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General Information (Tables) | 12 Months Ended
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Dec. 31, 2023
Text block [abstract] |
Summary of Consolidated Subsidiaries | (1) The consolidated subsidiaries as of December 31, 2022 and 2023, are as follows
|  |  |  |  |  | Controlling percentage ownership 1 (%) |  |
Subsidiary |  | Type of business |  | Location |  | December 31, 2022 |  | December 31, 2023 |  | Closing month
KT Linkus Co., Ltd. |  | Public telephone maintenance |  | Korea |  | 92.4% |  | 92.4% |  | December
KT Telecop Co., Ltd. |  | Security service |  | Korea |  | 86.8% |  | 86.8% |  | December
KT Alpha Co., Ltd. 5 |  | Data communication |  | Korea |  | 73.0% |  | 73.0% |  | December
KT Service Bukbu Co., Ltd |  | Opening services of fixed line |  | Korea |  | 67.3% |  | 67.3% |  | December
KT Service Nambu Co., Ltd. |  | Opening services of fixed line |  | Korea |  | 77.3% |  | 77.3% |  | December
KT Commerce Inc. |  | B2C, B2B service |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Strategic Investment Fund No.3 |  | Investment fund |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Strategic Investment Fund No.4 |  | Investment fund |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Strategic Investment Fund No.5 |  | Investment fund |  | Korea |  | 100.0% |  | 100.0% |  | December
BC-VP Strategic Investment Fund No.1 |  | Investment fund |  | Korea |  | 100.0% |  | 100.0% |  | December
BC Card Co., Ltd. |  | Credit card business |  | Korea |  | 69.5% |  | 69.5% |  | December
|  |  |  |  |  | Controlling percentage ownership 1 (%) |  |
Subsidiary |  | Type of business |  | Location |  | December 31, 2022 |  | December 31, 2023 |  | Closing month
VP Inc. 5 |  | Payment security service for credit card, others |  | Korea |  | 69.7% |  | 72.2% |  | December
H&C Network |  | Call center for financial sectors |  | Korea |  | 100.0% |  | 100.0% |  | December
BC Card China Co., Ltd. |  | Software development and data processing |  | China |  | 100.0% |  | 100.0% |  | December
INITECH Co., Ltd. 5 |  | Internet banking ASP and security solutions |  | Korea |  | 61.3% |  | 63.9% |  | December
Smartro Co., Ltd. |  | VAN (Value Added Network) business |  | Korea |  | 64.5% |  | 64.5% |  | December
KTDS Co., Ltd. 5 |  | System integration and maintenance |  | Korea |  | 95.6% |  | 91.6% |  | December
KT M&S Co., Ltd. |  | PCS distribution |  | Korea |  | 100.0% |  | 100.0% |  | December
GENIE Music Corporation 2 |  | Online music production and distribution |  | Korea |  | 36.0% |  | 36.0% |  | December
KT MOS Bukbu Co., Ltd. 5 |  | Telecommunication facility maintenance |  | Korea |  | 100.0% |  | 100.0% |  | December
KT MOS Nambu Co., Ltd. 5 |  | Telecommunication facility maintenance |  | Korea |  | 98.4% |  | 98.4% |  | December
KT Skylife 5 |  | Satellite TV |  | Korea |  | 50.2% |  | 50.6% |  | December
Skylife TV Co., Ltd. |  | TV contents provider |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Estate Inc. |  | Residential building development and supply |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Investment Management Inc. |  | Asset management, real estate and consulting services |  | Korea |  | 100.0% |  | 100.0% |  | December
NEXR Co., Ltd. |  | Cloud system implementation |  | Korea |  | 100.0% |  | 100.0% |  | December
KTGDH Co., Ltd. |  | Data center development and related service |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Sat Co., Ltd. |  | Satellite communication business |  | Korea |  | 100.0% |  | 100.0% |  | December
Nasmedia Co., Ltd. 2,5 |  | Solution provider and IPTV advertisement sales business |  | Korea |  | 44.0% |  | 44.1% |  | December
KT Sports Co., Ltd. |  | Management of sports teams |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Music Contents Fund No.2 |  | Music and contents investment business |  | Korea |  | 100.0% |  | 100.0% |  | December
