X0306 4 2018-06-29 0 0001316016 AQUANTIA CORP AQ 0001008463 TAN LIP BU 333 BUSH STREET SUITE 2800 SAN FRANCISCO CA 94104 1 0 1 0 Common Stock 2018-06-29 4 A 0 5181 0.00 A 18528 D Common Stock 2720632 I See Footnote The security represents restricted stock units granted pursuant to the issuer's non-employee director compensation policy. The share underlying these restricted stock units vests on the first anniversary from grant date, subject to the reporting person's continued service on the board of directors on each vest date. The reportable securities shares directly owned by WRV II, L.P.("WRV II"), Walden Riverwood Ventures, L.P.("WRV") and A&E Investment, LLC. The Reporting Person is a member of the investment committee of the general partner of each of WRV II and WRV, and is a co-trustee of the sole member of A&E. The Reporting Person may be deemed to share voting and dispositive power with respect to the securities held by WRV II, WRV and A&E and disclaims beneficial ownership of such securities except for the Reporting Person's pecuniary interest therein. /s/ Mark Voll by Power of Attorney 2018-07-02