654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

654 3323 No. PACE IR2018/007 Date: 9 February 2018 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

3344 Fax. 66 2 654 3323 No. PACE IR2019/001 Date: 28 February 2019 Subject: Explanation of the Operating Results for the year ended 31 December 2018 changing over 20% To: The President The Stock Exchange

Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the year ended 31 December 2018. The details are as follows

President The Stock Exchange of Thailand PACE Development Corporation Public Company Limited (“the Company”) would like to report the operating results for the third quarter of the year 2018 ended 30

: President The Stock Exchange of Thailand Since the Board of Directors of Filter Vision Public Company Limited (“the Company” or “FVC”) dated December 14, 2017 resolved to approve the signing of Hi Healthcare

Day."As a member of the World Federation of Stock Exchanges, the Stock Exchange of Thailand is delighted to have participated, for the 9th consecutive year, in the Ring the Bell for Gender Equality

Attn President Stock Exchange of Thailand Demeter Corporation Public Company Limited (“DCORP” or the “Company”) would like to submit the reviewed financial statements for the second quarter of the year

1%. • Progress of Corporate Income Tax penalty assessment from the Revenue Department GPSC has been assessed by the Revenue Department for the Corporate Income Tax in respect to 1999 and 2000 revenues

Ref. No. 1902-009EN February 21, 2019 Subject: Operating Result Clarification for the year 2018 (Ending December 31, 2018) To: Director and Manager of the Stock Exchange of Thailand Ubis (Asia