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Derivative Currency swap forward contract List (Details) - 12 months ended Dec. 31, 2019 - Currency forward contracts
€ in Thousands, $ in Thousands, ₩ in Millions
KRW (₩)
USD ($)
EUR (€)
Disclosure of Derivative Currency forward contract detail list [Line Items]      
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Apr. 10, 2014 Apr. 10, 2014 Apr. 10, 2014
Matrurity date Jul. 12, 2021 Jul. 12, 2021 Jul. 12, 2021
Contract Amount Pay ₩ 55,120    
Contract Amount Receive | $   $ 52,000  
Contract exchange rate 1,060 1,060 1,060
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Apr. 28, 2014 Apr. 28, 2014 Apr. 28, 2014
Matrurity date Jul. 12, 2021 Jul. 12, 2021 Jul. 12, 2021
Contract Amount Pay ₩ 50,784    
Contract Amount Receive | $   $ 48,000  
Contract exchange rate 1,058 1,058 1,058
Derivative Counterparty Bank of America Bank of America Bank of America
Contract date Apr. 29, 2014 Apr. 29, 2014 Apr. 29, 2014
Matrurity date Jul. 12, 2021 Jul. 12, 2021 Jul. 12, 2021
Contract Amount Pay ₩ 105,400    
Contract Amount Receive | $   $ 100,000  
Contract exchange rate 1,054 1,054 1,054
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date May 09, 2014 May 09, 2014 May 09, 2014
Matrurity date Jul. 12, 2021 Jul. 12, 2021 Jul. 12, 2021
Contract Amount Pay ₩ 104,600    
Contract Amount Receive | $   $ 100,000  
Contract exchange rate 1,046 1,046 1,046
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Dec. 22, 2017 Dec. 22, 2017 Dec. 22, 2017
Matrurity date Jul. 12, 2021 Jul. 12, 2021 Jul. 12, 2021
Contract Amount Pay ₩ 105,079    
Contract Amount Receive | $   $ 100,000  
Contract exchange rate 1,050.79 1,050.79 1,050.79
Derivative Counterparty Korea Development Bank Korea Development Bank Korea Development Bank
Contract date Dec. 27, 2017 Dec. 27, 2017 Dec. 27, 2017
Matrurity date Jul. 12, 2021 Jul. 12, 2021 Jul. 12, 2021
Contract Amount Pay ₩ 104,849    
Contract Amount Receive | $   $ 100,000  
Contract exchange rate 1,048.49 1,048.49 1,048.49
Derivative Counterparty Citibank Citibank Citibank
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Jan. 23, 2020 Jan. 23, 2020 Jan. 23, 2020
Contract Amount Pay ₩ 12,943    
Contract Amount Receive | $   $ 11,167  
Contract exchange rate 1,159.1 1,159.1 1,159.1
Derivative Counterparty Standard Chartered Standard Chartered Standard Chartered
Contract date Dec. 17, 2019 Dec. 17, 2019 Dec. 17, 2019
Matrurity date Jan. 02, 2020 Jan. 02, 2020 Jan. 02, 2020
Contract Amount Pay ₩ 73,871    
Contract Amount Receive | €     € 56,800
Contract exchange rate 1,300.57 1,300.57 1,300.57
Derivative Counterparty Nonghyup Bank Nonghyup Bank Nonghyup Bank
Contract date Dec. 02, 2019 Dec. 02, 2019 Dec. 02, 2019
Matrurity date Jan. 03, 2020 Jan. 03, 2020 Jan. 03, 2020
Contract Amount Pay ₩ 9,436    
Contract Amount Receive | $   $ 8,000  
Contract exchange rate 1,179.55 1,179.55 1,179.55
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 03, 2019 Dec. 03, 2019 Dec. 03, 2019
Matrurity date Jan. 06, 2020 Jan. 06, 2020 Jan. 06, 2020
