Gold mining company Harmony Gold realised a net gain of R902-million from its hedging in the six months to December 31, Harmony Gold FD Boipelo Lekubo said on Tuesday. In presenting Harmony’s superb set of dividend-yielding half-year results of profit soaring 336% to R5.8-billion in the six months to December 31, Lekubo said the company was locking in higher prices as part of its derivative programme while also continuing to enjoy favourable commodity pricing on the unhedged portion of its exposure.