“Company”) would like to notify the Stock Exchange of Thailand regarding the business operation ended 31 March 2020 as follows; Outline of Business operation For the first quarter of 2020, the economic

public company limited ("the Company") and its subsidiaries intend to engage in horizontal and vertical real estate development business as industrial and commercial real estate for sale and lease of short

Management Discussion and Analysis for Interim Business Operation ( Revised ) Financial Performance for the year ended Sebtember 30, 2019 (Unit : Millon Bath) 2019 2019 Inc/(Dec) % Construction

Management Discussion and Analysis for Interim Business Operation Financial Performance for the year ended Sebtember 30, 2019 (Unit : Millon Bath) 2019 2019 Inc/(Dec) % Construction income 23.88

Management Discussion and Analysis for Interim Business Operations Financial Performance for the year ended December 31 , 2018 (Unit : M ill ion Baht) 2018 2017 Inc./(Dec.) % Construction income

“Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for three-month period ended 31 March 2019 as follows; Total Revenue The Company has the total revenue for

= Translation = Management Discussion and Analysis for Interim Business Operations Financial Performance for the period ended September 30 , 2017 (Unit : Million Baht) 2017 2016 Inc./(Dec

436.95 48.83 11.18% - LPG Trading 178.97 199.10 (20.13) (10.11%) 1 - Transportation 3.29 3.15 0.14 4.44% - Conversion Kit Installation 1.74 1.85 (0.11) (5.95%) - Construction 287.89 219.73 68.16 31.02% 2

gas construction service 97.06 Million Baht as increased in the project backlog. Moreover, during 2017, the Group has purchased land to support the business expansion on property development business

construction of a filter and plumbing installation in the Philipines, according to the percentage of completion method. 3. Income from the water management business are categorized into two types. 3.1 Income