Comments on: “Trading costs on the Stock Exchange of Thailand” Authors: Charoenwong C., Ding D.K., Jenwittayaroje N. Comments on: “Risk-taking behaviour during downturn: evidence of loss-chasing and

Page 1 of 2 Ref. PDI/BK-BS-41/2018 11 th May 2018 To: President The Stock Exchange of Thailand Re: Clarification on Company’s performance of the 1 st Quarter 2018 For the first quarter of 2018

Ref. PDI/BK-BS-011/2019 25th February 2019 Re: Management Discussion and Analysis (MD&A) For the year ended December 31, 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod

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Ref. PDI/BK-BS-076/2018 7th November 2018 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2018 To: President The Stock Exchange of

-1- AIT (VP-SEC) 022E/2021 November 9, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q3-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q3

, sustaining our market share as the number 1 Office media player with a total of 177 buildings under management and 1,374 digital screens. The Outdoor media segment recorded revenue of THB 266mn, which

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Business Group recorded an increase in retail sales volume, while industrial sales volume softened from the company’s products stock management during TAM, in order not to interfere with sales of the retail