Harmony's trading update said it expects headline earnings per share - South Africa's most common profit measure - between 9.37 and 9.76 rand ($0.4965-$0.5172) in the six months to Dec. 31, up from 2.93 rand in the same period of 2022.

The miner estimates a gold production increase by as much as 14% year on year to between 820,000 and 835,000 ounces. The company said it also recorded higher grades and prices than a year earlier.

Shares in Harmony were up 6.1% at 114 rand by 0949 GMT.

Harmony, which has operating mines and projects in South Africa, Papua New Guinea and Australia, is scheduled to release half-year results on Feb. 28.

($1 = 18.8715 rand)

(Reporting by Nelson BanyaEditing by David Goodman)