KTCS Corporation 2,5 |  | Database and online information provider |  | Korea |  | 34.1% |  | 34.1% |  | December
KTIS Corporation 2,5 |  | Database and online information provider |  | Korea |  | 33.3% |  | 33.3% |  | December
KT M Mobile Co., Ltd. |  | Special category telecommunications operator and sales of communication device |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Investment Co., Ltd. |  | Financing business for new technology |  | Korea |  | 100.0% |  | 100.0% |  | December
PlayD Co., Ltd. |  | Advertising agency |  | Korea |  | 70.4% |  | 70.4% |  | December
Next Connect PFV |  | Residential building development and supply |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Rwanda Networks Ltd. |  | Network installation and management |  | Rwanda |  | 51.0% |  | 51.0% |  | December
AOS Ltd. |  | System integration and maintenance |  | Rwanda |  | 51.0% |  | 51.0% |  | December
KT Japan Co., Ltd. |  | Foreign investment business and local counter work |  | Japan |  | 100.0% |  | 100.0% |  | December
|  |  |  |  |  | Controlling percentage ownership 1 (%) |  |
Subsidiary |  | Type of business |  | Location |  | December 31, 2022 |  | December 31, 2023 |  | Closing month
East Telecom LLC |  | Wireless/fixed line internet business |  | Uzbekistan |  | 91.6% |  | 91.6% |  | December
KT America, Inc. |  | Foreign investment business and local counter work |  | USA |  | 100.0% |  | 100.0% |  | December
PT. BC Card Asia Pacific |  | Software development and supply |  | Indonesia |  | 99.9% |  | 99.9% |  | December
KT Hongkong Telecommunications Co., Ltd. |  | Fixed line telecommunication business |  | Hong Kong |  | 100.0% |  | 100.0% |  | December
Korea Telecom Singapore Pte. Ltd. |  | Foreign investment business and local counter work |  | Singapore |  | 100.0% |  | 100.0% |  | December
Texnoprosistem LLC |  | Fixed line internet business |  | Uzbekistan |  | 100.0% |  | 100.0% |  | December
Nasmedia Thailand Co., Ltd. |  | Internet advertising solution |  | Thailand |  | 99.9% |  | 99.9% |  | December
KT Huimangjieum |  | Manufacturing |  | Korea |  | 100.0% |  | 100.0% |  | December
K-REALTY RENTAL HOUSING REIT 3 |  | Residential building |  | Korea |  | 88.6% |  | 88.6% |  | December
Storywiz Co., Ltd. |  | Contents and software development and supply |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Engineering Co., Ltd. |  | Telecommunication facility construction and maintenance |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Studio Genie Co., Ltd. |  | Data communication service and data communication construction business |  | Korea |  | 90.9% |  | 90.9% |  | December
KHS Corporation |  | Operation and maintenance of facilities |  | Korea |  | 100.0% |  | 100.0% |  | December
Lolab Co., Ltd. |  | Truck transportation and trucking arrangement business |  | Korea |  | 79.8% |  | 79.8% |  | December
HCN Co., Ltd. |  | Cable television service |  | Korea |  | 100.0% |  | 100.0% |  | December
Millie Seojae 2 |  | Book contents service |  | Korea |  | 38.6% |  | 30.2% |  | December
KT ES Pte. Ltd. |  | Foreign investment business |  | Singapore |  | 57.6% |  | 57.6% |  | December
Epsilon Global Communications PTE. Ltd. |  | Network service industry |  | Singapore |  | 100.0% |  | 100.0% |  | December
Epsilon Telecommunications (SP) PTE. Ltd. |  | Fixed line telecommunication business |  | Singapore |  | 100.0% |  | 100.0% |  | December
Epsilon Telecommunications (US) PTE. Ltd. |  | Fixed line telecommunication business |  | Singapore |  | 100.0% |  | 100.0% |  | December
Epsilon Telecommunications Limited |  | Fixed line telecommunication business |  | UK |  | 100.0% |  | 100.0% |  | December
Epsilon Telecommunications (HK) Limited |  | Fixed line telecommunication business |  | Hong Kong |  | 100.0% |  | 100.0% |  | December
Epsilon US Inc. |  | Fixed line telecommunication business |  | USA |  | 100.0% |  | 100.0% |  | December
