June 21, 2005
ATI AirTest Technologies Inc.
TSX Venture Symbol (AAT)

ATI AIRTEST CONCLUDES CONVERTIBLE LOAN OFFERING

Vancouver: Mr. George Graham, the President of ATI AirTest Technologies Inc. (“AirTest”), a provider of sensor technologies for building applications, announces it has concluded the Convertible Loan Offering initiated May 20, 2004 and amended December 30, 2004. AirTest has received subscriptions totaling $415,000 CAD for the Offering, subject only to the approval of the TSX Venture Exchange.

The Offering which has been made to persons who are qualified “Accredited Investors” as defined in Multilateral Instrument 45-103 will be used as working capital by the Company.

The Offering calls for interest payments at the rate of 1.5% per month to be made and while AirTest has the option to repay each loan at any time, it has guaranteed a minimum of three months interest in the event the loan is repaid in the first three months. All or part of the loan can be converted to shares at a price of $0.20 per share for a period of 12 months from the closing date of the Offering. A finder’s fee of 10% will be payable.

Statements about the Company’s future expectations and all other statements in this press release other than historical facts are “forward looking statements”. The Company intends that such forward-looking statements be subject to the safe harbours created thereby. Since these statements involve risks and uncertainties and are subject to change at any time, the Company’s actual results may differ materially from the expected results.

For further information, please contact:
Mr. George Graham

Phone: (604) 517 3888
Fax : (604) 517 3900
Email: ggraham@airtest.ca
Website: airtest.com

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy
or accuracy of this release.