Impel Pharmaceuticals (IMPL) 10-Q 2024 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Adrian Adams, Chief Executive Officer of Impel Pharmaceuticals Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1.

the Quarterly Report on Form 10-Q of the Company for the fiscal quarter ended June 30, 2023 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; 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: August 18, 2023

By: /s/ Adrian Adams___________

Adrian Adams

Chairman and Chief Executive Officer

(Principal Executive Officer)