assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 3) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2

engaged in the manufacture and distribution of High Density Polyethylene (HDPE) pipe and related certain fittings, Low Density Polyethylene (LDPE) pipe, Polypropylene (PP) pipe, Polybutylene (PB) pipe

POST 019/2019 16 December 2019 Subject Notification convening date of the Extraordinary General Meeting of Shareholders No. 1/2020 To The President The Stock Exchange of Thailand 93 Ratchadaphisek

Payment of Corporate Guarantee fee for the relating company (RPT) To: The Managing Director The Stock Exchange of Thailand (SET) According to the Extraordinary Shareholders Meeting of Phuket Fantasea Public

production line of flexible packaging and the machine setup process is not complete and new employee lack of expert skill and the use of raw material is inefficient, cause a high production cost. 3. Selling

increase of registered capital, the issuance and the allocation of the newly-issued shares to specific persons (Private Placement) and the convening of the Extraordinary General Meeting of Shareholders No. 1

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended) To: The President The Stock Exchange of Thailand

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 2) To: The President The Stock Exchange of

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 3) To: The President The Stock Exchange of

to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise) To : President, The Stock Exchange of Thailand