Exhibit 32.2
CERTIFICATION OF CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Dan Jedda, 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 my knowledge:
The Annual Report on Form 10-K of Roku, Inc. for the year ended December 31, 2023, as filed with the Securities and Exchange Commission (the "Report"), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
The information contained in such Report fairly presents, in all material respects, the financial condition and results of operations of Roku, Inc.
Date: February 16, 2024

| By: | /s/ Dan Jedda
|  | Dan Jedda
|  | Chief Financial Officer
|  | (Principal Financial Officer)