Yankee Hat Minerals Ltd.

For further information, contact Donald Gee at (604) 618-3433. (TSX:ARZ ) (AMEX:AZK)

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(the
"Company") announces that, after conducting preliminary due diligence on the
previously announced (December 15, 2004 and December 17, 2004) uranium claims
in the Northwest Territories, it has cancelled its participation in the
project. Hall, President and CEO of
Aurizon. Aurizon shares trade on the Toronto Stock Exchange under the
symbol "ARZ" and on the American Stock Exchange under the symbol
"AZK".

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continues to evaluate projects of merit which it
feels are more in line with its exploration and acquisition strategy.

About Yankee Hat Minerals Ltd.

"Aurizon's future is the successful development of its major
asset, Casa Berardi," said David P. Our experienced operations team will now be able to focus all
of their efforts on moving Casa Berardi to production in 2006. Aurizon has
recently completed a positive Feasibility Study on its' one hundred
percent (100%) owned Casa Berardi property. Production at the Project is
anticipated to commence in late 2006.

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As a result of the agreement termination, the Company will not issue
2,000,000 shares, which were required as part of the acquisition price nor
will it issue 200,000 shares in connection with the finders' fee. Forward-looking
statements express, as at the date of this report, the Company's
plans, estimates, forecasts, projections, expectations , or beliefs as
to future events or results.

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The Company
has no further obligations with respect to this property.

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(TSX:ARZ)(AMEX:AZK) has agreed to sell its
50% share of the Sleeping Giant Mine to its joint venture partner,
Cambior Inc.

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Yankee Hat releases option on uranium property in NWT

Pre-production
construction is currently underway.

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--------------------------- ---

Yankee Hat Minerals Ltd. The sale of Sleeping Giant will
release Aurizon from all environmental liabilities and reclamation
costs associated with the operation and ultimate closure of the mine .

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Forward-looking statements involve a
number of risks and uncertainties, and there can be no assurance that
such statements will prove to be accurate.

crandon gammon

News Editors

VANCOUVER, British Columbia ----April 15,
2005--Aurizon Mines Ltd. Therefore, actual results
and future events could differ materially from those anticipated in
such statements.

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"Selling Sleeping Giant provides Aurizon with additional
cash, and marks the transformation of Aurizon from a joint venture
participant in a small producer to a future operator of a larger
mine.

Environmental aspects of mining.

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The effective date of the sale is
anticipated to be April 30, 2005, and Aurizon will receive its 50%
share of production up to that date.

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"

Additional Information

All other information previously released on the Sleeping Giant
Mine and Casa Berardi Project is available on the Aurizon website and
is also available on SEDAR at www.

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com

Aurizon is a Canadian-based gold exploration company, with
activities in the Abitibi region of north-western Quebec, one of the
world's most prolific gold and base metal regions. Casa Berardi is accessible by
road, has mining permits in place and is on the Hydro Quebec power
grid.

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TSX Venture Symbol : KHT

VANCOUVER, March 7 - Yankee Hat Minerals Ltd., for C$5 million.

This News Release contains "forward-looking statements",
including, but not limited to, statements regarding the Company's
expectations as to the market price of gold, strategic plans, future
commercial production, production targets and timetables, mine
operating costs, capital expenditures, work programs, exploration
budgets and mineral reserve and resource estimates.

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This press release was prepared on behalf of the Board of Directors ,
which accepts full responsibility for its content.sedar.

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is a mineral exploration company, focused in
locating and defining economic precious metals deposits. Currently the Company
has three gold projects: the Fran and Wildcat in central British Columbia and
Shanghai Creek in the Yukon Territories .A.

Aurizon Disposes of Sleeping Giant Mine for CDN $5 Million

Registration: (File #0-22672) Form 20-F

Aurizon Mines Ltd.

gammon hg

ON BEHALF OF THE BOARD

"Donald Gee"

--------------------------------------
Donald Gee C.

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President and Chief Executive Officer

The TSX Venture Exchange does not accept responsibility for the adequacy
or accuracy of this release. Factors that could cause results or events to differ
materially from current expectations expressed or implied by the
forward-looking statements, include, but are not limited to, factors
associated with fluctuations in the market price of precious metals,
mining industry risks and hazards, environmental risks and hazards,
uncertainty as to calculation of mineral reserves and resources ,
requirement of additional financing, risks of delays in construction
and other risks more fully described in Aurizon's Annual Report on
Form 20-F filed as an alternative form of AIF with the Securities
Commissions of the provinces of British Columbia, Ontario and Quebec,
with the United States Securities and Exchange Commission, and with
the Toronto Stock Exchange.