TIDMNUS 
 
Nautilus Files Prospectus 
FOR:  NAUTILUS MINERALS INC. 
 
TSX, AIM SYMBOL:  NUS 
 
May 12, 2011 
 
Nautilus Files Prospectus 
 
VANCOUVER, BRITISH COLUMBIA--(Marketwire - May 12, 2011) - 
 
NOT FOR DISSEMINATION IN THE UNITED STATES OR FOR DISTRIBUTION TO US NEWSWIRE SERVICES 
 
Nautilus Minerals (TSX:NUS)(AIM:NUS) has today filed a preliminary short form prospectus within each 
province of Canada other than Quebec in respect of a marketed public offering of common shares. 
 
The offering is being co-led by TD Securities Inc. and Credit Suisse Securities (Canada), Inc. 
 
The offering will be priced in the context of the market with the final terms to be determined at the 
time of pricing. 
 
The offering is subject to certain conditions including, but not limited to, the receipt of all 
necessary approvals, including the acceptance of the Toronto Stock Exchange. 
 
The prospectus is available electronically at www.sedar.com. 
 
Certain of the statements made in this news release may contain forward-looking statements within the 
meaning of applicable Canadian and United States Securities law. Even though our management believes 
that the assumptions made and the expectations represented by such statements or information are 
reasonable, there can be no assurance that the forward-looking statements or information will prove to 
be accurate. Forward-looking statements and information by their nature involve known and unknown 
risks, uncertainties and other factors which may cause the actual results to be materially different 
from any future results expressed or implied by such forward-looking statements or information. Such 
risks, uncertainties and other factors include, among others, a change in the expected use of 
proceeds, the failure to complete the offering or to obtain the approval of the TSX. Should one or 
more of these risks, uncertainties or other factors materialize, or should underlying assumptions 
prove incorrect, actual results may vary materially from those described in forward-looking statements 
and information. Although we have attempted to identify factors that would cause actual results to 
differ materially from those described in forward-looking statements and information, there may be 
other factors that cause actual results, performances, achievements or events to not be as 
anticipated, estimated or intended. Also, many of the factors are beyond our control. There can be no 
assurance that forward-looking statements or information will prove to be accurate, as actual results 
and future events could differ materially from those anticipated in such statements. Accordingly you 
should not place undue reliance on forward-looking statements or information. Except as required by 
law, we do not expect to update forward-looking statements and information as conditions change and 
you are referred to the full discussion of the Company's business contained in the Company's reports 
filed with the securities regulatory authorities in Canada. 
 
This news release and the information contained herein does not constitute an offer of securities for 
sale in the United States and securities may not be offered or sold in the United States absent 
registration or an exemption from registration. 
 
 
-30- 
 
FOR FURTHER INFORMATION PLEASE CONTACT: 
 
Nautilus Minerals Inc. (Toronto) 
Investor Relations 
+1 (416) 551 1100 
investor@nautilusminerals.com 
 
OR 
 
Nautilus Minerals Inc. 
Joe Dowling 
Vice President Investor Relations and Communications 
+61 (7) 3318 5544 or Cell: +61 431 365 741 
jjd@nautilusminerals.com 
www.nautilusminerals.com 
 
OR 
 
Numis Securities Limited 
Nominated adviser: John Harrison 
Corporate broking: James Black 
+ 44(0) 20 7260 1000 
 
Neither the TSX nor the London Stock Exchange accepts responsibility for the adequacy or accuracy of 
this press release. 
 
 
 
 
Nautilus Minerals Inc. 
 

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