Bangkok Expressway and Metro Public Company Limited

The company is committed to conducting business based on sustainability principles that create a balance across economic, social, and environmental aspects. This commitment includes adherence to good corporate governance, effective risk management, and responsibility towards society and the environment. The company aims to harmonize benefits for all stakeholders across all dimensions and groups appropriately. The sustainability performance results are as follows:

Environmental Dimension

GRI Indicators Unit Performance 2025 Target
2022 2023 2024 2025
Environmental Management System
- Return on environmental investments
Environmental investment expenses MTHB 22.87 15.70 30.98 46.14 NA
Violations to environmental laws and regulations Cases 0 0 0 0 0
Fines/penalties paid for violations to environmental laws and regulations THB 0.00 0.00 0.00 0.00 0.00
Environmental liability accrued at year-end THB 0.00 0.00 0.00 0.00 0.00
Energy
302-1 Total energy consumption within organization MWh 218,782.39 233,900.76 239,822.20 232,541.83 207,695.99
Total non-renewable energy consumption MWh 218,295.06 233,263.17 239,168.21 231,157.96 214,602.11
Total Fuel consumption MWh 8,885.27 7,506.65 7,509.61 6,523.43 6,906.12
Stationary combustion MWh 33.61 423.88 379.21 348.24 NA
Classified by types of fuel
Natural gas MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
kg 0.00 0.00 0.00 0.00 NA
Diesel MWh ND 373.73 333.31 299.51 NA
GJ ND 1,345.44 1,199.90 1,078.24 NA
Liter ND 36,942.00 32,960.00 29,622.00 NA
Diesel B7 MWh ND 0.00 0.00 0.00 NA
GJ ND 0.00 0.00 0.00 NA
Liter ND 0.00 0.00 0.00 NA
Liquefied petroleum gas: LPG MWh 33.61 50.14 45.90 48.73 NA
GJ 121.00 180.52 165.25 175.41 NA
kg 2,454.00 3,661.00 3,352.00 3,558.00 NA
Mobile combustion MWh 8,851.66 7,082.77 7,130.40 6,175.20 NA
Classified by types of fuel
Diesel MWh 7,925.00 6,708.23 6,860.61 6,035.06 NA
GJ 28,530.00 24,149.64 24,698.00 21,726.05 NA
Liter 783,370.00 663,081.00 678,169.00 596,869.61 NA
Diesel B7 MWh 0.00 0.00 58.48 0.00 NA
GJ 0.00 0.00 210.51 0.00 NA
Liter 0.00 0.00 5,780.02 0.00 NA
Gasoline MWh 926.66 374.54 211.31 140.13 NA
GJ 3,336.00 1,348.38 760.70 504.47 NA
Liter 105,979.00 42,836.00 24,164.46 14,837.40 NA
Natural gas for vehicles: NGV MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
kg 0.00 0.00 0.00 0.00 NA
Liquefied petroleum gas: LPG MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
kg 0.00 0.00 0.00 0.00 NA
Non-renewable electricity generation and consumption within the organization
Non-renewable electricity generation and consumption within the organization MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
Electricity purchased from outside the organization NA
Electricity purchased from outside the organization MWh 209,409.79 225,756.51 231,658.60 224,634.52 207,695.99
GJ 753,875.00 812,723.04 833,970.97 808,684.28 NA
MTHB 821.06 964.99 932.35 836.63 NA
Total renewable energy consumption MWh 487.33 637.59 653.99 1,383.87 NA
Classified by types of renewable energy
Solar energy MWh 487.33 637.59 653.99 1,383.87 NA
GJ 1,754.39 2,295.32 2,354.35 4,981.90 NA
Wind energy MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
Hydropower MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
Other MWh 0.00 0.00 0.00 0.00 NA
GJ 0.00 0.00 0.00 0.00 NA
302-3 Energy intensity
Note: Only for Rail business, because the average distance of Expressway users cannot be calculated.
MWh / passenger-km 0.000191 0.000138 0.000161 0.000126 NA
GHG
305-1 Total GHG emissions scope 1 tCO2e 2,396.00 8,059.00 4,048.73 2,901.15 7,414.28
Stationary combustion tCO2e 8.00 111.33 98.32 87.17 NA
Classified by types of fuel
Natural gas tCO2e 0.00 0.00 0.00 0.00 NA
Diesel tCO2e ND 100.03 89.25 81.91 NA
Diesel B7 tCO2e 0.00 0.00 0.00 0.00 NA
Liquefied petroleum gas: LPG tCO2e 8.00 11.30 9.07 5.26 NA
Mobile combustion tCO2e 2,388.00 1,911.09 1,884.78 1,658.05 NA
Classified by types of fuel
Diesel tCO2e 2,147.00 1,813.77 1,794.00 1,632.70 NA
Diesel B7 tCO2e 0.00 0.00 0.00 0.00 NA
Gasoline tCO2e 241.00 97.32 90.78 25.36 NA
Natural gas for vehicles: NGV tCO2e 0.00 0.00 0.00 0.00 NA
Liquefied petroleum gas: LPG tCO2e 0.00 0.00 0.00 0.00 NA
Refrigerants tCO2e ND 1,280.82 651.66 820.69 NA
Refrigerant R134a tCO2e ND 717.14 217.73 324.35 NA
kg ND 640.30 194.40 289.60 NA
Refrigerant R32 tCO2e ND 34.53 57.89 13.54 NA
kg ND 51.00 85.50 20.00 NA
