Earnings Per Share

12 Months Ended

Sep. 30, 2025

Basic earnings per share (EPS) excludes dilution and is computed by dividing net income attributable to AECOM by the weighted average number of common shares outstanding for the period. Diluted EPS is computed by dividing net income attributable to AECOM by the weighted average number of common shares outstanding and potential common shares for the period. The Company includes as potential common shares the weighted average dilutive effects of equity awards using the treasury stock method. For the periods presented, equity awards excluded from the calculation of potential common shares were not significant.

The following table sets forth a reconciliation of the denominators of basic and diluted earnings per share:


	Fiscal Year Ended
	September 30, 2025	September 30, 2024	September 30, 2023

	(in millions)
Denominator for basic earnings per share	132.4	135.5	138.6
Potential common shares	0.9	1.0	1.5
Denominator for diluted earnings per share	133.3	136.5	140.1