1 / 4 No.IR.002/2018 22 February 2018 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

MDE07_11JUly18 (Translation) No.22/2018 July 11, 2018 President The Stock Exchange of Thailand Re: Notification of the Resolution of the Board of Directors’ Meeting No. 7/2018 We, AEON Thana Sinsap

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

14 August 2019 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

Jotikasthira, President of the Stock Exchange of Thailand (SET) said that ?The SET is delighted to support institutional investors? announcement of proxy voting guidelines at shareholders? meetings. Emphasizing

(Translation) CS 0297/2019 August 13, 2019 Subject: Connected transaction : Renewal of a hotel management advisor agreement Attn: President The Stock Exchange of Thailand With reference to the Board

intention to promote and support the successful implementation of cross-border equity offering and depositary receipt (DR) and serves as another important milestone to reflect the strong relationship

commended the pilot initiative to connect the stock markets of Malaysia and Singapore which could act as a template for future connectivity amongst ASEAN stock markets.The meeting also endorsed the ACMF

researches beneficial to capital market development. The SEC therefore determines to promote these works and inspire stakeholders in capital market industry, including the Stock Exchange of Thailand