Refrigerant R410a tCO2e ND 529.15 376.04 482.80 NA
kg ND 275.10 195.50 251.00 NA
Refrigerant R407C tCO2e ND 0.00 0.00 0.00 NA
kg ND 0.00 0.00 0.00 NA
Sulfur hexafluoride: SF6 tCO2e ND 4,582.50 1,175.00 17.86 NA
kg ND 195.00 50.00 0.76 NA
Methane (CH4) from septic tank tCO2e ND 166.92 238.37 312.60 NA
kg ND 5,961.27 8,609.50 11,164.24 NA
CO2 fire extinguisher (training) tCO2e ND 6.15 0.61 4.78 NA
kg ND 6,146.18 610.00 4,783.50 NA
Biogenic emissions tCO2e 0.00 0.00 0.00 0.00 NA
Stationary combustion: Diesel B7 tCO2e 0.00 0.00 0.00 0.00 NA
Mobile combustion: Diesel B7 tCO2e 0.00 0.00 0.00 0.00 NA
Data coverage % ND ND 99 99 100
305-2 Total GHG emissions scope 2: Location-based tCO2e 104,684.00 106,364.00 108,781.17 105,182.66 97,854.88
Total GHG emissions scope 2: Market-based tCO2e 0.00 0.00 0.00 0.00 0.00
Data coverage % ND ND 99 99 100
305-3 Total GHG emissions scope 3 tCO2e ND 29,411.00 28,722.24 27,706.28 28,234.56
Category 1 Purchased goods and services tCO2e ND 646.95 859.89 603.13 NA
Category 2 Capital goods tCO2e ND 0.00 0.00 0.00 0.00
Category 3 Fuel- and energy-related activities tCO2e ND 21,000.43 21,701.42 20,956.89 NA
Category 4 Upstream transportation and distribution tCO2e ND 0.00 0.00 0.00 0.00
Category 5 Waste generated in operations tCO2e ND 2,255.92 800.40 927.89 NA
Category 6 Business travel tCO2e ND 0.00 0.00 0.00 0.00
Category 7 Employee commuting tCO2e ND 4,019.54 3,937.87 3,784.47 NA
Category 8 Upstream leased assets tCO2e ND 0.00 0.00 0.00 0.00
Category 9 Downstream transportation and distribution tCO2e ND 0.00 0.00 0.00 0.00
Category 10 Processing of sold products tCO2e ND 0.00 0.00 0.00 0.00
Category 11 Use of sold products tCO2e ND 0.00 0.00 0.00 0.00
Category 12 End of life treatment of sold products tCO2e ND 0.00 0.00 0.00 0.00
Category 13 Downstream leased assets tCO2e ND 1,487.34 1,422.65 1,433.90 NA
Category 14 Franchises tCO2e ND 0.00 0.00 0.00 0.00
Category 15 Investments tCO2e ND 0.00 0.00 0.00 0.00
Data coverage % ND ND 99 99 100
305-4 GHG emissions intensity
Rail business tCO2e / passenger-km ND 0.000092 0.000103 0.00008596 NA
Rail business tCO2e of the electric train propulsion system / passenger-km 0.000034 0.000024 0.000028 0.000207 NA
Expressway and Rail businesses tCO2e / trip ND 0.00026 0.00024 0.00023 NA
Percentage of electric rail fleet % 100 100 100 100 100
305-5 Avoided GHG emissions tCO2e 290.92 3,082.00 3,082.00 3,082.00 NA
Avoided GHG emissions by renewable energy generation MWh 486.00 454.00 654.00 226.64 NA
Grid emission factor tCO2e / MWh 0.60 0.50 0.50 0.50 NA
305-6 Refrigerant R22 tCO2e 0.00 4,476.38 3,459.56 1,661.09 NA
kg 0.00 2,543.40 1,965.66 943.80 NA
305-7 Other air emissions
Nitrogen Oxide: NOx ppm 0.00 0.00 0.015 0.015 ≤0.17
Sulfur Oxide: SOx ppm 0.00 0.00 0.00 0.00 NA
Carbon monoxide: CO ppm ND ND 0.7 0.7 ≤9
Persistent organic pollutants: POP kg 0.00 0.00 0.00 0.00 NA
Volatile organic compounds: VOC kg 0.00 0.00 0.00 0.00 NA
Hazardous pollutants: HAP kg 0.00 0.00 0.00 0.00 NA
Particulate matter: PM ppm 0.00 0.00 0.021 0.021 ≤0.12
Total Suspeded Particulate : TSP ppm ND ND 0.04 0.04 ≤0.33
Data coverage % ND ND 99 99 100
Water
303-3 Total water withdrawal from all areas Million cubic meters 0.58 0.65 0.79 0.66 0.65
Million liters 577.95 653.16 794.58 656.33 653.16
Classified by sources
Surface water Million cubic meters 0.00 0.00 0.00 0.00 NA
Million liters 0.00 0.00 0.00 0.00 NA
Ground water Million cubic meters ND ND ND 0.00 NA
Million liters ND ND ND 0.00 NA
Recycled/Reused water Million cubic meters 0.00 0.01 0.01 0.01 ≥0.0056
Million liters 0.00 5.61 6.70 5.74 ≥5.61
Recyled water treatment expense THB 0.00 0.00 0.00 0.00 NA
Third-party water/Municipal water supplies Million cubic meters 0.58 0.65 0.79 0.66 NA
Million liters 577.95 653.16 794.58 656.33 NA
Total water withdrawal from areas with water stress Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Classified by sources
Surface water Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Ground water Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Recycled/Reused water Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Third-party water/Municipal water supplies Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
303-4 Total water discharge to all areas
Remark: Assumed to be 80% of water withdrawal and has TDS of less than or equal to 1,000 mg/L in accordance with buildings and industrial standards
Million cubic meters 0.58 0.65 0.79 0.66 ≤0.653
