Type	Name	Date
Underwriting agreement	Underwriting Agreement, between the Company and Cowen and Company, LLC and Piper Sandler & Co., as representatives of the several underwriters named therein	08/14/2020
Underwriting agreement	Underwriting Agreement, between the Company and Goldman Sachs & Co. LLC and Cowen and Company, LLC, as representatives of the several underwriters named therein	06/14/2019

Type	Name	Date
By-Laws	Amended and Restated Bylaws of Seres Therapeutics, Inc	12/07/2020
By-Laws	Amended and Restated Bylaws of Seres Therapeutics, Inc	12/07/2020
By-Laws	Amended and Restated Bylaws of Seres Therapeutics, Inc	07/01/2015

Type	Name	Date
Employment agreement	Employment Agreement, by and between Seres Therapeutics, Inc. and David Arkowitz	05/20/2021
Employment agreement	Amended and Restated Employment Agreement, between Seres Therapeutics, Inc. and Eric D. Shaff	02/01/2021
Employment agreement	Amended and Restated Employment Agreement, between Seres Therapeutics, Inc. and Thomas J. DesRosier	02/01/2021
Employment agreement	Amended and Restated Employment Agreement, by and between Seres Therapeutics, Inc. and Eric D. Shaff	01/15/2019