คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 20 February 2018 Re: To clarify the financial statements as of 31 December 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company

for sale in the vicinity. In addition, the cost of the Company’s current land plot, which was acquired during 2015 to 2016, was at an average price of Baht 3.07 million per rai Establishment of 1 new

วันที่ 15 ตุลาคม 2545 1 NO. (SUTHA-SET) 009/2019/EN 15 May 2019 Subject: Notification of the Board of Directors resolution regarding the approval of interim dividend payment and schedule for the

full-year is maintained. Acquired 700MHz spectrum to strengthen network leadership in both short and long term In June-19, NBTC held an allocation of 700MHz, of which AIS has won 2x10MHz bandwidth. The

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 8 August 2019 Re: To clarify the financial statements as of 30 June 2019 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

of July 2018, Master Ad Public Company Limited (“MACO”) successfully acquired 81.65% in Trans.Ad Solutions Company Limited (“Trans.Ad”) – multimedia display systems provider and 89% in Roctec

profit 2019 (16.76) Criteria used in the calculation of transaction value 1. NTA = Not used because the acquired asset is real estate 2. Net profit = Not used because the acquired asset is real estate 3

revenue increasing derived from the new biomass power plants which the Group acquired in the third quarter of 2020 and revenue recognition of biomass power plant in Khlong Khlung, Kamphaeng Phet Province

acquired/ NTA of the Company N/A N/A N/A N/A N/A Not applicable because this is the disposition of assets. 2. Net Operating Profits % of Net Profit attributable to Proportionate Assets/ Net Profit of the

Baht) Disposition of the Assets in PP2 (Unit: Thousand Baht) Disposition of the Assets in PRE (Unit: Thousand Baht) Transaction size 1. Value of the Net Tangible Assets (NTA) % of NTA as acquired/ NTA of