Contract Amount Pay ₩ 9,482    
Contract Amount Receive | $   $ 8,000  
Contract exchange rate 1,185.25 1,185.25 1,185.25
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Dec. 04, 2019 Dec. 04, 2019 Dec. 04, 2019
Matrurity date Jan. 07, 2020 Jan. 07, 2020 Jan. 07, 2020
Contract Amount Pay ₩ 8,350    
Contract Amount Receive | $   $ 7,000  
Contract exchange rate 1,192.82 1,192.82 1,192.82
Derivative Counterparty Kookmin Bank Kookmin Bank Kookmin Bank
Contract date Dec. 05, 2019 Dec. 05, 2019 Dec. 05, 2019
Matrurity date Jan. 09, 2020 Jan. 09, 2020 Jan. 09, 2020
Contract Amount Pay ₩ 11,895    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,189.45 1,189.45 1,189.45
Derivative Counterparty CCB CCB CCB
Contract date Dec. 05, 2019 Dec. 05, 2019 Dec. 05, 2019
Matrurity date Jan. 09, 2020 Jan. 09, 2020 Jan. 09, 2020
Contract Amount Pay ₩ 11,895    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,189.5 1,189.5 1,189.5
Derivative Counterparty Standard Chartered Standard Chartered Standard Chartered
Contract date Dec. 06, 2019 Dec. 06, 2019 Dec. 06, 2019
Matrurity date Jan. 10, 2020 Jan. 10, 2020 Jan. 10, 2020
Contract Amount Pay ₩ 11,891    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,189.05 1,189.05 1,189.05
Derivative Counterparty Credit Agricole Credit Agricole Credit Agricole
Contract date Dec. 09, 2019 Dec. 09, 2019 Dec. 09, 2019
Matrurity date Jan. 13, 2020 Jan. 13, 2020 Jan. 13, 2020
Contract Amount Pay ₩ 11,885    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,188.47 1,188.47 1,188.47
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Dec. 10, 2019 Dec. 10, 2019 Dec. 10, 2019
Matrurity date Jan. 14, 2020 Jan. 14, 2020 Jan. 14, 2020
Contract Amount Pay ₩ 11,912    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,191.23 1,191.23 1,191.23
Derivative Counterparty Korea Development Bank Korea Development Bank Korea Development Bank
Contract date Dec. 11, 2019 Dec. 11, 2019 Dec. 11, 2019
Matrurity date Jan. 15, 2020 Jan. 15, 2020 Jan. 15, 2020
Contract Amount Pay ₩ 11,925    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,192.5 1,192.5 1,192.5
Derivative Counterparty Nonghyup Bank Nonghyup Bank Nonghyup Bank
Contract date Dec. 11, 2019 Dec. 11, 2019 Dec. 11, 2019
Matrurity date Jan. 15, 2020 Jan. 15, 2020 Jan. 15, 2020
Contract Amount Pay ₩ 5,962    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,192.45 1,192.45 1,192.45
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 11, 2019 Dec. 11, 2019 Dec. 11, 2019
Matrurity date Jan. 15, 2020 Jan. 15, 2020 Jan. 15, 2020
Contract Amount Pay ₩ 5,963    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,192.5 1,192.5 1,192.5
Derivative Counterparty CCB CCB CCB
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 7,118    
Contract Amount Receive | $   $ 6,000  
Contract exchange rate 1,186.35 1,186.35 1,186.35
Derivative Counterparty Morgan Stanley Morgan Stanley Morgan Stanley
Contract date Dec. 16, 2019 Dec. 16, 2019 Dec. 16, 2019
Matrurity date Jan. 17, 2020 Jan. 17, 2020 Jan. 17, 2020
