Exhibit 16.1
April 29, 2020
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Commissioners:
We have read the statements made by Impinj, Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form8-K of Impinj, Inc.dated April 28, 2020. We agree with the statements concerning our Firm contained therein.
Very truly yours,
/s/ PricewaterhouseCoopers LLP
Seattle, Washington
Attachment