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ESG Performance

Sustainability Indicators Table
Sustainability Indicators Unit 2021 2022 2023 2024 2025 2025 Target
Environmental Policy & Management System
Capital Investment Baht 29,389,322 29,389,322 27,590,790.50 74,031,200.00 Data collection in progress
Operating Expenses Baht n.d. n.d. n.d. n.d. n.d.
Savings/Cost Avoidance Baht 25,846,780 25,846,780 16,044,195.49 5,820,188.53 Data collection in progress
Data Coverage (Operations) Percent 100 100 50.00 100.00 100.00
Proportion of investment in low-carbon service innovation to total AOT revenue Percent n.d. n.d. n.d. n.d. n.d.
Number of Environmental Violations of Legal Regulations Cases 0.00 0.00 0.00 0.00 0.00
ISO 14001 Certification Coverage Percentage 16.67 16.67 16.67 16.67 16.67
Energy
Total Energy Consumption Megawatt-hour 457,268 784,905 974,738.58 597,544.36 604,145.00
Total Non-Renewable Energy Consumption Megawatt-hour n.d. n.d. n.d. n.d. n.d.
Total Renewable Energy Consumption Megawatt-hour 294 286 293.62 n.d. 342.00
Electricity Megawatt-hour 456,973 784,619 974,444.96 597,544.36 604,145.00
Heating Megawatt-hour n.d. n.d. n.d. n.d. n.d.
Cooling Megawatt-hour 67,463 347,886 n.d. n.d. n.d.
Steam Megawatt-hour n.d. n.d. n.d. n.d. n.d.
Energy Intensity MWh/passenger n.d. n.d. n.d. 0.01 0.005
Total Energy Sold Megawatt-hour n.d. n.d. n.d. n.d. n.d.
Total External Energy Consumption (Upstream & Downstream) Megawatt-hour n.d. n.d. n.d. n.d. n.d.
Energy Reduction from Suvarnabhumi Airport's Solar Roof Project Megawatt-hour n.d. n.d. n.d. 9,529.95
Pollutant
NOX kilograms n.d. n.d. n.d. n.d. n.d.
SOX kilograms n.d. n.d. n.d. n.d. n.d.
VOC kilograms n.d. n.d. n.d. n.d. n.d.
Waste & Pollutants
Total Waste kilograms 17,746,486 18,363,142 13,618,113.00 54,991,871 52,890,190
Non-Hazardous Waste kilograms n.d. n.d. n.d. 54,859,545 52,742,970
Hazardous Waste kilograms n.d. n.d. n.d. 132,326 147,220
Plastic Waste kilograms n.d. n.d. n.d. n.d. n.d.
Total Waste Recycled/Reused kilograms 770,013.00 540,860.00 973,840.00 21,050,905 18,973,260
Hazardous Waste kilograms n.d. n.d. n.d. n.d. n.d.
Non-Hazardous Waste kilograms n.d. n.d. n.d. 21,050,905 18,973,260
Total Waste Disposed kilograms 16,976,473.00 18,009,056.00 12,644,273.00 49,590,994 52,890,190
Waste Landfill kilograms 2,115,490.00 3,129,412.00 4,938,029.00 33,805,954 14,256,960
Waste incinerated With Energy Recovery kilograms 14,860,980.00 14,879,650.00 7,706,244.00 15,785,040.00 15,764,800
Incinerated Without Energy Recovery kilograms 0.00 0.00 0.00 0.00 0.00
Others kilograms 0.00 0.00 0.00 0.00 0.00
Data Coverage (Operations) Percent 100.00 100.00 100.00 100.00 100.00
Water
Total Water Withdrawal Thousand cubic meters 6,218.00 6,251.00 8,454.13 22,766.09 8,917.00
Surface water Thousand cubic meters 35.00 n.d. n.d. 0.00 0.00
Groundwater Thousand cubic meters 309.00 333.00 n.d. 329.85 267.84
Brackish water Thousand cubic meters n.d. n.d. n.d. 0.00 0.00
Water from business partners Thousand cubic meters 5,823.00 5,918.00 n.d. 9,341.24 8,917.33
Seawater Thousand cubic meters n.d. n.d. n.d. 13,095.00 0.00
Proportion of total water consumption in water-stressed areas Percent n.d. n.d. n.d. 0.00 0.00
Total Water Discharge Thousand cubic meters 1,463.00 1,734.00 980.43 3,840.49 4,547.43
Discharged to surface water Thousand cubic meters 1,463.00 1,734.00 980.43 3,840.49 4,547.43
Discharged to groundwater Thousand cubic meters n.d. n.d. n.d. 0.00 100.00
Discharged to seawater Thousand cubic meters n.d. n.d. n.d. 0.00 0.00
Managed by business partners Thousand cubic meters n.d. n.d. n.d. 0.00 0.00
Proportion of total water discharge into water-stressed areas Percent n.d. n.d. n.d. 0.00 0.00
Total Net Water Consumption Thousand cubic meters 4,755.00 4,783.00 7,521.00 9,186.44 9,185.17
Surface water Thousand cubic meters n.d. n.d. n.d. 0.00 0.00
Groundwater Thousand cubic meters n.d. n.d. n.d. 329.85 267.84
Brackish water Thousand cubic meters n.d. n.d. n.d. 0.00 0.00
Water from business partners Thousand cubic meters n.d. n.d. n.d. 9,341.24 8,917.33
Proportion of total net water consumption in water-stressed areas Percent n.d. n.d. n.d. 0.00 0.00
Water
Total Water Withdrawal Thousand cubic meters 6,218.00 6,251.00 8,454.13 22,766.09 8,917.00
Surface water Thousand cubic meters 35.00 n.d. n.d. 0.00 0.00
Groundwater Thousand cubic meters 309.00 333.00 n.d. 329.85 267.84
Brackish water Thousand cubic meters n.d. n.d. n.d. 0.00 0.00
Climate Strategy*
Total Direct GHG Emissions (Scope 1) tonnes of CO2 equivalent 2,499.25 2,819.64 2,941.58 2,882.54 2,774.78
Data Coverage (Operations) Scope 1 Percent 100.00 100.00 100.00 100.00 100.00
Total Indirect GHG Emissions (Scope 2) tonnes of CO2 equivalent 178,974.37 224,506.94 284,837.17 259,566.22 293,530.95
Data Coverage (Operations) Scope 2 Percent 100.00 100.00 100.00 100.00 100.00
GHG Emissions Scope 1 + 2 tonnes of CO2 equivalent 181,473.62 227,326.58 287,778.75 262,423.82 296,305.73
GHG Emission Scope 3 tonnes of CO2 equivalent 1,718,167.28 1,718,167.28 90,225.9 113,204.34 140,504.38
Biodiversity
Total Operational Sites Number 6.00 6.00 6.00 6.00 6.00
Total Operational Sites with Biodiversity Impact Assessment Number 5.00 5.00 5.00 5.00 5.00
Total Operational Sites Near Critical Biodiversity Sites or with significant impact Number 2.00 2.00 2.00 2.00 2.00
Biodiversity Management Plan Data Coverage Percent 100.00 100.00 100.00 100.00 100.00

