X0206 3 2021-10-28 0 0001501796 Aura Biosciences, Inc. AURA 0001715579 Medicxi Ventures Management (Jersey) Ltd C/O INTERTRUST FUND SERVICES (JERSEY) LIMITED, 44 ESPLANADE ST. HELIER Y9 JE4 9WG JERSEY 0 0 1 0 0001690310 Medicxi Growth I LP C/O INTERTRUST FUND SERVICES (JERSEY) LIMITED, 44 ESPLANADE ST. HELIER Y9 JE4 9WG JERSEY 0 0 1 0 0001715578 Medicxi Growth Co-Invest I LP C/O INTERTRUST FUND SERVICES (JERSEY) LIMITED, 44 ESPLANADE ST. HELIER Y9 JE4 9WG JERSEY 0 0 1 0 0001715600 Medicxi Growth I GP Ltd C/O INTERTRUST FUND SERVICES (JERSEY) LIMITED, 44 ESPLANADE ST. HELIER Y9 JE4 9WG JERSEY 0 0 1 0 Series D-1 Convertible Preferred Stock Common Stock 1650676 I See footnote Series D-2 Convertible Preferred Stock Common Stock 373606 I See footnote Series E Convertible Preferred Stock Common Stock 251545 I See footnote Series D-1 Convertible Preferred Stock Common Stock 39214 I See footnote Series D-2 Convertible Preferred Stock Common Stock 8876 I See footnote Series E Convertible Preferred Stock Common Stock 5975 I See footnote Immediately prior to the completion of the Issuer's initial public offering ("IPO"), each share of Series D-1 Convertible Preferred Stock, Series D-2 Convertible Preferred Stock and Series E Convertible Preferred Stock is convertible into shares of the Issuer's Common Stock, on a 13.7-for one basis and has no expiration date. Upon the closing of the Issuer's IPO, all shares of the Series D-1 Convertible Preferred Stock will convert into the number of shares of Common Stock of the Issuer shown in column 3. Upon the closing of the Issuer's IPO, all shares of the Series D-2 Convertible Preferred Stock will convert into the number of shares of Common Stock of the Issuer shown in column 3. Upon the closing of the Issuer's IPO, all shares of the Series E Convertible Preferred Stock will convert into the number of shares of Common Stock of the Issuer shown in column 3. Held by Medicxi Growth I LP, a Jersey limited partnership ("Medicxi Growth I"). Medicxi Growth I GP Limited, a Jersey limited liability company ("MGI GP"), is the sole managing general partner of Medicxi Growth I, and Medicxi Ventures Management (Jersey) Limited, a Jersey limited liability company ("Medicxi Manager") is the sole manager of Medicxi Growth I. The Reporting Persons disclaim Section 16 beneficial ownership of the securities held by Medicxi Growth I, except to the extent of their respective pecuniary interest therein, if any, and this report shall not be deemed to be an admission that they have beneficial ownership of such shares for Section 16 or any other purpose. Held by Medicxi Growth Co-Invest I LP, a Jersey limited partnership ("Medicxi Growth Co-Invest I"). MGI GP is the sole managing general partner of Medicxi Growth Co-Invest I, and Medicxi Manager is the sole manager of Medicxi Growth Co-Invest I. The Reporting Persons disclaim Section 16 beneficial ownership of the securities held by Medicxi Growth Co-Invest I, except to the extent of their respective pecuniary interest therein, if any, and this report shall not be deemed to be an admission that they have beneficial ownership of such shares for Section 16 or any other purpose. Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Its: Director 2021-10-28 Medicxi Growth I LP, By: Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Its: Director 2021-10-28 Medicxi Growth Co-Invest I LP, By: Medicxi Ventures Management (Jersey) Limited, By: /s/ Giles Johnstone-Scott, Its: Director 2021-10-28 Medicxi Growth I GP Limited, By: /s/ Francois Chesnay, Its: Director 2021-10-28