JOHANNESBURG, March 2 (Reuters) - South Africa's insurer MMI Holdings reported a 5 percent decline in half-year earnings due to weak investment markets and lower health administration revenues, the company said on Thursday.
* MMI, which sells life and short term insurance, said diluted core headline earnings for the six months to end December came in at 99.6 cents from 104.7 cents in 2015.
* "Diluted core headline earnings decreased mainly due to lower morbidity profits, lower health administration revenues, and weak growth in asset-based fee income as a result of weak investment markets," MMI said in a statement.
* MMI declared an interim dividend of 65 cents per share
* ($1 = 13.0027 rand) (Reporting by Nqobile Dludla; Editing by Ed Stoddard)