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

efficiently. Beside this, The Company focused on managing the account receivable turnover especially debtor screening policy efficiently. Therefore, there has been no record for an uncollectible account from