Epsilon Telecommunications (BG) EOOD |  | Employee support service |  | Bulgaria |  | 100.0% |  | 100.0% |  | December
Nasmedia-KT Alpha Future Growth Strategic Investment Fund |  | Investment fund |  | Korea |  | 100.0% |  | 100.0% |  | December
KT Strategic Investment Fund 6 |  | Investment fund |  | Korea |  | 100.0% |  | 100.0% |  | December
Altimedia Corporation |  | Software development and delivery |  | Korea |  | 100.0% |  | 100.0% |  | December
Altimidia B.V. (formerly Alticast B.V.) |  | Software development and delivery |  | Netherlands |  | 100.0% |  | 100.0% |  | December
|  |  |  |  |  | Controlling percentage ownership 1 (%) |  |
Subsidiary |  | Type of business |  | Location |  | December 31, 2022 |  | December 31, 2023 |  | Closing month
Altimidia Vietnam (formerly Alticast Company Limited) |  | Software development and delivery |  | Vietnam |  | 100.0% |  | 100.0 % |  | December
BCCARD VIETNAM LTD. |  | Software sales business |  | Vietnam |  | 100.0% |  | 100.0% |  | December
KTP SERVICES INC. |  | Fixed line telecommunication business |  | Philippines |  | 100.0% |  | 100.0% |  | December
KT RUS LLC |  | Foreign investment business |  | Russia |  | 100.0% |  | 100.0% |  | December
Hangang Real Estate Investment Trust No. 24 |  | Investment fund |  | Korea |  | 75.0% |  | 75.0% |  | December
KT DX Vietnam Company Limited |  | Software development |  | Vietnam |  | 100.0% |  | 100.0% |  | December
KT Cloud Co., Ltd. |  | Information and communications development |  | Korea |  | 100.0% |  | 92.7% |  | December
Pocheon Jeonggyori Development Co., Ltd. |  | Residential building development |  | Korea |  | 80.9% |  | 80.9% |  | December
PT CRANIUM ROYAL ADITAMA |  | Software development |  | Indonesia |  | 67.0% |  | 67.0% |  | December
Juice Inc. 3,5 |  | Online information provider/Software development and delivery |  | Korea |  | 41.2% |  | 42.6% |  | December
open cloud lab Co., Ltd (formerly SPARK AND ASSOCIATES INC.) |  | IT consulting service and Telecommunication equipment sales |  | Korea |  | 100.0% |  | 100.0% |  | December
KD Living, Inc. |  | Residential building management |  | Korea |  | — |  | 100.0% |  | December
KT HEALTHCARE VINA COMPANY LIMITED |  | Medical service |  | Vietnam |  | — |  | 100.0% |  | December
K-Realty Qualified Private Real Estate Investment Trust No. 1 4 |  | Real estate management |  | Korea |  | — |  | 6.5% |  | December
AQUA RETAIL VIETNAM COMPANY LIMITED |  | E-voucher issuance and trading business |  | Vietnam |  | — |  | 100.0% |  | December
K-Realty Qualified Private Real Estate Investment Trust No. 4 |  | Real estate management |  | Korea |  | — |  | 93.9% |  | December
1 | Sum of the interests owned by the Controlling Company and subsidiaries.
2 | Although the Controlling Company owns less than 50% interest in Nasmedia, Co., Ltd., KTCS Corporation and KTIS Corporation, Millie Seojae, and GENIE Music Corporation these entities are consolidated as the Controlling Company can exercise the majority of the voting rights in its decision-making process at all times considering voting patterns at previous shareholders’ meetings.
3 | Although the Controlling Company owns less than 50 % interest in, Juice Inc., this entity is consolidated as the Controlling Company holds the majority of the voting right based on an agreement with other investors.
4 | Although the Controlling Company owns less than 50% interest in K-Realty Qualified Private Real Estate Investment Trust No. 1, these entities are consolidated by comprehensively considering the criteria for determining control, such as ‘power’, ‘variable profit’, and ‘relationship between power and variable profit’, rather than simply judging by the interests owned by the company.
5 | The number of treasury stocks held by subsidiaries are deducted from the total number of shares when calculating the controlling percentage interest.
