www.ucity.co.th Ref. No.U.SET 020/2018 20 April 2018 Subject : Investment in hotel business in Bratislava Slovakia To : The President The Stock Exchange of Thailand Whereas the Meeting of the Board of Directors of

Quarterly Ending March 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2018 dated May 10, 2018

(Translation) 1 / 2 CS 0238 /2019 June 25, 2019 Subject: Connected transaction : Selling Land ( Correction of Title deed No.) Attn : President The Stock Exchange of Thailand With reference to the

MATI 05/2562 February 27, 2019 Subject Reporting Annual Consolidated Financial Statement which ended at December 31, 2018 To Director and Manager The Stock Exchange of Thailand Operating income of

?The Best Information Booth? award from Charamporn Jotikasthira, the President of the Stock Exchange of Thailand on December 13, 2013. Survey on the visitors at SET in the City 2013 during November 21-24

retail investors and prevent inproportionate share allocation to patrons and related persons of the issuing company in such a way that could control the IPO volume on the Stock Exchange of Thailand (SET

ADMS 30/07 1/2 RC 18/20 8 May 2020 Subject : Report on the Company’s operating results for the first quarter of the year 2020 Attention : President of the Stock Exchange of Thailand The Board of

ที่ - Translation - PorBor. 029 / 2018 August 14, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

. (9/1) “SET” means the Stock Exchange of Thailand; (10) “Office” means the Office of the Securities and Exchange Commission; (11) “units” means investment units of mutual fund, certificate of pooling

M.D. 219/2019 November 15, 2019 Subject : Disclosure of the information connected transaction (Revised) To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited