Page 1 of 3 May 10, 2019 Re: Management Discussion and Analysis for Quarter 1/2019 (March 31 ,2019) To: Director and Manager of the Stock Exchange of Thailand Patkol Public Company Limited and its

Derivatives Broker | Registered Derivatives Broker | License to Undertake Derivatives Business in the Category of Derivatives Broker Limited to Precious Metals Derivatives   Company Name Head Office Data not

with Institutional Investors Investor which is a financial institution under the Commercial Banking Act, securities company, non-life insurance company, life insurance company, statutory company, mututal

this Notification: (1) “ fund ” means an infrastructure fund; (2) “ management company ” means a securities company holding a license to manage mutual funds; (3) “ infrastructure asset ” means: (a) the

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 093/1060 19 October

to be the appraisal company in capital market and the lead appraiser under first paragraph shall conform to the register requirements of the Institution of Appraisal Profession under Chapter 2. The

be repealed. Clause 2 In this Notification: “securities company” means any company licensed to undertake securities business, excluding any financial institution established by other laws, which

Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

the financial institution The company’s strategy in Q4/2018 The Company continues to focus on domestic market and maintain its market share as same as the last 3 quarters. On other sided in foreign

business only with Institutional Investors Investor which is a financial institution under the Commercial Banking Act, securities company, non-life insurance company, life insurance company, statutory