X0306 4 2020-10-20 0 0001719395 Eargo, Inc. EAR 0001420106 Gilde Healthcare Holding B.V. C/O GILDE HEALTHCARE PARTNERS 222 THIRD STREET, SUITE 1321 CAMBRIDGE MA 02142 0 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 held directly by Cooperatieve Gilde Healthcare V U.A. ("Gilde"). Gilde is managed by Gilde Healthcare V Management B.V. ("Management"). Management. is owned by Gilde Healthcare Holding B.V. ("Holding"). Each of Management and Holding may be deemed to have voting, investment and dispositive power with respect to the securities held by Gilde. Each of Management and Holding disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities, except to the extent of their respective pecuniary interests therein. Cooperatieve Gilde Healthcare V U.A., By: /s/ Christy La Pierre, Attorney-in-Fact 2020-10-22 Gilde Healthcare IV Management B.V., By: /s/ Christy La Pierre, Attorney-in-Fact 2020-10-22 Gilde Healthcare Holding B.V., By: /s/ Christy La Pierre, Attorney-in-Fact 2020-10-22