Sept 5 (Reuters) - Aneka Tambang (Persero) Tbk Pt ANTM.JK
* EBITDA in the first half of 2017 amounted to RP361.8 billion, a 35% increase over same period in 2016
* HY net sales decreased 28% year-on-year to RP3.01 trillion, compared to net sales in 1H16 of RP4.16 trillion