1st quarter ended 31 March 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 1st quarter ended 31 March 2019, as submitted by the Company

No No. CC20190505ELE May 14, 2019 Re: Clarification of the changes in operation performance for the first quarter ended 31 March 2019 Attn: The President The Stock Exchange of Thailand Cal-Comp

Microsoft Word - MDA (Q1-62)(ENGI) 1 Ref : JSP 044/2562(OOP) 15 March 2019 Subject : Report the operating results for first quarter ended March 31, 2019 To : The Director and Manager The Stock

to the same period of 2018 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2019 interim consolidated

1 27 May 2019 Subject: Explanation of operating result in the financial statement ended 31 March 2019 To: President of the Stock Exchange of Thailand With reference to the financial statement of FY

Ref: No 18/2005 Ref: No 32/2019 June 27, 2019 Subject : Promissory note from connected persons and granting financial assistance To : The President The Stock Exchange of Thailand The Board of

Ref. HF 0114 / 2562 August 5th, 2019 Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution of the Board of Director

Registration No. : 0107535000371 No. L015/2019 6th August 2019 Subject : The explanation of operating results for the 2nd quarter 2019 Attention : The President The Stock Exchange of Thailand Dear Sir, For the

November 28, 2005 No. 10/2019 August 7, 2019 President The Stock Exchange of Thailand 93 Ratchadapisek Road, Kwang Dindaeng, Khet Dindaeng, Bangkok 10400 Subject : Clarification of the operating

7 August 2019 Subject: Management Discussion and Analysis for the Quarter 2 Ending 30 June 2019 Attention: President Stock Exchange of Thailand Please find below the additional information supporting