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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2024

Texts Block [Abstract]

Computation of Earnings Per Share


		Years Ended December 31
		2022												2023												2024
						(NT$)												(NT$)												(NT$)

Basic EPS						$	38.29											$	32.85											$	44.68

Diluted EPS						$	38.29											$	32.85											$	44.67

EPS is computed as follows:


		Years Ended December 31
		2022												2023												2024
						(NT$)												(NT$)												(NT$)

Basic EPS
Net income available to common shareholders of the parent (in millions)						$	992,923.4											$	851,740.0											$	1,158,380.2


Weighted average number of common shares outstanding used in the computation of basic EPS (in millions)							25,929.2												25,929.2												25,927.6


Basic EPS (in dollars)						$	38.29											$	32.85											$	44.68


Diluted EPS
Net income available to common shareholders of the parent (in millions)						$	992,923.4											$	851,740.0											$	1,158,380.2


Weighted average number of common shares outstanding used in the computation of basic EPS (in millions)							25,929.2												25,929.2												25,927.6
Effects of all dilutive potential common shares (in millions)							0.2												0.1												2.1

Weighted average number of common shares used in the computation of diluted EPS (in millions)							25,929.4												25,929.3												25,929.7


Diluted EPS (in dollars)						$	38.29											$	32.85											$	44.67