Nautilus Minerals NUSMF (NUSMF)

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Nautilus Minerals Issues Updated Technical Report for CCZ Project

Toronto Ontario, March 21, 2013 - Nautilus Minerals Inc. (TSX: NUS, OTCQX: NUSMF) (the "Company" or "Nautilus") announces that it has filed on SEDAR an updated technical report in respect of the Clarion Clipperton Zone Project being undertaken by its wholly owned subsidiary Tonga Offshore Mining Limited, entitled "Updated NI 43-101 Technical Report, Clarion-Clipperton Zone Project, Pacific Ocean".

The updated report provides additional information on methodology, data verification and mineralisation, as well as several additional maps and figures. It is updated as of March 20, 2013, and has an effective date of March 20, 2013. The resource remains unchanged from the original report which was released on September 24, 2012 (see links section for full press release).

Links

http://www.nautilusminerals.com/s/Media-NewsReleases.asp?ReportID=549339

The Updated NI 43-101 Technical Report, Clarion-Clipperton Zone Project, Pacific Ocean has been filed on www.sedar.com and is also available on the Company's website www.nautilusminerals.com/s/Investors-Financials.asp.

For more information please refer to www.nautilusminerals.com or contact:

Investor Relations
Nautilus Minerals Inc. (Toronto)
Email: [e-mail]
Tel: [phone]

Dahlman Rose & Co., LLC
Christopher R. Weekes
1301 Avenue of the America's
New York, NY 10019
Direct: [phone]

Neither the TSX nor the OTCQX accepts responsibility for the adequacy or accuracy of this press release.