IndygoTech Minerals S.A.

Major Shareholding Notification • Apr 11, 2017

10^th of April, 2017

Polish Financial Supervision Authority (Komisja Nadzoru Finansowego) Plac Powstańców Warszawy 1 00-950 Warsaw

Prime Minerals S.A. ul. Traugutta 42a 05-825 Grodzisk Mazowieckie

NOTIFICATION OF INCREASE IN THE SHARE IN THE TOTAL NUMBER OF VOTES IN PRIME MINERALS S.A. WITH ITS REGISTERED OFFICE IN GRODZISK MAZOWIECKI

Acting in the name of Black River DWC - LLC, with its registered office in, Business Logistics City, Dubai Aviation City, PO BOX 336266, Dubai, United Arab Emirates, established and operating under the law of UAE, ("Black River"), pursuant to Article 69, of the Act of 29 July 2005 on public offering and conditions of introduction of financial instruments into on organized trading system and on public companies (Journal of Laws of 2009, No. 185, item 1439, as amended), I the undersign Piotr Brzeski, hereby notify the Polish Financial Supervision Authority and Prime Minerals S.A. with its registered office in Grodzisk Mazowiecki (KRS No. 0000426498) ("Prime Minerals"), that - in connection with the share purchase transaction out of the regulated market dated 06.04.2017 ("the event") – the number of votes Black River has in the total number of votes in Prime Minerals, has increased above 10%.

Before the event, Black River owned 345 859, ordinary bearer shares of Prime Minerals, i.e. 6,23% of the share capital of Prime Minerals, giving 345 859 votes at the General Meeting of Shareholders of Prime Minerals, i.e. 6,23% of total votes at the General Meeting of Shareholders of Prime Minerals.

Since the event Black River holds, 808 359 ordinary bearer shares of Prime Minerals, i.e. 14,56 % of the share capital of Prime Minerals, giving 808 359 votes at the General Meeting of Shareholders of Prime Minerals, i.e. 14,56 % of total votes at the General Meeting of Shareholders of Prime Minerals.

In addition I inform you that no subsidiaries of Black River, holds any shares in the share capital of Prime Minerals. Moreover Black River not entered into any agreement with any third party of the transfer of rights to exercise the voting rights from the shares of Prime Minerals.

Piotr Brzeski