South African marine operations

IMDH Group has conducted extensive high-resolution geophysical surveys as part of a mineral prospecting campaign in South African waters in the north-western region close to the Orange River mouth.
Based on the analysis of the survey data, the Group undertook sampling tests to assess the concentration and grade of resources. The results confirmed rich diamondiferous resources and the Group is planning further strategic drilling programmes together with the development of current mining programmes.
Pursuant to the finalisation of a preliminary mining programme concerning the sea concession 1B of Alexkor SOC Ltd, the mining vessel m/v Ya Toivo was initially commissioned during the second trimester of 2016. Three campaigns have been undertaken during 2016/2017 with a further in August 2018 in the said concession, and carats in excess of the set target recovered.
Furthermore, in early 2017 a bulk sampling programme started in a part of the sea concession 2C to define economic mine-ability of the area and to confirm mining reserves and the currently available mining blocks. Pursuant to conversion of the prospecting right over the sea concession 2C into a twenty-years mining right, a systematic exploration campaign in support of mining operations was developed to allow systematic mining operations, which commenced during mid-2018. Further, survey works in 2C are and will be executed over the remaining resource areas.

Sea concession 3C was surveyed in selected areas with the m/v DP Star alongside the lower southern block; data interpretation was finalised thereby allowing the m/v  The Explorer to complete phase 1 of a reconnaissance sampling campaign in January 2018. 

Cumulatively, during the 2018 the m/v Ya Toivo has recovered 220,000 carats over 9 months of activity across Namibian and South African operations (being the vessel under charter to third parties during the remining part of the year). The first quarter of 2019 has recorded a production of 95,000 carats already. 
CT 11.52 stone recovered within sea concession 2C
32 Cts. fancy yellow stone recovered within sea concession 1B
South African marine concessions
Detail of Namibian and South African concession areas off the Orange River mouth
4 Groot Tiras Street
Republic of Namibia

Tel.: +264 (0) 61 27 27 61
Fax: +264 (0) 61 27 27 62
19 Chain Avenue
Montague Gardens
7441 Cape Town
Republic of South Africa

Tel.: +27 (0) 21 510 1881
Fax: +27 (0) 21 510 5035
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