X0306 4 2021-11-18 0 0001810806 Unity Software Inc. U 0001672568 SLTA IV (GP), L.L.C. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 1 0 0001418226 Silver Lake Group, L.L.C. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 1 0 0001552054 Silver Lake Partners IV, L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 1 0 0001824494 Silver Lake Technology Investors IV (Delaware II), L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 1 0 0001672566 Silver Lake Technology Associates IV, L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 1 0 0001651403 Durban Egon C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK CA 94025 1 0 0 0 Common Stock 2021-11-18 4 S 0 71775 200.72 D 25054917 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 1548 200.72 D 463823 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 57088 201.66 D 24997829 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 1232 201.66 D 462591 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 46141 202.70 D 24951688 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 995 202.70 D 461596 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 41143 203.74 D 24910545 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 888 203.74 D 460708 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 22182 204.77 D 24888363 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 479 204.77 D 460229 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 16749 205.59 D 24871614 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 361 205.59 D 459868 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 12746 206.92 D 24858868 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 275 206.92 D 459593 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 16742 207.85 D 24842126 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 361 207.85 D 459232 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 13556 209.02 D 24828570 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 292 209.02 D 458940 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 2021-11-18 4 S 0 1077 209.90 D 24827493 I Held through Silver Lake Partners IV, L.P. Common Stock 2021-11-18 4 S 0 23 209.90 D 458917 I Held through Silver Lake Technology Investors IV (Delaware II), L.P. Common Stock 14422668 I Held through SLP Union Aggregator, L.P. Common Stock 73209 I Held through Silver Lake Group, L.L.C. Common Stock 44091 D Common Stock 1557 I See footnote Common Stock 15755 I See footnote These securities are directly owned by Silver Lake Partners IV, L.P. ("SLP IV"). These securities are directly owned by Silver Lake Technology Investors IV (Delaware II), L.P. ("SLTI IV"). These securities are directly owned by SLP Union Aggregator, L.P. ("SLP Union"), the general partner of which is SLP Union GP, L.L.C. ("SLP Union GP"). These securities are directly owned by Silver Lake Group, L.L.C. ("SLG"). Silver Lake Technology Associates IV, L.P. ("SLTA IV") is the general partner of SLP IV and SLTI IV and the managing member of SLP Union GP. The general partner of SLTA IV is SLTA IV (GP), L.L.C. ("SLTA IV GP"), the managing member of which is SLG. Mr. Durban serves as a director of the Issuer and Co-CEO and a Managing Partner of SLG. Each of SLP IV, SLTI IV, SLP Union, SLP Union GP, SLTA IV, SLTA IV GP and SLG may be deemed to be a director by deputization of the Issuer. Represents shares of Common Stock held by Mr. Egon Durban. Represents shares of Common Stock beneficially owned indirectly by Mr. Durban through a trust for the benefit of certain family members. These securities are held by Mr. Durban for the benefit of Silver Lake Technology Management, L.L.C., certain of its affiliates, and certain of the funds they manage ("Silver Lake"). Mr. Durban serves as a director of the Issuer. Pursuant to Mr. Durban's arrangement with Silver Lake with respect to director compensation, upon the sale of these securities, the proceeds from such sale(s) are expected to be remitted to Silver Lake and/or its limited partners. Mr. Durban, through his role at Silver Lake and its affiliates, may be deemed to have an indirect interest in the securities reported herein. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.21 to $201.20 inclusive. 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 sold at each separate price within the ranges set forth in the footnotes to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.21 to $202.20, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.21 to $203.20, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.21 to $204.20, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.21 to $205.18, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.24 to $206.07, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.39 to $207.36, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $207.47 to $208.42, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $208.59 to $209.51, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $209.89 to $209.91, inclusive. The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Securities Exchange Act of 1934, as amended (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, 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. 2021-11-19 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C. 2021-11-19 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C., general partner of Silver Lake Technology Associates IV, L.P. 2021-11-19 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C., general partner of Silver Lake Technology Associates IV, L.P., general partner of Silver Lake Partners IV, L.P. 2021-11-19 By: /s/ Egon Durban, Co-CEO of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C., GP of Silver Lake Technology Associates IV, L.P., general partner of Silver Lake Technology Investors IV (Delaware II), L.P. 2021-11-19 EGON DURBAN: /s/ Egon Durban 2021-11-19