(2) Changes in Scope of Consolidation Subsidiaries newly included and excluded in the consolidation during the year ended December 31, 2023:
Changes |  | Location |  | Name of subsidiary |  | Reason
Included |  | Korea |  | KD Living, Inc. |  | Transferred 1
Included |  | Vietnam |  | KT HEALTHCARE VINA COMPANY LIMITED |  | Newly established
Included |  | Korea |  | K-Realty Qualified Private Real Estate Investment Trust No. 1 |  | Transferred 2
Included |  | Vietnam |  | AQUA RETAIL VIETNAM COMPANY LIMITED |  | Newly established
Included |  | Korea |  | K-Realty Qualified Private Real Estate Investment Trust No. 4 |  | Newly established
Excluded |  | United Arab Emirates |  | Epsilon M E A General Trading LLC |  | Liquidated
Excluded |  | Korea |  | Alpha DX Solution Co., Ltd. |  | Merged
Excluded |  | Korea |  | KT Strategic Investment Fund No.2 |  | Liquidated
Excluded |  | Korea |  | LS Marine Solution Co., Ltd. (formerly KT Submarine Co., Ltd.) |  | Excluded 3
Excluded |  | Korea |  | KT-Michigan Global Contents Fund |  | Liquidated
Excluded |  | Russia |  | KT Primorye IDC LLC |  | Liquidated
1 | The entity has been reclassified from a joint venture to a consolidated entity.
2 | Although the Controlling Company owns less than 50% interest in K-Realty Qualified Private Real Estate Investment Trust No. 1, these entities are consolidated by comprehensively considering the criteria for determining control, such as ‘power’, ‘variable profit’, and ‘relationship between power and variable profit’, rather than simply judging by the interests owned by the company.
3 | Due to the loss of control by the parent company, the entity has been reclassified from a subsidiary to an associate company.
| (3) | Summarized information for consolidated subsidiaries as at and for the years ended December 31, 2021, 2022 and 2023 is as follows
(In millions of Korean won) |  | December 31, 2021 3 |
|  | Total assets |  |  | Total liabilities |  |  | Operating revenues 3 |  |  | Profit (loss) for the year 3 |
KT Linkus Co., Ltd |  | ￦ | 54,219 |  |  | ￦ | 53,316 |  |  | ￦ | 81,434 |  |  | ￦ | (3,095 | )
KT Submarine Co., Ltd. |  |  | 110,390 |  |  |  | 10,736 |  |  |  | 31,374 |  |  |  | (3,183 | )
KT Telecop Co., Ltd. |  |  | 363,224 |  |  |  | 233,797 |  |  |  | 515,456 |  |  |  | 3,985 |
KT Alpha Co., Ltd. (KT Hitel Co., Ltd.) |  |  | 390,671 |  |  |  | 172,767 |  |  |  | 471,870 |  |  |  | (8,692 | )
KT Service Bukbu Inc. |  |  | 59,341 |  |  |  | 54,070 |  |  |  | 231,602 |  |  |  | 1,128 |
KT Service Nambu Inc. |  |  | 62,513 |  |  |  | 52,695 |  |  |  | 271,174 |  |  |  | 1,430 |
BC Card Co., Ltd. 1 |  |  | 3,933,427 |  |  |  | 2,481,004 |  |  |  | 3,580,970 |  |  |  | 120,308 |
H&C Network Co., Ltd. 1 |  |  | 88,616 |  |  |  | 4,993 |  |  |  | 227,604 |  |  |  | 11,995 |
Nasmedia Co., Ltd. 1 |  |  | 490,394 |  |  |  | 268,618 |  |  |  | 125,876 |  |  |  | 27,120 |
KTDS Co., Ltd. 1 |  |  | 341,358 |  |  |  | 199,831 |  |  |  | 632,899 |  |  |  | 21,464 |
