Nautilus Minerals General Investor Update

TORONTO, ONTARIO -- (Marketwire) -- 02/20/13 -- Nautilus Minerals Inc. (TSX: NUS)(OTCQX: NUSMF)(AIM: NUS) (the "Company" or "Nautilus") will hold a conference call and audio/webcast on Thursday, February 21, 2013 at 10.00 a.m. Eastern Standard Time (3.00 p.m. London/GMT).

Conference Call Details

Webcast link: http://www.media-server.com/m/p/j4vqmnu2

Dial-in numbers:

International Dial In:        +61 2 8524 5042
Australia:                    1800 801 825
Canada:                       1855 842 3490
United Kingdom:               0800 0150 9725
United States of America:     1855 298 3404

If your country dial-in number is not included here please email investor@nautilusminerals.com.

A presentation to support the conference call will be posted on www.nautilusminerals.com for download by 9:30 a.m. EST (Toronto) on Thursday, February 21, 2013.

About Nautilus Minerals Inc.

Nautilus is the first company to explore the ocean floor for polymetallic seafloor massive sulphide deposits. Nautilus was granted the first mining lease for such deposits at the prospect known as Solwara 1, in the territorial waters of Papua New Guinea, where it is aiming to produce copper, gold and silver. The company has also been granted its environmental permit for this site.

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.

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

Contacts:

Nautilus Minerals Inc. (Toronto)

Investor Relations

+1 (416) 551 1100
investor@nautilusminerals.com
www.nautilusminerals.com


Numis Securities Limited

Nominated adviser: Alastair Stratton/Stuart Skinner

Corporate broking: James Black

+ 44(0) 20 7260 1000


Dahlman Rose & Co., LLC

Christopher R. Weekes

Direct: +1 212 372 5766

1301 Avenue of the America's

New York, NY 10019