TIDMNUS 
 
Nautilus Closes First Tranche of Private Placement 
FOR:  NAUTILUS MINERALS INC. 
 
TSX SYMBOL:  NUS 
OTCQX SYMBOL:  NUSMF 
AIM SYMBOL:  NUS 
 
August 3, 2012 
 
Nautilus Closes First Tranche of Private Placement 
 
TORONTO, ONTARIO--(Marketwire - Aug. 3, 2012) - Nautilus Minerals Inc. (TSX:NUS)(OTCQX:NUSMF)(AIM:NUS) ("Company" or 
"Nautilus") has received gross proceeds of C$14.8 million from the issue of the first tranche of shares forming part of 
the non-brokered private placement announced earlier this week. 
 
A total of 16,485,186 shares were issued today in the first tranche at an issue price of C$0.90 per share. 
 
The shares formed part of a total capital raising of C$34 million, before expenses, involving the issue of approximately 
37.7 million shares. An additional 555,556 shares will be issued next week. The remaining shares (approximately 20.6 
million) are to be issued following receipt of final regulatory approval. No finders' fees or commissions are payable by 
the Company in connection with the private placement. 
 
Application has been made to the Alternative Investment Market of the London Stock Exchange for the first tranche of 
16,485,186 shares to be admitted to trading on August 7, 2012. The shares will also be listed for trading on the Toronto 
Stock Exchange. 
 
Further details of the private placement are available on the Nautilus website: 
 
http://www.nautilusminerals.com/s/Media-NewsReleases.asp?ReportID=539896&_Type=News-Releases&_Title=Nautilus-to-raise- 
funds-and-continue-equipment-build 
 
Certain of the statements made in this news release may contain forward-looking statements within the meaning of the 
United States Securities Exchange Act of 1934 and forward-looking information within the meaning of applicable Canadian 
securities law. Forward-looking statements and forward-looking information include, but are not limited to statements or 
information with respect to the completion of the private placement. We have made numerous assumptions about the 
material forward-looking statements and information contained herein, including among other things, that TSX will accept 
the private placement including the creation of a new insider, being the principal beneficial owner of Mawarid. 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 statement 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, 
the private placement is not successfully concluded by some or all parties or that regulatory approval in respect of the 
private placement is not received. 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 Nautilus' business contained in Nautilus' reports filed with the securities 
regulatory authorities in Canada. 
 
About Nautilus Minerals Inc. 
 
Nautilus is the first company to explore the ocean floor for polymetallic seafloor massive sulphide deposits and is 
developing its first project at Solwara 1, in the territorial waters of Papua New Guinea, where it is aiming to produce 
copper, gold and silver. The company has been granted all necessary environmental and mining permits. 
 
Nautilus also holds approximately 600,000 km2 of highly prospective exploration acreage in the western Pacific; in PNG, 
the Solomon Islands, Fiji, Vanuatu and Tonga, as well as in international waters in the eastern Pacific. 
 
A Canadian registered company, Nautilus is listed on the TSX:NUS and AIM:NUS stock exchanges and OTCQX:NUSMF. Its 
corporate office is in Brisbane, Australia. Its major shareholders include Metalloinvest, the largest iron ore producer 
in Europe and the CIS, which has a 21% holding, global mining group Anglo American, which holds an 11% interest and MB 
Holdings, an Oman based group with interests in mining, oil & gas, which holds a 9.98% interest. 
 
 
-30- 
 
FOR FURTHER INFORMATION PLEASE CONTACT: 
 
Nautilus Minerals Inc. (Toronto) 
Investor Relations 
+1 (416) 551 1100 
investor@nautilusminerals.com 
www.nautilusminerals.com 
 
OR 
 
Numis Securities Limited 
Nominated adviser: Alastair Stratton/Stuart Skinner 
Corporate broking: James Black 
+ 44(0) 20 7260 1000 
 
OR 
 
Dahlman Rose & Co., LLC 
Christopher R. Weekes 
+1 212 372 5766 
 
Neither the TSX, London Stock Exchange, nor the OTCQX accepts responsibility for the adequacy or accuracy of this press 
release. 
 
 
 
 
Nautilus Minerals Inc. 
 

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