X0306 4 2020-03-31 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 2020-09-17 4 A 0 14526 0.00 A 14526 D Common Stock 3909607 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. Common Stock 9289278 I Sequoia Capital Global Growth Fund, L.P. Common Stock 269560 I Sequoia Capital Global Growth Principals Fund, 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. Series E Preferred Stock 2020-03-31 4 A 0 3719996 22.00 D Common Stock 3719996 4351309 I Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. 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. 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). Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the GGF III are made by an investment committee that includes the Reporting Person. (Continued from Footnote 2) 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. The Series E Preferred Stock is convertible into shares of common stock on a 1:1 basis and has no expiration date. Immediately prior to the consummation of the Issuer's initial public offering, all shares of Series E Preferred Stock will automatically convert into shares of common stock of the Issuer. /s/ Jung Yeon Son, Attorney-in-fact for Roelof Botha 2020-09-17