Earnings (Loss) per Share Attributable to Owners of the Controlling Company (Tables)

12 Months Ended

Dec. 31, 2022

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Summary of Basic Earnings per Share

(a)Basic earnings (loss) per share for the years ended December 31, 2020, 2021 and 2022 are as follows:

(In won and number of shares)
	2020			2021		2022
Profit (loss) attributable to owners of the    Controlling Company for the year	₩	(94,852,991,844	)		1,186,182,126,952		(3,071,564,667,651	)
Weighted-average number of common stocks    outstanding		357,815,700			357,815,700		357,815,700
Basic earnings (loss) per share	₩	(265	)		3,315		(8,584	)

Summary of Diluted Earnings Per Share Explanatory

Diluted earnings per share for the year ended December 31, 2021 are determined as follows:

(In won and number of shares)
	2021
Profit attributable to owners of the Controlling Company	₩	1,186,182,126,952
Adjustments:
Interest expenses of convertible bond, net of income tax		11,382,390,353
Loss on fair value valuation of convertible bond, net of income tax		50,521,798,972
Diluted profit attributable to owners of the Controlling Company		1,248,086,316,277
Weighted-average number of common stocks outstanding, after adjustment		398,804,698
Diluted earnings per share	₩	3,130

Summary of Weighted Average Number of Common Stocks Outstanding after Adjustment Explanatory

Weighted-average number of common stocks outstanding, after adjustment, for measurement of diluted earnings per share is determined as follows:

(Number of shares)
	2021
Weighted-average number of common stocks outstanding	₩	357,815,700
Adjustment : Number of common stocks to be issued from conversion		40,988,998
Weighted-average number of common stocks outstanding, after adjustment	₩	398,804,698