LAKEWOOD, Colorado, September 13 /PRNewswire/ --     Fronteer Development Group Inc. (TSX and
AMEX - FRG)("Fronteer") and NewWest Gold Corporation (TSX - NWG)("NewWest")
announced today that at a special meeting held in Toronto on September 13,
2007, shareholders and optionholders of NewWest voted 100% in favour of the
acquisition by Fronteer of all of the issued and outstanding shares of 
NewWest through a court-approved plan of arrangement. Pursuant to the 
arrangement, each NewWest common share will be exchanged for 0.26 of a 
Fronteer common share. In addition, all of the outstanding options of 
NewWest will be exchanged for replacement options of Fronteer and will be 
exercisable to acquire that number of common shares of Fronteer determined 
by reference to the share exchange ratio.

NewWest proposes to seek final approval of the Supreme Court of British
Columbia in respect of the arrangement on September 19, 2007 at 9:45 a.m.
(PST). Fronteer and NewWest expect to close the transaction on September 24,
2007.

ABOUT FRONTEER

Fronteer is an exploration and development company with a track record of
making big discoveries. Fronteer has no debt and holds approximately a 46.8%
interest in Aurora Energy Resources (TSX - AXU), a leading Canadian uranium
company. Fronteer is not invested in any short term commercial paper or
asset-backed securities. The Company has approximately C$100 million in cash
that is fully liquid and held with a large commercial bank.

ABOUT NEWWEST

NewWest is one of the largest holders of precious metals mineral rights
in Nevada's gold trends, spanning approximately 623,000 acres. NewWest holds
19 exploration projects, including advanced-stage projects with measured and
indicated resources. NewWest's goal is to move its projects into production.

This news release includes certain "forward-looking statements" within
the meaning of the Private Securities Litigation Reform Act of 1995 and
"forward-looking information" within the meaning of applicable Canadian
securities laws. Forward-looking statements involve risks, uncertainties and
other factors that could cause actual results, performance, prospects and
opportunities to differ materially from those expressed in such
forward-looking information. Forward-looking information in this news release
includes but is not limited to, completion of the arrangement, exposure to
exploration expenditures and metres drilled, and future plans and objectives
of NewWest Gold Corporation and Fronteer Development Group Inc., including
future exploration and development.

Any number of important factors could cause actual results to differ
materially from these forward-looking statements, including, among others,
risks related to international operations, the businesses of Fronteer and
NewWest not being successfully integrated or such integration proving more
difficult, time consuming or costly than expected, not realizing on potential
benefits of the combination, the actual results of current exploration
activities, conclusions of economic evaluations and changes in project
parameters as plans continue to be refined as well as future prices of gold
and silver, as well as those factors set out in the each company's Annual
Information Form as of December 31, 2006. Although each company believes that
the assumptions and factors used in preparing the forward-looking statements
are reasonable, undue reliance should not be placed on these statements, 
which only apply as of the date of this news release, and no assurance can 
be given that such events will occur in the disclosed timeframes or at all.
Accordingly, readers should not place undue reliance on forward-looking
statements. Both companies disclaim any intention or obligation to update or
revise any forward-looking statement, whether as a result of new information,
future events or otherwise.

Fronteer : http://www.fronteergroup.com

NewWest : http://www.newwestgold.com