Disclose the Notice of the 2022 Annual General Meeting of Shareholders on Website

Notification of the Company’s Board of Directors resolutions 1/2022, convening of the 2022 Annual General Shareholders Meeting the change in Par Value of the Company, Dividend payment, Capital increase and the allocation of newly issued ordinary shares to accommodate the common stock dividend payment.

Financial Statement Yearly 2021 (Audited)

Audit Yearly F/S 2021 (F45) (Audited)

Management Discussion and Analysis Yearly Ending 31 Dec 2021

Notification of the progress of EJIP 2022-2024

Notification of the Audit Committee resignation and appointment Chairman of the Audit Committee and Audit Committee.

Notification of the Resolution of the Board of Directors Meeting Re: Employee Joint Investment Program #2

Financial Performance Quarter 3 (F45) (Reviewed)

Financial Statement Quarter 3/2021 (Reviewed)

Management Discussion and Analysis Quarter 3 Ending 30 Sep 2021

Shareholders’ proposal on agenda and Names of Director of 2022 Annual General Meeting of Shareholders in advance

Financial Statement Quarter 2/2021 (Reviewed)

Management Discussion and Analysis Quarter 2 Ending 30 Jun 2021

Financial Performance Quarter 2 (F45) (Reviewed)

Interim Dividends Payment

Chemical Explosion in Samutprakarn

Financial Statement Quarter 1/2021 (Reviewed)

Management Discussion and Analysis Quarter 1 Ending 31 Mar 2021

Reviewed Quarter 1 F/S (F45-1)

Publication of the Minutes of the 2021 Annual General Shareholders Meeting and DVD Provided

Share holders meeting

Disclose the Notice of the 2021 Annual General Meeting of Shareholders on Website

Management Discussion and Analysis Yearly Ending 31 Dec 2020

Audit Yearly F/S 2020 (F45-1)

Management Discussion and Analysis Yearly Ending 31 Dec 2020

Audit Yearly F/S 2020 (F45-1)

Financial Statement Yearly 2020 (Audited)

Announcement of the company’s board of director resolutions 1/2021, Dividend payment, Date & Agenda of AGM 2021

Reviewed Quarter 3 F/S (F45-1)

Management Discussion and Analysis Quarter 3 Ending 30 Sep 2020

Financial Statement Quarter 3/2020 (Reviewed)

Shareholder’s proposal on agenda and name of Director of 2021 Annual General Meeting of Shareholders in advance

Reviewed Quarter 2 F/S (F45-1)

Management Discussion and Analysis Quarter 2 Ending 30 Jun 2020

Financial Statement Quarter 2/2020 (Reviewed)

Interim Dividends Payment

Reviewed Quarter 1 F/S (F45-1)

Management Discussion and Analysis Quarter 1/2020

Financial Statement Quarter 1/2020 (Reviewed)

Publication of the Minutes of the 2020 Annual General Sharholders Meeting and DVD provided

Share holders meeting’s resolution

Guidline for the Annual General Meeting of Shareholders 2020

Management Discussion and Analysis Yearly Ending 31 Dec 2019

Notify Company Secretary

Audit Yearly F/S 2019 (F45-1)

Financial Statement Yearly 2019 (Audited)

Announcement of the company’s board of director resolutions 1/2020, Dividend payment, Date & Agenda of AGM 2020

Financial Statement Quarter 3/2019 (Reviewed)

Financial Statement Quarter 3/2019 (Reviewed)

Management Discussion and Analysis Quarter 3 Ending 30 Sep 2019

Shareholder’s proposal on agenda and name of Director of 2020 Annual General Meeting of Shareholders in advance

Notification of the appointment of Chairman of Audit Committee

Notification the Reappointment of Director, replace the resigned director

Reviewed Quarter 2 F/S (F45-1)

Management Discussion and Analysis Quarter 2 Ending 30 Jun 2019

Financial Statement Quarter 2/2019 (Reviewed)

Interim Dividend Payment

Resignation of Director

Management Discussion and Analysis Quarter 1 Ending 31 Mar 2019

Reviewed Quarter 1 F/S (F45-1)

Financial Statement Quarter 1/2019 (Reviewed)

Publication of the Minutes of the 2018 Annual General Shareholders Meeting and DVD Provided

Shareholders meeting’s resolution

Disclose the Notice of the 2019 Annual General Meeting of Shareholders on Website

Management Discussion and Analysis Yearly Ending 31 Dec 2018

Audited Yearly F/S (F45-1)

Financial Statement Yearly 2018 (Audited)

Announcement of the company’s board of director resolutions 1/2019, Dividend payment, Date&Agenda of AGM 2019

Change in CFO / Chief Accounting

Notification of the progress of Employee Joint Investment Program (EJIP 2019-2021)

Management Discussion and Analysis Yearly Ending 30 Sep 2018

Financial Statement Quarter 3/2018 (Reviewed)

Notification of the Resolution of the Board of Directors Meeting Employee Joint Investment Program Year 2019 – 2021

SEC News : Summery 246-2 Date 31 October 2018

Shareholders’ proposal on agenda and Names of Director of 2019 Annual General Meeting of Shareholders in advance

Management Discussion and Analysis Quarter 2 Ending 30 Jun 2018

Reviewed Quarter 2 F/S (F45-1)

Financial Statement Quarter 2/2018 (Reviewed)

Interim Dividends Payment

Management Discussion and Analysis Quarter 1 Ending 31 Mar 2018

Reviewed Quarter 1 F/S (F45-1)

Financial Statement Quarter 1/2018 (Reviewed)

Publication of the Minutes of the 2018 Annual General Shareholders Meeting and DVD Provided

To Notify Company’s director and CEO who passed away and to appoint replacing the passed away CEO

Notification of Resolutions of the 2018 Annual General Meeting of Shareholders

Management Discussion and Analysis Yearly Ending 31 Dec 2017

Audited Yearly F/S (F45-1)

Financial Statement Yearly 2017 (Audited)

Announcement of the company’s board of director resolutions 1/2018, Dividend payment, Date&Agenda of AGM 2018

Management Discussion and Analysis Quarter 3 Ending 30 Sep 2017

Reviewed Quarter 3 F/S (F45-1)

Financial Statement Quarter 3/2017 (Reviewed)

Shareholders’ proposal on agenda and Names of Director of 2018 Annual General Meeting of Shareholders in advance

Interim Dividends Payment

Management Discussion and Analysis Quarter 2 Ending 30 Jun 2017

Reviewed Quarter 2 F/S (F45-1)

Financial Statement Quarter 2/2017 (Reviewed)

Management Discussion and Analysis Quarter 1 Ending 31 Mar 2017

Reviewed Quarter 1 F/S (F45-1)