QAR Questair Tech

RNS Number:8016J
QuestAir Technologies Inc
16 March 2005


Immedite Release                                                16 March 2005


              QuestAir receives Engineering Services Contract from
                  ExxonMobil Research and Engineering Company

BURNABY, B.C. - QuestAir Technologies Inc. (AIM: QAR; TSX: QAR) a developer and
supplier of advanced gas purification systems for refinery, industrial and fuel
cell markets announced today that it has received a US$1.1 million (C$1.3
million) engineering services contract from ExxonMobil Research and Engineering
Company ("EMRE") to support the development of a large capacity pressure swing
adsorption ("PSA") system for use in oil refineries and petrochemical plants.

The contract, which is expected to run from March 2005 until mid 2006, covers
engineering services related to the demonstration of a prototype PSA at a
refinery site in 2006, as well as the subsequent design of commercial systems.

Jonathan Wilkinson, President and CEO of QuestAir, said that the contract
announced today is the third received from EMRE in support of this project since
the two companies signed a joint development agreement in July of 2004. In
addition, QuestAir received a $2.2 million order from EMRE in late 2004 for two
test systems to support this development program.

"This engineering contract is a significant milestone for QuestAir, and
demonstrates the excellent progress that we have made to date on our development
project with ExxonMobil Research and Engineering Company. The contract, together
with our own internal funds, provides QuestAir with the financial resources to
complete the development and design of our first advanced PSA product for the
oil refining and petrochemical industries."

"Hydrogen is critical to the refining of petroleum - and demand for hydrogen in
oil refineries is expected to grow by up to 10% per year through to 2010. This
demand is being driven by overall worldwide demand for petroleum products as
well as new environmental regulations that require these products to have lower
levels of sulphur and other pollutants."

"The initial product that we are developing with EMRE provides refineries with a
cost effective solution to this growth in hydrogen demand." Wilkinson said.

QuestAir's gas purification technology is based on its proprietary innovations
in pressure swing adsorption (PSA) technology that solve some of the inherent
disadvantages of conventional PSA. Conventional PSA technology was introduced
commercially in the 1960s and today is applied extensively in the production and
purification of hydrogen, oxygen and nitrogen for industrial uses. QuestAir's
fast-cycle PSA technology operates at significantly higher cycle speeds than
conventional PSA, resulting in a direct reduction in the size of equipment
required to purify a given volume of product gas.

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.

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 refuelling
stations. The Company has joint development agreements with Exxon Mobil Research
and Engineering Company and Shell Hydrogen, and a collaboration with FuelCell
Energy. 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".

For further information please contact:

QuestAir Technologies Inc.
Andrew Hall
Director, Corporate Development and External Communications
Phone: (001) 604-453-6967
Email: hall@questairinc.com
Web: www.questairinc.com

UK media contact:
Charles Ryland
Ben Willey
Eleanor Williamson
Buchanan Communications
Phone: 020 7466 5000

Canadian media contact:
Pamela Smith
James Hoggan + Associates
Phone: (001) 604-739-7500


                      This information is provided by RNS
            The company news service from the London Stock Exchange
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