| Date | Event | Detail |
| 5 June 2020 | Annual General Meeting of Shareholders 2020 | 09:30 hrs. at The Synergy Hall, 6th Floor, Building C, The Energy Complex, 555/3 Vibhavadi - Rangsit Road, Chatuchak, Chatuchak, Bangkok 10900 |
| 20 May 2020 | Opportunity Day 1Q2020 | 15.20 - 16.20 hrs. by watching the broadcast live via SET's website www.set.or.th/oppday |
| 12 May 2020 | Analyst Meeting for 1Q2020 operating results | 14:00 - 16:00 hrs. at Facebook Live : GGC Investor Relations Private Groupk |
| 26 February 2020 | Opportunity Day FY2019 | 15.20 - 16.20 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 24 February 2020 | Analyst Meeting for FY2019 operating results | 14:00 - 16:00 hrs. at Banquet Room, 5th Floor, Enco Building C, Bangkok |
| Date | Event | Detail |
| 3 December 2019 | Opportunity Day 3Q2019 | 9:00 - 10:00 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 13 November 2019 | Analyst Meeting for 3Q2019 operating results | 14:00 - 16:00 hrs. Customer Solution Center (CSC), 1st Floor, Enco Building, Bangkok |
| 5 September 2019 | Opportunity Day 2Q2019 | 14:10 - 15:10 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 14 August 2019 | Analyst Meeting for 2Q2019 operating results | 14:00 - 16:00 hrs. at Banquet Room, 5th Floor, Enco Building C, Bangkok |
| 16 May 2019 | Analyst Meeting for 1Q2019 operating results | 9:00 - 11:00 hrs. at Banquet Room, 5th Floor, Enco Building C, Bangkok |
| 16 May 2019 | Opportunity Day 1Q2019 | 16:30 - 17:30 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 2 April 2019 | Annual General Meeting of Shareholders 2019 | 09:30 hrs. at Vibhavadee Ballroom, Centara Grand at Central Plaza Ladprao |
| 28 February 2019 | Opportunity Day FY2018 | 16:30 - 17:30 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 22 February 2019 | Analyst Meeting for FY2018 operating results | 14:00 - 16:00 hrs. at Banquet Room, 5th Floor, Enco Building C, Bangkok |
| Date | Event | Detail |
| 12 November 2018 | Opportunity Day Q3/2018 | 09:00 - 10:00 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 9 November 2018 | Analyst Meeting Q3/2018 | 15.00 - 17.00 hrs. at The Synergy Hall, 6th Floor, Enco Building C, Bangkok |
| 22 August 2018 | Opportunity Day Q2/2018 | 15:20 - 16:20 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 16 August 2018 | Analyst Meeting Q2/2018 | 9:00 - 11:00 hrs. at Banquet Room, ENCO Building C, 5th Floor |
| 23 May 2018 | Opportunity Day Q1/2018 | 15:20 - 16:20 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 10 May 2018 | Analyst Meeting Q1/2018 | 14:00 - 16:30 hrs. at Ladproa Suite, Centara Grand Lardproa, Bangkok |
| 5 April 2018 | Annual General Meeting of Shareholders 2018 | 09:30 hrs. at Vibhavadee Ballroom, Centara Grand at Central Plaza Ladprao |
| 6 March 2018 | Opportunity Day Q4/2017 | 11:20 - 12:35 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| Date | Event | Detail |
| 21 November 2017 | Opportunity Day Q3/2017 | 15:20 - 16:20 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 14 November 2017 | Analyst Meeting Q3/2017 | 14:00 - 16:30 hrs. at Synergy Hall 1, EnCo C Building, Floor 6. |
| 31 August 2017 | Opportunity Day Q2/2017 | 15:20 - 16:20 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 18 August 2017 | Analyst Meeting Q2/2017 | 13:00 - 15:00 hrs. at Synergy Hall 1, EnCo C Building, Floor 6. |
| 23 May 2017 | Opportunity Day Q1/2017 | 15:20 - 16:20 hrs. at Meeting Room 603, The Stock Exchange Thailand |
| 23 May 2017 | Analyst Meeting Q1/2017 | 09:00 - 12:00 hrs. at Centara Grand at Central Plaza Ladprao Bangkok, Vibhavadee Ballroom A |