UPDATE 1-Indonesia Telkom shareholders approve share buyback

JAKARTA, June 20 (Reuters) - Shareholders of Indonesia's PT Telekomunikasi Indonesia Tbk TLKM.JK on Friday approved a plan to buy back up to 3 trillion rupiah ($323 million) worth of shares within the next 18 months.

The country's largest telecoms firm said last month it planned to buy back shares equivalent to 1.9 percent of its share capital to return excess cash to shareholders and help support the company's share price. [more, reuters]