acquisition transaction of the company and subsidiary. Attention: President Stock Exchange of Thailand Enclosures: 1. Summary of Adjustment of the Exercise Ratio by adjusting Number of ORI- W1 2. Information

regarding Definition of Institutional Investor, Ultra High Net Worth, and High Net Worth Investor; “client” means user of an intermediary’s services; “Stock Exchange” means the Stock Exchange of Thailand

Ref.No.IVL001/08/2019 8th August 2019 President The Stock Exchange of Thailand Subject: Acquisition of Integrated Oxides and Derivatives Businesses/ Assets Enclosure: Information concerning the Acquisition of

Subject : Notification for Resolution of Board of Director's Meeting No. 8/2019 regarding the Acquisition and Disposition of Assets of the Company Attention: President, The Stock Exchange of Thailand

The Board of Directors’ Meeting No. 12/2018 of Master Ad Public Company Limited (the “Company”) held on November 23, 2018, has passed the resolutions for the following significant matters: 1. approved

. บรษัิท โกลบอลกรนีเคมคิอล จํากดั (มหาชน) Management’s Discussion and Analysis | 3 Note : (1) Adjusted EBITDA refers to EBITDA excluding impact of Stock Gain/(Loss) and NRV Operating Performance Table 1

shall be presented in the following manners: (1) a return rate based on the estimated financial statements having been considered and viewed by an auditor on the approved list of the SEC Office as

Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 7/2019 of General Engineering Public Company Limited (“the Company”) held on November 14, 2019 has approved and verified the

Management Discussion and Analysis (MD&A) for 2019 Page 1/5 - Translation - J63/002 25 February 2020 Re: Management Discussion and Analysis (MD&A) for 2019 To: President The Stock Exchange of

: President The Stock Exchange of Thailand According to the resolution of the Board of Directors Meeting of JMT Network Services Public Company Limited ("the Company") No. 1/2020, held on 26 February 2020, has