Million liters 577.95 653.16 794.58 656.33 ≤653
Classified by destination
Surface water Million cubic meters 0.03 0.05 0.05 0.05 NA
Million liters 31.69 49.78 49.41 52.78 NA
Ground water Million cubic meters 0.00 0.00 0.00 0.00 NA
Million liters 0.00 0.00 0.00 0.00 NA
Ocean Million cubic meters 0.00 0.00 0.00 0.00 NA
Million liters 0.00 0.00 0.00 0.00 NA
Third-party water/Municipal water supplies Million cubic meters 0.55 0.82 0.75 0.60 NA
Million liters 546.26 817.15 745.18 603.55 NA
To the same source of extraction at similar or higher quality as raw water extracted Million cubic meters 0.00 0.00 0.00 0.00 NA
Million liters 0.00 0.00 0.00 0.00 NA
Total water discharge to areas with water stress Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Classified by sources
Surface water Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Ground water Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Ocean Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Third-party water/Municipal water supplies Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
303-5 Total water consumption from all areas Million cubic meters 0.58 0.65 0.79 0.60 0.65
Million liters 577.95 653.16 794.58 656.33 653.16
Total water consumption from all areas with water stress Million cubic meters 0.00 0.00 0.00 0.00 0.00
Million liters 0.00 0.00 0.00 0.00 0.00
Waste
306-3 Total waste generated Metric tons 389.40 833.60 1,059.80 1,165.28 748.78
Hazardous waste generated Metric tons 72.00 75.00 73.00 98.48 ≤75
Non-hazardous waste generated Metric tons 317.37 758.60 986.80 1,066.80 ≤726
306-4 Total waste diverted from disposal Metric tons ND 44.35 123.99 115.74 NA
Hazardous waste diverted from disposal Metric tons ND 12.40 91.52 68.56 NA
Hazardous waste diverted from disposal on-site Metric tons ND 0.00 0.00 0.00 NA
Preparation for reuse Metric tons ND 0.00 0.00 0.00 NA
Recycling Metric tons ND 0.00 0.00 0.00 NA
Other recovery operations Metric tons ND 0.00 0.00 0.00 NA
Hazardous waste diverted from disposal off-site Metric tons ND 12.40 91.52 68.56 NA
Preparation for reuse Metric tons ND 0.00 0.00 0.00 NA
Recycling Metric tons ND 12.40 0.00 68.56 NA
Other recovery operations Metric tons ND 0.00 91.52 0.00 NA
Non-hazardous waste diverted from disposal Metric tons ND 31.95 32.47 47.18 ≥32
Non-hazardous waste diverted from disposal on-site Metric tons ND 12.24 13.58 23.33 NA
Preparation for reuse Metric tons ND 0.00 0.00 19.37 NA
Recycling Metric tons ND 0.00 0.00 0.00 NA
Other recovery operations Metric tons ND 12.24 13.58 3.96 NA
Non-hazardous waste diverted from disposal off-site Metric tons ND 19.71 18.89 23.85 NA
Preparation for reuse Metric tons ND 0.00 0.00 0.00 NA
Recycling Metric tons ND 19.71 18.89 23.85 NA
Other recovery operations Metric tons ND 0.00 0.00 0.00 NA
306-5 Total waste directed to disposal Metric tons ND 748.79 976.28 1,042.17 NA
Hazardous waste directed to disposal Metric tons ND 22.14 4.94 29.92 ≤22
Hazardous waste waiting for disposal off-site Metric tons ND 40.47 17.00 0.00 NA
Hazardous waste directed to disposal on-site Metric tons ND 0.00 0.00 0.00 0.00
Incineration with energy recovery Metric tons ND 0.00 0.00 0.00 0.00
Incineration without energy recovery Metric tons ND 0.00 0.00 0.00 0.00
Landfilling Metric tons ND 0.00 0.00 0.00 0.00
Other disposal operations Metric tons ND 0.00 0.00 0.00 0.00
Hazardous waste directed to disposal off-site Metric tons ND 22.14 4.94 29.92 NA
Incineration with energy recovery Metric tons ND 0.00 4.94 29.92 NA
Incineration without energy recovery Metric tons ND 0.00 0.00 0.00 NA
Landfilling Metric tons ND 22.14 0.00 0.00 NA
Other disposal operations Metric tons ND 0.00 0.00 0.00 NA
Non-hazardous waste directed to disposal Metric tons ND 726.65 954.34 1,012.24 ≤726
Non-hazardous waste directed to disposal on-site Metric tons 0.00 0.00 0.00 0.00 0.00
Incineration with energy recovery Metric tons 0.00 0.00 0.00 0.00 0.00
Incineration without energy recovery Metric tons 0.00 0.00 0.00 0.00 0.00
Landfilling Metric tons 0.00 0.00 0.00 0.00 0.00
Other disposal operations Metric tons 0.00 0.00 0.00 0.00 0.00
Non-hazardous waste directed to disposal off-site Metric tons ND 726.65 954.34 1,012.24 NA
Incineration with energy recovery Metric tons ND 0.00 0.00 17.53 NA
Incineration without energy recovery Metric tons ND 0.00 0.00 0.00 NA
Landfilling Metric tons ND 726.65 954.34 994.71 NA
Other disposal operations Metric tons ND 0.00 0.00 0.00 NA

