Putnam ETF Trust N-CSRS Certified semi-annual shareholder report (management investment company)

Section 906 Certifications

I, Aaron Cooper, the Principal Executive Officer of the Funds listed on Attachment A, certify that, to my knowledge:

1. The form N-CSR of the Funds listed on Attachment A for the period ended February 28, 2022 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 Form N-CSR of the Funds listed on Attachment A for the period ended February 28, 2022 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.

Date: April 28, 2022

/s/ Aaron Cooper

______________________

Aaron Cooper

Principal Executive Officer

Section 906 Certifications

I, Janet C. Smith, the Principal Financial Officer of the Funds listed on Attachment A, certify that, to my knowledge:

1. The form N-CSR of the Funds listed on Attachment A for the period ended February 28, 2022 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 Form N-CSR of the Funds listed on Attachment A for the period ended February 28, 2022 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.

Date: April 28, 2022

/s/ Janet C. Smith

______________________

Janet C. Smith

Principal Financial Officer

Attachment A

Period (s) ended February 28, 2022

               Putnam Focused Large Cap Growth ETF

               Putnam Focused Large Cap Value ETF

               Putnam Sustainable Future ETF

               Putnam Sustainable Leaders ETF