KT M&S Co., Ltd. |  |  | 241,377 |  |  |  | 203,051 |  |  |  | 710,634 |  |  |  | 3,496 |
KT MOS Bukbu Co., Ltd. |  |  | 32,511 |  |  |  | 25,402 |  |  |  | 70,212 |  |  |  | 1,637 |
KT MOS Nambu Co., Ltd. |  |  | 36,741 |  |  |  | 26,053 |  |  |  | 71,940 |  |  |  | 2,016 |
KT Skylife Co., Ltd. 1 |  |  | 1,275,645 |  |  |  | 469,694 |  |  |  | 772,950 |  |  |  | 62,309 |
KT Estate Inc. 1 |  |  | 2,370,940 |  |  |  | 791,884 |  |  |  | 577,578 |  |  |  | 213,203 |
KTGDH Co., Ltd. |  |  | 11,464 |  |  |  | 1,560 |  |  |  | 4,423 |  |  |  | 553 |
KT Sat Inc. |  |  | 593,616 |  |  |  | 34,169 |  |  |  | 174,750 |  |  |  | 20,830 |
KT Sports Inc. |  |  | 29,524 |  |  |  | 19,740 |  |  |  | 67,612 |  |  |  | (2,039 | )
KT Music Contents Fund No.2 |  |  | 14,985 |  |  |  | 278 |  |  |  | 253 |  |  |  | (30 | )
KT-Michigan Global Contents Fund |  |  | 3,552 |  |  |  | 112 |  |  |  | 13,592 |  |  |  | 10,032 |
KT M Mobile Inc. |  |  | 144,175 |  |  |  | 40,749 |  |  |  | 204,641 |  |  |  | 5,918 |
KT Investment Co., Ltd. 1 |  |  | 87,366 |  |  |  | 66,108 |  |  |  | 21,040 |  |  |  | (697 | )
KTCS Corporation 1 |  |  | 416,750 |  |  |  | 234,172 |  |  |  | 968,499 |  |  |  | 19,034 |
KTIS Corporation |  |  | 369,361 |  |  |  | 177,619 |  |  |  | 487,801 |  |  |  | 24,944 |
Next Connect PFV Inc. |  |  | 518,441 |  |  |  | 167,963 |  |  |  | — |  |  |  | (6,519 | )
KT Japan Co., Ltd. 1 |  |  | 1,474 |  |  |  | 2,633 |  |  |  | 1,298 |  |  |  | (142 | )
KT America, Inc. |  |  | 4,884 |  |  |  | 101 |  |  |  | 6,508 |  |  |  | 201 |
KT Rwanda Networks Ltd. 2 |  |  | 125,860 |  |  |  | 236,389 |  |  |  | 23,328 |  |  |  | (28,770 | )
AOS Ltd. 2 |  |  | 11,539 |  |  |  | 2,812 |  |  |  | 6,942 |  |  |  | 823 |
KT Hong Kong Telecommunications Co., Ltd. |  |  | 6,613 |  |  |  | 1,346 |  |  |  | 18,825 |  |  |  | 1,313 |
KT Hopemate 1 |  |  | 6,311 |  |  |  | 2,978 |  |  |  | 12,538 |  |  |  | 116 |
KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd.) |  |  | 185,850 |  |  |  | 144,832 |  |  |  | 284,998 |  |  |  | 366 |
KT Studio Genie Co., Ltd. 1, |  |  | 648,534 |  |  |  | 276,933 |  |  |  | 90,047 |  |  |  | (16,443 | )
Lolab Co., Ltd. |  |  | 26,726 |  |  |  | 897 |  |  |  | 2,107 |  |  |  | (134 | )
East Telecom LLC 1 |  |  | 35,904 |  |  |  | 22,088 |  |  |  | 11,960 |  |  |  | 2,487 |
KT ES Pte. Ltd. 1 |  |  | 240,331 |  |  |  | 80,597 |  |  |  | 15,157 |  |  |  | (6,355 | )
KT Philippines |  |  | 3,641 |  |  |  | 1,243 |  |  |  | — |  |  |  | — |
Altimedia Corporation 1 |  |  | 32,338 |  |  |  | 9,742 |  |  |  | 6,968 |  |  |  | 1,037 |
1 | These companies are the intermediate controlling companies of other subsidiaries and the above financial information is from their consolidated financial statements.
2 | Convertible preferred stock issued by subsidiaries as of the end of the reporting period is included in liabilities.
3 | Profit or loss is included from the date of acquisition of control to the end of the reporting period.