Social Dimension

GRI Indicators Unit Performance 2025 Target
2022 2023 2024 2025
Employees
2-7 Total number of employees FTEs 3,948 4,106 4,136 4,221 NA
Male FTEs 2,303 2,418 2,449 2,489 NA
% 58.33 58.89 59.21 58.97 NA
Female FTEs 1,645 1,688 1,687 1,732 NA
% 41.67 41.11 40.79 41.03 NA
Bangkok Metropolitan Region FTEs 3,588 3,896 3,925 4,007 NA
% 90.88 94.89 94.90 94.93 NA
The North FTEs 14 15 13 14 NA
% 0.35 0.37 0.31 0.33 NA
The Central region FTEs 59 68 69 74 NA
% 1.49 1.66 1.67 1.75 NA
The North East FTEs 36 64 67 67 NA
% 0.91 1.56 1.62 1.59 NA
The South FTEs 5 16 18 18 NA
% 0.13 0.39 0.44 0.43 NA
The East FTEs 18 25 25 23 NA
% 0.46 0.61 0.60 0.54 NA
The West FTEs 15 22 19 18 NA
% 0.38 0.54 0.46 0.43 NA
Total number of employees - Classified by type of hiring FTEs 3,948 4,106 4,136 4,221 NA
Permanent employees FTEs 3,944 4,103 4,127 4,201 NA
Male FTEs 2,300 2,416 2,446 2,481 NA
% 58.32 58.88 59.27 59.06 NA
Female FTEs 1,644 1,687 1,681 1,720 NA
% 41.68 41.12 40.73 40.94 NA
Bangkok Metropolitan Region FTEs 3,584 3,893 3,917 3,988 NA
% 90.87 94.88 94.71 94.93 NA
The North FTEs 14 15 13 14 NA
% 0.35 0.37 0.31 0.33 NA
The Central region FTEs 59 68 69 73 NA
% 1.50 1.66 1.67 1.74 NA
The North East FTEs 36 64 67 67 NA
% 0.91 1.56 1.62 1.59 NA
The South FTEs 5 16 18 18 NA
% 0.13 0.39 0.44 0.43 NA
The East FTEs 18 25 24 23 NA
% 0.46 0.61 0.58 0.55 NA
The West FTEs 15 22 19 18 NA
% 0.38 0.54 0.46 0.43 NA
Temporary employees FTEs 4 3 8 20 NA
Male FTEs 3 2 2 7 NA
% 75.00 66.67 25.00 35.00 NA
Female FTEs 1 1 6 13 NA
% 25.00 33.33 75.00 65.00 NA
Bangkok Metropolitan Region FTEs 4 3 7 19 NA
% 100.00 100.00 87.50 95.00 NA
The North FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The Central region FTEs 0 0 0 1 NA
% 0.00 0.00 0.00 5.00 NA
The North East FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The South FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The East FTEs 0 0 1 0 NA
% 0.00 0.00 12.50 0.00 NA
The West FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Non-guaranteed hours employees FTEs 0 0 1 2 NA
Male FTEs 0 0 1 1 NA
% 0.00 0.00 100.00 50.00 NA
Female FTEs 0 0 0 1 NA
% 0.00 0.00 0.00 50.00 NA
Bangkok Metropolitan Region FTEs 0 0 1 2 NA
% 0.00 0.00 100.00 100.00 NA
The North FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The Central region FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The North East FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The South FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The East FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The West FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Total number of employees - Classified by working hours 3,948 4,106 4,136 4,221 NA
Full-time employees FTEs 3,948 4,106 4,128 4,211 NA
Male FTEs 2,303 2,418 2,446 2,485 NA
% 58.33 58.89 59.25 59.01 NA
Female FTEs 1,645 1,688 1,682 1,726 NA
% 41.67 41.11 40.75 40.99 NA
Bangkok Metropolitan Region FTEs 3,588 3,896 3,918 3,998 NA
% 90.88 94.89 94.91 94.94 NA
The North FTEs 14 15 13 14 NA
% 0.35 0.37 0.31 0.33 NA
The Central region FTEs 59 68 69 73 NA
% 1.49 1.66 1.67 1.73 NA
The North East FTEs 36 64 67 67 NA
% 0.91 1.56 1.62 1.59 NA
The South FTEs 5 16 18 18 NA
% 0.13 0.39 0.44 0.43 NA
The East FTEs 18 25 24 23 NA
% 0.46 0.61 0.58 0.55 NA
The West FTEs 15 22 19 18 NA
% 0.38 0.54 0.46 0.43 NA
Part-time employees FTEs 0 0 1 10 NA
Male FTEs 0 0 0 4 NA
% 0.00 0.00 0.00 40.00 NA
Female FTEs 0 0 1 6 NA
% 0.00 0.00 100.00 60.00 NA
Bangkok Metropolitan Region FTEs 0 0 1 9 NA
% 0.00 0.00 100.00 90.00 NA
The North FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The Central region FTEs 0 0 0 1 NA
% 0.00 0.00 0.00 10.00 NA
The North East FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The South FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The East FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
The West FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
405-1 Total number of employees - Classified by employee positions 3,948 4,106 4,136 4,221 NA
Top management FTEs 51 51 51 51 NA
Male FTEs 34 33 34 31 NA
% 66.67 64.71 66.67 60.78 NA
Female FTEs 18 18 17 20 NA
% 35.29 35.29 33.33 39.22 NA
Middle management FTEs 110 110 102 100 NA
Male FTEs 74 72 66 64 NA
% 67.27 65.45 64.71 64.00 NA
Female FTEs 36 38 36 36 NA
% 32.73 34.55 35.29 36.00 NA
Junior management FTEs 471 480 478 473 NA
