SK텔레콤 사업보고서 (2022.12)
2. 계열회사 현황(상세)

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(기준일 : 2022.12.31 ) (단위 : 사)

상장여부	회사수	기업명	법인등록번호

상장	21	SKC㈜	130111-0001585

SK가스㈜	110111-0413247

SK네트웍스㈜	130111-0005199

SK디스커버리㈜	130111-0005727

SK디앤디㈜	110111-3001685

SK렌터카㈜	110111-0577233

SK바이오사이언스㈜	131111-0523736

SK바이오팜㈜	110111-4570720

SK스퀘어㈜	110111-8077821

SK아이이테크놀로지㈜	110111-7064217

SK위탁관리부동산투자회사㈜	110111-7815446

SK이노베이션㈜	110111-3710385

SK㈜	110111-0769583

SK케미칼㈜	131111-0501021

SK텔레콤㈜	110111-0371346

SK하이닉스㈜	134411-0001387

삼강M	191311-0003485

인크로스㈜	110111-3734955

㈜나노엔텍	110111-0550502

㈜드림어스컴퍼니	110111-1637383

㈜에스엠코어	110111-0128680

비상장	749	(유)로지소프트	110114-0244050

11번가㈜	110111-6861490

F	135311-0003300

SK E	110111-1632979

SKC FT 홀딩스㈜	211211-0025048

SKC솔믹스㈜	134711-0014631

SKC하이테크앤마케팅㈜	161511-0225312

SK네트웍스서비스㈜	135811-0141788

SK넥실리스㈜	110111-6480232

SK레조낙㈜ (舊 SK쇼와덴코㈜)	175611-0018553

SK렌터카서비스㈜	160111-0306525

SK리츠운용㈜	110111-7832127

SK매직서비스㈜	134811-0039752

SK매직㈜	110111-5125962

SK머티리얼즈그룹포틴㈜	171411-0032197

SK머티리얼즈리뉴텍㈜	110111-2559792

SK머티리얼즈에어플러스㈜	230111-0134111

SK머티리얼즈제이엔씨㈜	134811-0595837

SK머티리얼즈퍼포먼스㈜	164711-0095338

SK멀티유틸리티㈜	230111-0363760

SK모바일에너지㈜	161511-0076070

SK바이오텍㈜	160111-0395453

SK브로드밴드㈜	110111-1466659

SK쉴더스㈜	110111-2007858

SK스토아㈜	110111-6585884

SK스페셜티㈜ (舊 SK머티리얼즈㈜)	175611-0025475

SK실트론CSS코리아㈜	110111-8298922

SK실트론㈜	175311-0001348

SK어드밴스드㈜	230111-0227982

SK어스온㈜	110111-8042361

SK에너지㈜	110111-4505967

SK에코엔지니어링㈜	110111-8061337

SK에코플랜트㈜	110111-0038805

SK엔무브㈜ (舊 SK루브리컨츠㈜)	110111-4191815

SK엠앤서비스㈜	110111-1873432

SK오앤에스㈜	110111-4370708

SK온㈜	110111-8042379

SK인천석유화학㈜	120111-0666464

SK임업㈜	134811-0174045

SK지오센트릭㈜	110111-4505975

SK커뮤니케이션즈㈜	110111-1322885

SK케미칼대정㈜	131111-0587675

SK텔레시스㈜	110111-1405897

SK텔레콤CST1㈜	110111-7170189

SK텔링크㈜	110111-1533599

SK트레이딩인터내셔널㈜	110111-5171064

SK트리켐㈜	164711-0060753

SK티비엠지오스톤㈜	154311-0056421

SK플라즈마㈜	131111-0401875

SK플래닛㈜	110111-4699794

SK플러그하이버스㈜ (舊 ㈜해일로하이드로젠)	110111-8171657

SK피아이씨글로벌㈜	230111-0324803

SK피유코어㈜ (舊 미쓰이케미칼앤드에스케이씨폴리우레탄㈜)	230111-0233880

SK핀크스㈜	224111-0003760

SK하이닉스시스템IC㈜	150111-0235586

SK하이스텍㈜	134411-0037746

SK하이이엔지㈜	134411-0017540

강동그린컴플렉스㈜	171211-0127207

강원도시가스㈜	140111-0002010

경기환경에너지㈜	134211-0058473

경북환경에너지㈜	176011-0055291

경산맑은물길㈜	120111-0701848

경인환경에너지㈜	134811-0279340

