Ref Ref. HF 0021 / 2018 February 23rd, 2018 Subject : Notification of the resolution of the Board of Directors No. 1/2018 (Edit) To : Director and Manager of The Stock Exchange of Thailand We, Hwa

/2018) To : Director and Manager of The Stock Exchange of Thailand We, Hwa Fong Rubber (Thailand) Public Company Limited, would like to notify the resolution of the Board of Directors Meeting No.1/2018

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS020/2018 May 10, 2018 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

SAAM Energy Development Public Company Limited - 1 - 21 February 2020 Subject: Management Discussion and Analysis for the year ended 31 December 2019 To: The President The Stock Exchange of Thailand

1 No. CC20200203ELE February 28, 2020 Subject Report of the Resolutions of Board of Directors’ Meeting No.1/2020 To President The Stock Exchange of Thailand The Board of Directors of Cal-Comp

Ref Ref. HF 0021 / 2018 February 23rd, 2018 Subject : Notification of the resolution of the Board of Directors No. 1/2018 To : Director and Manager of The Stock Exchange of Thailand We, Hwa Fong

President The Stock Exchange of Thailand Takuni Group Public Company Limited (“The Company”) and its subsidiaries (“The Group”) would like to clarify the change in operating result for the period ended 31

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SAAM Energy Development Public Company Limited - 1 - 7 November 2019 Subject: Management Discussion and Analysis for the period ended 30 September 2019 To: The President The Stock Exchange of

the Connected Transaction and Scheduling of Extraordinary General Meeting of Shareholders No. 1/2017 Attention : The President of the Stock Exchange of Thailand Enclosure: Information Memorandum on the