Page 1

Exhibit 99.1 Impinj Reports Third Quarter 2021 Financial Results SEATTLE , WA , Oct. 27 , 2021- Impinj , Inc. ( NASDAQ : PI ) , a leading RAIN RFID provider and Internet of Things pioneer , today released its financial results for the third quarter ended September 30 , 2021 . “ Our third - quarter results were strong , with revenue and profitability exceeding our guidance , ” said Chris Diorio , Impinj co - founder and CEO . " We accelerated Impinj M700 endpoint IC production , navigated unprecedented supply challenges and see strong , long- term demand from enterprise digital transformation . ” Third Quarter 2021 Financial Summary • • Revenue of $ 45.2 million GAAP gross margin of 50.9 % ; non - GAAP gross margin of 53.3 % • GAAP net loss of $ 12.9 million , or loss of $ ( 0.53 ) per diluted share using 24.3 million shares • Adjusted EBITDA loss of $ 0.4 million • Non - GAAP net loss of $ 0.9 million , or loss of $ ( 0.04 ) per diluted share using 24.3 million shares A reconciliation between GAAP and non - GAAP information is contained in the tables below . Additionally , descriptions of these non - GAAP financial measures are provided in the " Non - GAAP Financial Measures " sections below . Fourth Quarter 2021 Financial Outlook Impinj provides guidance based on current market conditions and expectations ; actual results may differ materially . Please refer to the comments below regarding forward - looking statements . The following table presents Impinj's financial outlook for the fourth quarter 2021 ( in millions , except per share data ) :