Contract Amount Pay ₩ 5,854    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,170.85 1,170.85 1,170.85
Derivative Counterparty Woori Bank Woori Bank Woori Bank
Contract date Dec. 19, 2019 Dec. 19, 2019 Dec. 19, 2019
Matrurity date Jan. 22, 2020 Jan. 22, 2020 Jan. 22, 2020
Contract Amount Pay ₩ 11,636    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,163.55 1,163.55 1,163.55
Derivative Counterparty Shinhan Bank Shinhan Bank Shinhan Bank
Contract date Dec. 19, 2019 Dec. 19, 2019 Dec. 19, 2019
Matrurity date Jan. 22, 2020 Jan. 22, 2020 Jan. 22, 2020
Contract Amount Pay ₩ 11,635    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,163.45 1,163.45 1,163.45
Derivative Counterparty CCB CCB CCB
Contract date Dec. 27, 2019 Dec. 27, 2019 Dec. 27, 2019
Matrurity date Jan. 31, 2020 Jan. 31, 2020 Jan. 31, 2020
Contract Amount Pay ₩ 11,597    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,159.65 1,159.65 1,159.65
Derivative Counterparty Kookmin Bank Kookmin Bank Kookmin Bank
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Feb. 03, 2020 Feb. 03, 2020 Feb. 03, 2020
Contract Amount Pay ₩ 5,786    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,157.2 1,157.2 1,157.2
Derivative Counterparty Shinhan Bank Shinhan Bank Shinhan Bank
Contract date Dec. 18, 2019 Dec. 18, 2019 Dec. 18, 2019
Matrurity date Jan. 07, 2020 Jan. 07, 2020 Jan. 07, 2020
Contract Amount Pay ₩ 9,901    
Contract Amount Receive | $   $ 8,500  
Contract exchange rate 1,164.86 1,164.86 1,164.86
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Dec. 13, 2019 Dec. 13, 2019 Dec. 13, 2019
Matrurity date Jan. 07, 2020 Jan. 07, 2020 Jan. 07, 2020
Contract Amount Pay ₩ 4,678    
Contract Amount Receive | $   $ 4,000  
Contract exchange rate 1,169.45 1,169.45 1,169.45
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Dec. 20, 2019 Dec. 20, 2019 Dec. 20, 2019
Matrurity date Jan. 07, 2020 Jan. 07, 2020 Jan. 07, 2020
Contract Amount Pay ₩ 8,136    
Contract Amount Receive | $   $ 7,000  
Contract exchange rate 1,162.23 1,162.23 1,162.23
Derivative Counterparty BNP Paribas BNP Paribas BNP Paribas
Contract date Dec. 27, 2019 Dec. 27, 2019 Dec. 27, 2019
Matrurity date Jan. 13, 2020 Jan. 13, 2020 Jan. 13, 2020
Contract Amount Pay ₩ 3,480    
Contract Amount Receive | $   $ 3,000  
Contract exchange rate 1,160.1 1,160.1 1,160.1
Derivative Counterparty Societe Generale Societe Generale Societe Generale
Contract date Dec. 27, 2019 Dec. 27, 2019 Dec. 27, 2019
Matrurity date Jan. 13, 2020 Jan. 13, 2020 Jan. 13, 2020
Contract Amount Pay ₩ 8,701    
Contract Amount Receive | $   $ 7,500  
Contract exchange rate 1,160.1 1,160.1 1,160.1
Derivative Counterparty Korea Development Bank Korea Development Bank Korea Development Bank
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Jan. 23, 2020 Jan. 23, 2020 Jan. 23, 2020
Contract Amount Pay ₩ 4,630    
Contract Amount Receive | $   $ 4,000  
Contract exchange rate 1,157.4 1,157.4 1,157.4
Derivative Counterparty BNP Paribas BNP Paribas BNP Paribas
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 4,739    
Contract Amount Receive | $   $ 4,000  
