Foreign subsidiary, Minerais U.S. LLC, maintains a US dollar (USD) denominated overdraft facility with a South African bank which provides it with the ability to borrow up to an aggregate of USD100 million (2018: USD97,5 million) to finance inventory and trade receivables all of which are insured against default. The facility is available on demand and has no expiry date. Interest on the facility accrues at a variable rate of 0,75% above LIBOR which at year-end was 2,37% (2018: 1,93%). The overdraft is guaranteed by the holding company.