: pato1@cscoms.com August 11, 2017 President The Stock Exchange of Thailand The consolidated financial statement of Pato Chemical Industry Plc. and its subsidiary for Q2 ended June 30, 2017 operational

15, 2017 Subject: MD&A for the financial statements of the 1st quarter of fiscal year 2017 ended as of March 31, 2017 To: The President The Stock Exchange of Thailand Aapico Hitech Public Company

Justification_E_1-61 NO. AC. 002/2018 15 May 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

the day that the Company has notified the Stock Exchange of Thailand (SET) as Type 1 according to the Rules on the Acquisition or Disposal of Assets. However, the Company does not require to seek

-9320 1 Ref: PLC 2019/009 August 8, 2019 Subject: Management Discussion and Analysis Quarter 2 Ended 30-June-2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

No. ADD 3/2023 22 February 2023 Subject: Management discussion and analysis for the performance for the year ended 31 December 2022 To: President The Stock Exchange of Thailand AddTech Hub Public

1 / 3 IR.031/2020 13 August 2020 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

(-Translation-) Ref. No. SorNor. 036/2018 August 10, 2018 To: The President The Stock Exchange of Thailand Re: Disclosure of Information regarding Connected Transaction by Subsidiary Whereas, the

Baht 6 million. However, the selling expenses increased by Baht 3 million which is in line with the increase in sales revenue. Also, the company recorded employee benefit of Baht 4 million during the

sufficient in inventory space for efficiency stock management and future expansion in the new site. Additionally, the company can extend the products line for business diversification including I-RETAIL