Cross Society, Centralized cloud data leak prevention project of National Telecommunications Public Company Limited, Construction project to renovate a deteriorated power station Bang Samak Power Station

by holding percent of total shares, invested to solar power plant with installation capacity 1.5 MW at Himeji Prefecture, Japan by holding 51% of total shares of the project and later this project was

expense approximately by Baht 510 - 940 Million through the concession agreement period. 2. On June 28, 2018, the Company sold all 7.5 percent of investment in Xayaburi Power Company Limited (XPCL) to CK

-2021 6M-2020 6M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,139.5 1,214.9 1,284.4 5.7% 12.7% 2,255.2 2,499.3 10.8% Revenue from finance lease under power

12.3% Revenue from finance lease under power purchase agreement 103.2 101.6 104.9 3.2% 1.6% 306.9 305.7 (0.4%) Revenue from construction under a concession arrangement 215.0 - - - N.A.(

2.8% Revenue from finance lease under power purchase agreement 95.3 102.4 104.5 2.1% 9.7% 197.6 206.9 4.7% Cost of sales and services (1,174.0) (1,274.4) (1,191.7) (6.5%) 1.5% (2,323.4) (2,466.2) 6.1

% 4,586.4 5,315.9 729.5 15.9% Revenue from finance lease under power purchase agreement 99.2 101.6 104.9 105.3 0.4 0.4% 401.2 411.0 9.8 2.4% Revenue from construction under a concession arrangement

LIMITED ADVANCE FINANCE PUBLIC COMPANY LIMITED ADVANCE POWER CONVERSION COMPANY LIMITED ADVANCED ASSET MANAGEMENT SERVICE COMP... ADVANCED CONNECTION CORPORATION PUBLIC... ADVANCED INFO SERVICE PUBLIC

period 5,126.4 9.66 4,928.8 10.01 197.6 4.01 5,516.3 11.77 (389.9) (7.07) Breakdown of sales revenues by business group Product Group 2018 2017 2016 revenue % revenue % revenue % Power Electronics Group

Ordinary Shares in Xayaburi Power Company Limited to CK Power Public Company Limited Reference is made to the fact that Bangkok Expressway and Metro Public Company Limited (the “Company”) No. 1/2018 held on