Xebec Adsorption Inc.

Xebec Adsorption Inc.

July 11, 2008 23:59 ET

QuestAir Technologies Inc. - Notification of Shareholding

BURNABY, BC, July 11 - QuestAir Technologies Inc. ("QuestAir" or
the "Company"; AIM: QAR; TSX: QAR) received notification on July 10, 2008 that
as of June 27, 2008, Impax Asset Management Limited holds 1,088,470 common
shares in the Company representing 9.660% of the QuestAir's issued and
outstanding share capital.

This announcement 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 refuelling 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".

%SEDAR: 00021328E

Contact Information

  • QuestAir Technologies Inc.
    Sherry Tryssenaar
    Chief Financial Officer
    Phone: (604) 453-6902
    Email: tryssenaar@questairinc.com
    Canaccord Adams
    Robert Finlay
    Phone: +44 207 050 6500
    UK media contact:
    Charles Ryland or Ben Willey
    Buchanan Communications
    Phone: +44 (0) 20 7466 5000