. Sincerely yours, (Mr. Tradsin Chongussayakul) Chief Executive Officer and Acting Managing Director T Engineering Corporation Public Company Limited

Baht. Please be informed accordingly Best Regards, Home Pottery Public Company Limited 赫 b (Mr. Niran Chourkittisopon) Managing Director POTTERY HOME POBL]C CoMPANY LIMITLD

1 / 2 IR.017/2019 13 August 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

Chongussayakul) Chief Executive Officer and Acting Managing Director T Engineering Corporation Public Company Limited

Directors’ Meeting of Vinythai Public Company Limited (“Vinythai”) No. 5/2018, held on 29 November 2018, at 13.30 hours, at Ratchaphruek Room, Vinythai Public Company Limited, 18th Floor, Q.House Sathorn

1 / 2 IR.023/2018 13 November 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

informed accordingly. Sincerely yours, ( Mr. Tradsin Chongussayakul ) Chief Executive Officer and Acting Managing Director T Engineering Corporation Public Company Limited

Buanoom) Managing Director Well Graded Engineering Public Company Limited

Sincerely, - Mr. Kriangsak Buanoom - (Mr. Kriangsak Buanoom) Managing Director Well Graded Engineering Public Company Limited

. Kriangsak Buanoom) Managing Director Well Graded Engineering Public Company Limited