X0306 4 2020-08-03 0 0001754068 Allovir, Inc. ALVR 0001134655 GADICKE ANSBERT C/O ALLOVIR, INC. 139 MAIN STREET, SUITE 500 CAMBRIDGE MA 02142 1 0 1 0 Common Stock 2020-08-03 4 C 0 13420970 A 13420970 I See Footnote Common Stock 30197 D Series A-2 Convertible Preferred Stock 2020-08-03 4 C 0 20000000 D Common Stock 13420970 0 I See Footnote Each share of convertible preferred stock automatically converted into Common Stock on a one-for-1.49021 basis upon the closing of the Issuer's initial public offering on August 3, 2020 and had no expiration date. Shares held by ElevateBio LLC ("ElevateBio"). The Reporting Person is a director of ElevateBio, and may be deemed to have shared voting and investment power of the shares held by ElevateBio. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. /s/ Brett Hagen, as Attorney-in-Fact 2020-08-05