Nautilus Minerals Inc.
TSX VENTURE : NUS
AIM : NUS
AIM : NUSR

Nautilus Minerals Inc.

March 15, 2007 09:42 ET

Nautilus Minerals Inc.: Major Shareholdings Following US$175 Million Private Placements

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - March 15, 2007) - Nautilus Minerals Inc. (TSX VENTURE:NUS)(AIM:NUS)(AIM:NUSR) (the "Company" or "Nautilus") announces that, following the closings of the previously announced private placements in the United Kingdom on AIM and in North America, under which the Company raised aggregate gross proceeds of US$175 million (the "Private Placements"), the shareholdings of its four major shareholders in the issued common shares of the Company before and after the Private Placements are as follows:



------------------------------------------------------------------------
Shareholder Shares Held % of Common % of Common
before Shares before Shares Held Shares after
Private Private after Private Private
Placements Placements Placements Placements
------------------------------------------------------------------------
Epion Holdings 16,350,000 19.9% 21,849,109 16.8%
------------------------------------------------------------------------
Anglo American
(indirect) 8,333,334 10.1% 8,333,334 6.4%
------------------------------------------------------------------------
Teck Cominco 7,575,758 9.2% 7,575,758 5.8%
------------------------------------------------------------------------
Barrick Gold 4,783,163 5.8% 4,783,163 3.7%
------------------------------------------------------------------------
Total shares
in issue 82,355,912 130,149,618
------------------------------------------------------------------------


Both Anglo American, through its wholly owned subsidiary, Taurus Investments SA, and Teck Cominco maintain their previously granted anti-dilution rights in respect of future issuances of the Company's securities while Epion's anti-dilution rights have now terminated. Barrick has not previously had, and does not currently have, any anti-dilution rights in respect of future issuances of the Company's securities.

David Heydon, CEO of the Company, commented: "Following the completion of the $175 million private placements earlier this year, the Company is well positioned to execute its business plan. The financings have also introduced a number of leading institutional investors to the Company, which has brought a balance of influence to the share register. Teck Cominco maintains a direct project influence with the recent secondment of several of its staff into Nautilus's project team, along with the commitment to pay US$12 million as part of an option to form joint ventures with Nautilus in the future."

Options

The Company has cancelled 170,000 options previously issued to employees and consultants and granted 245,000 options to consultants and employees of the Company on March 7, 2007 at a price of C$4.83 for a term of three years vesting as to 20% every six months for a period of 30 months starting six months from the date of grant.

About Nautilus Minerals Inc.

Nautilus is the first company to commercially explore the ocean floor for high grade gold-copper-zinc-silver seafloor massive sulphide deposits and is positioned to become a world leader in underwater mineral exploration. The Company's main focus for 2007 is the Solwara 1 Project, located in the territorial waters of Papua New Guinea in the western Pacific Ocean.

Neither the TSX Venture Exchange nor the London Stock Exchange accept responsibility for the adequacy or accuracy of this release.

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