Management Name : Air Vice Marshal ISARAYA SUKCHAROEN | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 23/03/2017

Management Name : Air Chief Marshal SURASAK MEEMANEE | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 17/01/2018

underground; and also to manage to control sewage, for example, waste water treatment and population evacuation concerning air and noise pollution, to private organization, sanitation district, government

concerning air and noise pollution, to private organization, sanitation district, government agency, international organization, and any other countries. 72. To operate to acquire concession, concession

and population evacuation concerning air and noise pollution, to private organization, sanitation district, government agency, international organization, and any other countries. 72. To operate to

floor, Ballroom, The Grand Fourwings Convention Hotel Bangkok, 333 Srinakarin Road, Huamark, Bangkapi, Bangkok. 2. Determined the record date for the list of shareholders who are entitled to attend the

levels of air pollution and the long hot season. However, there was a slowdown in sales during the second half of 2019 as a result of the negative economic factors discussed above. Nonetheless , the

. Sales of ‘improved air quality’ products were higher than normal, due to the occurrence of high levels of air pollution, especially in Bangkok and the Central and Northern regions. However, sales at some

Gener minutes of 7held on Apri ets for inves Education Co pany to disp properties, n 0-1 rai, loca ng Thonglan reholders ompany” utions as o. 1/2017 3rd floor, Huamark, the EGM ral Meeting the Annual il

existing agreement): 3.1.1 An office building space lease agreement in Viriyathavorn Building No. 587, 14th and 15th Floor, Sutthisarnvinijchai Road, Dindaeng Subdistrict, Dindaeng District, Bangkok