X0306 4 2018-12-11 0 0001682852 Moderna, Inc. MRNA 0001239757 LANGER ROBERT C/O MODERNA, INC. 200 TECHNOLOGY SQUARE CAMBRIDGE MA 02139 1 0 0 0 Common Stock 2018-12-11 4 C 0 4559 A 11466961 D Common Stock 14132 I By: Michael D. Langer Irrevocable Trust u/d/t dated 12/14/95 Common Stock 14132 I By: Samuel A. Langer Irrevocable Trust u/d/t dated 12/14/95 Common Stock 14132 I By: Susan K. Langer Irrevocable Trust u/d/t dated 12/14/95 Series G Preferred Stock 2018-12-11 4 C 0 4559 D Common Stock 4559 0 D The Series G Preferred Stock (the "Preferred Stock") converted into Common Stock based on an applicable conversion ratio of 0.45872 upon the closing of the Issuer's initial public offering on December 11, 2018. The Preferred Stock had no expiration date. 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/ Jeffrey Cerio, as Attorney-in-Fact 2018-12-13