increase in Ft rate. Q3/2018 Financial and Operating Highlights * ไม่รวมต้นทุนค่าเสื่อมราคาและค่าตัดจ าหน่าย Operating highlight in Q3/2018 Q3/17 Q2/18 Q3/18 Change +/(-) 9M/17 9M/18 Change +/(-) (THB

operate domestically, have a credit line with a financial institution not exceeding Baht 500 million, and had a non-NPL status as of December 31, 2019. This will not cover companies listed in the Stock

such change to the SEC Office within seven days from the effective date of the change specifying therein the effective date of such change. Clause 3. The SEC Office shall notify the derivatives business

change to the SEC Office within seven days from the effective date of the change specifying therein the effective date of such change. Clause 3. The SEC Office shall notify the derivatives business

notify and submit a written documents specifying such change to the SEC Office within seven days from the effective date of the change specifying therein the effective date of such change. Clause 3. The

continuity management effectively. At least, companies should conduct a risk assessment and business impacts analysis once a year or when there is a significant change affecting the risks and impacts as such

Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

- 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