Type	Name	Date
Underwriting agreement	Underwriting Agreement, by and among T2 Biosystems, Inc. and Canaccord Genuity Inc. and Cantor Fitzgerald & Co., as representatives of the several underwriters named therein	09/19/2017
Registration rights agreement	Registration Rights Agreement, by and among Canon U.S.A., Inc. and the registrant	09/22/2016
Underwriting agreement	Underwriting Agreement, among T2 Biosystems, Inc. and Goldman, Sachs & Co. and Leerink Partners LLC, as representatives of the several underwriters named therein	12/09/2015

Type	Name	Date
By-Laws	Amended and Restated Bylaws of T2 Biosystems, Inc	08/12/2014

Type	Name	Date
Employment agreement	Employment Agreement, by and between the Company and John Sperzel	01/09/2020