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.์ -4332-7776 E-mail: kcmetalsheet@hotmail.com Website: www.kcmetalsheet.co.th No. KCM61/005 March 28, 2018 Subject Clarification of operating result for the year 2017 ended December 31, 2017 (Edit

Clarification of the three-month operating results ending on 31 March 2018 To The President of the Stock Exchange of Thailand Matching Maximize Solution Public Company Limited (the Company) would like to clarify

Management Discussion and Analysis Q1/2018 Page 1/4 JAS Asset Public Company Limited - Translation - IR61/006 10 May 2018 Subject: Management Discussion and Analysis, 1st Quarter Ending 31 March 2018

Management Discussion and Analysis, for the three-month period ended March 31, 2018 The analysis of operating result for the three-month period ended March 31, 2018 Comparing accumulated operating

จดหมายชี้แจงQ160e May 15, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 31 March 2017 Summary of the 1 st Quarter

steel price trend while inventory still had higher price. Also, when comparing to the same period of last year, inventories on hand end of 31 March 2016 had low cost since last quarter of year 2015. 4

Business Operators dated 1 March 2006, the Office of the Securities and Exchange Commission hereby issues the Notification relating to the Securities Companies and Derivatives Business Operators’ Holidays

1 March 2006, the Office of the Securities and Exchange Commission hereby issues the Notification relating to the Securities Companies and Derivatives Business Operators’ Holidays for B.E. 2551 (2008

Exchange Act B.E 2535 (1992) and Clause 2 of the Notification of the Securities and Exchange Commission No. KorThor. 9/2549 Re: Business Days and Holidays of Derivatives Business Operators dated 1 March 2006