LONGUEUIL, QUEBEC--(Marketwired - Feb 6, 2017) - HÉROUX-DEVTEK (TSX:HRX)

OPEN TO: Analysts, investors and all interested parties
DATE: Tuesday, February 7, 2017
TIME: 10:00 AM Eastern Time
CALL: 1-877-223-4471 (FOR ALL OTHER NORTH AMERICAN CALLS)
647-788-4922
(FOR ALL OVERSEAS PARTICIPANTS)

THE PRESS RELEASE WILL BE PUBLISHED BEFORE MARKET OPENS THE DAY OF THE CONFERENCE CALL, THROUGH MARKETWIRED.

Please dial-in 15 minutes before the conference call begins.

If you are unable to call-in at this time, you may access a recording of the meeting by calling 1-800-585-8367 and entering the passcode 51952253 on your phone. This recording will be available on Tuesday, February 7, 2017 as of 1:00 PM until 11:59 PM on Tuesday, February 14, 2017.

Complete unaudited interim condensed consolidated financial statements and Management's Discussion & Analysis will be available on Héroux-Devtek's website: www.herouxdevtek.com.

MEDIA WISHING TO QUOTE AN ANALYST SHOULD CONTACT THE ANALYST PERSONALLY FOR PERMISSION.

NOTE TO FIRST-TIME ANALYSTS: Please contact MaisonBrison at (514) 731-0000 prior to the day of the conference call.

Interested parties may also listen live at www.herouxdevtek.com or at http://www.gowebcasting.com/8299.

Martin Goulet
MaisonBrison
(514) 731-0000