(Translation) CS 0297/2019 August 13, 2019 Subject: Connected transaction : Renewal of a hotel management advisor agreement Attn: President The Stock Exchange of Thailand With reference to the Board

Microsoft Word - letYQ118MD&AE .doc ( Translation ) 14th May 2018 Subject: Management Discussion and Analysis (MD&A) for the 1st quarter period of year 2018 To: Managing Director of the Stock

ที่ กตพ Ref. DBP. 080 / 2018 May 31, 2018 Subject : Connected Transaction in Respect of Office Lease Agreement Extension To : President The Stock Exchange of Thailand Diamond Building Products Public

of shareholding proportion by buying of 23% newly issued common shares of Ekachai International Co., Ltd., which is Ekachai Medical Care PCL. subsidiary. To : Directors and Manager The Stock Exchange

the Stock Exchange of Thailand The Company would like to clarify the net profit for the 9-month periods of the year ending on 30th September 2018 had decreased more than 20% comparing to the same period

November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange

year 2019 To: Managing Director of the Stock Exchange of Thailand The Company would like to clarify the net profit for the 3rd quarter and 9-month periods of the year ending on 30th September 2019 had

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) -Translation- 13 November 2018 Subject : Subsidiary’s related transaction (acquisition of machine and equipment) To : President The Stock Exchange of Thailand The

1 --Translation- Sor Gor 75/2017 July 21, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation- Sor Gor 85/2017 August 24, 2017 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2017 (Audited) To: The President The Stock Exchange of Thailand