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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2018

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Summary of Related Parties Outstanding Balances of Receivables and Payables

Outstanding balances of receivables and payables in relations to transactions with related parties as at December 31, 2017 and 2018, are as follows:

				December 31, 2017
				Receivables												Payables
(In millions of Korean won)				Trade receivables				Loans				Other receivables				Other payables
Associates and joint ventures		K-REALTY CR REITs No.1		￦	778			￦	—			￦	33,800			￦	—
		MOS GS Co., Ltd.			17				—				—				392
		MOS Daegu Co., Ltd.			1				—				—				1,388
		MOS Chungcheong Co., Ltd.			1				—				290				1,827
		MOS Gangnam Co., Ltd.			6				—				1				287
		MOS GB Co., Ltd.			17				—				1				778
		MOS BS Co., Ltd.			34				—				1				46
		MOS Honam Co., Ltd.			2				—				1				384
		K Bank, Inc.			1,338				—				7,994				296
		NgeneBio			1				2,510				—				3
		Others			54				—				1,281				2,135
		Total		￦	2,249			￦	2,510			￦	43,369			￦	7,536

				December 31, 2018
				Receivables								Payables
(In millions of Korean won)				Trade receivables				Other receivables				Trade payables				Other payables
Associates and joint ventures		K-REALTY CR REITs No.1		￦	674			￦	30,910			￦	—			￦	—
		K Bank, Inc.			627				12,435				—				296
		Others			777				1,225				4				1,116
		Total		￦	2,078			￦	44,570			￦	4			￦	1,412

Summary of Significant Transactions With Related Parties

Significant transactions with related parties for the years ended December 31, 2016, 2017 and 2018, are as follows:

				2016
(In millions of Korean won)				Sales				Purchases2
Associates and joint ventures		KT Wibro Infra Co., Ltd.		￦	11			￦	391
		Smart Channel Co., Ltd.1			766				—
		K- Realty CR-REITs No.1			1,989				37,469
		MOS GS Co., Ltd.			663				17,361
		MOS Daegu Co., Ltd.			291				12,220
		MOS Chungcheong Co., Ltd.			408				13,469
		MOS Gangnam Co., Ltd.			412				15,797
		MOS GB Co., Ltd.			891				21,802
		MOS BS Co., Ltd.			441				15,346
		MOS Honam Co., Ltd.			418				14,389
		Others			1,719				29,422
		Total		￦	8,009			￦	177,666

1 The transactions for the year ended December 31, 2016, before Smart Channel Co., Ltd. was included in the consolidation scope.

2 Amounts include acquisition of primarily property and equipment.

				2017
(In millions of Korean won)				Sales				Purchases1
Associates and joint ventures		K- Realty CR-REITs No.1		￦	2,233			￦	35,532
		MOS GS Co., Ltd.			704				16,946
		MOS Daegu Co., Ltd.			335				8,514
		MOS Chungcheong Co., Ltd.			455				15,542
		MOS Gangnam Co., Ltd.			484				16,380
		MOS GB Co., Ltd.			987				21,651
		MOS BS Co., Ltd.			460				15,957
		MOS Honam Co., Ltd.			493				14,294
		K Bank, Inc.			29,939				59
		NgeneBio2			43				—
		Others			1,149				11,384
		Total		￦	37,282			￦	156,259

1 The amount includes acquisition of primarily property and equipment.

2 It is the amount after excluded from consolidation during the year.

				2018
(In millions of Korean won)				Sales				Purchases1
Associates and joint ventures		K- Realty CR-REITs No.1		￦	2,088			￦	31,984
		MOS GS Co., Ltd.2			493				12,023
		MOS Daegu Co., Ltd.2			229				8,775
		MOS Chungcheong Co., Ltd.2			540				9,159
		MOS Gangnam Co., Ltd.2			333				11,549
		MOS GB Co., Ltd.2			1,378				16,519
		MOS BS Co., Ltd.2			324				11,193
		MOS Honam Co., Ltd.2			331				10,499
		K Bank, Inc.			15,705				7,004
		NgeneBio3			3				—
		Others			2,888				9,547
		Total		￦	24,312			￦	128,252

1 Amounts include acquisition of primarily property and equipment.

2 It is the amount before excluded from consolidation during the year.

3 It is the amount before excluded from associates during the year

Summary of Key Management Compensation

Key management compensation for the years ended December 31, 2016, 2017 and 2018, consists of:

(In millions of Korean won)		2016				2017				2018
Salaries and other short-term benefits		￦	2,629			￦	2,879			￦	2,762
Post-employment benefits			381				311				751
Stock-based compensation			1,237				1,331				878
Total		￦	4,247			￦	4,521			￦	4,391

Summary of Fund Transactions With Related Parties

Fund transactions with related parties for the years ended December 31, 2017 and 2018, are as follows:

(In millions of Korean won)		2017
		Equity contributions in cash				Dividend income
Associates and joint ventures
PT. Mitra Transaksi Indonesia		￦	5,194			￦	—
KT-IBKC future investment fund 1			7,500				—
CHAMP IT Co., Ltd.			750				—
Korea Electronic Vehicle Charging Service			864				—
Gyeonggi-KT Yoojin Superman Fund			1,000				—
K-REALTY CR REIT 1			—				5,392
K Bank, Inc.			26,543				—
Korea Information & Technology Investment Fund			—				739
MOS GS Co., Ltd.			—				12
MOS Daegu Co., Ltd.			—				12
MOS Chungcheong Co., Ltd.			—				12
MOS Gangnam Co., Ltd.			—				10
MOS GB Co., Ltd.			—				15
MOS BS Co., Ltd.			—				10
MOS Honam Co., Ltd.			—				10
Total		￦	41,851			￦	6,212

(In millions of Korean won)		2018
		Equity contributions in cash and others				Dividend income
Associates and joint ventures
PHI Healthcare Inc. (HooH Healthcare Inc.)		￦	1,000			￦	—
KT-CKP New Media Investment Fund			(1,229	)			—
PT. Mitra Transaksi Indonesia1			1,567				—
Gyeonggi-KT Yoojin Superman Fund			1,000				—
KT-DSC creative economy youth start-up investment fund			(1,800	)			—
KT-IBKC future investment fund 1			(1,050	)			—
Korea Electronic Vehicle Charging Service			168				—
K Bank, Inc.			26,725				—
GE Premier 1st Corporate Restructuring Real Estate Investment Trust Company			(3,423	)			—
JB Emerging Market Specialty Investment Private Equity Trust No.1			3,960				202
K-REALTY CR REIT 1			—				8,932
Korea Information & Technology Investment Fund			—				1,842
MOS GS Co., Ltd.2			(147	)			8
MOS Daegu Co., Ltd.2			(147	)			8
MOS Chungcheong Co., Ltd.2			(153	)			8
MOS Gangnam Co., Ltd.2			(180	)			10
MOS GB Co., Ltd.2			(203	)			12
MOS BS Co., Ltd.2			(183	)			10
MOS Honam Co., Ltd.2			(206	)			10
Daiwon Broadcasting Co., Ltd.			—				85
Boston Global Film & Contents Fund L.P.			(986	)			—
Gyeonggi-KT Green Growth Fund			—				19
Total		￦	24,713			￦	11,146

1 It is the amount before reclassification to assets held for sale.

2 It is the amount before included in consolidation during the year.

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The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]

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