Ref.No.IVL001/08/2019 8th August 2019 President The Stock Exchange of Thailand Subject: Acquisition of Integrated Oxides and Derivatives Businesses/ Assets Enclosure: Information concerning the Acquisition of

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

2019 Subject: Reports on Connected Transaction (receiving financial assistance) Dear: President The Stock Exchange of Thailand The Board of Directors’ Meeting of G J Steel Public Company Limited (“the

Shares of Taitanan Company Limited (a Joint Venture Company) To : President, The Stock Exchange of Thailand Enclosure : Information Memorandum Concerning the Acquisition of Nava Nakorn Public Company

Disposal of Assets to the Stock Exchange of Thailand • Convene a shareholders’ meeting to consider and approve the entering in to the transaction in the acquisition of land and buildings and the disposal

, requires full disclosure of information and action to the Board of Directors of the Stock Exchange of Thailand. However, such transaction is not considered as an item requiring disclosure. Please be informed

of information and action to the Board of Directors of the Stock Exchange of Thailand. However, such transaction is not considered as an item requiring disclosure. Please be informed accordingly

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) -Translation- 25 June 2019 Subject : Disclosure of connected transaction by a subsidiary company Attention : President The Stock Exchange of Thailand Vanachai Group

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) -Translation- 25 June 2018 Subject : Disclosure of connected transaction by a subsidiary company Attention : President The Stock Exchange of Thailand Vanachai Group

Baht 100 million or 3% of the Company’s Net Tangible Assets, whichever is lower. Accordingly, this transaction shall be approved by the Board of Directors and disclosed to the Stock Exchange of Thailand