Arrowhead Business and Investment Decisions Publishes Updated Due Diligence and Valuation Report on Mawson Resources Limited

Arrowhead Business and Investment Decisions, LLC ('Arrowhead?)
announced that it had published an updated Due Diligence Research and
Valuation Report on Mawson Resources Limited ('Mawson' or 'the Company?)
on May 23^rd, 2011.

A copy of the report is available on abid.co
and at: http://abid.co/documents.php?document=1157685804

About Mawson Resources Limited (TSX:MAW; FRA:MRY)

Mawson Resources is a Toronto-and Frankfurt-listed gold and uranium
exploration company with a sizable portfolio of gold and uranium
exploration assets in Sweden and Finland, including the high-grade
Rompas Gold and Uranium Project in Finland; and a 100% interest in the
Alto Quemado Copper-Gold Project in Peru. The Alto Quemado Project and
the Rompas Project are the main points of exploration focus with
potential for mid- to long-term production. Mawson possesses
considerable uranium resources with NI 43-101-compliant Uranium oxide (U₃O₈)
resource estimates on three other properties in Sweden and Finland,
totaling ~12.1MMlbs of inferred U₃O₈ and 3.3MMlbs
of indicated U₃O₈ (see Mawson website for details).

Statements contained and linked to this news release are not
historical facts they are forward-looking statements. Such
forward-looking statements are subject to risks and uncertainties which
could cause actual results to differ materially from estimated results.
Forward-looking statements are based on the beliefs, estimates and
opinions of Arrowhead analysts on the date the statements are made.
Arrowhead undertakes no obligation to update these forward-looking
statements if beliefs, estimates or opinions, or other factors, should
change. The information contained and linked to this news release is
purely factual and does not constitute a recommendation to buy or sell
securities. Arrowhead received fees in 2010 and 2011 from Mawson
Resources for the research costs and other services including publishing
this report and investor relations services. Arrowhead is not
responsible for any loss, financial or other, directly or indirectly
linked to any price movement or absence of price movement of the
securities described.

Arrowhead Business and Investment Decisions, LLC

Thomas Renaud or
Daniel Renaud, +1 212-619-6889

Managing Directors

enquire@arrowheadbid.com

www.arrowheadbid.com

or

Mawson
Resources Ltd.

Michael Hudson, +1 604-685-9316

Chairman of the
Board, President & CEO

www.mawsonresources.com