หัวข้อ (Translation) No. Tor.For 1/2019 January 24, 2019 Subject: Transactions with the connected persons in 2019 To: The President of the Stock Exchange of Thailand The Board of Director’s Meeting

Securities and Exchange Commission No. Sor Thor. 29/2559 Re: Rules in Detail on Financial Resource and Risk Management of Securities Clearing Houses ________________________ By virtue of Clause 5 (1), in

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

February 17, 2020 To: The President The Stock Exchange of Thailand Re: 2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to report the Company’s 2019 operating

disclose information on the said transaction to the Stock Exchange of Thailand (“SET”) in accordance with the Acquisition or Disposal Notification as follows: 1. Date / Month / Year of the Transaction After