FAQ

GENERAL

1. What are Héroux-Devtek's main business segments?
Please refer to the Corporate Structure section in About us or click directly on our 3 distinct divisions: Landing Gear, Aerostructure, Gas Turbine.

2. Who are the directors and officers of the Company?
Please refer to the section Management and Board of Directors. You can also refer to our latest Annual Report. If there have been changes since that date, they will be included in our News Releases section.

COMMON SHARE INFORMATION

1. What is Héroux-Devtek's stock symbol and where are the common shares traded?
The symbol for common share is HRX. Shares are traded on the Toronto Stock Exchange (TSX).

2. When was Héroux-Devtek first listed on the Exchange?
In December 1986, the Company made its initial public offering of common shares to finance the modernization of its facilities, to service the increase in its backlog of orders and to meet working capital requirements. As a result, the Company went public and its common shares were listed on the Montréal Exchange before being transferred to the Toronto Stock Exchange in 1999.

3. How many shares outstanding does Héroux-Devtek have?
As of September 30, 2005, there were 26,971,498 shares outstanding. Furthermore, the Company announced on November 10, 2005 that it has closed a public offering of 4,500,000 common shares.

SHAREHOLDER ACCOUNTS

1. How may I change my correspondence address or any other information in regards to information I receive?
If you have your certificate in hand, you may contact our trustee directly. Please mention Héroux CUSIP number: 42447L. If you hold your shares through a broker, you must contact him.

2. Who is Héroux-Devtek’s transfer agent?
Computershare Trust Company of Canada
1100 University Street, Suite 1200
Montréal, Québec
Canada   H3B 2G7
Tel.: (514) 871-7171

3. How may I contact the Investor-Relations department at Héroux-Devtek?
By telephone at: (450) 679-3330
By fax at: (450) 679-3666
By e-mail at ir@herouxdevtek.com

4. How may I contact the Corporate Secretary of Héroux-Devtek?
Héroux-Devtek
Corporate Secretary
1111 Saint-Charles Street W.
Suite 658, East Tower, Complexe Saint-Charles
Longueuil, Québec
Canada J4K 5G4

CORPORATE GOVERNANCE

1. Who are the shareholders auditors?
Ernst & Young, LLP
1 Place Ville-Marie, Suite 2400
Montréal, Québec
Canada   H3B 3M9
(514) 875-6060