X0306 4 2020-10-20 0 0001719395 Eargo, Inc. EAR 0001431159 Tammenoms Bakker Juliet C/O EARGO, INC. 1600 TECHNOLOGY DRIVE, 6TH FLOOR MENLO PARK CA 95110 1 0 1 0 Common Stock 2020-10-20 4 C 0 3685358 A 3685358 I See Footnote Common Stock 2020-10-20 4 P 0 233333 18.00 A 3918691 I See Footnote Series E Preferred Stock 2020-10-20 4 C 0 3685358 0.00 D Common Stock 3685358 0 I See Footnote The Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date. These shares are are held directly by Longitude Venture Partners IV, L.P. ("LVP4"). Longitude Capital Partners IV, LLC ("LCP4") is the general partner of LVP4 and may be deemed to have voting, investment and dispositive power over the shares held by LVP4. The Reporting Person and Patrick G. Enright are managing members of LCP4 (each a "Manager" and collectively, the "Managers") and may each be deemed to share voting, investment and dispositive power with respect to the shares held by LVP4. Each of LCP4 and the Managers disclaims beneficial ownership of the shares held by LVP4 and this report shall not be deemed an admission that any of them is the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein. /s/ Christy La Pierre, Attorney-in-Fact for Juliet Tammenoms Bakker 2020-10-22