investment on assets (Revision 2) Attention: Directors and Managers The Stock Exchange of Thailand Attachment: 1. Information on the investment on assets 2. F53-4 form 3. Details on the issuance of warrants to

weaker from protectionist trade policies between US and China and effect of Baht appreciation, which affected to export sector and industrial sector, especially in electronic components manufacturing

2nd quarter of 2020 and 6-month period ended 30 June 2020 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the Group”), are pleased to provide you our

excellent service and develop fixed-mobile-contents convergence (FMC) strategies to deliver a superior experience for our customers. The business sector recovered well in 2Q22 and benefited from the

No. CAZ 015-2019 13 August 2019 Subject: Management Discussion and Analysis 2nd Quarter ended 30 June 2019 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company

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foreign exchange 299 (39) 230 N/A N/A 663 363 N/A (loss) from impairment of assets (1,358) (412) (14) N/A N/A (1,441) (425) N/A Share of profit of associate and JV 56 23 118 111% 413% 128 233 82% Profit

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Statistics Office of Vietnam 3 Exchange rate is subject to BOT’s average selling rates as of 9 Jan 2020 (THB 0.1315 = VND 100) MANAGEMENT DISCUSSION & ANALYSIS 1Q 2020/21 ENDED JUNE 2020 11 AUG 2020 MASTER AD

(Translation) UAC.CS/021/2020 November 11, 2020 Subject: Explanation of the operating results for the third quarter period ended September 30, 2020 To: President The Stock Exchange of Thailand