0 ] Ref. No. IVL 001/05/2021 6 May 2021 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

measurable advertising. This places the Company in a favourable position to offer optimal solutions to our customers as well as continuing to capture market share in the OOH and Online/Digital media. Our 9

of Governors of the Stock Exchange of Thailand Reference is made to the resolutions of the Board of Directors’ Meeting No. 6/2018 of Master Ad Public Company Limited (the “Company”), held on May 17

Q4’19. The new production facility in Myanmar will start production in Q1’20, providing additional flexibility to respond to market demand and allowing OSP to fully capture manufacturing margins. Osotspa

maintaining network quality and attractive handset campaigns, AIS targets to acquire and retain quality data users in both postpaid and prepaid segments, while expand AIS fibre coverage to capture untapped

. After 5G consumer service had been launched in 4Q20, the operators were focusing on providing superior 5G service quality and coverage to capture high value segment and uplift ARPU. 5G adoption during

Ref. No. IVL 004/02/2020 26 February 2020 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 005/11/2019 11 November 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 003/08/2020 13 August 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Ref. No. IVL 002/05/2020 12 May 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of