No No. CC20190204ELE February 27, 2019 Re: Clarification of the changes in operation performance for the year ended 31 December 2018 Attn: The President The Stock Exchange of Thailand Cal-Comp

August 9, 2018 Subject : Management Discussion and Analysis for six-month and 2nd quarter ended June 30, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues

appreciation still affected sale revenue. Other income of 3rd quarter on 2018 increased 28.04 percent due to higher gain from exchange rate. 1.2 Cost of goods sold and expenses (Thousands Baht) Nine-months

Rules for Operation of Derivatives Exchange

November 14, 2017 Subject : Management Discussion and Analysis of 3rd quarter ended September 30, 2017 Attention : President The Stock Exchange of Thailand Operating Performance . Revenues Three

The Securities and Exchange Commission (SEC), in collaboration with the Federation of Thai Capital Market Organizations (FETCO) and the Thai Digital Asset Operators Trade Association (TDO), co

exchange. The two parties also discussed the enhancement of fundraising supervision and the roles of financial advisors to ensure that the aforesaid companies will be able to grow sustainably while complying

May 13, 2019 Subject: Management Discussion and Analysis For the three-month period ended March 31, 2019 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited (“The

The Bank of Thailand (BOT) and the Securities and Exchange Commission (SEC), as co-leads of the Thailand Taxonomy Board released the draft Thailand Taxonomy Phase I for public consultation during 26

Ref. APURE 004/2020 February 23, 2020 Subject : Financial Position and Operating Performance of year 2020 Attention : The Director and President of the Stock Exchange of Thailand Financial Position