Impinj to Present at Thomas Weisel Partners' GPS & RFID - Track, Trace and Navigate Conference

SEATTLE, WA -- (MARKET WIRE) -- May 17, 2007 -- Leading UHF Gen 2 radio frequency identification (RFID) tag chip and reader supplier Impinj, Inc. today announced that the company's President and CEO, Dr. William T. Colleran, will speak at Thomas Weisel Partners' 2007 GPS & RFID Conference.

Presentation date and time: May 23, 2007, 8:30 AM

Location: Thomas Weisel New York Office, 390 Park Avenue, New York

Live Audio Webcast archived for 30 days: http://www.veracast.com/webcasts/twp/gps-rfid07/24101167.cfm

About Impinj, Inc.

Impinj, Inc. is a semiconductor and RFID company whose patented Self-Adaptive Silicon® technology enables two synergistic business lines: high-performance RFID products and semiconductor intellectual property (IP). A leading contributor to the RFID standards for high-volume supply-chain applications worldwide, Impinj leverages technical expertise and industry partnerships to deliver the GrandPrix™ solution, comprising tags, readers, software, and systems integration to offer RFID that just works™. Impinj licenses innovative IP products, core to the company's RFID tags, to leading semiconductor companies worldwide, allowing them to seamlessly integrate crucial nonvolatile memory (NVM) alongside analog and digital functionality on a single chip. Impinj's IP products include the popular AEON® family of embeddable cores, which provide rewriteable NVM technology in logic CMOS manufacturing. For more information, visit www.impinj.com.

Impinj, Speedway, Self-Adaptive Silicon, GrandPrix, Monza, Brickyard, "RFID that just works," and AEON are either registered trademarks or trademarks of Impinj, Inc.

Contact Information: Editorial Contacts: Jim Donaldson Impinj, Inc. 206-834-1091 Email Contact Lynda Kaye Mango Communications for Impinj 650-799-2888 Email Contact