Male FTEs 267 269 264 256 NA
% 56.69 56.04 55.23 54.12 NA
Female FTEs 204 211 214 217 NA
% 43.31 43.96 44.77 45.88 NA
All management FTEs 632 641 631 624 NA
Male FTEs 375 374 364 351 NA
% 59.34 58.35 57.69 56.25 NA
Female FTEs 257 267 267 273 NA
% 40.66 41.65 42.31 43.75 NA
Staff/ Non-management FTEs 3,316 3,465 3,505 3,597 NA
Male FTEs 1,928 2,044 2,085 2,138 NA
% 58.14 58.99 59.49 50.44 NA
Female FTEs 1,388 1,421 1,420 1,459 NA
% 41.86 41.01 40.51 40.56 NA
Management in revenue-generating functions FTEs 488 489 483 474 NA
Male FTEs 321 324 317 306 NA
% 65.78 66.26 65.63 64.56 NA
Female FTEs 167 165 166 168 NA
% 34.22 33.74 34.37 35.44 NA
Science, Technology, Engineering & Mathematics: STEM FTEs 679 837 861 897 NA
Male FTEs 431 557 572 597 NA
% 63.48 66.55 66.43 66.56 NA
Female FTEs 248 280 289 300 NA
% 36.52 33.45 33.57 33.44 NA
405-1 Total number of employees - Classified by age group FTEs 3,948 4,106 4,136 4,221 NA
Less than 30 years FTEs 925 885 738 689 NA
% 23.43 21.55 17.84 16.32 NA
30-50 years FTEs 2,753 2,905 3,026 3,101 NA
% 69.73 70.75 73.16 73.47 NA
Over 50 years FTEs 270 316 372 431 NA
% 6.84 7.70 9.00 10.21 NA
Top management - Classified by age group FTEs 51 51 51 51 NA
Less than 30 years FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
30-50 years FTEs 24 25 23 18 NA
% 47.06 49.02 45.10 35.29 NA
Over 50 years FTEs 27 26 28 33 NA
% 52.94 50.98 54.90 64.71 NA
Middle management - Classified by age group FTEs 110 110 102 100 NA
Less than 30 years FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
30-50 years FTEs 80 75 61 59 NA
% 72.73 68.18 59.80 59.00 NA
Over 50 years FTEs 30 35 41 41 NA
% 27.27 31.82 40.20 41.00 NA
Junior management - Classified by age group FTEs 471 480 478 473 NA
Less than 30 years FTEs 3 2 3 2 NA
% 0.64 0.42 0.63 0.42 NA
30-50 years FTEs 412 412 384 356 NA
% 87.47 85.83 80.33 75.26 NA
Over 50 years FTEs 56 66 91 115 NA
% 11.89 13.75 19.04 24.31 NA
All management - Classified by age group FTEs 632 641 631 624 NA
Less than 30 years FTEs 3 2 3 2 NA
% 0.47 0.31 0.47 0.32 NA
30-50 years FTEs 516 512 468 434 NA
% 81.65 79.88 74.17 69.55 NA
Over 50 years FTEs 113 127 160 188 NA
% 17.88 19.81 25.36 30.13 NA
Staff/Non-management - Classified by age group FTEs 3,316 3,465 3,505 3,597 NA
Less than 30 years FTEs 922 883 735 687 NA
% 27.80 25.48 20.97 19.10 NA
30-50 years FTEs 2,237 2,393 2,558 2,667 NA
% 67.46 69.06 72.98 74.15 NA
Over 50 years FTEs 157 189 212 243 NA
% 4.73 5.45 6.05 6.76 NA
405-1 Total number of employees - Classified by nationality FTEs 3,948 4,104 4,136 4,221 NA
Thai FTEs 3,946 4,102 4,128 4,212 NA
% 99.95 99.95 99.80 99.79 NA
Singaporean FTEs 0 2 2 2 NA
% 0.00 0.05 0.05 0.05 NA
Japanese FTEs 1 1 1 1 NA
% 0.03 0.02 0.03 0.02 NA
American FTEs 1 1 1 1 NA
% 0.03 0.02 0.03 0.02 NA
China FTEs 0 0 1 1 NA
% 0.00 0.00 0.03 0.02 NA
German FTEs 0 0 1 1 NA
% 0.00 0.00 0.03 0.02 NA
England FTEs 0 0 2 2 NA
% 0.00 0.00 0.05 0.05 NA
Other nationalities FTEs 0 0 0 1 NA
% 0.00 0.00 0.00 0.02 NA
Top management - Classified by nationality FTEs 51 51 51 51 NA
Thai FTEs 50 50 50 50 NA
% 98.04 98.04 98.04 98.04 NA
Singaporean FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Japanese FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
American FTEs 1 1 1 1 NA
% 1.96 1.96 1.96 1.96 NA
Other nationalities FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Middle management - Classified by nationality FTEs 110 110 102 100 NA
Thai FTEs 110 110 102 100 NA
% 100.00 100.00 100.00 100.00 NA
Singaporean FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Japanese FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
American FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Other nationalities FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Junior management - Classified by nationality FTEs 471 480 478 473 NA
Thai FTEs 471 480 478 473 NA
% 100.00 100.00 100.00 100.00 NA
Singaporean FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Japanese FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
American FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Other nationalities FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
All management positions - Classified by nationality FTEs 632 641 631 624 NA
Thai FTEs 631 640 630 623 NA
% 99.84 99.84 99.84 99.84 NA
