1 No. CC20170804ELE August 10, 2017 Subject Report of the Resolutions of Board of Directors’ Meeting No. 4/2017 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal-Comp

-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 - 15 May 2019 Subject : Disclosure of connected transaction by a subsidiary Attention : President The Stock Exchange of Thailand Vanachai Group Public

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

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

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) - Translation - 30 June 2020 Subject : Disclosure of connected transaction by a subsidiary Attention : President The Stock Exchange of Thailand Vanachai Group Public

ED-MD2020-0022 June 25th, 2020 Subject: Information Memorandum regarding the approval and ratification of the purchase land 3 plots Attention: Directors and Managers The Stock Exchange of Thailand

________________________ By virtue of Paragraph 1 of Section 109 and Paragraph 1(2) of Section 141 of the Securities and Exchange Act B.E. 2535 (1992) , with the approval of the Capital Market Supservisory Board, Section19

________________________ By virtue of Paragraph 1 of Section 109 and Paragraph 1(2) of Section 141 of the Securities and Exchange Act B.E. 2535 (1992), with the approval of the Capital Market Supservisory Board, Section19

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