PT Sinar Tambang Arthalestari announced that it has received an equity round of funding from existing investor PT Panasia Indo Resources Tbk on June 14, 2013. The capital of the company increased to IDR 385,556,294,000. Pursuant to the transaction, the investor will maintain its shareholding percentage of 51%.

On June 14, 2013, PT Sinar Tambang Arthalestari closed the transaction.