Magtron Achieves Canada's First Nadcap Certification in Aluminum Vacuum
Brazing

TORONTO, May 20 /CNW Telbec/ - Héroux-Devtek Inc. (TSX: HRX), a leading Canadian manufacturer of aerospace and industrial products, today announced that its Magtron aerostructure product business unit successfully passed the Nadcap audit in heat treatment and vacuum brazing. Toronto-based Magtron becomes Canada's first facility to be Nadcap certified in aluminum vacuum brazing.

"Nadcap certification was a requirement for a multi-year contract, announced in June 2009, to perform brazing, heat treatment, and testing of complex F-35 Joint Strike Fighter avionic housings," said Rick Rosenjack, Vice-President and General Manager of Héroux-Devtek's aerostructure product line. "The certification raises Magtron's industry standard to a new level and opens up exciting opportunities to service our growing customer base in the brazed chassis marketplace."

K.K. Kaushal, Magtron's Quality Assurance Manager who led the Nadcap certification team, added: "Magtron personnel are to be congratulated for earning this achievement. The audit results showed a high level of procedural and technical competency, which is reflective in each of Magtron's processes performed for our valued customers."

Nadcap is the leading, worldwide cooperative program of major companies designed to manage a cost effective consensus approach to special processes and products and provide continual improvement within the aerospace industry. Nadcap is the Performance Review Institute's (PRI) brand name for the industry-managed program for special processes in the aerospace industry.

About Héroux-Devtek

Héroux-Devtek (TSX: HRX), a Canadian company, serves two main market segments: Aerospace and Industrial Products, specializing in the design, development, manufacture and repair and overhaul of related systems and components. Héroux-Devtek supplies both the commercial and military sectors of the Aerospace segment with landing gear systems (including spare parts, repair and overhaul services) and airframe structural components. The Company also supplies the industrial segment with large components for power generation equipment and precision components for other industrial applications. Approximately 65% of the Company's sales are outside Canada, mainly in the United States. The Company's head office is located in Longueuil, Québec with facilities in the Greater Montreal area (Longueuil, Dorval, Laval and Rivière-des-Prairies); Kitchener and Toronto, Ontario; Arlington, Texas; as well as Springfield, Cleveland and Cincinnati, Ohio.

Forward-Looking Statements

Except for historical information provided herein, this press release may contain information and statements of a forward-looking nature concerning the future performance of the Company. These statements are based on suppositions and uncertainties as well as on management's best possible evaluation of future events. Such factors may include, without excluding other considerations, fluctuations in quarterly results, evolution in customer demand for the Company's products and services, the impact of price pressures exerted by competitors, and general market trends or economic changes. As a result, readers are advised that actual results may differ from expected results.

For further information: Héroux-Devtek Inc.: Gilles Labbé, President and Chief Executive Officer, [phone]; MaisonBrison: Martin Goulet, CFA, [phone]