/R E P E A T -- HÉROUX-DEVTEK WILL HOLD A CONFERENCE CALL TO DISCUSS ITS
SECOND QUARTER RESULTS/

LONGUEUIL, QC, Oct. 22 /CNW Telbec/ - (TSX: HRX)

OPEN TO:	Analysts, investors and all interested parties
DATE:	Friday, October 29, 2010
TIME:	10:00 AM Eastern Time
CALL:	514-807-9895 (FOR ALL MONTREAL AND OVERSEAS PARTICIPANTS) 1-866-865-3087 (FOR ALL OTHER NORTH AMERICAN CALLS)

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

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

If you are unable to call-in at this time, you may access a tape recording of the meeting by calling 1-800-642-1687 and entering the passcode 16026731 on your phone. This tape recording will be available on Friday, October 29, 2010 as of 1:00 PM until 11:59 PM on Friday, November 5, 2010.

Complete unaudited interim 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 [phone] prior to the day of the conference call.

Interested parties may also listen live at www.herouxdevtek.com or www.newswire.ca.

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For further information:

Martin Goulet, MaisonBrison at [phone]