Page 1 No. CMC Sor Lor.009/2019 May 14, 2019 Re: Management Discussion & Analysis for the Period Ended 31 March 2019 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN

โทรสาร (043) 236-835 456 Moo 14 Mittraparp Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043) 236-835 Ratchaphruek Hospital No. RPH-SET 9/2019 August 3, 2019 Subject : Management Discussion

to the requirement under the Notifications on Connected Transactions in relation to the duty to prepare and disclose the information memorandum on a connected transaction to the SET and is not required

Board of Directors’ Meeting No. 6/2018 held on 6 July 2018 at 14.30 hour has passed significant resolutions which should be informed to the Stock Exchange Thailand (the “SET”) and can be summarized as

supervisory Board Thor Jor. 20/2551 Re: Rules on significant transactions constituting acquisition or disposal of assets and Notification of SET Re: Disclosure of information and actions of a listed company on

disclose to SET without having approval from shareholders’ meeting. : The Company had no connected transaction with the Seller during the past 6 months. 9. Acquisition and disposition of assets  Item size

(043) 236-835 456 Moo 14 Mittraparp Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043) 236-835 Ratchaphruek Hospital No. RPH-SET 14/2018 November 10, 2018 Subject : Management Discussion

submit information memorandum regarding the acquisition of assets of listed companies as attached. Please be informed accordingly. Yours faithfully, (Mr. Suphot Sirikulpat) Chief Executive Officer

payment of advance for share subscription and reversed the allowance amounting to Baht 0.9 million. And EIC Semiconductor Company Limited also received payment from customers who had already set up

โทรสาร (043) 236-835 456 Moo 14 Mittraparp Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043) 236-835 Ratchaphruek Hospital No. RPH-SET 13/2020 November 7, 2020 Subject : Management