ที่ กตพ Ref. DBP. 080 / 2018 May 31, 2018 Subject : Connected Transaction in Respect of Office Lease Agreement Extension To : President The Stock Exchange of Thailand Diamond Building Products Public

the position of Chief Executive Officer of the Company. 25.90 25.77 (25.77) Construction of houses and public utilities system for this company’s real estate project. The Company orders this company to

majority of the Company’s expenses came from employee benefits expenses, fee and service expenses, and finance costs, as follows: KGI Securities (Thailand) Public Company Limited 173 Asia Centre Building

have net loss. Yours faithfully, PATKOL PUBLIC COMPANY LIMITED (Mr.Sangchai Chotchuangchutchaval) Chief Executive Officer

faithfully, PATKOL PUBLIC COMPANY LIMITED (Mr.Sangchai Chotchuangchutchaval) Chief Executive Officer

the position of Chief Executive Officer of the Company. 25.77 25.77 (25.77) Construction of houses and public utilities system for this company’s real estate project. The Company orders this company to

operators shared their experience in preparing to enter the capital market, namely Mr. Boonyong Tansakul., Chief Executive Officer of Zen Corporation Group Public Company Limited, Mr. Rakti Yuankratok

Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND Tel: 02-0195000 18 February 2019 No. ZEN 2562-004 Subject Management Discussion and Analysis for

Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND Tel: 02-0195000 18 February 2019 No. ZEN 2562-006 Subject Management Discussion and Analysis for

No. CAZ 007/2019 15 May 2019 Subject: Management Discussion and Analysis 1st Quarter ended 31 March 2019 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited