PT Siwani Makmur Tbk (the Company) was established under the name PT Super Indah Makmur based on Notarial Deed No. 43 dated June 7, 1985 of Wiryomartani, SH. On September 23, 1996 its changed the name to be PT Van Der Horst Indonesia, Tbk, and on February 20, 2001, it changed again its named to be PT Siwani Makmur, Tbk.