and Analysis for Year Ending December 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1/2019

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(Translation) 9 April 2019 Subject: Disclosure of Additional Information on the Tender Offer for the Securities of Glow Energy Public Company Limited (Form 247-4) No.1 Attention: Secretary-General

on the SEC website. No. Firm Name CPA Reg No. Period of Approval 1 A&A OFFICE COMPANY LIMITED NO.246 TIMES SQUARE BUILDING, 21ST FLOOR, ROOM NO. 21-01 SUKHUMVIT, ROAD 12-14, KHLONG TOEI, BANGKOK 10110

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) increased by Baht 2 million and Baht 27 million from Q1/2017 and Q2/2016, respectively. This is because the power plant started COD on 3 June 2016. • Shares of profit from Nam Lik 1 Power Company Limited

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of