고성홀딩스(유)	110114-0207743

곡성환경㈜	200111-0187330

굿서비스㈜	110111-4199877

그린순창㈜	160111-0134942

그린화순㈜	160111-0199459

나래에너지서비스㈜	110111-4926006

내트럭㈜	110111-3222570

달성맑은물길㈜	160111-0317770

당진에코파워㈜	165011-0069097

당진행복솔라㈜	110111-8022925

대원그린에너지㈜	161511-0134795

대원하이테크㈜	161511-0197397

도시환경㈜	115311-0009435

동남해안해상풍력㈜	110111-8180335

디앤디인베스트먼트㈜	110111-6618263

디앤디프라퍼티솔루션㈜ (舊 디앤디리빙솔루션㈜)	110111-8150924

롯데SK에너루트㈜	110111-8436374

마인드노크㈜	110111-6638873

미디어에스㈜	110111-7739191

민팃㈜	124411-0057457

보령LNG터미널㈜	164511-0021527

부사호행복나눔솔라㈜	200111-0654256

부산정관에너지㈜	180111-0484898

삼강S	191211-0000681

새한환경㈜	161511-0073563

서남환경에너지㈜	184611-0017968

서비스에이스㈜	110111-4368688

서비스탑㈜	160111-0281090

서울공항리무진㈜	110111-5304756

성주테크㈜	284411-0087386

스튜디오웨이브㈜	110111-7891785

아리울행복솔라㈜	110111-7725041

아이디퀀티크(유)	131114-0009566

아이지이㈜	120111-1134494

에스티에이씨㈜	230111-0379436

에이피개발㈜	201111-0068498

에코밴스㈜	135811-0433028

에프에스케이엘앤에스㈜	131111-0462520

엔티스㈜	130111-0021658

여주에너지서비스㈜	110111-6897817

영남에너지서비스㈜	175311-0001570

울산GPS㈜	165011-0035072

울산아로마틱스㈜	110111-4499954

원스토어㈜	131111-0439131

유베이스매뉴팩처링아시아㈜	230111-0168673

유빈스㈜	135111-0077367

인프라커뮤니케이션즈㈜	110111-6478873

전남2해상풍력㈜	110111-7985661

전남3해상풍력㈜	110111-7985934

전남도시가스㈜	201311-0000503

전남해상풍력㈜	110111-7400817

전북에너지서비스㈜	214911-0004699

제주유나이티드FC㈜	224111-0015012

㈜DDIOS108위탁관리부동산투자회사	110111-8092150

㈜DDIYS832위탁관리부동산투자회사	110111-7280425

㈜그린환경기술	115211-0030408

㈜대한송유관공사	110111-0671522

㈜더비즈	110111-4070358

㈜디디에스	170111-0422999

㈜디와이인더스	134811-0695851

㈜디와이폴리머	175011-0027316

㈜로크미디어	110111-2741216

㈜부산도시가스	180111-0039495

㈜사피온코리아	131111-0657618

㈜삼원이엔티	170111-0804791

㈜솔루티온	135711-0157117

㈜스튜디오돌핀	110111-7604170

㈜신안증도태양광	201111-0052938

㈜쏠리스	205711-0024452

㈜에이앤티에스	110111-3066861

㈜올뉴원	230111-0364213

㈜와이에스텍	170111-0397522

㈜와이엘피	110111-5969229

㈜울산에너루트1호	230111-0381514

㈜울산에너루트2호	230111-0381522

㈜원폴	165011-0032888

㈜이메디원	200111-0254767

㈜이메디원로지스	121111-0414789

㈜제이에스아이	124611-0261880

㈜제이에이그린	154311-0024486

㈜채움에프앤비	180111-1287720

㈜캡스텍	110111-3141663

㈜키파운드리	150111-0285375

㈜한국거래소시스템즈	110111-2493601

㈜휘찬	110111-1225831

지에너지㈜	110111-7788750

충청에너지서비스㈜	150111-0006200

충청환경에너지㈜	165011-0013078

카티니㈜	110111-7983392

코원에너지서비스㈜	110111-0235617

콘텐츠웨이브㈜	110111-4869173

클린에너지위탁관리부동산투자회사㈜	110111-7815602

토털밸류제1호위탁관리부동산투자회사㈜	110111-8384672

