Press Releases

Security Devices Signs Letter-Of-Intent for Multi-Million Dollar Projectile Order

WASHINGTON, DISTRICT OF COLUMBIA -- (MARKET WIRE) -- 04/14/11 -- Security Devices International Inc. (SDI) (OTCBB: SDEV) is pleased to announce that it has signed a Letter of Intent (LOI) with a distributor that represents an unnamed Country to obtain a large number of SDI's less-than-lethal ammunition.

SDI and the end user Country will be testing the Company's ammunition in the coming quarters for assessment purposes. The test will take place at the production facility mentioned in the Company's press release dated April 12, 2011.

This LOI represents SDI's first step in entering the less-than-lethal marketplace.

"We have been working with this Country for some time and we are pleased to offer our products to them in helping fulfill their 40mm less-than-lethal military needs", states Gregory Sullivan, President and CEO of SDI. "If we are able to complete this order of rounds, it will increase our profile domestically as well as internationally in the defense technology sector".

About Security Devices International Inc. SDI is a less-than-lethal defense technology company, specializing in the development of innovative next generation solutions for security situations that do not require the use of lethal force, or ammunition. SDI is currently in the advanced stages of deploying their patent pending family of products. These products consist of; the Blunt Impact Projectile 40mm (BIP40), and the Wireless Electric Projectile 40mm (WEP40). The Market sectors for these products include; the military, army, navy, air force, peacekeeping, homeland security, and law enforcement professionals. The Company's products were designed for use in existing 40mm launchers.

Security Devices has not authorized the release of this press release in any form that contravenes any law or regulation and will not be responsible for the unsolicited distribution of this material by e-mail or facsimile by unauthorized parties. Statements in this press release, which are not historical facts, are "forward looking statements" within the meaning given to that term in the private Securities Litigation Reform Act of 1995.

Security Devices intends that such forward -looking statements be subject to the safe harbors created thereby. Since these statements involve risks and uncertainties and are subject to change at any time, actual results could differ materially from expected results.

For more information about the Company visit: www.securitydii.com

Contacts:
Security Devices International Inc.
Gregory Sullivan
Direct line: (202)-538-1677
gsullivan@securitydii.com

Source: Security Devices International Inc.