Remark : *New base value for 2024

Sustainability Indicators - Social Section (Complete English Version)

Remarks:

  • *AOT does not employ persons with disabilities or individuals from underprivileged groups. Instead, the company contributes to the fund in accordance with the Persons with Disabilities Empowerment Act B.E. 2550 (2007).

  • **In fiscal year 2024, the training curriculum was revised from four programs to five programs.

  • ***Data will be available for entry at the end of fiscal year 2025 (September 30, 2025).

Sustainability Indicators Unit 2021 2022 2023 2024 2025 2025 Target
Transparency & Reporting
Expenses related to sustainability operations Baht n.d. n.d. n.d. 6,346,251.85 n.d.  
Corporate Governance
Total CEO Compensation Baht n.d. n.d. 10,268,090.80 10,340,000.00 Undisclosed  
Median Employee Compensation (Excluding CEO) Baht 298,782.00 184,535.00 298,782.00 27,700.00 27,995.50  
Mean Employee Compensation (Excluding CEO) Baht 487,924.67 617,697.11 487,924.67 43,162.95 43,402.37  
CEO-to-Employee Pay Ratio (Median) - n.d. n.d. 34.37 373.29 14.70  
CEO-to-Employee Pay Ratio (Mean) - n.d. n.d. 21.04 239.56 21.14  
Total Compensation of Senior Executives (Level 7 and above) Baht n.d. n.d. n.d. 174,634,132.45 181,623,223.85  
Total Number of Board Directors Persons 15 15 13 14 14  
Number of Female Board Directors Persons 5 5 3 3 3  
Board Directors aged under 30 years old Persons n.d. n.d. 0 0 0  
Board Directors aged 30 - 50 years old Persons n.d. n.d. n.d. 5 2  
Board Directors aged over 50 years old Persons n.d. n.d. n.d. 9 13  
LGBTQ+ Board Directors Persons n.d. n.d. n.d. 0 0  
Executive Directors Persons 1 1 1 1 0  
Independent Directors Persons 11 10 9 7 8  
Directors with Business-Related Skills (GCIS) Persons 8 8 9 7 7  
Percentage of Female Directors in Sub-Committees Percent n.d. n.d. n.d. n.d. 1.00  
Audit Fees Baht n.d. n.d. 7,375,000.00 8,280,000.00 5,700,000.00  
Non-Audit Fees Baht n.d. n.d. 60,000.00 1,860,000.00 960,000.00  
Business Ethics
Confirmed violations of business ethics (5 categories) Cases 0.00 0.00 0.00 0.00 3.00  
Ongoing cases of business ethics violations Cases 0.00 0.00 0.00 1.00* 3.00  
Coverage of business ethics violation data Percent n.d. n.d. n.d. 100.00 100.00  
Coverage of anti-corruption policy Percent 100.00 100.00 100.00 100.00 100.00  
Partners trained in business ethics Percent n.d. n.d. n.d. n.d. n.d.  
AOT board members trained Percent n.d. n.d. n.d. 100.00 100.00  
Employees trained Percent n.d. n.d. n.d. 100.00 100.00  
Charitable donations Baht n.d. n.d. n.d. 8,941,534.35 13,565,036.00  
Budget allocated to support organizations Baht n.d. n.d. n.d. 45,337,050.00 62,811,050.00  
Political contributions Baht n.d. n.d. n.d. 0.00 0.00  
Policy Influence
Total Trade Association Contribution Baht 2,716,800.00 3,699,665.33 4,874,601.67 9,308,089.19 6,640,611.20  
United Nations Global Compact: Membership Fee Baht n.d. n.d. n.d. 437,500.00 525,500.00  
Airports Council International: Membership Fee Baht 2,531,200.00 2,861,791.13 2,719,076.00 3,242,957.40 3,470,684.20  
Airports Council International: Activity Cost Baht n.d. n.d. 1,138,283.00 2,260,031.00 253,873.01  
Airports Council International: Committee Engagement Baht n.d. n.d. 1,017,241.92 3,367,600.79 2,390,553.99  
Supply Chain Management
Total Number of Tier-1 Suppliers Persons 251 305 509 822 1,733  
Total Number of Significant Tier-1 Suppliers Persons 31 170 83 52 74  
Total Spend on Significant Suppliers in Tier-1 Percent 82.00 55.74 89.23 n.d. 90.07  
Total Number of Significant Non Tier-1 Suppliers Persons 2 0 0 0 0  
Average Payment Day to Suppliers Day n.d. n.d. n.d. 7.00 7.00  
Risk Assessment
Total Number of Suppliers Screened Count n.d. n.d. n.d. n.d. n.d.  
Total Number of Suppliers Assessed via Desk Assessments/On-site Assessments Persons 100 170 83 0 xx  
Unique Significant Suppliers Assessed Percent 100.00 100.00 100.00 0 xx  
Number of Suppliers Assessed with Substantial Actual/Potential Negative Impacts Persons 5 1 2 0 xx  
Suppliers with Substantial Actual/Potential Negative Impacts with Agreed Corrective Action/Improvement Plan Percent 50.00 0.00 0.00 0.00 xx  
Number of Suppliers with Substantial Actual/Potential Negative Impacts That Were Terminated Persons n.d. 0 0 0 0  
Supplier Penalties
Total Number of Suppliers Supported in Corrective Action Plan Implementation Persons n.d. 12 0 0 0  
Suppliers Assessed with Substantial Actual/Potential Negative Impacts Supported in Corrective Action Plan Implementation Percent n.d. 100.00 0.00 0.00 0.00  
Supplier Sustainability Development
Total Number of Suppliers in Capacity Building Programs Persons n.d. 12 0 0 0  
Unique Significant Suppliers in Capacity Building Programs Percent n.d. 7.05 0.00 0.00 0.00  
Information Security / Cybersecurity & System Availability
Total Number of Information Security Breaches Cases 0 0 0 0 0  

Remarks:

  • *The event occurred in the past but continues to have an impact.
Sustainability Indicators Unit 2024 2025
Business Ethics
Business partners trained in business ethics Percent 18 60
Supply Chain Management
Total Number of Tier-1 Suppliers Number 350 380
Total Number of Significant Tier-1 Suppliers Number 350 380
Total Spend on Significant Suppliers in Tier-1 Percent 95% 1
Total Number of Significant Non Tier-1 Suppliers Number 350 200
Actual average payment period to business partners Days 90 80
Information Security
Total Number of Information Security Breaches Cases 0 0
Waste & Pollutants
Total Waste Kilograms 732,110 779,300
Non-hazardous waste Kilograms 356,190 391,160
Hazardous waste Kilograms 53,960 30,100
Plastic waste Kilograms 321,960 358,040
Water
Water Withdrawal Thousand cubic meters 128.724 91
Water Discharge Thousand cubic meters 128.724 91
Climate Strategy
Total Direct GHG Emissions (Scope 1) Ton CO₂ equivalent 3.02 3
Total Indirect GHG Emissions (Scope 3) Ton CO₂ equivalent 80.11 58
Labour Practices
All employees Persons 422 411
Share of Women in Total Workforce Percent 47 47
Management Positions in Revenue-generating Functions Percent 3 4
Occupational Health & Safety
Fatality - Own Employee Persons 0 0
Fatality - Contractors Persons 0 0
Incident Rate (IR) - Own Employees Percent 2.13 1
Customer Relations
Proportion of revenue from online channels Percent 66.45 75
Proportion of customers using online channels Percent 56.73 68
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