ProPhotonix Announces Deregistration of PPIR Line

The information contained within this announcement is deemed to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014. Upon the publication of this announcement, this inside information is now considered to be in the public domain

September 17, 2018

ProPhotonix Limited

 ("ProPhotonix" or "the Company")

SHARE TRADING LINE CONSOLIDATION

ProPhotonix Limited (London Stock Exchange ‐ AIM: PPIX and PPIR, OTC: STKR), a designer and manufacturer of LED illumination systems and laser diode modules with operations in Ireland and the United Kingdom, today announces that further to the regulatory announcement dated August 10, 2018, the AIM trading line for shares issued in accordance with Regulation S under the U.S. Securities Act of 1933, as amended ("Reg S") (PPIR, ISIN USU743121142) will cease trading at 4:30 p.m. (UK time) on September 19, 2018 and the Company will transfer 22,042,143 common shares from the PPIR line to the Company's depository interest ("DI") trading line PPIX (ISIN US7434651060) (the "Transfer").

Following the Transfer, 93,000,402 common shares will trade on AIM under the DI trading line PPIX (ISIN US7434651060) and trade over‐the‐counter in the United States of America under STKR.

Accordingly, from Thursday, September 20, 2018, all ProPhotonix shares admitted to trading on AIM will trade under PPIX, ISIN US7434651060. For further information, visit the Company web site at www.prophotonix.com/investors/

Enquiries:

About ProPhotonix

ProPhotonix Limited, headquartered in Salem, New Hampshire, is a high technology designer and manufacturer of diode-based laser modules and LED systems for industry leading OEMs and medical equipment companies. In addition, the Company distributes premium diodes for Ushio, Osram, QSI, Panasonic, and Sony. The Company serves a wide range of markets including the machine vision, industrial inspection, security, and medical markets. ProPhotonix has offices and subsidiaries in the U.S., Ireland, U.K., and Europe. For more information about ProPhotonix and its innovative products, visit the Company's web site at www.prophotonix.com.