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, Leonard Paolillo, 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:
Date: November 14, 2023
By: /s/ Leonard Paolillo___________
Leonard Paolillo
Interim President and Chief Executive Officer
(Principal Executive Officer)