1 10000/055/2018 20 June 2018 Subject: Notification of the Investment in OKEA AS To: Directors and Manager The Stock Exchange of Thailand Bangchak Corporation Public Company Limited (the “Company

24 July 2018 To: The President The Stock Exchange of Thailand Re: Q2-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2018 (Apr-Jun

No. 256108004 6 August 2018 Subject: Management Discussion and Analysis for 6-month period ended 30 June 2018 To: President The Stock Exchange of Thailand M Vision Public Company Limited (“the

No. : 0107535000371 No. L039/2018 7th August 2018 Subject : The explanation of operating results for the 2nd quarter 2018 Attention : The President The Stock Exchange of Thailand Dear Sir, For the

Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (the “Company”) Meeting Resolution No. 4/2018 on 8 August 2018, the resolution to certify the Company’s financial statements and

Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for

Acc. 006/2018 August 9, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2018 Dear Sir, S. Khonkaen Foods Public Company Limited

. 022 / 2018 August 9, 2018 Subject Explanation of the operating performance for 3-month period ended June 30, 2018 To Managing Director The Stock Exchange of Thailand Pan Asia Footwear Public Company

(Translation) Ref. No. 1808/036EN August 10, 2018 Subject: Operating Result Clarification for Q2/2018 (Ending June 30, 2018) To: Director and Manager of the Stock Exchange of Thailand Ubis (Asia