, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (Translation) No. 031/0461 April 12, 2018

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (Translation) No. 037/0561 May 8, 2018 Subject

of the total issued shares of the Company and indirectly hold 18.97 percent of the total issued shares of the Company through GSTEL (after registration of the Company’s paid-up capital)1, will nominate

Commission No. KorThor. 7/2547 Re: Registration of Derivatives Business Operator in the Category of Derivatives Broker and Derivatives Dealer By virtue of Section 6, Section 9 and the third paragraph of

/2547 Re: Registration of Derivatives Business Operator in the Category of Derivatives Broker and Derivatives Dealer By virtue of Section 6, Section 9 and the third paragraph of Section 16 of the

GJS will seek the annual general meeting’s resolution to ratify the financial support transaction for GSTEL in the form of short-term loan worth not exceeding 94 million baht without any collateral

applicable limitations under paragraph (5), including— (A) temporary suspension or permanent revocation of registration under this title; (B) temporary or permanent suspension or bar of a person from further

share 3.3 The reason of the acquisition Investment in Taitanan shall enhance service and support the expansion of telecommunications system in Nava Nakorn according to good standards and quality in order

concerning audit quality control system. If the SEC Office still views that the applicant is unqualified, the applicant may object to the SEC Office’s decision and present more evidence to support the

Securities and Exchange Commission which have stipulated the preparation of the appraisal report to support such proceedings, including [i] the disclosure of information, [ii] the solicitation of a resolution