INVITATION - Conference Call to Be Held at 9:00 AM, May 10, 2005 - Allen-Vanguard to Host Conference Call and Webcast for Second Quarter Results

OTTAWA, May 2 /CNW Telbec/ - Allen-Vanguard Corporation (TSX: VRS) will
be releasing financial results for the second quarter ended March 31, 2005
before the market opens on Tuesday, May 10, 2005, and will be hosting an
investor and analyst conference call and webcast at 9:00 am the same day. The
call will include a presentation on second quarter results for fiscal 2005 as
well as an update on corporate developments. This will be followed by a
question and answer period.

Date:              Tuesday, May 10, 2005
Time:              9:00 a.m.
Dial-in numbers:   (416) 640-4127
                   1-800-814-4941
Web access
 www.newswire.ca/en/webcast/viewEvent.cgi?eventID(equal sign)1117160
or
Access from allen-vanguard.com

For those unable to listen to the call live, a replay will be available
for two week period beginning at 11:00 on May 10, 2005. The replay phone
numbers are 1-877-289-8525 and the access code is 21123142(pound key).

About Allen-Vanguard

Allen-Vanguard Corporation and its subsidiaries worldwide operate under
the brand "Allen-Vanguard". The Company develops and markets technologies,
tools and training for defeating and minimizing the effects of hazardous
devices and materials, whether Chemical, Biological, Radiological, Nuclear or
Explosive (CBRNE). The Company's equipment is in service with leading security
and military forces in more than 120 countries. This includes a complete range
of remote intervention robots for hazardous applications, vehicle barrier
systems, suspect package containers and Electronic Counter-Measures (ECM)
equipment. The Company is a world leader in the development, manufacturer and
sale of specialty security equipment for Explosive Ordnance Disposal (EOD),
and is the sole, worldwide licensee and/or developer of patented technologies
such as the Universal Containment System and CASCAD Foam for blast mitigation,
decontamination of bio-chemical warfare agents, and personal protective gear.
Head office operations are located in Ottawa, Ontario, Canada, with
manufacturing operations in Ottawa and Stoney Creek, Ontario; Tewkesbury,
U.K.; and Cork, Ireland, and sales offices in Canada, the U.S., the U.K. and
Asia. The Company's shares are listed on The Toronto Stock Exchange
(TSX: VRS). To find out more about Allen-Vanguard (TSX: VRS), visit our
website at www.allen-vanguard.com .
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