, Sukhumvit Rd., Km. 39.5 Bangpoomai, Amphur Muang Samutprakarn, Samutprakarn 10280, Thailand Tel. 66 2323 1085..96 Fax. 66 2323 9283 (Translation) 14 May 2020 Subject: Management Discussion and Analysis (MD&A

Limited would like to submit the report of Management Discussion and Analysis for the 3-month period ended March 31, 2020 which has been unaudited but reviewed by the auditor this is caused by followings

1/2 L-WAVE ENT 20/2020 15 May 2020 Subject : Management’s Discussion and Analysis for the first quarter 2020 operating results with variation greater than 20% compared to the same period of 2019 To

-4124 MMS-AC63/039 August 7, 2020 Subject: Management Discussion and Analysis of Operating Results for 2Q20 ending June 30, 2020 To: The President Stock Exchange of Thailand Matching Maximize Solution

Microsoft Word - MD&A SET Q2'2020 ENG.doc Page 1 of 2 August 10, 2020 Re: Management Discussion and Analysis for Quarter 2/2020 (June 30 ,2020) To: Director and Manager of the Stock Exchange of

(Translation) Ref.No.LEE 11/2020 11 August, 2020 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2020 To : President of The Stock Exchange of Thailand We submit

management since the end of last year by focusing on reduction in subcontractor cost as a necessity and change some organizational structure to suit with the current situation. Discussion and Analysis of the

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

August 11, 2020 Subject : Management Discussion and Analysis for Six-month and 2nd quarter ended June 30, 2020 Attention : President The Stock Exchange of Thailand Operating Performance 1. Revenues

: Management Discussion and Analysis for the 2nd Quarter ended 30 June 2020 To: The President The Stock Exchange of Thailand Operating results of S 11 Group Public Company Limited (“the Company”) for the 2nd