-Translation- NO. ED-MD2020-0004 February 24th, 2020 Subject: Clarification of changes in excess of 20% in the operating results for year ended 2017 To: Director and General Manager The Stock

2017 Attention President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statement as follows: Quarter 3

President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statement as follows: year 2016 year 2017 Change

President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statements as follows: Quarter 1 / year 2017 Quarter

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries ("the Company") would like to clarify the operating results for the Quarter 3/2019 ended September

of the Stock Exchange of Thailand For the year 2019 period ended of December 31, 2019 operating result of S.Pack & Print Public Company and Its Subsidiary in Statement of Comprehensive Income net

-the-counter center in order to reduce barriers to establishment and operation, imposing regulatory measures to enhance the supervisory efficiency of the Stock Exchange of Thailand and introducing

ASEAN Economic Community in 2015. ?SMEs are a key driver of the Thai economy, generating 37 percent of GDP, 28 percent of the total export value, and 78 percent of the national employment. Yet, they have

previous Quarterly To: The President The Stock Exchange of Thailand As a result of the global economic slowdown, trade and economic negotiations and in Thailand have continued to slow down to wait for

from both domestic and international demand which were impacted by the coronavirus (COVID-19) pandemic and various severe measures for controlling the outbreak. Therefore it affected to the economic