X0306 4 2020-06-30 0 0001722271 Akouos, Inc. AKUS 0001237289 SANDELL SCOTT D 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 Common Stock 2020-06-30 4 C 0 513758 A 513758 I See Note 2 Common Stock 2020-06-30 4 C 0 1992238 A 2505996 I See Note 2 Common Stock 2020-06-30 4 C 0 1199976 A 3705972 I See Note 2 Common Stock 2020-06-30 4 P 0 588235 17.00 A 4294207 I See Note 2 Series Seed Preferred Stock 2020-06-30 4 C 0 513758 0.00 D Common Stock 513758 0 I See Note 2 Series A Preferred Stock 2020-06-30 4 C 0 1992238 0.00 D Common Stock 1992238 0 I See Note 2 Series B Preferred Stock 2020-06-30 4 C 0 1199976 0.00 D Common Stock 1199976 0 I See Note 2 On June 30, 2020, the Series Seed Preferred Stock converted into Common Stock on a 21.073-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date. The Reporting Person is a manager of NEA 16 GP, LLC ("NEA 16 GP"), which is the sole general partner of NEA Partners 16, L.P. ("NEA Partners 16"). NEA Partners 16 is the sole general partner of New Enterprise Associates 16, L.P. ("NEA 16"), which is the direct beneficial owner of the shares. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the shares held by NEA 16 in which the Reporting Person has no pecuniary interest. On June 30, 2020, the Series A Preferred Stock converted into Common Stock on a 21.073-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date. On June 30, 2020, the Series B Preferred Stock converted into Common Stock on a 21.073-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date. /s/ Sasha Keough, attorney-in-fact 2020-07-01