Bangchak Corporation Plc. Management Discussion & Analysis of Business Operation For Quarter 2/2020 09 - Refinery & Trading 14 - Marketing 16 - Power Plant 18 - Bio-based Products 20 - Natural

Bangchak Corporation Plc. Management Discussion & Analysis of Business Operation For Quarter 1/2020 11 - Refinery & Trading 16 - Marketing 19 - Power Plant 21 - Bio-based Products 23 - Natural

discussion and analysis for the year ended December 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of Wiik & Hoeglund Public

Ref: UWC 025/2562 November 13, 2019 Subject: Management Discussion and Analysis 3rd Quarter ended September 30, 2019 To: President The Stock Exchange of Thailand Ua Withya Public Company Limited

-1- Ref. POL. 028/2020 February 25, 2020 Re: Management Discussion & Analysis of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P Syndicate Public

-1- AIT (VP-SEC) 026E/2017 7 November, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q3-2017 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

and Analysis for the three-month period ended 30 Jun. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 6

and Analysis for the three-month period ended 30 Sep. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9

SAAM Energy Development Public Company Limited - 1 - 4 January 2019 Subject: Management Discussion and Analysis for the 9-month ended 30 September 2018 To: The President of the Stock Exchange of

. 1 Tambon Tarsit, Amohoe Pluag-daeng, Rayong (Translation) 1 KWM 005/2563 May 14th, 2020 Subject : Management Discussion and Analysis for the 3-month period ended March 31, 2020 To : President The