Contract exchange rate 1,184.85 1,184.85 1,184.85
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 3,558    
Contract Amount Receive | $   $ 3,000  
Contract exchange rate 1,186 1,186 1,186
Derivative Counterparty MUFG MUFG MUFG
Contract date Dec. 17, 2019 Dec. 17, 2019 Dec. 17, 2019
Matrurity date Jan. 21, 2020 Jan. 21, 2020 Jan. 21, 2020
Contract Amount Pay ₩ 5,823    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,164.6 1,164.6 1,164.6
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 17, 2019 Dec. 17, 2019 Dec. 17, 2019
Matrurity date Jan. 21, 2020 Jan. 21, 2020 Jan. 21, 2020
Contract Amount Pay ₩ 5,824    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,164.7 1,164.7 1,164.7
Derivative Counterparty BNP Paribas BNP Paribas BNP Paribas
Contract date Dec. 20, 2019 Dec. 20, 2019 Dec. 20, 2019
Matrurity date Jan. 22, 2020 Jan. 22, 2020 Jan. 22, 2020
Contract Amount Pay ₩ 2,290    
Contract Amount Receive | $   $ 1,975  
Contract exchange rate 1,159.48 1,159.48 1,159.48
Derivative Counterparty Nonghyup Bank Nonghyup Bank Nonghyup Bank
Contract date Dec. 20, 2019 Dec. 20, 2019 Dec. 20, 2019
Matrurity date Jan. 22, 2020 Jan. 22, 2020 Jan. 22, 2020
Contract Amount Pay ₩ 11,605    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,160.5 1,160.5 1,160.5
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Feb. 03, 2020 Feb. 03, 2020 Feb. 03, 2020
Contract Amount Pay ₩ 5,778    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,155.65 1,155.65 1,155.65
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Feb. 03, 2020 Feb. 03, 2020 Feb. 03, 2020
Contract Amount Pay ₩ 5,777    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,155.3 1,155.3 1,155.3
Derivative Counterparty HSBC HSBC HSBC
Contract date Dec. 13, 2019 Dec. 13, 2019 Dec. 13, 2019
Matrurity date Sep. 10, 2020 Sep. 10, 2020 Sep. 10, 2020
Contract Amount Pay ₩ 46,580    
Contract Amount Receive | $   $ 40,000  
Contract exchange rate 1,164.5 1,164.5 1,164.5
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 13, 2019 Dec. 13, 2019 Dec. 13, 2019
Matrurity date Sep. 10, 2020 Sep. 10, 2020 Sep. 10, 2020
Contract Amount Pay ₩ 34,959    
Contract Amount Receive | $   $ 30,000  
Contract exchange rate 1,165.3 1,165.3 1,165.3
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 16, 2019 Dec. 16, 2019 Dec. 16, 2019
Matrurity date Dec. 03, 2020 Dec. 03, 2020 Dec. 03, 2020
Contract Amount Pay ₩ 11,657    
Contract Amount Receive | $   $ 10,000  
Contract exchange rate 1,165.7 1,165.7 1,165.7
Derivative Counterparty Nonghyup Bank Nonghyup Bank Nonghyup Bank
Contract date Dec. 16, 2019 Dec. 16, 2019 Dec. 16, 2019
Matrurity date Dec. 03, 2020 Dec. 03, 2020 Dec. 03, 2020
Contract Amount Pay ₩ 23,324    
Contract Amount Receive | $   $ 20,000  
Contract exchange rate 1,166.2 1,166.2 1,166.2
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 17, 2019 Dec. 17, 2019 Dec. 17, 2019
Matrurity date Jan. 10, 2020 Jan. 10, 2020 Jan. 10, 2020
Contract Amount Pay ₩ 10,537    
Contract Amount Receive | $   $ 9,000  
Contract exchange rate 1,170.8 1,170.8 1,170.8
