Investor Presentaiton

As a Professional Services Business, AECOM Is Poised to Thrive Attractive Exposure to Key End Markets 28% Balanced Geographic Exposure Diverse Funding Sources Deep Technical Expertise Lower-Risk Business Model ■ Engineers 3% ■Transportation U.S. 6% 8% ■ Private ■Non-U.S. ■ Program 9% 20% ■Facilities 19% Europe, Governments 36% Middle East & 24% 41% 44% Environment/ 53% India State & Local 10% Managers ■Consultants / Planners Cost-Plus Design Fixed-Price Design 37% 54% Construction Water Governments 22% 13% Asia Pacific 33% New Energy 24% 16% Federal U.S. Canada Government Scientists Design, Digital Management & Other Focused on our core higher-returning and lower-risk businesses Leader in key transportation, water and environment markets and ideally positioned to advise clients on their sustainable and resilience priorities Strengthened financial profile with transformed balance sheet and returning capital to shareholders Capitalizing on market leading positions, substantial backlog and ongoing continuous improvement initiatives to drive long- term profitable growth All financial information is presented as a percentage of TTM Segment ³ NSR1 (as of Q2'23). Page 17 aecom.com

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