(TSX: HRX)

HÉROUX-DEVTEK WILL HOLD A CONFERENCE CALL TO DISCUSS ITS THIRD QUARTER RESULTS ENDED DECEMBER 31, 2016 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.

For further information, contact Martin Goulet, MaisonBrison at (514) 731-0000.

Heroux-Devtek Inc. published this content on 31 January 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 31 January 2017 13:52:07 UTC.

Original documenthttp://www.herouxdevtek.com/_media/document/1288/hrx-ccinviteq317-eng.pdf

Public permalinkhttp://www.publicnow.com/view/AEBF7C64D6317880C74D0F320A58AEDBDBFA7C78