Nautilus Minerals Announces Pending Expiry of Rights Offering

TORONTO, ONTARIO--(Marketwired - March 31, 2016) - Nautilus Minerals Inc. (TSX:NUS)(OTCQX:NUSMF) (OTC:NUSMF Nasdaq Intl Designation) (the "Company" or "Nautilus") announces that, further to its news release dated February 23, 2016, regarding the Company's Rights Offering, the Company wishes to remind shareholders that the Rights, which are trading on the Toronto Stock Exchange under symbol NUS.RT, will expire and cease to be exercisable at 2:00 p.m. (Vancouver time) on Wednesday, April 6, 2016.

Shareholders in the eligible offering jurisdictions are urged to contact their brokers or financial advisors well in advance of the expiry date.

The Company has issued one Right for each common share outstanding as of the close of business on March 1, 2016. Each Right is exercisable to acquire 1.541329 common shares of the Company upon payment of the subscription price of C$0.15 per full common share. Fractional shares will not be issued and all fractions will be rounded down to the nearest whole number.

The Rights will cease trading on the Toronto Stock Exchange at 9:00 a.m. (Vancouver time) on April 6, 2016.

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

With respect to the United Kingdom, the securities being offered under the short form prospectus are only available to: (i) persons outside the United Kingdom; or (ii) persons in the United Kingdom who are: (a) a "qualified investor" within the meaning of Section 86(7) of United Kingdom Financial Services and Markets Act 2000, as amended ("FSMA"), acting as principal or in circumstances where Section 86(2) FSMA applies; and (b) also: (1) within the categories of persons referred to in Article 19 (investment professionals) or Article 49 (high net worth companies, unincorporated associations, etc.) of the United Kingdom Financial Services and Markets Act 2000 (Financial Promotion) Order 2005; or (2) are otherwise lawfully permitted to receive them (all such persons together being referred to as "relevant persons"). Such securities are only available to, and any invitation, offer or agreement to subscribe, purchase or otherwise acquire such securities will be engaged in only with, relevant persons. Any person who is not a relevant person should not act or rely on the short form prospectus or any of its contents. The short form prospectus contains no offer of transferable securities to the public in the United Kingdom within the meaning of Sections 85(1) and 102B FSMA. The short form prospectus is not a prospectus for the purposes of Section 85(1) FSMA. Accordingly, the short form prospectus has not been examined or approved as a prospectus by the United Kingdom Financial Conduct Authority ("FCA") under Section 87A FSMA or by the London Stock Exchange and has not been filed with the FCA pursuant to the rules published by the FCA implementing Prospectus Directive 2003/71/EC) nor has it been approved by a person authorized under FSMA, for the purposes of Section 21 FSMA.

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 highly prospective exploration acreage in the western Pacific (granted and under application), as well as in international waters in the Central Pacific.

A Canadian registered company, Nautilus is listed on the (TSX:NUS) stock exchange and trades on the (OTCQX:NUSMF), and is also a member of the Nasdaq International Designation program. Its corporate office is in Brisbane, Australia. Its major shareholders include MB Holding Company LLC, an Oman based group with interests in mining, oil & gas, which holds a 28.14% interest, Metalloinvest, the largest iron ore producer in Europe and the CIS, which has a 20.89% holding and global mining group Anglo American, which holds a 5.99% interest (each on a non-diluted basis, excluding loan shares outstanding under the Company's share loan plan).