News Releases

CALGARY, Dec. 22 /CNW/ - WestJet (TSX:WJA) today announced it has
extended its agreement with Navitaire for its OpenSkies reservation system
through to December 31, 2008.
"This agreement with Navitaire will provide us with an upgraded and
supported product in OpenSkies," said Sean Durfy, WestJet's President.
"Further, it will provide WestJet with the functionality required to deliver
our growth strategy and business plans for 2007."
The aiRES reservation system, owned by IBS and marketed by Travelport,
will not be released in spring 2007 as was indicated earlier this year.
WestJet does not have a new scheduled release date. WestJet continues to work
with its aiRES suppliers to develop the product for use at WestJet.

Marking its tenth anniversary this year, WestJet is Canada's leading
low-fare airline offering scheduled service throughout its 35-city North
American and Caribbean network. Named Canada's most admired corporate culture
in 2006, WestJet pioneered low-cost high-value flying in Canada. With
increased legroom and leather seats on its modern fleet of Boeing
Next-Generation 737 aircraft, and live seatback television provided by Bell
ExpressVu on the majority of its fleet, WestJet strives to be the number one
choice for travellers.