QuestAir Announces Director Purchases Under Employee Share Purchase Plan

FOR: QUESTAIR TECHNOLOGIES INC.

TSX, AIM SYMBOL: QAR

June 6, 2007

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - June 6, 2007) - QuestAir Technologies Inc.
(TSX:QAR)(AIM:QAR) announced today that two executive Directors have purchased common shares under
the company's Employee Share Purchase Plan ("Plan"). The Plan was approved by the Board of
Directors in February, 2007 in order to encourage employees to invest in the common shares of the
company. Purchases under the Plan are made on behalf of participants by the Plan's independent
administrator on the Toronto Stock Exchange at regular quarterly intervals.

Two executive Directors, Jonathan Wilkinson, President and Chief Executive Officer, and Sherry
Tryssenaar, Chief Financial Officer, elected to participate in the Plan when it was established
earlier this year. Under the Plan, Mr. Wilkinson and Ms. Tryssenaar purchased shares on 4 June,
2007 at an average price of CAD$1.00.

- Mr. Wilkinson purchased 3,346 shares bringing his total holdings to 89,088 common shares.

- Ms. Tryssenaar purchased 2,162 shares bringing her total holdings to 20,662 common shares.

Disclosure of the Directors dealings under this Plan is made pursuant to the rules governing the
operation of AIM as established by the London Stock Exchange Plc.

About QuestAir Technologies Inc.

QuestAir Technologies Inc. is a developer and supplier of proprietary gas purification systems for
several large international markets, including existing markets such as oil refining, biogas
production and natural gas processing, and emerging markets such as fuel cell power plants and
fuel cell vehicle refueling stations. QuestAir is based in Burnaby, British Columbia and its
shares trade on the AIM Market of the London Stock Exchange Plc. and on the Toronto Stock Exchange
under the symbol "QAR".

Forward-Looking Statements

Certain statements in this press release may constitute "forward-looking" statements which involve
known and unknown risks, uncertainties and other factors which may cause the actual results,
performance or achievements of the Company, or industry results, to be materially different from
any future results, performance or achievements expressed or implied by such forward-looking
statements. When used in this press release, such statements use such words as "anticipate",
"believe", "plan", "estimate", "expect", "intend", "may", "will" and other similar terminology.
These statements reflect current expectations regarding future events and operating performance
and speak only as of the date of this press release. Forward-looking statements involve
significant risks and uncertainties, should not be read as guarantees of future performance or
results, and will not necessarily be accurate indications of whether or not such results will be
achieved. A number of factors could cause actual results to differ materially from the results
discussed in the forward-looking statements.

-30-

FOR FURTHER INFORMATION PLEASE CONTACT:

QuestAir Technologies Inc.
Sherry Tryssenaar
Chief Financial Officer
(604) 453-6902
Email: tryssenaar@questairinc.com
Website: www.questairinc.com

Buchanan Communications
Charles Ryland / Ben Willey
UK media contact
+44 (0) 20 7466 5000

Karyo Edelman
Glen Edwards
Canadian media contact
(604) 623-3007

Canaccord Adams
Mark Ashurst / Erin Needra
+44 207 050 6500

-0-

QuestAir Technologies Inc.

Questair Tech (LSE:QAR)
Historical Stock Chart
From Jun 2024 to Jul 2024