X0306 4 2020-05-11 1 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 Class A Common Stock 2020-05-11 4 C 0 3808957 0.00 A 3808957 I By Sequoia Capital XII, LP Class A Common Stock 2020-05-13 4 C 0 3808957 0.00 A 3808957 I By Sequoia Capital XII, LP Class A Common Stock 2020-05-11 4 C 0 142525 0.00 A 142525 I By Sequoia Technology Partners XII, LP Class A Common Stock 2020-05-13 4 C 0 142525 0.00 A 142525 I By Sequoia Technology Partners XII, LP Class A Common Stock 2020-05-11 4 C 0 407090 0.00 A 407090 I By Sequoia Capital XII Principals Fund, LLC Class A Common Stock 2020-05-13 4 C 0 407090 0.00 A 407090 I By Sequoia Capital XII Principals Fund, LLC Class A Common Stock 2020-05-11 4 J 0 3808957 0.00 D 0 I By Sequoia Capital XII, LP Class A Common Stock 2020-05-13 4 J 0 3808957 0.00 D 0 I By Sequoia Capital XII, LP Class A Common Stock 2020-05-11 4 J 0 142525 0.00 D 0 I By Sequoia Technology Partners XII, LP Class A Common Stock 2020-05-13 4 J 0 142525 0.00 D 0 I By Sequoia Technology Partners XII, LP Class A Common Stock 2020-05-11 4 J 0 407090 0.00 D 0 I By Sequoia Capital XII Principals Fund, LLC Class A Common Stock 2020-05-13 4 J 0 407090 0.00 D 0 I By Sequoia Capital XII Principals Fund, LLC Class B Common Stock 2020-05-11 4 C 0 3808957 0.00 D Class A Common Stock 3808957 26662701 I By Sequoia Capital XII, LP Class B Common Stock 2020-05-13 4 C 0 3808957 0.00 D Class A Common Stock 3808957 22853744 I By Sequoia Capital XII, LP Class B Common Stock 2020-05-11 4 C 0 142525 0.00 D Class A Common Stock 142525 997671 I By Sequoia Technology Partners XII, LP Class B Common Stock 2020-05-13 4 C 0 142525 0.00 D Class A Common Stock 142525 855146 I By Sequoia Technology Partners XII, LP Class B Common Stock 2020-05-11 4 C 0 407090 0.00 D Class A Common Stock 407090 2849632 I By Sequoia Capital XII Principals Fund, LLC Class B Common Stock 2020-05-13 4 C 0 407090 0.00 D Class A Common Stock 407090 2442542 I By Sequoia Capital XII Principals Fund, LLC 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. Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members pursuant to a Rule 10b5-1 trading plan. 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 2020-05-13 /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. 2020-05-13 /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 and the General Partner of Sequoia Technology Partners XII, L.P. 2020-05-13