products and catch up with technology changes and dynamic marketing. On the other hand, the company is setting up new companies for research & development of Electric Vehicles in the USA and Industrial

Quarter Changes 2020 2019 Amount % Revenue from expressway business 2,300 2,581 (281) -10.9 Revenue from rail business 1,293 1,211 82 6.8 Revenue from commercial development business 204 179 25 14.0 Total

Justification_E_4-62 NO. AC. 01/2020 28 February 2020 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

and business opportunities in each individual sector and area across all industries. In parallel, we focused on the development of technological solutions with the aim of becoming “Customers’ Life

the development and performance of internal control. Questions Yes No 2.1 The roles and duties of the board of directors are set separately from those of the management. The authorities of the board of

the essences of the changes in brief for investors to be updated on the development of sustainability management of the Company on a continued basis. 3.2 Management of impacts on stakeholders in the

(if any). The objective is to demonstrate the Company’s continuing development to serve the needs of the stakeholders and to make preparations for economic, social and environmental changes, which will

diverging monetary policies, businesses may have to contend with Thai Baht volatility and rising interest rate trends. Given the changing customer behavior amid new technologies, regulatory changes and

Community (AEC), and the advancing digital age amid the rapid pace of technological advancement, thus leading to changing customer behavior, regulatory changes and life platform-driven competition. Given the

Utilities demand and Service Fees for Wastewater Management. The changes mainly came from: i) the Utilities sales volume; a. Raw Water sales volume increased by 3.0% YoY mainly from start operated of BGWHA-1