Investor Presentaiton

Q2'23 Segment Results - International GAAP RESULTS: YoY Change TOTAL REVENUE $860 million +6% OPERATING INCOME $60 million +10% KEY PERFORMANCE INDICATORS (NON-GAAP): NET SERVICE REVENUE¹ $703 million +12% ADJ.² OPERATING INCOME $60 million +9% ADJ.² OPERATING MARGIN 8.6% +30 bps 3% Facilities 20% 14% ■Transportation Environment & Water 25% 38% 7% ■New Energy 17% ■U.K. & Ireland Australia-New Zealand 20% 17% 39% % of TTM Segment NSR1 (as of Q2'23) Page 9 I Hong Kong Middle East Continental Europe Other Second quarter NSR1 increased by 12% over the prior year and included growth in our largest and most profitable markets Delivered a 1.4 book-to-burn ratio6, which included strength across our markets Continue to progress on our goal of a double-digit margin in the International segment The adjusted² operating margin increased by 30 basis points to 8.6% We continue to prioritize investments in the highest returning markets aecom.com

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