Intersect ENT (XENT) 10-Q 2019 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

AND PRINCIPAL FINANCIAL OFFICER

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

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to the requirement set forth in Rule13a-14(b) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. §1350), Thomas A. West, President and Chief Executive Officer of Intersect ENT, Inc. (the “Company”) and Jeryl L. Hilleman, Chief Financial Officer of the Company, each hereby certify that, to the best of his or her knowledge:

1. The Company’s Quarterly Report on Form10-Q for the period ended September 30, 2019, to which this Certification is attached as Exhibit 32.1 (the “Periodic Report”), fully complies with the requirements of Section 13(a) or Section 15(d) of the Exchange Act, and

2. The information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 5, 2019

/s/ Thomas A. West

Thomas A. West

President and Chief Executive Officer

(Principal Executive Officer)

/s/ Jeryl L. Hilleman

Jeryl L. Hilleman

Chief Financial Officer

(Principal Accounting and Financial Officer)

This certification accompanies the Form10-Q to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form10-Q), irrespective of any general incorporation language contained in such filing.