Singaporean FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Japanese FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
American FTEs 1 1 1 1 NA
% 0.16 0.16 0.16 0.16 NA
Other nationalities FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
Staff/Non-management - Classified by nationality FTEs 3,316 3,465 3,505 3,597 NA
Thai FTEs 3,315 3,462 3,498 3,589 NA
% 99.97 99.91 99.80 99.78 NA
Singaporean FTEs 0 0 2 2 NA
% 0.00 0.00 0.06 0.06 NA
Japanese FTEs 1 1 1 1 NA
% 0.03 0.03 0.03 0.03 NA
American FTEs 0 0 0 0 NA
% 0.00 0.00 0.00 0.00 NA
China FTEs 0 0 1 1 NA
% 0.00 0.00 0.03 0.03 NA
German FTEs 0 0 1 1 NA
% 0.00 0.00 0.03 0.03 NA
England FTEs 0 0 2 2 NA
% 0.00 0.00 0.06 0.06 NA
Other nationalities FTEs 0 2 0 1 NA
% 0.00 0.06 0.00 0.03 NA
Gender Pay Ratio
405-2 Ratio of female to male employees NA
Executive level - base salary only Ratio female to male ND ND ND ND NA
Executive level - base salary and other cash incentives Ratio female to male ND ND ND ND NA
Management level - base salary only Ratio female to male 1 : 1.22 1 : 1.29 1 : 1.44 1 : 1.45 NA
Management level - base salary and other cash incentives Ratio female to male 1 : 1.24 1 : 1.25 1 : 1.22 1 : 1.45 NA
Non-management level -base salary only Ratio female to male 1 : 1.57 1 : 1.30 1 : 1.42 1 : 1.58 NA
Contractors
2-8 Total number of contractors/non-employees whose work is controlled by the organization FTEs 4,012 4,083 4,437 2,812 NA
Freedom of Association and Collective Bargaining
S&P Global Percentage of employees represented by welfare committee in the workplace % 100.00 100.00 100.00 100.00 NA
Hiring
401-1 Numbers and rate of new employee hires FTEs 277 451 266 291 NA
% of total employees 7.02 10.98 6.43 6.89 NA
Classified by gender
Male FTEs 147 244 147 171 NA
% of total employees 3.72 5.94 3.55 4.05 NA
Female FTEs 130 207 119 120 NA
% of total employees 3.29 5.04 2.88 2.84 NA
Classified by region
Bangkok Metropolitan Region FTEs 130 262 133 126 NA
% 46.93 58.09 50.00 43.30 NA
The North FTEs 5 21 12 17 NA
% 1.81 4.66 4.51 5.84 NA
The Central region FTEs 29 56 35 53 NA
% 10.47 12.42 13.16 18.21 NA
The North East FTEs 27 63 46 55 NA
% 9.75 13.97 17.29 18.90 NA
The South FTEs 10 24 22 28 NA
% 3.61 5.32 8.27 9.62 NA
The East FTEs 12 11 8 3 NA
% 4.33 2.44 3.01 1.03 NA
The West FTEs 5 14 10 9 NA
% 1.81 3.10 3.76 3.09 NA
Classified by age group
Less than 30 years FTEs 226 339 201 230 NA
% of total employees 5.72 8.26 4.86 5.45 NA
30-50 years FTEs 50 111 63 59 NA
% of total employees 1.27 2.70 1.52 1.40 NA
Over 50 years FTEs 1 1 2 2 NA
% of total employees 0.03 0.02 0.05 0.05 NA
S&P Global Numbers and rate of internal hires/open positions filled by internal candidates FTEs ND 235 39.00 62 NA
% ND 5.72 0.94 1.47 NA
% total new employee hires ND 52.11 14.66 21.31 NA
Turnover
401-1 Numbers and rate of employee turnover FTEs 417 316 247 182 NA
% of total employees 10.56 7.70 5.97 4.31 NA
Classified by gender
Male FTEs 226 141 124 116 NA
% of total employees 5.72 3.43 3.00 2.75 NA
Female FTEs 191 175 123 66 NA
% of total employees 4.84 4.26 2.97 1.56 NA
Classified by region
Bangkok Metropolitan Region FTEs 305 248 194 143 NA
% 73.14 78.48 78.54 78.57 NA
The North FTEs 5 16 7 8 NA
% 1.20 5.06 2.83 4.40 NA
The Central region FTEs 12 19 11 10 NA
% 2.88 6.01 4.46 5.49 NA
The North East FTEs 20 21 20 13 NA
% 4.80 6.65 8.10 7.14 NA
The South FTEs 9 6 11 5 NA
% 2.16 1.90 4.46 2.75 NA
The East FTEs 8 3 3 2 NA
% 1.92 0.95 1.21 1.10 NA
The West FTEs 9 3 1 1 NA
% 2.16 0.95 0.40 0.55 NA
Classified by age group
Less than 30 years FTEs 187 136 111 66 NA
% of total employees 4.74 3.31 2.68 1.56 NA
30-50 years FTEs 207 153 116 86 NA
% of total employees 5.24 3.73 2.81 2.04 NA
Over 50 years FTEs 23 27 20 30 NA
% of total employees 0.58 0.66 0.48 0.71 NA
S&P Global Numbers and rate of voluntary employee turnover FTEs 381 276 202 138 NA
% 91.37 87.34 81.78 75.82 NA
% of total employees 9.65 6.72 4.88 3.27 NA
Parental Leave
401-3 Total number of employees entitled to parental leave FTEs 1,555 1,580 1,687 4,221 NA
Male FTEs 0 0 0 2,489 NA
Female FTEs 1,555 1,580 1,687 1,732 NA
Total number of employees that took parental leave FTEs 71 62 45 52 NA
Male FTEs 0 0 0 6 NA
Female FTEs 71 62 45 46 NA
Total number of employees that returned to work after parental leave ended FTEs 69 61 44 52 NA
Male FTEs 0 0 0 6 NA
Female FTEs 69 61 44 46 NA
