25 July 2017 To: The President The Stock Exchange of Thailand Re: Q2-2017 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2- 2017 (Apr-Jun

(Translation) NEP-AC 001/2560 10 August 2017 Subject : Management Discussion and Analysis for 2nd Quarter ended 30 June 2017 To : The President The Stock Exchange of Thailand Operating Result NEP

SET LETTER Q2-2017 -1- Ref. POL. 103/2017 August 15, 2017 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

(Translation) NEP-AC 002/2560 9 November 2017 Subject : Management Discussion and Analysis for 3rd Quarter ended 30 September 2017 To : The President The Stock Exchange of Thailand Operating Result

S&P MD&A Q3-2017 -1- Ref. POL. 136/2017 November 13, 2017 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

S&P MD&A 2017 -1- Ref. POL. 028/2018 February 23, 2018 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P Syndicate

S&P MD&A 2017-Revised Year In Comparison Table -1- Ref. POL. 028/2018 February 23, 2018 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock

: Management discussion and analysis for the year ended December 31, 2017 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of Wiik

company; (b) trade units listed on SET for clients through a member of SET (4) brokerage, dealing or underwriting of debt securities and sukuk. “ SET ” means the Stock Exchange of Thailand; “ unit ” means

clients through a member of SET (4) brokerage, dealing or underwriting of debt securities and sukuk. “SET” means the Stock Exchange of Thailand; “unit” means an investment unit of a mutual fund, certificate