Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 6/2020 of General Engineering Public Company Limited (“the Company”) held on November 16, 2020 has approved and verified the

: President The Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (“the Company”) Meeting Resolution No. 6/2019 on 6 August 2019, the resolution to certify the Company’s financial

2nd quarter of 2020 and 6-month period ended 30 June 2020 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the Group”), are pleased to provide you our

. (MPIC is a company listed on the Philippine Stock Exchange and is the developer of large-scale infrastructure projects in the Philippines such as power plants, highways, waterworks and light rails.) The

listed on the Philippine Stock Exchange and is the developer of large-scale infrastructure projects in the Philippines such as power plants, highways, waterworks and light rails.) The joint venture with

Page 1 of 4 No. RJH – SET 8/2019 13 May 2019 Subject : Management’s Discussion and Analysis for the First Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

Page 1 of 4 No. RJH – SET 7/2020 11 May 2020 Subject : Management’s Discussion and Analysis for the First Quarter of 2020 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

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

matter may be outlined according to the eight principles7 prescribed by the Stock Exchange of Thailand, as follows: (1) Fair business practices (2) Anti-corruption (3) Human rights protection (4) Equitable

August 11, 2017 Re: Management Discussion and Analysis for the period 3 months June 30, 2017 To: The Registrar, Stock Exchange of Thailand Patkol Public Company Limited : Management Discussion and