X0306 4 2017-11-07 0 0001316016 AQUANTIA CORP AQ 0001008463 TAN LIP BU 333 BUSH STREET, SUITE 2800 SAN FRANCISCO CA 94104 1 0 1 0 Common Stock 2017-11-07 4 C 0 2240632 A 2720632 I See Footnote Series A Preferred Stock 2017-11-07 4 C 0 1784317 0.00 D Common Stock 178430 0 I See Footnote Series B Preferred Stock 2017-11-07 4 C 0 773594 0.00 D Common Stock 77357 0 I See Footnote Series D Preferred Stock 2017-11-07 4 C 0 6742484 0.00 D Common Stock 674247 0 I See Footnote Series E Preferred Stock 2017-11-07 4 C 0 8665227 0.00 D Common Stock 866521 0 I See Footnote Series F Preferred Stock 2017-11-07 4 C 0 549005 0.00 D Common Stock 54899 0 I See Footnote Series G Preferred Stock 2017-11-07 4 C 0 398787 0.00 D Common Stock 39877 0 I See Footnote Series H Preferred Stock 2017-11-07 4 C 0 3493011 0.00 D Common Stock 349301 0 I See Footnote The Series A Preferred Stock, Series B Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock have no expiration date and automatically converted into Common Stock on a 1:10 basis immediately prior to the closing of the Issuer's initial public offering. The reportable securities include 1,868,084 shares directly owned by WRV II, L.P ("WRV II"), 639,573 shares directly owned by Walden Riverwood Ventures, L.P. ("WRV") and 212,975 shares directly owned by A&E Investment, LLC ("A&E"). 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. The reportable securities include 112,221 shares directly owned by WRV II, 56,110 shares directly owned by WRV and 10,099 shares directly owned by A&E. The reportable securities include 48,653 shares directly owned by WRV II, 24,326 shares directly owned by WRV and 4,378 shares directly owned by A&E. The reportable securities include 507,579 shares directly owned by WRV II, 141,244 shares directly owned by WRV and 25,424 shares directly owned by A&E. The reportable securities include 663,425 shares directly owned by WRV II, 40,489 shares directly owned by WRV and 162,607 shares directly owned by A&E. The reportable securities include 34,528 shares directly owned by WRV II, 17,264 shares directly owned by WRV and 3,107 shares directly owned by A&E. The reportable securities include 21,678 shares directly owned by WRV II, 10,839 shares directly owned by WRV and 7,360 shares directly owned by A&E. The reportable securities are directly owned by WRV. /s/ Alison Haggerty, Attorney-in-Fact 2017-11-08