SAAM Energy Development Public Company Limited - 1 - 10 May 2019 Subject: Management Discussion and Analysis for the period ended 31 March 2019 To: The President The Stock Exchange of Thailand SAAM

Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 13 May 2019 No. ZEN 2562-018 Subject Management Discussion and Analysis for 3

May 13th, 2019 Subject Management Discussion and Analysis for the three months period ended March 31, 2019 To The President The Stock Exchange of Thailand Day Dream Public Company Limited (the

Management Discussion and Analysis for the second quarter ended June 30, 2019 Attention The President The Stock Exchange of Thailand Attachment Report and interim financial statement for the second quarter

SAAM Energy Development Public Company Limited - 1 - 9 August 2019 Subject: Management Discussion and Analysis for the period ended 30 June 2019 To: The President The Stock Exchange of Thailand SAAM

of Thailand Enclosure : 1. Financial Statements for the Second quarter ended June 30,2019 2. Management Discussion and Analysis Nawarat Patanakarn Public Company Limited would like to submit Reviewed

26 July 2018 At: ACC/HO 021/18 Re: Management Discussion and Analysis for the three-month period and six-month ended 30 June 2018 To: President The Stock Exchange of Thailand The Thai economy

No. CAZ 1/2019 21st January 2019 Subject: Management Discussion and Analysis Quarter 3rd ending 30 September 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company

Limited. (“ERV”) shall invest to purchase the newly issued ordinary share of ERV by 24,999 shares at the price of Baht 100 per share, total investment value is Baht 2,499,900 (par value of Baht 100 per

Revolution Company Limited. (“ERV”) shall invest to purchase the newly issued ordinary share of ERV by 24,999 shares at the price of Baht 100 per share, total investment value is Baht 2,499,900 (par value of