STP&I Plc. (STPI)?s shares using inside information. With the referral from the Stock Exchange of Thailand (SET), the SEC investigation revealed that Choavalit, Yanyong and Ziriwat had purchased STPI

Limited. The Company has already registered the changes to the Department of Business Development, Ministry of Commerce on April 17, 2019. In this regard, the Company still uses the same stock symbol “RATCH

@halcyon.co.th No. CS-2563/003 27 February 2020 Subject: Management Discussion and Analysis for the Year Ended December 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

: Management explanation and analysis for the year ended 31 December 2017 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify

No. 256111002 14 November 2018 Subject: Management Discussion and Analysis for the third quarter ended 30 September 2018 To: President The Stock Exchange of Thailand M Vision Public Company Limited

: The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit of Eastern Power Group Public Co., Ltd. (EP) for Q2/2020 is Baht 116.57 million in comparison with net profit of

1 Ref: AC.016/2019 4 May 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

already registered the changes to the Department of Business Development, Ministry of Commerce on April 17, 2019. In this regard, the Company still uses the same stock symbol “RATCH”. Management Discussion

- Translation - 11 August 2017 Subject: Management’s Discussion and Analysis for the Operating Results of the Second Quarter of 2017 Attention: The President of the Stock Exchange of Thailand Exotic

-1 -Translation- Ref. LPN/SorKor/146/2562 9th May 2019 Re: Financial Statements Analysis Report Q1/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to