Type	Name	Date
Underwriting agreement	Underwriting Agreement, among Altimmune, Inc. and Jefferies LLC, Evercore Group L.L.C. and Piper Sandler & Co., as representatives of the underwriters named therein	07/16/2020

Type	Name	Date
By-Laws	Amended and Restated Bylaws of Altimmune, Inc	10/18/2017
By-Laws	Amended and Restated Bylaws of Altimmune, Inc	05/08/2017

Type	Name	Date
Employment agreement	Employment Agreement, by and between Altimmune, Inc. and Richard I. Eisenstadt	12/13/2021
Employment agreement	Employment Agreement, by and between Altimmune, Inc. and William Brown	06/12/2019
Employment agreement	Employment Agreement, by and between Dr. Vipin K. Garg and Altimmune, Inc	11/27/2018
Employment agreement	Employment Agreement, between the Company and Eric I. Richman	12/30/2010

Type	Name	Date
Exchange agreement	Exchange Agreement, by and among Altimmune, Inc. and the Investors listed on the signature pages attached thereto	06/25/2018
Exchange agreement	Exchange Agreement, by and among Altimmune, Inc. and the Investor listed on the signature page attached thereto	06/25/2018