. OCMSET / 1905/002 May 8, 2019 Subject: Clarification of the operating results for the three-month period of 2019, change of rate more than 20 percent Dear Director and Manager the Stock Exchange of

its subsidiary for the first quarter ended 31 March 2019 which the details are as follows: Unit: million Baht For 3-month period (Jan-Mar) 2019 2018 Change % Increase (Decrease) Revenue from sale of

end of the year 2019, 3BB totally had 3.18 million subscribers; this number included approximately 1.90 million FTTx subscribers, equivalent to 60% of the total subscribers of the company, compared to

year ended December 31, 2019 which the details are as follows: Unit: million Baht For the year ended December 31 2019 2018 Change % Increase (Decrease) Revenue from sale of goods 689.16 653.89 35.27 5.39

- month period ended 30 June 2020. The details are as follows. Operating Performance 1. Revenues Unit: Million Baht The 2nd Quarter of the Year 2020 comparing to 2019 Consolidated Separate Amount Change

-2023 Balance by Quarter Change Topic Q2-23 Q1-23 Q2-22 Q2-23 VS Q1-23 Q2-23 VS Q2-22 (Million Baht: MB) (MB) % (MB) % Total revenue 1,703.0 1,296.7 1,711.8 406.3 31.3 (8.8) (0.5) Total operating expenses

purchasing power. Performance Analysis Unit : MB For the period ended 31 March 2018 31 March 2017 Change MB % Net sales 261.84 255.90 5.94 2.32 Other income 13.06 10.57 2.49 23.56 Total revenues 274.90 266.47

Income Total Revenues (Million Baht) Quarterly Change Six-month End June 30, Change 2/2017 2/2016 % 2017 2016 % Revenue from sales Domestic sales 104.6 117.8 (11.2) 241.4 238.5 1.2 Export sales 391.0

 THB equivalent the group sales were up 1% in Q219 compared to Q119. Sales in the microelectronics divisions increased 1% with Lamphun increasing 1% and Jiaxing with no change.  Sales revenues from the

subsidiary companies As at June 30, 2019 and December 31, 2018 As at Jun 30, 2019 As at Dec 31, 2018 Change MB % MB % MB % Cash and Cash Equivalent 1,514.26 8.23 1,240.09 6.84 274.17 22.11 Trade and Other