Total number of employees that are still working 12 months after parental leave ended FTEs 61 57 41 51 NA
Male FTEs 0 0 0 6 NA
Female FTEs 61 57 41 45 NA
Return to work rate of employees that took parental leave % 97 98 98 100 NA
Male % 0 0 0 100 NA
Female FTEs 97 98 98 100 NA
Retention rate of employees that took parental leave % 88 91 91 99 NA
Male % 0 0 0 100 NA
Female FTEs 88 92 91 98 NA
S&P Global Duration of parental leave offered to the majority of employees 14 14 14 19.28 NA
Mothers and primary caregivers Weeks 14 14 14 2.14 NA
Fathers and non-primary caregivers Weeks 0 0 0 17.14 NA
Training
S&P Global Average hours of training and development for employees Hours/FTE 42.93 42.85 41.40 61.40 NA
Classified by gender
Male Hours/FTE 45.53 46.34 44.29 68.87 NA
Female Hours/FTE 39.30 37.84 37.26 65.44 NA
Classified by position level
Top management Hours/FTE 18.08 9.11 8.55 3.53 NA
Middle management Hours/FTE 15.71 19.43 38.27 5.76 NA
Junior management Hours/FTE 40.02 30.82 39.84 66.76 NA
Officer/ Non-management Hours/FTE 44.31 45.12 42.18 62.98 NA
Average amount spent on training and development for employees THB/FTE 657.46 2093.03 1362.57 1,737.25 NA
Classified by gender
Male THB/FTE 563.15 1,805.72 1,362.57 1,737.25 NA
Female THB/FTE 789.50 2,504.59 1,362.57 1,737.25 NA
Classified by position level
Top management THB/FTE 7,898.65 7,266.62 6,818.18 9,803.92 NA
Middle management THB/FTE 2,345.36 1,535.99 6,382.98 5,434.78 NA
Junior management THB/FTE 537.14 413.60 1,327.43 1,569.51 NA
Officer/ Non-management THB/FTE 265.96 1,157.67 1,185.56 1,603.77 NA
Human Capital Return on Investment: HCROI - 3.18 3.49 3.63 3.53 NA
Employee Engagement
S&P Global Employee engagement
Percentage of actively engaged employees from total employees % 86.27 92.96 93.70 85.71 85.00
Customer Safety
- Fatalities for passengers Cases 0 0 0 0 0
High-consequence injuries for passengers Cases 0 0 0 0 0
Cases/1 million passengers 0 0 0 0 <0.01
Occupational Health and Safety
403-8 Occupational health and safety management system
Employees covered by the company's OHS management system % 100.00 100.00 100.00 100.00 100.00
Internal audit of the employees covered by the company's OHS management system % 100.00 100.00 100.00 100.00 100.00
Third-party audit of the employees covered by the company's OHS management system % 100.00 100.00 100.00 100.00 100.00
Contractors covered by the company's OHS management system % 100.00 100.00 100.00 100.00 100.00
Internal audit of the employees covered by the company's OHS management system % 100.00 100.00 100.00 100.00 100.00
Third-party audit of the employees covered by the company's OHS management system % 100.00 100.00 100.00 100.00 100.00
403-9 Total hours worked
Employees Hours worked 7,420,794.00 7,528,845.00 8,114,284.00 8,024,226.00 NA
Contractors Hours worked 6,816,899.30 6,898,989.00 7,270,699.00 7,183,583.00 NA
Work-related fatalities
Employees Cases 0 0 0 0 0
Cases/1 million hours worked 0 0 0 0 0
Contractors Cases 0 0 1 0 0
Cases/1 million hours worked 0 0 0.14 0.00 0
High-consequence work-related injuries
Note: Workers cannot fully recover within 6 months.
Employees Cases 1 0 0 0 0
Cases/1 million hours worked 0.13 0.00 0.00 0 0
Contractors Cases 0 0 0 0 0
Cases/1 million hours worked 0 0 0 0 0
Recordable work-related injuries
Employees Cases 5 4 5 4 0
Cases/1 million hours worked 0.67 0.53 0.62 0.50 0
Contractors Cases 9 8 7 3 0
Cases/1 million hours worked 1.32 1.16 0.96 0.42 0
Loss-time injury frequncy rate: LTIFR
Employees Cases 2 2 5 4 0
Cases/1 million hours worked 0.27 0.27 0.62 0.50 0
Contractors Cases 1 1 7 3 0
Cases/1 million hours worked 0.15 0.14 0.96 0.42 0
403-10 Work-related ill health fatalities
Employees Cases 0 0 0 0 0
Contractors Cases 0 0 0 0 0
Recordable work-related ill health
Employees Cases 0 0 0 0 0
Contractors Cases 0 1 0 0 0
SASB Total recordable incident rate: TRIR
Employees Cases 8 21 13 6 0
Cases/1 million hours worked 1.08 2.79 1.60 0.75 0.00
Contractors Cases 19 17 29 7 0
Cases/1 million hours worked 2.79 2.46 3.99 0.97 0.00
Near miss frequency rate: NMFR
Employees Cases 5 18 9 5 0
Cases/1 million hours worked 0.67 2.39 1.11 0.62 0.00
Contractors Cases 13 11 29 29 0
Cases/1 million hours worked 1.91 1.59 3.99 4.04 0.00
- Data coverage
Employees % 100.00 100.00 100.00 100.00 100.00
Contractors % 100.00 100.00 100.00 100.00 100.00

