securities listed elsewhere, identify that Stock Exchange. 1.4.2 In case of having other types of share such as preferred share whose rights or terms differ from those of ordinary share, identify the key

% % Administrative Expenses to Sales** 10.6% 9.6% - 10.6% 8.8% Finance Costs 17 6 +184% 60 22 +171% Share of profit (loss) from investments in JV (0.1) (11) +99% (15) (22) +34% Tax expenses (income) (48) (15) -231

demand to work from home. By leveraging mobile subscriber base and expanding coverage across 77 cities, FBB achieved 1.3 million subscribers in FY20 and reached 12% subscriber market share from 10% in FY19

continued intense competition. The postpaid segment further developed a positive momentum and contributed a larger pie YoY in revenue share. Accelerated 5G users with superior network and service experiences

February 18, 2019 To: The President The Stock Exchange of Thailand Re: 2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s 2018 operating

- 1 - AIT (VP-SEC) 005E/2019 February 26, 2019 Subject: Management's Discussion and Analysis of Operating Results for the year 2018 and Q4-2018 To: The President of the Stock Exchange of Thailand

February 17, 2020 To: The President The Stock Exchange of Thailand Re: 2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to report the Company’s 2019 operating

Revenues fro purchased ac nterest incom Total Revenu Cost of servic Gross Profit Discussion and /009 Manag Presid Stock to JMT Ne to certify th es for the s any’s audito of Performa rmance of t olidated fina

654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

654 3323 No. PACE IR2018/007 Date: 9 February 2018 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange