the service providers are as follows: (1) The Stock Exchange of Thailand or; (2) Limited company or public limited company established by the Stock Exchange of Thailand and hold shares not less than

are as follows: (1) The Stock Exchange of Thailand or; (2) Limited company or public limited company established by the Stock Exchange of Thailand and hold shares not less than seventy-five percent of

the Office, if the service providers are as follows: (1) The Stock Exchange of Thailand or; (2) Limited company or public limited company established by the Stock Exchange of Thailand and hold shares

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public

-Translation- Ref. IR 62/005 March 13, 2019 Subject: Disclosure of the information regarding related party transaction (Additional Information) To : President, The Stock Exchange of Thailand T.K.S

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) - Translation - 24 May 2019 Subject : Disclosure of connected transaction by a subsidiary Attention : President The Stock Exchange of Thailand Vanachai Group Public

December 3, 2018 Re: Assistance financial to the related companies. To: Director and Manager of Stock Exchange of Thailand According to the Board of meeting of D.T.C. Industries Plc. No. 6/2018 on

NEP 045-2562 12 September 2019 Subject: Resolutions of the Board of Directors' Meeting regarding entering into transaction with connected person To: President The Stock Exchange of Thailand The

NEP 045-2562 12 September 2019 Subject: The Sale of the machines to connected person (Add Information) To: President The Stock Exchange of Thailand The resolution of the Board of Directors’ Meeting

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) - Translation - 11 June 2020 Subject : Disclosure of connected transaction by a subsidiary Attention : President The Stock Exchange of Thailand Vanachai Group Public