ที่ - Translation - PorBor.076 / 2017 November 14, 2017 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

derives in Philippines. Details are as follow: Buyer (Remained No Change) Cal-Comp Electronics (Philippines) Inc. (“CCPH”), a wholly-owned subsidiary of the Company Seller (Remained No Change) Kinpo

1 -Translation- No.ECF2 004/2018 24 January 2018 Subject: Change in Shareholding Structure of the Planet Board Company Limited, a Subsidiary Company of the Company To: President The Stock Exchange of

Microsoft Word - Resolution BD-1-62 _EN_ RE February 27, 2019 Subject: Dividend Payment, The Change of Company’s name, Memorandum of association, Objectives, Articles of association, Company’s seal

The Securities and Exchange Commission (SEC) held a meeting with the Department of Climate Change and Environment (DCCE), the Ministry of Natural Resources and Environment (MNRE), the Thailand

Power MahaNakhon Company Limited ("KPM") earlier this year, such transaction caused the change of the lessor of the MahaNakhon Cube Building from the Company’s subsidiary to KPM including change of rental

Electronics (Thailand) Public Company Limited (the “Company”) No. 2/2018 was held on May 15, 2018 the following resolutions were passed: 1. The Board of Directors approved the change of Company’s management

caused the change of the lessor of the MahaNakhon Cube Building from the Company’s subsidiary to a new lessor. The lease agreements were terminated prior to the expiry date and there have been some

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