As well as Merdeka Copper Buyback IDR 568 Billion. Merdeka Copper Gold Tbk (MDKA IJ) plans to buy back shares of 2%. Of the company’s issue and paid-up capital. This issuer allocate IDR 568 billion for the corporate action. MDKA in the disclosure of information release on Monday, June 22, 2020 explain. The buyback plan will be carry out in stages within 18 months of approval.