티맵모빌리티㈜	110111-7733812

파주에너지서비스㈜	110111-4629501

파킹클라우드㈜	110111-4221258

피에스앤마케팅㈜	110111-4072338

한국넥슬렌(유)	230114-0003328

해솔라에너지㈜	201111-0050106

해쌀태양광㈜	161411-0049376

행복나래㈜	110111-2016940

행복동행㈜	175611-0021671

행복디딤㈜	110111-6984325

행복모아㈜	150111-0226204

행복모음㈜	230111-0318187

행복믿음㈜	110111-8079215

행복채움㈜	176011-0130902

행복키움㈜	110111-6984672

행복한울㈜	110111-7197167

호남환경에너지㈜	160111-0523369

홈앤서비스㈜	110111-6420460

환경시설관리㈜	134111-0486452

ESSENCORE Limited	-

Essencore Microelectronics (ShenZhen) Limited	-

S Technology	-

ShangHai YunFeng Encar Used Car Sales Service Ltd.	-

SK S.E. Asia Pte. Ltd.	-

SK C Beijing Co., Ltd.	-

SK C Chengdu Co., Ltd.	-

SK C India Pvt., Ltd.	-

SK C USA, INC.	-

Abrasax Investment Inc.	-

AMPAC Fine Chemicals Texas, LLC	-

AMPAC Fine Chemicals Virginia, LLC	-

AMPAC Fine Chemicals, LLC	-

Fine Chemicals Holdings Corp.	-

SK Biotek Ireland Limited	-

SK Biotek USA, Inc.	-

SK Pharmteco Inc.	-

Crest Acquisition LLC	-

YPOSKESI, SAS	-

Dogus SK Finansal ve Ticari Yatirim ve Danismanlik A.S.	-

EM Holdings (Cayman) L.P.	-

EM Holdings (US) LLC	-

Gemini Partners Pte. Ltd.	-

Hermed Alpha Industrial Co., Ltd.	-

Hermed Capital	-

Hermed Capital Health Care (RMB) GP Limited	-

Hermed Capital Health Care Fund L.P.	-

Hermed Capital Health Care GP Ltd	-

Hermed Equity Investment Management (Shanghai) Co., Ltd.	-

Hermeda Industrial Co. Ltd	-

Prostar APEIF GP Ltd.	-

Prostar APEIF Management Ltd.	-

Prostar Asia Pacific Energy Infrastructure SK Fund L.P.	-

Prostar Capital (Asia-Pacific) Ltd.	-

Prostar Capital Ltd.	-

Prostar Capital Management Ltd.	-

Shanghai Hermed Equity Investment Fund Enterprise	-

Solaris GEIF Investment	-

Solaris Partners Pte. Ltd.	-

SK Investment Management Co., Limited.	-

SK Semiconductor Investments Co., Ltd	-

SL (Beijing) Consulting and Management Co., Ltd	-

SL Capital Management (Hong Kong) Ltd	-

SL Capital Management Limited	-

SL Capital Partners Limited	-

SLSF I GP Limited	-

Wuxi Junhai Xinxin Investment Consulting Ltd	-

Wuxi United Chips Investment Management Limited	-

Beijing Junhai Tengxin Consulting and Management Co.,Ltd	-

SK SOUTH EAST ASIA INVESTMENT PTE., LTD.	-

SK INVESTMENT VINA Ⅰ Pte., Ltd.	-

SK INVESTMENT VINA Ⅱ Pte., Ltd.	-

SK INVESTMENT VINA Ⅲ Pte., Ltd.	-

