Jonathan Wilkinson, QuestAir President and CEO, said, "This award recognizes the significant progress QuestAir has made in developing and marketing our gas purification products for a range of high growth markets in the industrial hydrogen, biogas and fuel cell sectors. Our current development activities in the oil refining and petrochemical industries position us very well to build on the successes we have achieved to date."

QuestAir's increase in revenues of 2,082 percent from 2001 to 2005 resulted in a top 20 ranking overall in the Deloitte Technology Fast 50. The average increase in revenues among companies who made the Fast 50 for this region was 4,954 percent.

Winners of the 10 regional Technology Fast 50 programs in the United States and Canada are automatically entered in the Deloitte Technology Fast 500 program, which ranks North America's top 500 fastest growing technology companies. For more information on the Fast 50 or Fast 500 programs visit www.fast50.ca or www.fast500.com.

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".