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 19, 2019 Dec. 19, 2019 Dec. 19, 2019
Matrurity date Jan. 13, 2020 Jan. 13, 2020 Jan. 13, 2020
Contract Amount Pay ₩ 9,314    
Contract Amount Receive | $   $ 8,000  
Contract exchange rate 1,164.3 1,164.3 1,164.3
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 24, 2019 Dec. 24, 2019 Dec. 24, 2019
Matrurity date Jan. 04, 2020 Jan. 04, 2020 Jan. 04, 2020
Contract Amount Pay ₩ 5,228    
Contract Amount Receive | $   $ 4,500  
Contract exchange rate 1,161.85 1,161.85 1,161.85
Derivative Counterparty HSBC HSBC HSBC
Contract date Dec. 26, 2019 Dec. 26, 2019 Dec. 26, 2019
Matrurity date Jan. 23, 2020 Jan. 23, 2020 Jan. 23, 2020
Contract Amount Pay ₩ 10,443    
Contract Amount Receive | $   $ 9,000  
Contract exchange rate 1,160.3 1,160.3 1,160.3
Derivative Counterparty Mizuho Bank Mizuho Bank Mizuho Bank
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Jan. 23, 2020 Jan. 23, 2020 Jan. 23, 2020
Contract Amount Pay ₩ 4,624    
Contract Amount Receive | $   $ 4,000  
Contract exchange rate 1,155.9 1,155.9 1,155.9
Derivative Counterparty Standard Chartered Standard Chartered Standard Chartered
Contract date Dec. 03, 2019 Dec. 03, 2019 Dec. 03, 2019
Matrurity date Jan. 06, 2020 Jan. 06, 2020 Jan. 06, 2020
Contract Amount Pay ₩ 315    
Contract Amount Receive | $   $ 266  
Contract exchange rate 1,186.05 1,186.05 1,186.05
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 06, 2019 Dec. 06, 2019 Dec. 06, 2019
Matrurity date Jan. 10, 2020 Jan. 10, 2020 Jan. 10, 2020
Contract Amount Pay ₩ 4,393    
Contract Amount Receive | $   $ 3,700  
Contract exchange rate 1,187.35 1,187.35 1,187.35
Derivative Counterparty Credit Agricole Credit Agricole Credit Agricole
Contract date Dec. 06, 2019 Dec. 06, 2019 Dec. 06, 2019
Matrurity date Jan. 10, 2020 Jan. 10, 2020 Jan. 10, 2020
Contract Amount Pay ₩ 4,761    
Contract Amount Receive | $   $ 4,000  
Contract exchange rate 1,190.35 1,190.35 1,190.35
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 10, 2019 Dec. 10, 2019 Dec. 10, 2019
Matrurity date Jan. 13, 2020 Jan. 13, 2020 Jan. 13, 2020
Contract Amount Pay ₩ 1,491    
Contract Amount Receive | $   $ 1,250  
Contract exchange rate 1,192.70 1,192.70 1,192.70
Derivative Counterparty Standard Chartered Standard Chartered Standard Chartered
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 8,303    
Contract Amount Receive | $   $ 7,000  
Contract exchange rate 1,186.10 1,186.10 1,186.10
Derivative Counterparty Credit Agricole Credit Agricole Credit Agricole
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 5,930    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,185.95 1,185.95 1,185.95
Derivative Counterparty Societe Generale Societe Generale Societe Generale
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 5,931    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,186.20 1,186.20 1,186.20
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 12, 2019 Dec. 12, 2019 Dec. 12, 2019
Matrurity date Jan. 16, 2020 Jan. 16, 2020 Jan. 16, 2020
