: BI.IO.(1) 7/2018 June 6, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Perennial HC Holdings Pte. Ltd. On behalf of Bangkok Bank Public Company Limited (“the

: BI.IO.(1)14/2018 August 9, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Siam Solar Generation Company Limited On behalf of Bangkok Bank Public Company

set-q2-61 (Translation) LEE 10/2018 14 August 2018 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2018 To : President of The Stock Exchange of Thailand We submit

จดหมายชี้แจงq261e August 14, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2018 Summary on Second Quarter

จดหมายชี้แจงq361e November 12, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2018 Summary on Third Quarter

ที่ กบร No. Kor Bor Ror. 020/2018 November 13, 2018 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 3rd quarter, 2018 Dear

. (A Joint Venture Company) To : President, The Stock Exchange of Thailand Regarding the information memorandum of acquisition Thai Thanan Company Limited (“Thai Thanan”) in the amount of 51,000 shares

of the Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating

three -month period ended March 31, 2020 Attention: President The Stock Exchange of Thailand Further to our submission of the report and the financial statements for the three-month period ended March 31

Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating performance