 2288320 A 2288320 I Sequoia Capital XII Principals Fund, LLC Common Stock 2020-09-22 4 C 0 21410700 A 21410700 I Sequoia Capital XII, L.P. Common Stock 2020-09-22 4 C 0 801160 A 801160 I Sequoia Technology Partners XII, L.P. Common Stock 6016318 I Sequoia Capital U.S. Growth Fund VI, L.P. Common Stock 301354 I Sequoia Capital U.S. Growth VI Principals Fund, L.P. Common Stock 14526 D Series A Preferred Stock 2020-09-22 4 C 0 2027400 0.00 D Common Stock 2027400 0 I Sequoia Capital XII Principals Fund, LLC Series A Preferred Stock 2020-09-22 4 C 0 18969380 0.00 D Common Stock 18969380 0 I Sequoia Capital XII, L.P. Series A Preferred Stock 2020-09-22 4 C 0 709810 0.00 D Common Stock 709810 0 I Sequoia Technology Partners XII, L.P. Series B Preferred Stock 2020-09-22 4 C 0 2005056 0.00 D Common Stock 2005056 0 I Sequoia Capital Global Growth Fund, L.P. Series B Preferred Stock 2020-09-22 4 C 0 58183 0.00 D Common Stock 58183 0 I Sequoia Capital Global Growth Principals Fund, L.P. Series B Preferred Stock 2020-09-22 4 C 0 260920 0.00 D Common Stock 260920 0 I Sequoia Capital XII Principals Fund, LLC Series B Preferred Stock 2020-09-22 4 C 0 2441320 0.00 D Common Stock 2441320 0 I Sequoia Capital XII, L.P. Series B Preferred Stock 2020-09-22 4 C 0 91350 0.00 D Common Stock 91350 0 I Sequoia Technology Partners XII, L.P. Series C Preferred Stock 2020-09-22 4 C 0 996184 0.00 D Common Stock 996184 0 I Sequoia Capital Global Growth Fund, L.P. Series C Preferred Stock 2020-09-22 4 C 0 28908 0.00 D Common Stock 28908 0 I Sequoia Capital Global Growth Principals Fund, L.P. Series D-1 Preferred Stock 2020-09-22 4 C 0 5730132 0.00 D Common Stock 5730132 0 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. Series E Preferred Stock 2020-09-22 4 C 0 4351309 0.00 D Common Stock 4351309 0 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date. The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III). SC XII Management, LLC is a general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), (continued from footnote 2) and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the GGFIII are made by an investment committee that includes the Reporting Person. The Reporting Person disclaims beneficial ownership of the securities included in this report, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. Represents restricted stock units granted to the Reporting Person. The shares subject to this award vest in full on the date of the Issuer's first annual meeting of stockholders that occurs following the completion of the Issuer's initial public offering, subject to the Reporting Person's continued service through that date. /s/ Jung Yeon Son, Attorney-in-fact for Roelof Botha 2020-09-22