Nautilus Minerals Inc. (the “Company” or “Nautilus”) announces changes to its board of directors with the appointment of Usama Barwani and Mark Horn and the resignation of Matthew Hammond.

Geoffrey Loudon, Nautilus Minerals’ Chairman said “I would like to thank Matthew for his valuable contribution to the Company over the past four years and wish him well for the future. I would also like to welcome Usama and Mark to the Board and look forward to their input in helping the Company achieve its objective of developing the world’s first commercial seafloor copper-gold project.”

Following the resignation of Mr Hammond and the appointment of Mr Barwani and Mr Horn, the members of the Company’s Board of Directors are as follows:

- A.Geoffrey Loudon (Chairman and Non-Executive Director)

- Dr. Mohamed Al Barwani (Non-Executive Director)

- Russell Debney (Non-Executive Director)

- Cynthia Thomas (Non-Executive Director)

- Usama Barwani (Non-Executive Director)

- Mark Horn (Non-Executive Director)

Mr Usama Barwani

Mr Barwani is the Director (Business Development) and a shareholder of MB Holding Company LLC, Nautilus Minerals’ largest shareholder. He is also Managing Director of United Engineering Services, the MB group’s manufacturing and engineering arm and holds board positions for a number of companies including Ahli Bank Oman, one of the fastest growing banks in Oman. He has a Bachelor of Science in Engineering from the University of Tulsa (USA) and a Master of Science in Energy, Trade and Finance from Cass Business School (UK).

Mr Mark Horn

Mr Horn has worked as an international fund manager, financial analyst and corporate financier, and has extensive international experience in the resources and technology sectors. Mr Horn was nominated by Metalloinvest, which is Nautilus Minerals’ second largest shareholder.

Press Release, September 25, 2013