(in millions of Korean won) |  | December 31, 2022 3 |
|  | Total assets |  |  | Total liabilities |  |  | Operating revenues 3 |  |  | Profit (loss) for the year 3 |
KT Linkus Co., Ltd. |  | ￦ | 47,734 |  |  | ￦ | 47,498 |  |  | ￦ | 76,135 |  |  | ￦ | (614 | )
KT Submarine Co., Ltd. |  |  | 120,255 |  |  |  | 7,884 |  |  |  | 42,848 |  |  |  | (12,126 | )
KT Telecop Co., Ltd. |  |  | 370,004 |  |  |  | 230,965 |  |  |  | 517,406 |  |  |  | 4,267 |
KT Alpha Co., Ltd . 1 (KT Hitel Co., Ltd.) |  |  | 406,236 |  |  |  | 172,211 |  |  |  | 516,737 |  |  |  | 13,115 |
KT Service Bukbu Co., Ltd. |  |  | 74,673 |  |  |  | 65,820 |  |  |  | 252,304 |  |  |  | 3,227 |
KT Service Nambu Co., Ltd. |  |  | 80,450 |  |  |  | 66,479 |  |  |  | 301,720 |  |  |  | 3,067 |
BC Card Co., Ltd. 1 |  |  | 5,666,075 |  |  |  | 4,109,200 |  |  |  | 3,897,090 |  |  |  | 148,341 |
H&C Network |  |  | 82,737 |  |  |  | 6,640 |  |  |  | 27,392 |  |  |  | 992 |
Nasmedia Co., Ltd. 1 |  |  | 516,945 |  |  |  | 275,730 |  |  |  | 153,210 |  |  |  | 27,691 |
KTDS Co., Ltd. 1 |  |  | 401,932 |  |  |  | 228,474 |  |  |  | 723,161 |  |  |  | 30,941 |
KT M&S Co., Ltd. |  |  | 255,310 |  |  |  | 204,336 |  |  |  | 730,802 |  |  |  | 8,105 |
KT MOS Bukbu Co., Ltd. |  |  | 38,684 |  |  |  | 22,553 |  |  |  | 83,085 |  |  |  | 4,607 |
KT MOS Nambu Co., Ltd. |  |  | 42,011 |  |  |  | 25,416 |  |  |  | 83,330 |  |  |  | 5,035 |
KT Skylife Co., Ltd. 1 |  |  | 1,359,166 |  |  |  | 503,679 |  |  |  | 1,038,468 |  |  |  | 20,941 |
KT Estate Inc. 1 |  |  | 2,480,333 |  |  |  | 833,842 |  |  |  | 478,188 |  |  |  | 58,780 |
KT GDH Co., Ltd. |  |  | 12,059 |  |  |  | 1,596 |  |  |  | 4,323 |  |  |  | 451 |
KT Sat Co., Ltd. |  |  | 677,980 |  |  |  | 89,644 |  |  |  | 185,313 |  |  |  | 28,073 |
KT Sports Co., Ltd. |  |  | 28,220 |  |  |  | 15,461 |  |  |  | 65,350 |  |  |  | (7,302 | )
KT Music Contents Fund No.2 |  |  | 15,718 |  |  |  | 277 |  |  |  | 1,040 |  |  |  | 735 |
KT-Michigan Global Content Fund |  |  | 2,371 |  |  |  | 27 |  |  |  | 33 |  |  |  | (1,095 | )
KT M Mobile Co., Ltd. |  |  | 152,114 |  |  |  | 49,816 |  |  |  | 262,918 |  |  |  | 4,731 |
KT Investment Co., Ltd. 1 |  |  | 103,354 |  |  |  | 79,182 |  |  |  | 15,136 |  |  |  | 2,840 |
KTCS Corporation 1 |  |  | 419,726 |  |  |  | 228,618 |  |  |  | 1,031,010 |  |  |  | 17,634 |
KTIS Corporation |  |  | 396,208 |  |  |  | 199,204 |  |  |  | 536,229 |  |  |  | 15,917 |
Next Connect PFV |  |  | 624,734 |  |  |  | 277,967 |  |  |  | 3 |  |  |  | (3,712 | )
KT Japan Co., Ltd. 1 |  |  | 1,888 |  |  |  | 3,141 |  |  |  | 3,263 |  |  |  | 226 |
KT America, Inc. |  |  | 5,945 |  |  |  | 843 |  |  |  | 8,070 |  |  |  | 37 |
KT Rwanda Networks Ltd. 2 |  |  | 126,721 |  |  |  | 267,369 |  |  |  | 30,834 |  |  |  | (27,467 | )
AOS Ltd. 2 |  |  | 10,972 |  |  |  | 905 |  |  |  | 8,049 |  |  |  | 1,274 |
KT Hong Kong Telecommunications Co., Ltd. |  |  | 10,505 |  |  |  | 4,768 |  |  |  | 20,413 |  |  |  | 51 |