Governance and Economic Dimension

GRI Indicators Unit Performance 2025 Target
2022 2023 2024 2025
Business Ethics
- Total confirmed breaches of business ethics Cases 0 0 0 0 0
205-3 Corruption Cases 0 0 0 0 0
Corruption in which employees were dismissed or disciplined Cases 0 0 0 0 0
Corruption in which contracts with business partners were terminated or not renewed Cases 0 0 0 0 0
Public legal cases regarding corruption brought against the organization or its employees Cases 0 0 0 0 0
- Discrimination and All types of harassment Cases 0 0 0 0 0
418-1 Breaches to customer privacy data Cases 0 0 0 0 0
External Organizations' Complaints Cases 0 0 0 0 0
Governace Agencies' Complaints Cases 0 0 0 0 0
Identified leaks, thefts, or losses of customer privacy data Cases 0 0 0 0 0
- Conflict of interest Cases 0 0 0 0 0
Money laundering and Insider trading Cases 0 0 0 0 0
2-27 Significant cases of non-compliance with laws and regulations Cases 0 0 0 0 0
Significant cases for which fines were incurred Cases 0 0 0 0 0
Significant cases for which non-monetary sanctions were incurred Cases 0 0 0 0 0
Total cases of non-compliance with laws and regulations Cases 0 0 0 0 0
Total cases for which fines were incurred Cases 0 0 0 0 0
THB 0 0 0 0 0
Policy Influence
- Total Contributions and other spendings in Policy Influence THB 0 0 0 0 0
Lobbying, interest representation, or similar THB 0 0 0 0 0
Local, regional or national political campaigns / organizations / candidates THB 0 0 0 0 0
Trade associations MTHB 2.03 2.06 2.45 2.52 NA
Others THB 0 0 0 0 0
Cybersecurity
- Total breaches to cybersecurity
Note: Three cases of cyber attacks were detected in 2023, two cases were detected in 2024, and one case was detected in 2025. However, the company was able to contain them effectively, with no impact on service delivery or the leakage of personal data.
Cases 0 3 2 1 0
Total clients, customers and employees affected by the breaches People 0 0 0 0 0
Customer Relationship Management
2-29 Customer satisfaction % 99.88 96.63 95.98 96.81 ≥98
Data coverage % 38 100 100 100 100
Supply Chain Management
- Supplier identification and screening
Total tier-1 suppliers Numbers 798 782 774 793 NA
Total significant suppliers in tier-1 and non tier-1 Numbers 14 15 11 9 NA
Significant suppliers in tier-1 Numbers 12 12 11 9 NA
Percentage of total spend on significant suppliers in tier-1 % 69.31 45.65 63 32.44 NA
Significant suppliers in non tier-1 Numbers 2 3 0 0 NA
308-1 Percentage of new suppliers that were screened using environmental criteria % 0 100 100 100 NA
- Supplier assessment
Total number of suppliers assessed via desk assessments/on-site assessments Numbers 12 463 660 751 NA
Percentage of significant suppliers assessed % 100 100 100 100 100
Number of suppliers with substantial actual/potential negative impacts Numbers 0 0 0 0 0
Percentage of suppliers with substantial actual/potential negative impacts with agreed corrective action plan % 0 0 0 0 0
Number of suppliers with substantial actual/potential negative impacts that were terminated Numbers 0 0 1 0 0
Supplier development
Number of suppliers supported in corrective action plan implementation Numbers 0 0 0 0 NA
Percentage of suppliers with substantial actual/potential negative impacts with agreed corrective action plan % 0 0 0 0 NA
Number of suppliers in sustainability capacity building programs Numbers ND 42 72 87 NA
Percentage of significant suppliers in sustainability capacity building programs % 0 0 100 100 NA

Remark:

GRI = Global Reporting Initiative

SASB = Sustainability Accounting Standards Board

S&P Global = Global credit rating agency

NA = Not available

ND = No data available

0 = Data collected shows zero or targets set zero

GHG = Greenhouse Gases

TDS = Total dissolved solids

A lost time incident = A work-related injury that results in an employee being unable to perform their ragular duties for at least one full day or shift after the day of the incident

For Environment Dimension

Year 2022: Data from Expressway business and Rail business

Year 2023-2025: Data from Expressway business, Rail business, and Commercial Development business

For Social Dimension

Year 2022: Data from Expressway business, Rail business, and Commercial Development business (except classified by region)

Year 2023-2025: Data from Expressway business, Rail business, and Commercial Development business

FTEs = Number of Full Time Employees

For Corporate Governance and Economic Dimension

Year 2022: Data for Customer Relationship Management from Rail business

Year 2022-2025: Data for Supply Chain Management from Expressway business and Rail business

Year 2023-2025: Data from Expressway business, Rail business, and Commercial Development business