Nautilus Minerals Discovers More SMS Systems in Tonga

Nautilus Minerals Inc. (the “Company” or “Nautilus Minerals”) announces the discovery of two (2), high grade, Seafloor Massive Sulfide (“SMS”) systems on its wholly owned exploration tenements in the territorial waters of the Kingdom of Tonga (“Tonga”).

Grab samples from these discoveries assayed up to 11.9% copper, 59.8% zinc, 28.6 g/t gold and 673 g/t silver.

Mike Johnston, Nautilus Minerals’ CEO commented “These discoveries further highlight the prospectivity of our Tongan exploration tenements, particularly the high precious metal grades we continue to encounter in the NE Lau Basin. They will be added to the 17 SMS systems, as previously reported on our Tongan prospecting licenses, which are being considered for further evaluation”.

The SMS systems were sampled during an 18 day marine scientific research cruise between the 9th and 26th of September 2012. The samples were collected as a part of a broader research effort in the NE Lau Basin.

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Press Release, November 02, 2012