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APTO Aptose Biosciences

Filed: 10 Nov 20, 5:00pm

Exhibit 32.1

 

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

 

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, William G. Rice, the President and Chief Executive Officer of Aptose Biosciences Inc. (the “Company”), hereby certify that, to my knowledge:

 

1. The Quarterly Report on Form 10-Q for the quarter ended September 30, 2020 (the “Report”) of the Company fully complies with the requirements of Section 13(a) or Section 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: November 10, 2020

 

 

/s/ William G. Rice

 Name: William G. Rice, Ph.D.
 Title: President and Chief Executive Officer