KT Huimangjieum 1 |  |  | 6,984 |  |  |  | 2,582 |  |  |  | 22,860 |  |  |  | 494 |
KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd.) |  |  | 141,463 |  |  |  | 89,853 |  |  |  | 258,435 |  |  |  | 10,302 |
KT Studio Genie Co., Ltd. 1 |  |  | 987,270 |  |  |  | 268,911 |  |  |  | 723,580 |  |  |  | 189,498 |
Lolab Co., Ltd. |  |  | 35,091 |  |  |  | 17,247 |  |  |  | 74,881 |  |  |  | (7,985 | )
East Telecom LLC 1 |  |  | 42,691 |  |  |  | 21,645 |  |  |  | 27,030 |  |  |  | 6,419 |
KT ES Pte. Ltd. 1 |  |  | 240,721 |  |  |  | 88,640 |  |  |  | 78,815 |  |  |  | (23,957 | )
KTP SERVICES INC. |  |  | 3,832 |  |  |  | 2,044 |  |  |  | 776 |  |  |  | (255 | )
Altimedia Corporation 1 |  |  | 44,861 |  |  |  | 15,777 |  |  |  | 47,203 |  |  |  | 6,035 |
KT RUS LLC 1 |  |  | 967 |  |  |  | 16 |  |  |  | 5 |  |  |  | (871 | )
KT DX Vietnam Company Limited |  |  | 1,815 |  |  |  | 6 |  |  |  | — |  |  |  | 26 |
kt cloud Co., Ltd. 1 |  |  | 1,348,684 |  |  |  | 245,872 |  |  |  | 432,118 |  |  |  | 14,712 |
1 | These companies are the intermediate controlling companies of other subsidiaries and the above financial information is from their consolidated financial statements.
2 | Convertible preferred stock issued by subsidiaries as of the end of the reporting period is included in liabilities.
3 | Profit or loss is included from the date of acquisition of control to the end of the reporting period.
(in millions of Korean won) |  | December 31, 2023 3 |
|  | Total assets |  |  | Total liabilities |  |  | Operating revenues |  |  | Profit (loss) for the year |
KT Linkus Co., Ltd. |  | ￦ | 64,178 |  |  | ￦ | 63,452 |  |  | ￦ | 81,645 |  |  | ￦ | 821 |
KT Telecop Co., Ltd. |  |  | 375,596 |  |  |  | 235,947 |  |  |  | 527,015 |  |  |  | 5,728 |
KT Alpha Co., Ltd. |  |  | 443,639 |  |  |  | 191,254 |  |  |  | 437,308 |  |  |  | 19,352 |
KT Service Bukbu Co., Ltd. |  |  | 63,760 |  |  |  | 55,360 |  |  |  | 242,119 |  |  |  | 1,212 |
KT Service Nambu Co., Ltd. |  |  | 71,576 |  |  |  | 58,745 |  |  |  | 291,170 |  |  |  | 1,354 |
BC Card Co., Ltd. 1 |  |  | 6,352,878 |  |  |  | 4,722,432 |  |  |  | 4,027,450 |  |  |  | 76,545 |
H&C Network |  |  | 81,107 |  |  |  | 4,863 |  |  |  | 27,205 |  |  |  | 1,814 |
Nasmedia Co., Ltd. 1 |  |  | 513,311 |  |  |  | 262,336 |  |  |  | 147,934 |  |  |  | 17,703 |
KTDS Co., Ltd. 1 |  |  | 393,667 |  |  |  | 202,067 |  |  |  | 727,477 |  |  |  | 33,971 |
KT M&S Co., Ltd. |  |  | 258,477 |  |  |  | 209,075 |  |  |  | 695,856 |  |  |  | 3,783 |
KT MOS Bukbu Co., Ltd. |  |  | 50,750 |  |  |  | 28,431 |  |  |  | 101,428 |  |  |  | 8,457 |
KT MOS Nambu Co., Ltd. |  |  | 46,839 |  |  |  | 26,012 |  |  |  | 101,422 |  |  |  | 5,749 |
KT Skylife Co., Ltd. 1 |  |  | 1,220,842 |  |  |  | 479,369 |  |  |  | 1,034,342 |  |  |  | (109,407 | )
KT Estate Inc. 1 |  |  | 2,746,546 |  |  |  | 1,121,970 |  |  |  | 511,018 |  |  |  | 871 |
KT GDH Co., Ltd. |  |  | 7,760 |  |  |  | 1,501 |  |  |  | 4,346 |  |  |  | 648 |
