Héroux-Devtek will hold a conference call to discuss its fourth quarter
results

(TSX: HRX)

LONGUEUIL, QC, May 21 /CNW Telbec/ -

    
    OPEN TO:     Analysts, investors and all interested parties

    DATE:        Friday, May 28, 2010

    TIME:        10:00 AM Eastern Time

    CALL:        1-866-865-3087 (FOR ALL NORTH AMERICAN CALLS)
                 514-807-9895 (FOR ALL MONTREAL AND OVERSEAS PARTICIPANTS)
    

THE PRESS RELEASE WILL BE PUBLISHED THE MORNING 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 75556115 on your phone. This tape recording will be available on Friday, May 28, 2010 as of 1:00 PM until 11:59 PM on Friday, June 4, 2010.

Annual unaudited 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, www.newswire.ca or at www.q1234.com.

For further information: Martin Goulet, MaisonBrison, [phone]