X0306 4 2020-10-20 1 0001799448 Aligos Therapeutics, Inc. ALGS 0001787092 Wellington Biomedical Innovation Master Investors (Cayman) I L.P. C/O WELLINGTON MANAGEMENT COMPANY LLP 280 CONGRESS STREET BOSTON MA 02210 0 0 1 0 Common Stock 2020-10-20 4 C 0 1335048 A 1335048 D Common Stock 2020-10-20 4 C 0 571143 A 1906191 D Series B-1 convertible Preferred Stock 2020-10-20 4 C 0 1335048 0.00 D Common Stock 1335048 0 D Series B-2 convertible Preferred Stock 2020-10-20 4 C 0 571143 0.00 D Common Stock 571143 0 D The shares of series B-1 convertible preferred stock and series B-2 convertible preferred stock shall automatically convert into shares of Common Stock on a one to one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and have no expiration date. Wellington Biomedical Innovation Master Investors (Cayman) I L.P., By: Wellington Alternative Investments, as General Partner, By: /s/ Peter N. McIsaac, Title: Managing Director & Counsel 2020-10-22