| Date | Category | Event | Remark |
|---|---|---|---|
| 25 April 2014 | AGM/EGM/Circulars | AGM 47th | |
| 18 March 2014 | SET Opportunity Day | Opportunity Day for Q4/2013 | |
| 22 August 2013 | SET Opportunity Day | Opportunity Day for Q2/2013 | |
| 26 April 2013 | AGM/EGM/Circulars | AGM 46th | |
| 14 March 2013 | SET Opportunity Day | Opportunity Day for Q4/2012 | |
| 26 November 2012 | AGM/EGM/Circulars | EGM No. 1/2012 | |
| 24 August 2012 | SET Opportunity Day | Opportunity Day for Q2/2012 | |
| 12 July 2012 | Company Visit | Company Visit | event on Thursday 12th, July 2012 at 9.00-12.00 pm. @ 17th Floor, CAT Telecom Building, Bangrak, Bangkok |
| 30 May 2012 | Ex-Dates | Payment Date | |
| 30 April 2012 | AGM/EGM/Circulars | AGM 45th | |
| 22 March 2012 | SET Opportunity Day | Opportunity Day for Q4/2011 | |
| 30 November 2011 | SET Opportunity Day | Opportunity Day for Q3/2011 |