* Note Please find further information in the consolidated financial statements. 1 May 13th, 2020 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2020 Attention: The President

(Translation) Ref.No.LEE 04/2020 14 May, 2020 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2020 To : President of The Stock Exchange of Thailand We submit

Reef:020/1999 Ref : 31/2020 May 15, 2020 Subject : The explanation of operating results for the first quarter of 2020 (Revise) To : The SET President Vibhavadi Medical Center Plc. would like to

Date : May 15, 2020 Subject : Management Discussion and Analysis for the Quarter 1/2020 To : Managing Director The Stock Exchange of Thailand Kuang Pei San Food Products Public Company Limited would

1 - TRANSLATION - KT/PB (Q-Con) 007/2020 May 15, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2020

MJD.IR.005/2020 15 May 2020 Subject : Clarification of the operating result for the year 2020 ended March 31, 2020 Attention : Director and Managing Director The Stock Exchange of Thailand Major

May 15, 2020 Subject : Management Discussion and Analysis for 1st quarter ended March 31, 2020 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

World Corporation Public Company Limited. Ref. World 05-05/2020 4 Moo 11 Hathai Rat Road, Tumbon Lat Sawai Ampur Lum Luk Ka, Pathum Thani Province 15 May, 2020 Subject: Management Discussion and

No. INGRS050 15th June 2020 Subject : Explanation on 3-months financial performance of INGRS for the period ended 30 April 2020 To : The President The Stock Exchange of Thailand Ingress Industrial

August 11, 2020 SET-20-AC-003 Dear : The President The Stock Exchange of Thailand Subject : Clarification of Result’s Operation for the six months ended June 30, 2020 According to the resolution of