Director/PDMR Shareholding

SALEM, NH--(Marketwire - May 24, 2011) -

24 May 2011

ProPhotonix Limited
("ProPhotonix" or "the Company")

Directors' Dealing

ProPhotonix Limited, (London Stock Exchange - AIM: PPIX and PPIR, OTC:
STKR.PK), announces that it was informed that yesterday Tim Steel, Non
Executive Director, purchased 25,000 common shares at a price of 13p
per share. Following this purchase he owns 328,000 shares representing
0.62 per cent of the shares in issue.

Enquiries:

ProPhotonix Limited                  Tel: +44 (0)12 7971 7170
Mark W. Blodgett, CEO                 ir@prophotonix.com 

Brewin Dolphin Limited               Tel: +44 (0)113 241 0130
Neil Baldwin


Cubitt Consulting                    Tel: +44 (0) 20 7367 5100
Chris Lane / Alice Coubrough

RD:IR                                Tel: +44 (0) 20 7492 0500
Isabel Richardson / Thomas Churchill

About ProPhotonix

ProPhotonix Limited, headquartered in Salem, New Hampshire, is an
independent 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 Opnext, Sanyo &
Sony. The Company serves a wide range of markets including the machine
vision, industrial inspection, defense, sensors, and medical markets.
ProPhotonix has offices and subsidiaries in the U.S., Ireland, and
Europe. For more information about ProPhotonix and its innovative
products, visit the Company's web site at  www.prophotonix.com .

END

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