X0306 4 2018-03-27 0 0001467623 DROPBOX, INC. DBX 0001374246 SC XII MANAGEMENT LLC C/O SEQUOIA CAPITAL 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001367770 SEQUOIA CAPITAL XII A DELAWARE L P C/O SEQUOIA CAPITAL 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001447932 SEQUOIA CAPITAL XII PRINCIPALS FUND LLC C/O SEQUOIA CAPITAL 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001380096 SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P C/O SEQUOIA CAPITAL 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 Series A Preferred Stock 2018-03-27 4 C 0 39073599 0.00 D Class B Common Stock 39073599 0 I By Sequoia Capital XII, LP Series A-1 Preferred Stock 2018-03-27 4 C 0 36787659 0.00 D Class B Common Stock 36787659 0 I By Sequoia Capital XII, LP Series B Preferred Stock 2018-03-27 4 C 0 317886 0.00 D Class B Common Stock 317886 0 I By Sequoia Capital XII, LP Class B Common Stock 2018-03-27 4 C 0 76179144 0.00 A Class A Common Stock 76179144 76179144 I By Sequoia Capital XII, LP Series A Preferred Stock 2018-03-27 4 C 0 4176079 0.00 D Class B Common Stock 4176079 0 I By Sequoia Capital XII Principals Fund, LLC Series A-1 Preferred Stock 2018-03-27 4 C 0 3931759 0.00 D Class B Common Stock 3931759 0 I By Sequoia Capital XII Principals Fund, LLC Series B Preferred Stock 2018-03-27 4 C 0 33974 0.00 D Class B Common Stock 33974 0 I By Sequoia Capital XII Principals Fund, LLC Class B Common Stock 2018-03-27 4 C 0 8141812 0.00 A Class A Common Stock 8141812 8141812 I By Sequoia Capital XII Principals Fund, LLC Series A Preferred Stock 2018-03-27 4 C 0 1462080 0.00 D Class B Common Stock 1462080 0 I By Sequoia Technology Partners XII, LP Series A-1 Preferred Stock 2018-03-27 4 C 0 1376520 0.00 D Class B Common Stock 1376520 0 I By Sequoia Technology Partners XII, LP Series B Preferred Stock 2018-03-27 4 C 0 11894 0.00 D Class B Common Stock 11894 0 I By Sequoia Technology Partners XII, LP Class B Common Stock 2018-03-27 4 C 0 2850494 0.00 A Class A Common Stock 2850494 2850494 I By Sequoia Technology Partners XII, LP Each share of preferred stock automatically converted into one share of Class B common stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering, and has no expiration. SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its 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 Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date. /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Managing Member of SC XII Management, LLC 2018-03-29 /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Managing Member of SC XII Management, LLC, the General Partner of Sequoia Capital XII, L.P. 2018-03-29 /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Managing Member of SC XII Management, LLC, the Managing Member of Sequoia Capital XII Principals Fund LLC 2018-03-29 /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Managing Member of SC XII Management, LLC, the General Partner of Sequoia Technology Partners XII, L.P. 2018-03-29