KT Sat Co., Ltd. |  |  | 699,607 |  |  |  | 88,524 |  |  |  | 182,274 |  |  |  | 30,502 |
KT Sports Co., Ltd. |  |  | 26,615 |  |  |  | 11,299 |  |  |  | 66,309 |  |  |  | (12,386 | )
KT Music Contents Fund No.2 |  |  | 5,558 |  |  |  | 1,772 |  |  |  | 534 |  |  |  | (992 | )
KT M Mobile Co., Ltd. |  |  | 176,838 |  |  |  | 69,317 |  |  |  | 301,049 |  |  |  | 5,605 |
KT Investment Co., Ltd. 1 |  |  | 83,638 |  |  |  | 57,420 |  |  |  | 24,976 |  |  |  | 2,180 |
KTCS Corporation 1 |  |  | 434,900 |  |  |  | 234,850 |  |  |  | 1,035,911 |  |  |  | 15,804 |
KTIS Corporation |  |  | 447,609 |  |  |  | 243,519 |  |  |  | 593,162 |  |  |  | 13,922 |
Next Connect PFV |  |  | 946,687 |  |  |  | 629,809 |  |  |  | — |  |  |  | (29,889 | )
KT Japan Co., Ltd. 1 |  |  | 2,015 |  |  |  | 3,341 |  |  |  | 2,793 |  |  |  | (110 | )
KT America, Inc. |  |  | 6,013 |  |  |  | 701 |  |  |  | 8,928 |  |  |  | 133 |
KT Rwanda Networks Ltd. 2 |  |  | 134,847 |  |  |  | 313,787 |  |  |  | 26,788 |  |  |  | (57,628 | )
AOS Ltd. 2 |  |  | 10,763 |  |  |  | 1,983 |  |  |  | 8,287 |  |  |  | 128 |
KT Hong Kong Telecommunications Co., Ltd. |  |  | 11,142 |  |  |  | 5,121 |  |  |  | 19,373 |  |  |  | 143 |
KT Huimangjieum 1 |  |  | 8,073 |  |  |  | 2,715 |  |  |  | 17,687 |  |  |  | 1,012 |
KT Engineering Co., Ltd. |  |  | 160,243 |  |  |  | 104,005 |  |  |  | 262,063 |  |  |  | 5,327 |
KT Studio Genie Co., Ltd. 1 |  |  | 989,187 |  |  |  | 259,413 |  |  |  | 542,955 |  |  |  | 13,507 |
Lolab Co., Ltd. |  |  | 42,744 |  |  |  | 37,838 |  |  |  | 173,035 |  |  |  | (12,938 | )
East Telecom LLC 1 |  |  | 48,483 |  |  |  | 22,632 |  |  |  | 30,350 |  |  |  | 7,723 |
KT ES Pte. Ltd. 1 |  |  | 117,009 |  |  |  | 90,392 |  |  |  | 87,865 |  |  |  | (124,850 | )
KTP SERVICES INC. |  |  | 2,967 |  |  |  | 919 |  |  |  | 671 |  |  |  | 235 |
Altimedia Corporation 1 |  |  | 48,381 |  |  |  | 12,374 |  |  |  | 45,035 |  |  |  | 7,352 |
KT RUS LLC |  |  | 501 |  |  |  | 10 |  |  |  | 1 |  |  |  | (378 | )
KT DX Vietnam Company Limited |  |  | 1,694 |  |  |  | 102 |  |  |  | 82 |  |  |  | (207 | )
KT Cloud Co., Ltd. 1 |  |  | 1,983,972 |  |  |  | 503,241 |  |  |  | 679,825 |  |  |  | 63,956 |
KT Healthcare Vina Co., Ltd. |  |  | 12,730 |  |  |  | 439 |  |  |  | — |  |  |  | (721 | )
K-Realty Qualified Private Real Estate Investment Trust No. 1 |  |  | 80,266 |  |  |  | 50,693 |  |  |  | 4,682 |  |  |  | (1,037 | )
AQUA RETAIL VIETNAM COMPANY LIMITED |  |  | 1,202 |  |  |  | 62 |  |  |  | 16 |  |  |  | (248 | )
1 | These companies are the intermediate controlling companies of other subsidiaries and the above financial information is from their consolidated financial statements.
2 | Convertible preferred stock issued by subsidiaries as of the end of the reporting period is included in liabilities.
3 | Profit or loss is included from the date of acquisition of control to the end of the reporting period.

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