Contract Amount Pay ₩ 6,525    
Contract Amount Receive | $   $ 5,500  
Contract exchange rate 1,186.30 1,186.30 1,186.30
Derivative Counterparty Standard Chartered Standard Chartered Standard Chartered
Contract date Dec. 16, 2019 Dec. 16, 2019 Dec. 16, 2019
Matrurity date Jan. 21, 2020 Jan. 21, 2020 Jan. 21, 2020
Contract Amount Pay ₩ 9,367    
Contract Amount Receive | $   $ 8,000  
Contract exchange rate 1,170.90 1,170.90 1,170.90
Derivative Counterparty Nova Scotia Nova Scotia Nova Scotia
Contract date Dec. 17, 2019 Dec. 17, 2019 Dec. 17, 2019
Matrurity date Jan. 21, 2020 Jan. 21, 2020 Jan. 21, 2020
Contract Amount Pay ₩ 4,648    
Contract Amount Receive | $   $ 4,000  
Contract exchange rate 1,162.00 1,162.00 1,162.00
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Dec. 19, 2019 Dec. 19, 2019 Dec. 19, 2019
Matrurity date Jan. 23, 2020 Jan. 23, 2020 Jan. 23, 2020
Contract Amount Pay ₩ 6,055    
Contract Amount Receive | $   $ 5,200  
Contract exchange rate 1,164.40 1,164.40 1,164.40
Derivative Counterparty Woori Bank Woori Bank Woori Bank
Contract date Dec. 20, 2019 Dec. 20, 2019 Dec. 20, 2019
Matrurity date Jan. 28, 2020 Jan. 28, 2020 Jan. 28, 2020
Contract Amount Pay ₩ 9,414    
Contract Amount Receive | $   $ 8,100  
Contract exchange rate 1,162.20 1,162.20 1,162.20
Derivative Counterparty Shinhan Bank Shinhan Bank Shinhan Bank
Contract date Dec. 20, 2019 Dec. 20, 2019 Dec. 20, 2019
Matrurity date Jan. 28, 2020 Jan. 28, 2020 Jan. 28, 2020
Contract Amount Pay ₩ 4,939    
Contract Amount Receive | $   $ 4,250  
Contract exchange rate 1,162.15 1,162.15 1,162.15
Derivative Counterparty Shinhan Bank Shinhan Bank Shinhan Bank
Contract date Dec. 20, 2019 Dec. 20, 2019 Dec. 20, 2019
Matrurity date Jan. 28, 2020 Jan. 28, 2020 Jan. 28, 2020
Contract Amount Pay ₩ 5,806    
Contract Amount Receive | $   $ 5,000  
Contract exchange rate 1,161.25 1,161.25 1,161.25
Derivative Counterparty Shinhan Bank Shinhan Bank Shinhan Bank
Contract date Dec. 26, 2019 Dec. 26, 2019 Dec. 26, 2019
Matrurity date Jan. 30, 2020 Jan. 30, 2020 Jan. 30, 2020
Contract Amount Pay ₩ 7,539    
Contract Amount Receive | $   $ 6,500  
Contract exchange rate 1,159.85 1,159.85 1,159.85
Derivative Counterparty Woori Bank Woori Bank Woori Bank
Contract date Dec. 26, 2019 Dec. 26, 2019 Dec. 26, 2019
Matrurity date Jan. 30, 2020 Jan. 30, 2020 Jan. 30, 2020
Contract Amount Pay ₩ 4,060    
Contract Amount Receive | $   $ 3,500  
Contract exchange rate 1,159.90 1,159.90 1,159.90
Derivative Counterparty Shinhan Bank Shinhan Bank Shinhan Bank
Contract date Dec. 30, 2019 Dec. 30, 2019 Dec. 30, 2019
Matrurity date Feb. 03, 2020 Feb. 03, 2020 Feb. 03, 2020
Contract Amount Pay ₩ 4,049    
Contract Amount Receive | $   $ 3,500  
Contract exchange rate 1,156.80 1,156.80 1,156.80
Derivative Counterparty Hana Bank Hana Bank Hana Bank
Contract date Jul. 31, 2019 Jul. 31, 2019 Jul. 31, 2019
Matrurity date Jul. 14, 2020 Jul. 14, 2020 Jul. 14, 2020
Contract Amount Pay ₩ 4,993    
Contract Amount Receive | $   $ 4,257  
Contract exchange rate 1,173.00 1,173.00 1,173.00