Attached files

file filename
EX-23.1 - EX-23.1 - Sesen Bio, Inc.sesn-12312020xex231eycon.htm
EX-32.2 - EX-32.2 - Sesen Bio, Inc.sesn-12312020x10kex322.htm
EX-31.2 - EX-31.2 - Sesen Bio, Inc.sesn-12312020x10kex312.htm
EX-31.1 - EX-31.1 - Sesen Bio, Inc.sesn-12312020x10kex311.htm
EX-21.1 - EX-21.1 - Sesen Bio, Inc.sesn-12312020x10kex211.htm
EX-4.0 - EX-4.0 - Sesen Bio, Inc.sesn-12312020x10kex40.htm
10-K - 10-K - Sesen Bio, Inc.sesn-20201231.htm

Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report on Form 10-K of Sesen Bio, Inc. (the “Company”) for the fiscal year ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
(1)the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
Date:March 15, 2021By:     
Name:Thomas R. Cannell, D.V.M.
Title:President and Chief Executive Officer
(Principal Executive Officer)