X0206 3 2021-11-10 0 0001827980 Embark Technology, Inc. EMBK 0001607841 SC US (TTGP), LTD. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001742978 SC U.S. Growth VII Management, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001656511 SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001656513 SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001742979 SC U.S. Venture XV Management, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001627324 SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001635442 SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001635440 SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 0001635444 SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. 2800 SAND HILL ROAD, SUITE 101 MENLO PARK CA 94025 0 0 1 0 Class A Common Stock 18679330 I Sequoia Capital U.S. Growth Fund VII, L.P. Class A Common Stock 1106850 I Sequoia Capital U.S. Growth VII Principals Fund, L.P. Class A Common Stock 25631605 I Sequoia Capital U.S. Venture Fund XV, L.P. Class A Common Stock 1542608 I Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P. Class A Common Stock 554099 I Sequoia Capital U.S. Venture Partners Fund XV, L.P. Class A Common Stock 5629646 I Sequoia Capital U.S. Venture XV Principals Fund, L.P. Class A Common Stock 4528282 I Sequoia Grove II, LLC SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("the GFVII Funds"), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture XV Principals Fund, L.P. and Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P. ("the SC XV Funds"). (Continued from Footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Growth VII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVII Funds, and the SC XV Funds, as applicable, 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. Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Sequoia Grove Manager, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose. Form 1 of 2 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Growth VII Management, L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Growth VII Management, L.P., the General Partner of Sequoia Capital U.S. Growth Fund VII, L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Growth VII Management, L.P., the General Partner of Sequoia Capital U.S. Growth VII Principals Fund, L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture XV Management, L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture XV Management, L.P., which is the General Partner of Sequoia Capital U.S. Venture Fund XV, L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture XV Management, L.P., which is the General Partner of Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture XV Management, L.P., which is the General Partner of Sequoia Capital U.S. Venture Partners Fund XV, L.P. 2021-11-19 By: /s/ Jung Yeon Son, by power of attorney for Douglas Leone, a Director of SC US (TTGP), Ltd., the General Partner of SC U.S. Venture XV Management, L.P., which is the General Partner of Sequoia Capital U.S. Venture XV Principals Fund, L.P. 2021-11-19