: pato1@cscoms.com August 11, 2017 President The Stock Exchange of Thailand The consolidated financial statement of Pato Chemical Industry Plc. and its subsidiary for Q2 ended June 30, 2017 operational

Page 1 of 3 No. ACC6308/002 13 September 2020 เรื่อง Operating Results Clarification for the second quarter 2020, ended June 30 2020 เรียน Director/ Managing Director The Stock Exchange of Thailand

, 2017 To: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report the unaudited operating result for the period ended June 30, 2017 as

The Stock Exchange of Thailand Eureka Design Public Company Limited (the “Company”) would like to inform the resolutions of the Board of Director’s meeting No. 3/2019 held on 11 June 2019 to enter into

The President The Stock Exchange of Thailand The Board of Director’s Meeting No. 10/2018 of J.S.P. Property Public Company Limited, held on August 14, 2018 agree to resolution regarding the following

-Translation- Ref. IR 62/005 March 13, 2019 Subject: Disclosure of the information regarding related party transaction (Additional Information) To : President, The Stock Exchange of Thailand T.K.S

) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited Reference to the Board of Directors

Limited To: Director and Manager The Stock Exchange of Thailand As the Board of Directors Meeting of Wiik & Hoeglund Public Company Limited ("the Company") No. 5/2018 on October 12, 2018, approved Wiik

Registration No. : 0107535000371 No. L009/2019 9th May 2019 Subject : The explanation of operating results for the 1st quarter 2019 Attention : The President The Stock Exchange of Thailand Dear Sir, For the

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 28/2017 August 15, 2017 To : The President The Stock Exchange