%) - Construction 585.85 554.59 31.26 5.64% 2 - Testing and Inspection 22.00 19.20 2.80 14.58% Cost of sales and services (669.81) (687.13) (17.32) (2.52%) Gross Profit 51.00 79.19 (28.19) (35.60%) 6 Other income

184.35% Cost of Sales 140.12 41.02% 47.20 39.29% 92.92 196.86% Gross Profit 201.47 58.98% 72.93 60.71% 128.54 176.25% Selling Expenses 87.56 25.63% 4.97 4.14% 82.59 1661.77% Administrative Expenses 53.48

and Transportation) Revenue from waste treatment business for Q1/2020 amounted 60.1 million baht, decreased 2.7 million baht or 4.3 percent compared to Q1/2019. The cost of service was 71.5 percent for

months ended 30th June 2019 Change THB million % THB million % THB million % Sales of electricity 175.94 100.00 85.70 100.00 90.25 105.31 Cost of goods sold (77.17) -43.86 (36.95) -43.12 (40.22) 108.84

electricity 172.56 100.00 91.32 100.00 81.24 88.95 Cost of goods sold (85.66) -49.64 (45.86) -50.22 (39.80) 86.78 Gross profit 86.90 50.36 45.46 49.78 41.44 91.14 Other incomes 0.03 0.02 0.61 0.66 (0.58) -95.42

No. ECF2 035/2562 23 September 2562 Subject Notification on the resolutions of the Board of Directors’ Meeting approving the purchase of the ordinary shares in KPN Academy Company Limited, the increase of registered capital, the issuance and the allocation of the newly-issued shares to specific persons (Private Placement) and the convening of the Extraordinary General Meeting of Shareholders No. 1/2019 (additional) To Director and Manager The Stock Exchange of Thailand Enclosure 1. Information M...

No. ECF2 035/2562 23 September 2562 Subject Notification on the resolutions of the Board of Directors’ Meeting approving the purchase of the ordinary shares in KPN Academy Company Limited, the increase of registered capital, the issuance and the allocation of the newly-issued shares to specific persons (Private Placement) and the convening of the Extraordinary General Meeting of Shareholders No. 1/2019 (2nd additional) To Director and Manager The Stock Exchange of Thailand Enclosure 1. Informati...

of Appraisal : Cost Approach Date of Appraisal : March 14, 2018 5. Share holding percentage of the companyior Prior to investment : none After investment : 32.37 % of the total issued and paid up

% which mainly decreased from the revenue from services. The total cost was reported at THB 139.0 million, decreased by THB 54.1 million or 28.0%. As a result, the gross profit margin for this quarter was

the revenue from services and revenue from contract work. The total cost was reported at THB 601.5 million, decreased by THB 93.9 million or 13.5%. The gross profit for the year 2018 was decreased by