Page 1 of 3 PAP_SET19016 - Translation - August 13rd, 2019 Re: Connected Transaction Information Office Space Rental Attn: The Managing Director The Stock Exchange of Thailand Pacific Pipe Public

Director The Stock Exchange of Thailand Pacific Pipe Public Company Limited ( “ Company” ) would like to notify the resolution of Board of directors’ meeting no.6/2019 held on 13 August 2019. The Board

persuaded other persons to do the same, and (3) Mrs. Panadda Soontornsaratul assisted Chanthani?s insider trading by allowing her to use her trading account for the purpose.Following a referral from the Stock

transaction due to the fact that DEMCO?s director also serves as a director of Aeolus?s major shareholder. DEMCO is accordingly subject to mandatory disclosure of the transaction to the Stock Exchange of

due to the fact that DEMCO?s director also serves as a director of Aeolus?s major shareholder. DEMCO is accordingly subject to mandatory disclosure of the transaction to the Stock Exchange of Thailand

equity offerings both primary listing where foreign companies launch IPOs and become listed firms on the Stock Exchange of Thailand (SET) and dual offering where IPOs by foreign companies are launched in

Limited Attention: President Stock Exchange of Thailand Enclosure: Information Memorandum on Connected Transaction of the Company Concerning Acquisition of Shares in CS LOXINFO Public Company Limited

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public

-Translation- Ref. IR 62/005 March 13, 2019 Subject: Disclosure of the information regarding related party transaction (Additional Information) To : President, The Stock Exchange of Thailand T.K.S

President, The Stock Exchange of Thailand Enclosure: Information Memorandum regarding to the Acquisition of Assets The Extraordinary General Meeting of WCI Holding Public Company Limited., subsidiary company