TIDMNUS 
 
Nautilus Releases NI 43-101 Resource Report for Polymetallic Nodules 
FOR:  NAUTILUS MINERALS INC. 
 
TSX SYMBOL:  NUS 
OTCQX SYMBOL:  NUSMF 
AIM SYMBOL:  NUS 
 
September 24, 2012 
 
Nautilus Releases NI 43-101 Resource Report for Polymetallic Nodules 
 
TORONTO, ONTARIO--(Marketwire - Sept. 24, 2012) - Nautilus Minerals (TSX:NUS)(OTCQX:NUSMF)(AIM:NUS) announces the release by its 100% owned subsidiary, Tonga Offshore Mining Limited ("TOML"), of an independent Technical Report prepared by Golder Associates Pty Ltd in accordance with National Instrument 43-101 in respect of a maiden Mineral Resource estimate for TOML's Clarion-Clipperton Fracture Zone polymetallic nodule project, located within the Central Pacific Ocean (see Links section for related press release and location map). 
 
Links 
 
http://www.nautilusminerals.com/s/Media-NewsReleases.asp?ReportID=548462&_Type=News-Releases&_Title=Nautilus-Minerals-Defines-410-million-tonne-Inferred-Mineral-Resource 
 
Figure 1 - Map of tenements 
 
http://www.nautilusminerals.com/s/Image.asp?i=maps/2012-09-18_NRM.jpg 
 
General Background: 
 
The nodules occur within the Clarion Clipperton Zone of the tropical north Pacific (Figure 1), in water depths generally between 4,000 and 6,000 meters. They contain significant grades of manganese, nickel, copper and cobalt, and form by the precipitation of metals on the seafloor, either directly from ocean waters or via decomposing microorganisms and/or their effluent in benthic sediments. 
 
Mr Mathew Nimmo of Golder Associates Pty Ltd as independent Qualified Person has prepared the technical information that forms the basis for this press release. 
 
The report has been filed on SEDAR www.sedar.com and is available from the Company's website at www.nautilusminerals.com. 
 
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 more than 500,000 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 11.1% interest and MB Holdings, an Oman based group with interests in mining, oil & gas, which holds a 16.9% interest. 
 
 
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FOR FURTHER INFORMATION PLEASE CONTACT: 
 
Nautilus Minerals Inc. 
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 
Direct: +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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