\(Microsoft Word - 7 \\301\\244.61 _\\341\\241\\351\\344\\242_ Eng.doc\) January 7 th , 2019 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Vientiane

August 30th, 2019 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Nan-Ram Hospital Co.,Ltd. The board of directors of Ramkhamhaeng Public Co.,Ltd. held on

the 2nd Quarter of 2017 Ending June 30, 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2017

for the 3rd Quarter of 2017 Ending 30 September 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 5

: President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2017 are summarized as

and Analysis for the three-month period ended 30 Jun. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 6

: President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2018 are summarized as

and Analysis for the three-month period ended 30 Sep. 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9

SAAM Energy Development Public Company Limited - 1 - 7 November 2019 Subject: Management Discussion and Analysis for the period ended 30 September 2019 To: The President The Stock Exchange of

วันที่ 25 กุมภาพันธ์ 2558 February 18, 2020 Subject: Management’s Explanation and Analysis for the year ended December 31, 2019 Attention: Director and Manager The Stock Exchange of Thailand LDC