28 April 2020 At: ACC/HO 011/63 Re: Management Discussion and Analysis for the Quarter of 1/2020 To: President The Stock Exchange of Thailand Following the Coronavirus 2019 (COVID-19) pandemic and

-1 - Translation - Ref. LPN/SorKor/386/2562 7th November 2019 Re: Consolidated Financial Statements Analysis Q3/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co., Ltd

. Gain (Loss) on Exchange Rate • Recorded Loss on Exchange Rate at Baht 26 million in Q2’2019 and Baht 15 million in 6M’2019, primarily attributable to an unrealized loss from the currency translation on

million and THB 500 million respectively. The increase is mainly due to the adjustment of one off provision for severance pay according to new announcement of Labour Protection Act in April 2019 by

additional provision of THB 20 Million due to increase in the benefit of employees who have past service of 20 years or more from 300 days to 400 days according to the announcement of Labour Protection Act

Exchange Act B.E. 2535 (1992), as amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008), and Section 35, Section 40(11), Section 41(3) and (4), Section 42(10), and Section 43(3) of the

competition, the blended ARPU still declined to Bt558 or -1% QoQ. 1The Labor Protection Act (No. 7) B.E. 2562, effective from 5-May-19, stipulates additional legal severance pay rates for employees who have

August 14, 2019 Ref: SET-2019-010 Re: Management Discussion and Analysis for Quarter 2’ 2019 Attn. to: President The Stock Exchange of Thailand Filter Vision Public Company Limited and its

of loans taken by a project company in USD is aligned with incomes earned in the same currency, which naturally restricts the exchange rate risk of commercially operational projects; and 2) Use of

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond