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AECOM — full event log

Every event we have on file across every reporting year. The Data-by-year tab summarises the top 10 per year; this page shows them all.

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2025· 22 events

CDP A- ratingData confidence — high

Achieved an industry-leading A- score from CDP, one of the most comprehensive sustainability ratings agencies in the world.

sustainability_report p.27

Dependent: ScopeX client-project decarbonisationData confidence — high

ScopeX is AECOM's integrated approach to decarbonising the built environment, aiming to reduce embodied and operational carbon by at least 50% versus industry norms on major projects. Certified to PAS 2080, applied on Transpennine Route Upgrade (UK), CTrides (Connecticut DOT), and BBC Workplace Building Portfolio. Implemented an industry-leading workflow to identify and reduce waste on most carbon-intensive construction projects.

sustainability_report p.28

Primary: Office energy / Scope 2 reductionsData confidence — high

Scope 2 (office purchased electricity and heat) reduced from 47,304 tCO2e in FY18 baseline to 18,610 tCO2e in FY25 — a ~61% reduction. Combined Scope 1+2 reduced 38% vs baseline including emissions intensity reductions on an NSR basis, on track with the Science-Based Target trajectory.

sustainability_report p.29

PAS 2080 certification for ScopeX decarbonization approachData confidence — high

ScopeX, AECOM's integrated approach to decarbonizing the built environment, is certified to the global PAS 2080 standard for whole-life carbon management.

sustainability_report p.28

Dependent: Purchased goods & services supplier engagementData confidence — high

Purchased Goods & Services is by far AECOM's largest emissions category (1,479,003 tCO2e in FY25, ~93% of total). AECOM supports its top 50% carbon-emitting suppliers to reduce their emissions through its Supplier Engagement Program — the central lever for Scope 3 reductions.

sustainability_report p.27

Science-Based Targets — progress vs FY18 baselineData confidence — high

AECOM tracks Science-Based Targets with an FY18 baseline. As of FY25, reduced Scope 1+2 emissions by 38%, Scope 3 by 29%, and total emissions by 29% vs baseline, on track with SBT trajectory.

sustainability_report p.29

UN Global Compact signatory; Human Rights & Modern Slavery statementsData confidence — high

AECOM is a signatory to the U.N. Global Compact and adheres to International Bill of Rights and ILO Declaration of Fundamental Principles and Rights at Work, with published Human Rights Statement and Modern Slavery Act Statement.

sustainability_report p.34

Primary: Fleet decarbonisationData confidence — high

Scope 1 fleet vehicle (mobile combustion) emissions were 26,247 tCO2e in FY25, modestly above the FY18 baseline of 25,010 tCO2e but down from 28,996 in FY24. Fleet remains a primary operational decarbonisation lever.

sustainability_report p.31

RoSPA Order of Distinction — 16 consecutive Gold AwardsData confidence — high

AECOM awarded Royal Society for the Prevention of Accidents (RoSPA) Order of Distinction for achieving 16 consecutive annual Gold Awards in occupational health & safety.

sustainability_report p.35

Primary: Fleet vehicle (mobile combustion) decarbonisationData confidence — high

Fleet vehicles remain the largest Scope 1 source at 26,247 tCO2e in FY25, up modestly from 25,010 in FY18 baseline but down from 28,996 in FY24. Refrigeration fugitive emissions remain small at 89 tCO2e.

sustainability_report p.29

Primary: Business travel reductionData confidence — high

Business travel emissions declined to 43,380 tCO2e in FY25, a 49% reduction vs FY18 baseline of 85,131 tCO2e and down from 51,466 in FY24. Significant contributor to Scope 3 reduction trajectory for a professional services firm.

sustainability_report p.29

Dependent: Supplier engagement program (purchased goods & services)Data confidence — high

Purchased Goods & Services is AECOM's largest Scope 3 category at 1,479,003 tCO2e in FY25 (down from 2,058,962 in FY18). AECOM operates a Supplier Engagement Program targeting its top 50% carbon-emitting suppliers to help them reduce emissions.

sustainability_report p.27

Primary: AI-enabled engineering efficiency (materials reduction)Data confidence — high

AECOM's AI for Engineering platform represents an opportunity to reduce up to 20% of project materials and deliver up to 6 times more efficiently, reducing embodied carbon through reduced rework and material waste. Backed by 200+ AI/ML PhDs and the Oscar proprietary LLM.

sustainability_report p.19

Primary: Office energy efficiency (purchased electricity & heat)Data confidence — high

Scope 2 location-based emissions reduced from 47,304 tCO2e in FY18 baseline to 18,610 tCO2e in FY25 — a 61% reduction driven by reductions in both purchased electricity (37,176→14,510 tCO2e) and purchased heat (10,128→4,100 tCO2e) for office energy. Contributed to overall 38% Scope 1+2 reduction vs baseline.

sustainability_report p.29

Dependent: ScopeX — client project decarbonisation (embodied & operational carbon)Data confidence — high

ScopeX is AECOM's integrated approach to decarbonizing the built environment, focused on reducing embodied and operational carbon by at least 50% compared to industry norms on major projects. Guided by the ScopeX Decarbonization Policy and certified to PAS 2080, it covers materials, site selection, logistics, and construction methods. Implemented an industry-leading workflow to identify and reduce waste on most carbon-intensive construction projects. Deployed on Transpennine Route Upgrade (UK), CTrides (Connecticut DOT), and BBC Workplace Building Portfolio.

sustainability_report p.28

CDP A- rating achievedData confidence — high

Achieved industry-leading A- score from CDP, one of the most comprehensive sustainability ratings agencies in the world.

sustainability_report p.27

ScopeX certified to PAS 2080Data confidence — high

AECOM's ScopeX decarbonization approach is certified to global PAS 2080 standard for whole-life carbon management in infrastructure.

sustainability_report p.28

TNFD early adopter — inaugural disclosureData confidence — high

Reported for the first time on nature and biodiversity risk and opportunity in line with the Taskforce on Nature-related Financial Disclosures (TNFD); inaugural TNFD-aligned disclosure published in 2025 Sustainability Report.

sustainability_report p.28

Science-Based Targets progress vs FY18 baselineData confidence — high

AECOM tracks against Science-Based Targets using a FY18 baseline. As of FY25: 38% reduction in Scope 1+2, 29% reduction in Scope 3, and 29% reduction in total emissions, on track with required reductions.

sustainability_report p.29

UN Global Compact signatory & Modern Slavery StatementData confidence — high

AECOM is a signatory to the UN Global Compact and publishes a Human Rights Statement and Modern Slavery Act Statement, adhering to International Bill of Rights and ILO Declaration of Fundamental Principles and Rights at Work.

sustainability_report p.34

Ethisphere World's Most Ethical Companies (9x)Data confidence — high

Recognized by Ethisphere as one of the World's Most Ethical Companies for the fifth consecutive year and ninth time overall.

sustainability_report p.7

Ethisphere World's Most Ethical Companies — 9th timeData confidence — high

Named by Ethisphere as one of the World's Most Ethical Companies for the fifth year in a row and ninth time overall.

sustainability_report p.7

2024· 25 events

Primary: Office real-estate energy efficiency and green leasesData confidence — high

Quarterly performance reviews in each region; energy audits using real-estate energy survey covering 80% of energy footprint; embedding green-lease criteria to improve utility data access and collaborate with landlords on energy initiatives. Total emissions declined 20% vs FY18 baseline.

sustainability_report p.25

Primary: Fleet vehicle electrification and efficiencyData confidence — high

Transitioning the automotive fleet to either more fuel-efficient or electric vehicles to drive down Scope 1 emissions from fleet vehicles.

sustainability_report p.28

Dependent: Supplier Engagement Program for Scope 3 purchased goods & servicesData confidence — high

Supply chain emissions have declined 19% since 2018. Suppliers asked at onboarding to provide sustainability data and targets; over time these become standard in procurement with requirements set for top emitters. Supplier Engagement Program supports top emitting suppliers in their carbon reduction journey.

sustainability_report p.28

Real estate restructuring & exit of Southeast Asian countriesData confidence — high

Fiscal 2024 restructuring charges of $98.9M primarily to align real estate portfolio with employee flexibility initiatives, exit certain Southeast Asia countries, drive support efficiency and reduce risk profile.

sustainability_report p.42

Global Biodiversity Framework commitment and Nature Risk ToolData confidence — high

AECOM partnered with the Sustainable Markets Initiative to lead the Taskforce on Measurement and Transparency and implemented a global biodiversity policy that includes commitments to the Global Biodiversity Framework. Launched Nature Risk Tool in fiscal 2024.

sustainability_report p.24

On-site solar and renewable PPAs for offices; fleet electrificationData confidence — high

Scope 1 & 2 emissions reductions are driven by transitioning the automotive fleet to more fuel-efficient or electric vehicles and embedding green-lease criteria in real estate to improve utility data access and collaborate with landlords on renewable energy initiatives. Real estate energy surveys now cover 80% of AECOM's energy footprint. Within its ScopeX projects for clients, AECOM optimizes sources of renewable power and minimizes energy use.

sustainability_report p.28

Dependent: ScopeX in client projects: decarbonizing the built environmentData confidence — high

ScopeX considers materials, site locations, logistics, and construction methods to reduce/eliminate a project's impact on the natural environment. Achieved PAS 2080 certification in 2024. Considered AECOM's biggest contribution to ending the climate emergency by decarbonizing the built environment and supporting clients' net-zero agendas.

sustainability_report p.24

Dependent: Supplier engagement program for Scope 3 purchased goods & servicesData confidence — high

Supply chain emissions have declined 19% since 2018. AECOM is embedding low carbon and sustainability considerations into procurement processes. During onboarding, suppliers are asked to provide sustainability data and targets, helping identify those needing more engagement. The Supplier Engagement Program aims to support top emitting suppliers in their carbon reduction journey.

sustainability_report p.28

Primary: Office energy efficiency and real estate footprint optimizationData confidence — high

Scope 2 purchased energy emissions declined 52% from FY18 baseline (47,304 to 22,926 tCO2e). AECOM conducts energy audits using its real estate energy survey covering 80% of its energy footprint and embeds green lease criteria to improve utility data access and encourage collaboration with landlords on energy initiatives. Restructuring actions to align real estate portfolio with employee flexibility (Freedom to Grow) reduce overall office footprint.

sustainability_report p.28

Dependent: ScopeX client project decarbonisationData confidence — high

AECOM's ScopeX is a first-of-its-kind approach with the goal of substantially reducing carbon impact on major client projects, considering materials, site locations, logistics, and construction methods. ScopeX was PAS 2080 certified in fiscal 2024 — among the only global programs to achieve this standard. AECOM views ScopeX as its biggest contribution to ending the climate emergency by decarbonizing the built environment for clients.

sustainability_report p.24

UN Global Compact signatory; modern slavery and human rights commitmentsData confidence — high

AECOM is a signatory to the U.N. Global Compact and adheres to the International Bill of Rights and ILO Declaration. Maintains Human Rights Statement and Modern Slavery Act Statement.

sustainability_report p.30

On-site renewables integration via ScopeX project designs and real estate energy auditsData confidence — high

AECOM's approach to renewables for its own operations focuses on real estate energy audits covering 80% of its energy footprint and embedding green lease criteria to improve utility data access and encourage collaboration with landlords on energy initiatives. The Company is transitioning its automotive fleet to more fuel efficient or electric vehicles. For client projects, AECOM's ScopeX approach optimizes sources of renewable power and minimizes energy use in major project designs.

sustainability_report p.28

AECOM Capital transitioned to third-party platformData confidence — high

The Company completed a transaction that transitioned the AECOM Capital team to a new third-party platform in the third quarter of fiscal 2024. The team will continue to support AECOM Capital's investment vehicles pursuant to certain advisory agreements.

sustainability_report p.7

Recalculated emissions baseline FY18 and subsequent yearsData confidence — high

This year we have recalculated our baseline and subsequent years across all scopes as a result of activity data improvements, advancements in our accounting methodology, and updates to emission factors.

sustainability_report p.28

Travel with Purpose program — 50% business travel emissions reductionaffects scope 3 business travelData confidence — high

Sustained execution of Travel with Purpose program to reduce business travel emissions by 50%. As a result, total emissions have declined by 20% compared to fiscal 2018 baseline, with 40% reduction in business travel since 2018.

sustainability_report p.23

Primary: Fleet electrification and fuel efficiencyData confidence — high

AECOM is transitioning its automotive fleet to either more fuel efficient or electric vehicles. Scope 1 fuel combusted and fugitive emissions were 29,072 tCO2e in FY24, up 16% from FY18 baseline due to recalculation.

sustainability_report p.28

ScopeX certified to PAS 2080Data confidence — high

In fiscal 2024, AECOM's ScopeX approach achieved a unique accomplishment in our industry being certified by PAS 2080, among the only programs globally to have achieved such a standard.

sustainability_report p.24

High-quality carbon removal offsets for residual 10% by 2040Data confidence — high

Under the SBTi-validated net zero plan, AECOM commits to reducing all emissions 90% by 2040 (vs 2018) and offsetting remaining emissions in 2040 through high quality carbon removal projects. AECOM also maintained operational net zero status in fiscal 2024 through Scope 1 & 2 reductions and offsetting remaining emissions.

sustainability_report p.28

High quality carbon removal projects to offset residual 2040 emissionsData confidence — high

AECOM commits to reducing all emissions 90% by 2040 (compared with 2018) and offsetting remaining emissions in 2040 through high quality carbon removal projects. AECOM also maintained its operational net zero status in fiscal 2024, which it achieved through reductions of Scopes 1 and 2 emissions while offsetting remaining emissions.

sustainability_report p.28

Recalculated FY18 baseline and all subsequent yearsData confidence — high

Recalculated baseline and subsequent years across all scopes due to activity data improvements, accounting methodology advancements, and emission factor updates.

sustainability_report p.28

ScopeX achieves PAS 2080 certificationData confidence — high

AECOM's ScopeX approach for reducing project carbon impact was certified by PAS 2080, among the first global programs to achieve this standard.

sustainability_report p.24

Global biodiversity policy and Nature Risk Tool launchedData confidence — high

Partnered with Sustainable Markets Initiative to lead the Taskforce on Measurement and Transparency; implemented a global biodiversity policy aligned to the Global Biodiversity Framework; launched Nature Risk Tool in fiscal 2024.

sustainability_report p.24

Achieved 20% women in senior leadership near-term targetaffects workforce management female pctData confidence — high

AECOM achieved its near-term target of women comprising at least 20% of senior leadership roles, with progress towards 35% companywide.

sustainability_report p.23

AECOM Capital team transitioned to third-party platformData confidence — high

In Q3 fiscal 2024, the AECOM Capital team transitioned to a new third-party platform; continues to support existing investment vehicles via advisory agreements.

sustainability_report p.44

Primary: Business travel reduction via Travel with Purpose programData confidence — high

Travel with Purpose program targets a 50% reduction in business-travel emissions. Business travel emissions have already declined 40% since 2018, reaching 51,466 tCO2e in FY24 vs 85,131 tCO2e in FY18 baseline.

sustainability_report p.25

2023· 23 events

Primary: Business travel reductionData confidence — high

Business travel emissions declined 65% since 2018, falling from 158,182 tCO2e to 56,032 tCO2e in FY23. This is one of AECOM's largest operational decarbonization levers given the consulting business model.

sustainability_report p.29

Office energy efficiency and fleet electrification to cut Scope 1+2 by 61% vs 2018Data confidence — high

AECOM's global Scope 1 and 2 emissions—covering fleet vehicles and office energy—declined 61% from fiscal 2018 baseline. Progress is being made by increasing the efficiency of office spaces, extending sustainability guidelines for future office refurbishments and relocations, and transitioning the automotive fleet to either more fuel efficient or electric vehicles. Target: 60% Scope 1+2 reduction by 2030 vs 2018.

sustainability_report p.29

Optimize renewable power and decarbonize office energyData confidence — high

AECOM's ScopeX approach minimizes energy use and optimizes sources of renewable power on major projects. Operationally, Scope 2 emissions (covering office energy) declined 71% from 2018 to 2023, achieved by increasing office space efficiency, extending sustainability guidelines for refurbishments/relocations, and transitioning fleet to fuel-efficient or electric vehicles. Combined Scope 1+2 reductions of 61% vs 2018 baseline.

sustainability_report p.29

Terra Carta Seal awarded by Sustainable Markets InitiativeData confidence — high

AECOM was awarded the Terra Carta Seal by the Sustainable Markets Initiative in fiscal 2023, reflecting commitment to sustainability and environmental stewardship.

sustainability_report p.28

Biodiversity statement aligned with Global Biodiversity FrameworkData confidence — high

During fiscal 2023, AECOM formalized a biodiversity statement signed by CEO Troy Rudd, including commitments to support the Global Biodiversity Framework of reversing nature loss by 2030.

sustainability_report p.28

Exploring strategic options for AECOM CapitalData confidence — high

In fiscal 2023, initiated process to explore strategic options for AECOM Capital business consistent with focus on professional services. Recorded $307M impairment in Q3 FY23 reflecting expected acceleration of investment exits.

sustainability_report p.34

Achieved 20% women in leadership near-term targetaffects workforce management female pctData confidence — high

AECOM achieved its near-term 20% gender diversity target for women in leadership roles in fiscal 2023, while continuing to progress against 35% target for overall workforce.

sustainability_report p.17

ScopeX approach launched to decarbonize major projectsData confidence — high

AECOM introduced ScopeX, a first-of-its-kind approach with the goal of substantially reducing carbon impact on major projects. Embeds net zero, resilience, and social value targets into client account management program.

sustainability_report p.27

Real estate portfolio restructuring with $188M chargeData confidence — high

FY23 restructuring expenses of $188.4M primarily related to optimizing real estate portfolio aligned with Freedom to Grow flexibility initiative, plus exit of certain Southeast Asia countries. Included $86.2M impairment of right-of-use assets and leasehold improvements.

sustainability_report p.42

High-quality carbon removal projects to offset residual emissions by 2040Data confidence — high

AECOM's long-term net zero target requires reducing all emissions 90% by 2040 (vs 2018) and offsetting remaining emissions in 2040 through high-quality carbon removal projects. The Company maintains operational net zero status annually by reducing Scopes 1 and 2 in line with climate science and offsetting remaining emissions.

sustainability_report p.29

Primary: Office energy efficiencyData confidence — high

Increasing the efficiency of office spaces and extending sustainability guidelines for future office refurbishments and relocations as part of the Freedom to Grow program. Office real estate portfolio restructuring in FY23 also optimizes footprint.

sustainability_report p.29

Primary: Fleet electrificationData confidence — high

Transitioning the automotive fleet to either more fuel efficient or electric vehicles, contributing to the 30% Scope 1 reduction from 2018 to 2023.

sustainability_report p.29

Dependent: Supplier engagement program for value-chain decarbonizationData confidence — high

Supply chain emissions (purchased goods & services + capital goods) declined 19% since 2018. AECOM is building on this with an expanded supplier engagement program, reaching out to the top 80% of suppliers by emissions to support them in setting targets and their own decarbonization efforts.

sustainability_report p.29

Dependent: Client decarbonization via ESG Advisory and ScopeXData confidence — high

AECOM's ESG advisory practice grew at a double-digit pace, with revenue from projects with an ESG-embedded service up more than fourfold in fiscal 2023. ScopeX approach considers materials, site locations, logistics, and construction methods to reduce and eliminate a project's impact on the natural environment—targeting decarbonization of the built environment via client work.

sustainability_report p.28

Strategic review of AECOM CapitalData confidence — high

In fiscal 2023, AECOM initiated a process to explore strategic options for the AECOM Capital business, consistent with focus on professional services. Recorded $307.0M impairment charge in Q3 FY23 to reduce carrying value of real estate investments.

sustainability_report p.34

Dependent: Supplier engagement on decarbonizationData confidence — high

Expanded supplier engagement program reaching out to top 80% of suppliers by emissions to support them in setting targets and their own decarbonization efforts. Supply chain emissions (Cat 1+2) reduced 19% since 2018.

sustainability_report p.29

Dependent: ScopeX client project decarbonizationData confidence — high

ScopeX is AECOM's first-of-its-kind approach to substantially reduce carbon impact on major client projects. Considers materials, site locations, logistics, and construction methods to reduce/eliminate a project's impact on the natural environment. Embedding net zero, resilience, and social value targets into client account management. Revenue from projects with ESG-embedded service up more than 4x in fiscal 2023.

sustainability_report p.28

Biodiversity statement and Terra Carta SealData confidence — high

In fiscal 2023 AECOM formalized a biodiversity statement signed by CEO Troy Rudd, including commitments to support the Global Biodiversity Framework of reversing nature loss by 2030. Awarded the Terra Carta Seal by the Sustainable Markets Initiative in fiscal 2023.

sustainability_report p.28

Equality 100 Award (HRC) sixth consecutive yearData confidence — high

Earned the Equality 100 Award, HRC Foundation's top score on LGBTQ+ workplace equality assessment for the sixth consecutive year.

sustainability_report p.7

Achieved 20% women in leadershipaffects workforce female pctData confidence — high

In fiscal 2023, achieved near-term target of 20% women in senior leadership roles; continuing to progress against 35% women overall workforce target.

sustainability_report p.5

World's Most Ethical Companies (Ethisphere) seventh yearData confidence — high

Named by Ethisphere one of 2023 World's Most Ethical Companies for the seventh year.

sustainability_report p.7

Primary: Office real estate energy efficiency and Freedom to GrowData confidence — high

Increasing the efficiency of office spaces, extending sustainability guidelines for future office refurbishments and relocations. FY2023 restructuring included $96.8M in real estate cost actions aligning portfolio with Freedom to Grow flexible work model (3 days/week in office).

sustainability_report p.29

UN Global Compact signatoryData confidence — high

AECOM is a signatory to the U.N. Global Compact and adheres to International Bill of Rights and ILO Declaration of Fundamental Principles and Rights at Work.

sustainability_report p.35

2022· 17 events

SBTi-validated net zero by 2040 targetaffects net zero target yearData confidence — high

In fiscal 2022, AECOM became one of the first companies globally to set net zero emissions reduction targets validated by the Science Based Targets initiative (SBTi). Targets: 60% reduction in Scope 1&2 by 2030, 50% Scope 3 by 2030, and 90% all emissions by 2040 (vs 2018 baseline).

sustainability_report p.29

SBTi-validated net zero by 2040 target setaffects net zero target yearData confidence — high

AECOM became one of the first companies to have new net zero targets approved by SBTi in April 2022 — near-term 50% reduction in total Scope 1, 2 and 3 by 2030, and 90% reduction in total emissions by 2040 (science-based net zero).

sustainability_report p.3

MSCI ESG Rating upgraded A→AA; Sustainalytics 31→26Data confidence — high

Sustainalytics upgraded ESG rating from 31 to 26 (lower risk); MSCI improved from A to AA in February 2022.

sustainability_report p.6

Primary: Fleet electrificationData confidence — high

Developing a roadmap to transition fleet vehicles to electric, including installing EV charging infrastructure at owned offices. As part of consolidating real estate, prioritising leased offices with EV chargers.

sustainability_report p.18

Exited Russian marketData confidence — high

In response to Russia's invasion of Ukraine, AECOM exited the Russian market.

sustainability_report p.21

Exit of Russia operationsData confidence — high

In March 2022, the Company substantially completed exit of all business operations in Russia. Restructuring expenses of $69.1M in FY22 related to this exit.

sustainability_report p.34

Dependent: Supplier engagement on supply chain emissionsData confidence — high

Acknowledging the majority of emissions are in supply chain (~96% per FY21 inventory), engaging most significant suppliers to understand their decarbonisation roadmaps and tracking progress. Sustainable Procurement Policy embeds emissions reduction in supplier onboarding. Supplier Engagement Strategy launched to develop carbon-reduction targets in partnership with suppliers.

sustainability_report p.18

In-house nature-based solution projects + TSVCM-aligned offsetsData confidence — high

AECOM has initiated work on its own in-house nature-based solution projects for carbon sequestration. To maintain operational net zero, AECOM retires carbon credits to offset remaining Scope 1 and 2 emissions, with each credit aligned to the Taskforce on Scaling Voluntary Carbon Markets (TSVCM) Core Carbon Principles overseen by the Integrity Council for the Voluntary Carbon Markets. Science-based net zero by 2040 emphasises decarbonisation over offsets, with residual emissions neutralised through offsetting.

sustainability_report p.17

Dependent: ScopeX™ client project carbon reductionData confidence — high

ScopeX™ is AECOM's platform to reduce carbon across planning, design and construction projects, targeting at least 50% carbon reduction (embodied + operational) versus industry norms on major projects. AECOM estimates ScopeX™ has capability to design out at least 84 million tons of CO2 from the built environment per year — addressing client-side / value-chain emissions enabled by AECOM's services.

sustainability_report p.32

Workforce gender targets: 20% senior leadership, 35% overallData confidence — high

Committed to ensuring women comprise at least 20% of senior leadership roles and at least 35% of overall workforce in near term; currently 18% and 33% respectively. Also implemented regional non-gender diversity KPIs.

sustainability_report p.6

Sold oil and gas construction businessData confidence — high

On January 28, 2022, the Company completed the sale of its oil and gas construction business to affiliates of Graham Maintenance Services LP. Part of strategic shift away from self-perform at-risk construction.

sustainability_report p.66

Aligned with UN SDGs 1, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16Data confidence — high

Report explicitly maps priority areas to the UN Sustainable Development Goals: No Poverty (1), Good Health (3), Quality Education (4), Clean Water (6), Affordable Clean Energy (7), Decent Work (8), Industry/Innovation/Infrastructure (9), Reduced Inequalities (10), Sustainable Cities (11), Responsible Consumption (12), Climate Action (13), Life Under Water (14), Life on Land (15), Peace/Justice (16).

sustainability_report p.36

SBTi-validated 2040 Net Zero targetaffects net zero target yearData confidence — high

In 2022 AECOM set an ambitious 2040 net zero target validated by SBTi, including 60% reduction in Scope 1 & 2 by 2030, 50% reduction in Scope 3 by 2030, and 90% reduction in all emissions by 2040 vs FY18 baseline.

sustainability_report p.28

SBTi-validated 2040 net zero targetaffects net zero target yearData confidence — high

AECOM set an ambitious 2040 net zero target in 2022 that was validated by the Science Based Targets initiative (SBTi), making AECOM one of the first companies globally to achieve this. Targets include 60% reduction in Scope 1 and 2 by 2030, 50% reduction in Scope 3 by 2030, and 90% reduction in all emissions by 2040, all vs 2018 baseline. Remaining emissions in 2040 to be offset through high quality carbon removal projects.

sustainability_report p.28

Sale of oil and gas construction businessData confidence — high

Completed sale of oil and gas construction business to affiliates of Graham Maintenance Services LP for $14 million. Part of strategic exit from self-perform at-risk construction.

sustainability_report p.34

SBTi-validated net zero by 2040affects net zero target yearData confidence — high

In fiscal 2022, AECOM was among the first companies globally to have net zero emissions reduction targets approved by the Science Based Targets Initiative (SBTi). Targets include 60% reduction in Scope 1+2 by 2030, 50% reduction in Scope 3 by 2030, and 90% reduction in all emissions by 2040 (vs 2018 baseline).

sustainability_report p.29

50% business travel reduction targetaffects scope 3 business travelData confidence — high

Implemented Travel with Purpose program to cut business travel by 50% from baseline as part of supply chain decarbonization plan.

sustainability_report p.3

2021· 19 events

Primary: Fleet decarbonisation to low/zero emission vehiclesData confidence — high

Decarbonizing all fleet vehicles is a stated commitment under the 2030 science-based net zero target. Includes improving efficiency of vehicles and investing in low or zero emissions vehicles over time.

sustainability_report p.11

Anti-Human Trafficking / Modern Slavery Policy maintainedData confidence — high

AECOM maintains a Human Rights Statement and an Anti-Human Trafficking Statement/Modern Slavery Policy as part of its underlying commitment to operating ethically.

sustainability_report p.29

Women in leadership and workforce targetsData confidence — high

Commitment to ensure women comprise at least 20% of senior leadership roles and at least 35% of overall workforce.

sustainability_report p.4

Dependent: Supply chain carbon reduction targetsData confidence — high

Partnering with supply chain to develop their own carbon reduction targets. Working hard to reduce supply chain emissions by improving accuracy of emissions data reporting, regularly collecting supplier emissions data and target information, and collaborating with suppliers to set leading targets. Environmental sustainability and ESG embedded into procurement processes. Supply chain accounts for vast majority (~96%) of footprint.

sustainability_report p.19

SDG alignment: 1, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16Data confidence — high

Reports alignment with UN Sustainable Development Goals including No Poverty (1), Good Health (3), Quality Education (4), Clean Water (6), Affordable Clean Energy (7), Decent Work (8), Industry & Innovation (9), Reduced Inequalities (10), Sustainable Cities (11), Responsible Consumption (12), Climate Change (13), Life Under Water (14), Life On Land (15), Peace & Strong Institutions (16).

sustainability_report p.31

Nature-based offsets via own NCL-style projectsData confidence — high

AECOM commits to offsetting residual carbon by creating its own nature-based solution projects. Flagship example is the Natural Capital Laboratory (NCL) in the Scottish Highlands, established 2019, restoring 100 acres of forest and reintroducing lost species over 5 years. Framing is offset/neutralisation rather than durable engineered removals (no DAC/BECCS mentioned).

sustainability_report p.11

Primary: Office energy efficiency (Fast Forward Global Guidelines)Data confidence — high

Advancing environmentally sustainable offices through Fast Forward Global Guidelines: site selection considering energy use and sourcing, high-efficiency electrical equipment including LED and motion detector lighting, solar panels, and high-efficiency HVAC units. Multiple energy efficiency initiatives launched globally to reduce facility energy consumption.

sustainability_report p.16

Achieved operational net zero in FY21Data confidence — high

AECOM achieved operational net zero (Scope 1 and 2) in fiscal 2021, with FY18 Scope 1+2 reduced by 47% via travel and real estate initiatives. Maintained via carbon credit retirement aligned with TSVCM Core Carbon Principles.

sustainability_report p.3

Primary: Business travel reduction via Travel with PurposeData confidence — high

Implemented Travel with Purpose program to cut business travel by 50%, prioritising digital tools instead of travelling and, when necessary, sustainable modes (walking, cycling, public transport, zero-emissions vehicles). Business travel emissions fell from 158,182 tCO2e in FY18 to 32,919 tCO2e in FY21.

sustainability_report p.17

Primary: Office energy efficiency and real estate consolidationData confidence — high

Right-sizing office space, improving office energy efficiency, relocating to more efficient offices. Workplace of the Future and Freedom to Grow initiatives increased flexibility enabling further real estate consolidation. Sustainability guidelines designed for future office refurbishments and re-locations.

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GHG inventory verified to ISO 14064-3:2019Data confidence — high

FY21 emissions data verified in accordance with ISO 14064-3:2019 against WRI GHG Protocol Corporate Accounting Standard and Corporate Value Chain (Scope 3) Standard.

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Signed The Climate Pledge (Amazon)Data confidence — high

AECOM became signatory to The Climate Pledge in 2021, committing to net zero carbon by 2040 with regular reporting, carbon elimination via Paris-aligned decarbonization, and credible offsets.

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100% renewable electricity in N. American offices, scaling globallyData confidence — high

AECOM achieved 100% renewable electricity usage in North American offices with plans to scale further. Office strategy prioritises relocating to more efficient offices and switching to renewable energy where possible, with Fast Forward Global Guidelines requiring site selection that considers renewable energy sourcing. Fleet decarbonisation roadmap includes EV charging infrastructure at owned offices.

sustainability_report p.9

Sustainable Legacies strategy launched - net zero by 2030affects net zero target yearData confidence — high

Launched April 2021. Commitments include operationally net-zero by end of 2021 and science-based net-zero across Scopes 1, 2, and 3 by 2030. AECOM was first engineering sector company to have SBTi-approved emission reduction targets.

sustainability_report p.7

Signatory to Amazon Climate Pledge (net zero by 2040)Data confidence — high

AECOM became a signatory to the Amazon Climate Pledge in 2021, committing to be net-zero carbon across business by 2040. Also co-founded the Pledge to Net-Zero for engineering sector.

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Primary: 50% reduction in business travelData confidence — high

Implementing a 50% reduction in business travel as a core Sustainable Legacies commitment. 'Travel with Purpose' guidance prioritises digital tools over physical travel; when travel is necessary, prioritises walking, cycling, public transport and zero emissions vehicles. In March 2020 all business travel was suspended due to COVID-19, with 90% of employees working remotely by Dec 2020.

sustainability_report p.4

Dependent: ScopeX™ - 50% carbon reduction on major client projectsData confidence — high

First-of-its-kind initiative to reduce carbon across the entire project life cycle. AECOM asks teams globally involved in all major projects to incorporate an ESG action plan that, if chosen by the client, will reduce carbon impacts by at least 50%. ScopeX considers materials, site locations, logistics, and construction methods. Stated as AECOM's biggest contribution to ending the climate emergency.

sustainability_report p.10

Switch offices and fleet to renewable energy tariffsData confidence — high

As part of science-based net zero by 2030, AECOM commits to decarbonizing all fleet vehicles and switching to renewable energy tariffs. Fast Forward Global Guidelines drive office sustainability through site selection and energy sourcing decisions, aiming to increase the amount of renewable energy used. AECOM is also supporting client renewable initiatives (e.g. NEOM 100% renewable city, ComEd microgrid in Bronzeville).

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Operational net zero achieved FY2021Data confidence — high

AECOM achieved operational net zero (Scopes 1 and 2 with offsets) beginning in fiscal 2021 and commits to maintaining operational net zero status annually.

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2020· 2 events

Scope 3 supply-chain methodology restated - passthrough costs excludedaffects scope 3 co2eData confidence — high

Following publication of FY20 Annual Report, AECOM reviewed supply chain spend data and excluded several spend categories associated with passthrough costs that have no emissions. Resulted in substantial reduction: Scope 3 went from 4,761,868 (TCFD table) to 2,550,319 tCO2e (restated). Baseline FY18 also rebaselined.

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Risk & Safety Committee reconstituted as Safety, Risk & Sustainability CommitteeData confidence — high

In November 2020, the Risk and Safety Committee of the Board was refocused to include oversight of sustainability matters, now the Safety, Risk and Sustainability Committee with direct oversight of ESG policies and programs.

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2018· 1 event

FY18 baseline restated downwardaffects scope 3 co2eData confidence — high

FY18 baseline restated to 2,740,962 tCO2e for Scope 3 and 138,025 tCO2e for Scope 1+2 to reflect exclusion of passthrough spend categories. Lower baseline could make targets easier — flagged as concerning by direction-of-change rules.

sustainability_report p.18