Ref. No. U.SET 026/2018 30 May 2018 Subject: Subscription of 30 Percent of Newly Issued Shares in Vienna House Asia Limited To: The President The Stock Exchange of Thailand U City Public Company

Ref: AC.037/2019 23 December 2019 Subject Notification of the resolutions of the Board of Directors’ Meeting No.7/2019 To President and Managers The Stock Exchange of Thailand Forth Corporation

Ref: AC.037/2019 23 December 2019 Subject Notification of the resolutions of the Board of Directors’ Meeting No.7/2019 (Additional) To President and Managers The Stock Exchange of Thailand Forth

-Translation- 25 February 2019 Subject : The establishment of Vanachai Logistics Company Limited To : President The Stock Exchange of Thailand According to the meeting of board committee of Vanachai

1 No. CC20191104ELE November 12, 2019 Subject Report of the Resolutions of Board of Directors’ Meeting No.5/2019 To President The Stock Exchange of Thailand The Board of Directors’ meeting of Cal

- Translation - Ref : LPH/SET 2018/016 August 10, 2018 Subject : Clarification on the Operating Results for the 3-month and 6-month period ended June 30, 2018 (Q2/2018) To : President The Stock

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

the Agenda of the Extraordinary General Meeting of the Shareholders No. 1/2019. (Amendment 3) To : The Directors and Managing Director. The Stock Exchange of Thailand. The Board of Director‟s Meeting of

May 12, 2020 has resolved to approve the Company’s subsidiary, Cal- Comp Precision Holding Co., Ltd.’s (“CCPT-KY”) initial public offering plan (the “IPO Plan”) to be listed in the Taiwan Stock Exchange