(-Translation-) Ref. No. U.SET 001/2019 January 7, 2019 Subject : Acquisition of ordinary shares in Glamford Investments sp. z o.o. To : The President The Stock Exchange of Thailand U City Public

(-Translation-) Ref. No. U.SET 022/2019 September 20, 2019 Subject : Acquisition of ordinary shares in Trebren Investments Sp.z.o.o. To : The President The Stock Exchange of Thailand U City Public

August 11,2010 May 11, 2017 Re : Clarification on percentage of change more than 20% in Q1/2017 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales The Company's revenue

increased to 14.8% when compare to the same period of 2016 which gross profit margin was 11.73%. Due to price of the raw material in stock was lower than the average market price. 3. Selling expenses was Baht

C:\set\set 601113 e การไดม้าซ่ึงสินทรัพย ์LH USA 13-11-2017.doc 13 November 2017. Re : Acquisition of assets of the company’s subsidiary To Director and Manager The Stock Exchange of Thailand Please

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Microsoft Word - The Aquisition of Assets - TLM September 11, 2018 Subject: Acquisition of Assets To: The Director and Manager The Stock Exchange of Thailand The Board of Directors' Meeting of KCE

Ref No : GENCO 010/2019 January 30, 2019 To: President The Stock Exchange of Thailand Subject

.์ -4332-7776 E-mail: kcmetalsheet@hotmail.com Website: www.kcmetalsheet.co.th Ref KCM63/006 June 9, 2020 Subject Notice of related party transaction To President The Stock Exchange of Thailand K.C

the usage; (3) To additionally disclose information regarding relations between executives and a labor union; (4) To disclose stock trading data and historical prices e.g. stock prices and trading