Tango Mining Ltd Stock Toronto S.E.

Southstone Minerals Limited is a Canadian junior mining company. The Company holds a 43% interest in the Oena Diamond Mine (Oena), an alluvial diamond property, located in the Northern Cape Province, Republic of South Africa that consists of one New Order Mining Lease. The Oena Project is 8,800 hectares in size and covers about 4.8 kilometer (km) wide strip along a 15 km length of the lower Orange River. Oena, a producing alluvial diamond property, is located within an alluvial diamond mining province about 50 km upstream of Namdeb’s Auchas and Daberas alluvial diamond mines, located on the Namibian or north bank of the Orange River, and about 15 km and 60 km upstream of Trans Hex’s Reuning and Baken alluvial diamond mines. Its subsidiaries include TGV Resources (Pty) Ltd, African Star Minerals (Pty) Limited, and GAH Mining (Pty) Ltd.