Oct 4 (Reuters) - Tri-Stage :
* Says it will buy 216,600 shares of PT. MERDIS INTERNATIONAL at 1.32 billion yen in total from Kim Kyung Hyun in Dec.
* Says it will raise stake in PT. MERDIS INTERNATIONAL to 74 perent from 37.3 percent
Source text in Japanese: goo.gl/JQ9zKK
Further company coverage: (Beijing Headline News)