Connected Transactions in Respect of Office Building Lease Attn: President of the Stock Exchange of Thailand Getabec Public Company Limited (the “Company”) hereby notifies that the Board of Directors’ meeting

recent development in this area is the SEC Board’s approval of amendments to the Stock Exchange of Thailand (SET) regulations to improve the screening process for companies applying for SET listing and to

1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

Jor. 62/2561 Re: Offer for Sale of Bonds Denominated in Foreign Currency in the Kingdom of Thailand ________________ By virtue of Section 16/6 of the Securities and Exchange Act B.E. 2535 (1992), as

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 078/0960 21

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

into 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

change attend the ate) from J under the e Extraordin for holding gnation of D date to reco dinary Gen of Thailand on Names o 1) ting of Nati the “Comp ows, signation o rectors to re Mr.Apivut T lace Mr. Po

, Section 36, Section 41, Section 43, Section 44, Section 45 and Section 64 of the Constitution of the Kingdom of Thailand so permit by virtue of law, as well as Clause 16(6) of the Ministerial Regulation

contents are written and underlined in blue. No. ORI 66/2017 1 November 2017 Subject: Resolutions of Board of Directors Meeting No. 12/2017 Attention: President Stock Exchange of Thailand Enclosures: 1