SAAM Energy Development Public Company Limited - 1 - 4 January 2019 Subject: Management Discussion and Analysis for the year ended 31 December 2017 To: The President of the Stock Exchange of Thailand

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 082/0960 25

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 084/0960 26

-up capital)6, will nominate new directors to hold more than half of the board seat, and will appoint executives to hold key managerial positions, including the Chief Executive Officer of the Company

company in the market to seize the opportunity to transform itself to become a provider of Offline-to-Online (“O2O”) Solutions. Now it is the leading company offering all-rounded advertising services that

and its agenda before the meeting date via the Company website www.eforl-aim.com. Please be informed accordingly. Yours sincerely (Mr. Preecha Nuntnarumit) Chief Executive Officer Information Memorandum

www.bangkokchainhospital.com 1 บริษทั บางกอก เชน ฮอสปิทอล จ ากดั (มหาชน) Bangkok Chain Hospital Public Company Limited No. BCH.028/2020 24 February 2020 Subject : Management Discussion and Analysis for the year ended 31

of the year 2018. Please be informed accordingly. Yours Faithfully, (Ms. Natha Kittiaksorn) Chief Financial Officer PACE Development Corporation Public Company Limited

of the year 2018. Please be informed accordingly. Yours Faithfully, (Ms. Natha Kittiaksorn) Chief Financial Officer PACE Development Corporation Public Company Limited 6 | P a g e Pace Development

accordingly. Yours sincerely, -Signature- (Mr. Slib Soongswang) Chief Executive Officer Authorized Signatory Attachment 1 (F 53-4) -Translation- 1/6 Capital Increase Report Form Hydrotek Public Company Limited