Page 1 of 5 - Translation - Ref. WINNER 0018/2019 May 13, 2019 Re Management Discussion and Analysis (MD & A) for Q1/2019 To The President The Stock Exchange of Thailand 1. Analysis of Overall

quarter, the exchange rate of THB against US Dollar was weaken resulting to the Company had loss from exchange rate by THB 184 million. However, in the second quarter of 2018, the Company had the sale

by Baht 461.6 million, trade and other receivables increased by Baht 363.4 million and receivables under finance lease increased by Baht 15.7 million from the changing in exchange rate. Inventories

funding for its own production. This is to maintain market share and to meet demand for HRC local customers. However, the domestic steel industry has been affected by a trade war between China and the

portion of trade debts into equity and gain form exchange rate which those non-cash revenues were high at Baht 1,045 million while this year the company has such non-cash gain only Baht 225 million. From

Ref. No. 1908/028EN June 13, 2019 Subject Management Discussion and Analysis for Q2/2019 (Ending June 30, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

73 1 / 4 Pef. MD 092/2017 10th August 2018. Subj Management Discussion and Analysis (MD&A) Q2/2018 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

1 Translation CEN 031-2018 August 14, 2018 Subject : Management Discussion and Analysis for business operation of Quarter 2-2018 To : The Manager and President The Stock Exchange of Thailand Business

No. ADD 4/2022 23 February 2022 Subject: Management discussion and analysis for the performance of the year 2021 ended 31 December 2021 To: President The Stock Exchange of Thailand AddTech Hub Public

No. ADD 3/2024 22 February 2024 Subject: Management discussion and analysis for the performance for the year ended 31 December 2023 To: President The Stock Exchange of Thailand AddTech Hub Public