PT Greenwood Sejahtera Tbk (JKSE:GWSA) entered into sale and purchase agreement to acquire PT Sinar Bonana Jaya from Tunggul Simanjuntak and Betty Donna Christina Siahaan for IDR 22.5 billion on August 24, 2009. The transaction amount will be paid in 8 installments upon fulfillment of certain conditions. Tunggul Simanjuntak will sell its 0.02 million shares and Betty Donna will sell its 0.03 million shares. Tunggul Simanjuntak and Betty Donna agreed to sell the shares and receivable owned by them for IDR 5 billion and 17.5 billion respectively. As of September 13, 2013, PT Greenwood Sejahtera Tbk has carried out its obligations up to the third payment as set forth in the agreement with the total or IDR 2.85 billion.

PT Greenwood Sejahtera Tbk (JKSE:GWSA) cancelled the acquisition of PT Sinar Bonana Jaya from Tunggul Simanjuntak and Betty Donna Christina Siahaan on April 7, 2014.