| Dec 22, 2015 | Disclosure: Company Holiday |
| Dec 11, 2015 | Monthly Report On Shareholder Register |
| Dec 08, 2015 | Disclosure: Company Holiday |
| Nov 30, 2015 | Interim Financial Statement |
| Nov 16, 2015 | Response To IDX Queries: Clarification Concerning News In Mass Media |
| Nov 13, 2015 | Report On Annual Public Expose |
| Nov 13, 2015 | Disclosure: Redemption Of Medium Term Notes I Year 2013 |
| Nov 10, 2015 | Monthly Report On Shareholder Register |
| Nov 05, 2015 | Presentation Materials For The Annual Public Expose |
| Nov 02, 2015 | Disclosure: Notification To Engage A Limited Review Of The Q3 - 2015 Quarterly Financial Statement |
| Oct 29, 2015 | Annual Public Expose Announcement |
| Oct 15, 2015 | Report On The Use Of Proceeds From Public Offering |
| Oct 09, 2015 | Monthly Report On Shareholder Register |
| Sep 07, 2015 | Monthly Report On Shareholder Register |
| Aug 11, 2015 | Monthly Report On Shareholder Register |
| Jul 30, 2015 | Print Advertisement Of The Interim Financial Statement |
| Jul 29, 2015 | Interim Financial Statement |
| Jul 14, 2015 | Disclosure: Signing Of Vendor Agreement With PT Mari Bangun Persana Concerning Quarry Management In Donggala Regency |
| Jul 13, 2015 | Disclosure: Company Holiday |
| Jul 13, 2015 | Report On The Use Of Proceeds From Public Offering |
| Jul 08, 2015 | Monthly Report On Shareholder Register |
| Jun 23, 2015 | Changes In Shareholdings Held By Directors / Commissioners / Substantial Shareholders |
| Jun 23, 2015 | Changes In Shareholdings Held By Directors / Commissioners / Substantial Shareholders |
| Jun 10, 2015 | Monthly Report On Shareholder Register |
| May 11, 2015 | Monthly Report On Shareholder Register |
| Apr 30, 2015 | Interim Financial Statement |
| Apr 30, 2015 | Interim Financial Statement (CORRECTION) |
| Apr 29, 2015 | Report On Annual Public Expose |
| Apr 21, 2015 | Presentation Materials For The Annual Public Expose |
| Apr 21, 2015 | Annual Public Expose Announcement |
| Apr 14, 2015 | Report On The Use Of Proceeds From Public Offering |
| Apr 10, 2015 | Monthly Report On Shareholder Register |
| Apr 06, 2015 | Cash Dividend Payment Schedule |
| Apr 06, 2015 | Results Of The Annual General Meeting Of Shareholders |
| Apr 06, 2015 | Print Advertisement Of The Results Of The Annual General Meeting of Shareholders |
| Mar 24, 2015 | Annual Report 2014 (CORRECTION) |
| Mar 12, 2015 | Monthly Report On Shareholder Register |
| Mar 10, 2015 | Print Advertisement Of The Annual Financial Statement |
| Mar 10, 2015 | Invitation To The Annual General Meeting Of Shareholders |
| Mar 10, 2015 | Print Advertisement Of The Invitation To The Annual General Meeting Of Shareholders |
| Mar 09, 2015 | Annual Financial Statement |
| Mar 09, 2015 | Annual Report 2014 |
| Feb 24, 2015 | Print Advertisement Of The Announcement Of The Annual General Meeting Of Shareholders |
| Feb 23, 2015 | Announcement Of The Annual General Meeting Of Shareholders |
| Feb 12, 2015 | Monthly Report On Shareholder Register |
| Jan 15, 2015 | Report On The Use Of Proceeds From Public Offering |
| Jan 12, 2015 | Monthly Report On Shareholder Register |
