| 14/12/2018 | Appointment of CFO |
| 07/12/2018 | Exercise schedule and price for the warrants to purchase ordinary shares of The International Engineering Public Company Limited No. 2 (IEC-W2) 11 round of exercise (December 2018) |
| 29/11/2018 | Shareholder Participation in Proposing Agenda of Meeting and Nominating Candidate(s) for Director in the 2019 AGM |
| 13/11/2018 | Announcement of the company’s Public Holidays for the year 2019 |
| 09/11/2018 | IEC Announces the SEC information Form 246-2 |
| 30/10/2018 | Appoint Chairman of Advisor's Company |
| 30/10/2018 | Resignation and appointment of Chief Executive Officer |
| 29/10/2018 | Results of the supreme court's judgment on the lawsuit regarding purchase transaction at subsidiary's ethanol plant at Rayong province |
| 23/10/2018 | Report on the results of sale of common shares offered to existing common shareholder (F53-5) |
| 03/10/2018 | Report on the results of sales of securities (F53-5) |