Imexpharm Corporation	-

SK INVESTMENT VINA IV Pte., Ltd.	-

MSN INVESTMENT Pte. Ltd.	-

SK MALAYSIA INVESTMENT I PTE. LTD.	-

VIETNAM DIGITALIZATION FUND	-

Lotus Fund, L.P.	-

SK INVESTMENT VINA V PTE. LTD.	-

SK INVESTMENT VINA VI PTE. LTD.	-

Cong Thang Alpha Joint Stock Company	-

EASTERN VISION INVESTMENT JOINT STOCK COMPANY	-

Truong Luu Chi Invest Joint Stock Company	-

An Nam Phu Investment Joint Stock Company	-

Zion Son Kim Joint Stock Company	-

SUNRISE KIM INVESTMENT JOINT STOCK COMPANY	-

Lihn Nam Ventures Joint Stock Company	-

Lien Khuong International Joint Stock Company	-

Dong Kinh Capital Joint Stock Company	-

Lac Son Investment Joint Stock Company	-

KBA Investment Joint Stock Company	-

SPX GI Holdings Pte. Ltd.	-

SPX GI Management Company Pte. Ltd.	-

SK GI Management	-

SOCAR MOBILITY MALAYSIA SDN. BHD.	-

PT Future Mobility Solutions	-

Future Mobility Solutions SDN. BHD.	-

EINSTEIN CAYMAN LIMITED	-

ZETA CAYMAN LIMITED	-

Golden Pearl EV Solutions Limited	-

Shanghai SKY Real Estate Development Co.,Ltd.	-

SK Auto Service Hong Kong Ltd.	-

SK China Company, Ltd.	-

SK China Investment Management Company Limited	-

SK China Real Estate Co., Limited	-

SK China(Beijing) Co.,Ltd.	-

SK Financial Leasing Co, Ltd.	-

SK Industrial Development China Co., Ltd.	-

SK International Agro-Products Logistics Development Co., Ltd.	-

SK International Agro-Sideline Products Park Co.,Ltd.	-

SK Property Investment Management Company Limited	-

SKY Investment Co., Ltd	-

SKY Property Mgmt. Ltd.	-

Skyline Auto Financial Leasing Co, Ltd.	-

Beijing LIZHIWEIXIN Technology Company Limited	-

SKY (ZHUHAI HENGQIN) TECHNOLOGY CO., LTD	-

SK Networks (Liaoning) Logistics Co., Ltd	-

Hudson Energy NY II, LLC	-

Hudson Energy NY III, LLC	-

Hudson Energy NY, LLC	-

Plutus Capital NY, Inc.	-

GROVE ENERGY CAPITAL LLC	-

Grove Energy Capital II, LLC	-

Grove Energy Capital III, LLC	-

Atlas NY, LLC	-

Wonderland NY, LLC	-

Digital Center Capital Inc.	-

Martis Capital, LLC	-

I CUBE CAPITAL INC	-

Tellus Investment Partners, Inc. (구. I CUBE CAPITAL II, INC)	-

TERRA INVESTMENT PARTNERS II LLC	-

Terra Investment Partners LLC	-

Primero Protein LLC	-

SK Mobility Investments Company Limited	-

I Cube Capital Hong Kong 1. LP	-

Castanea Bioscience Inc.	-

AUXO CAPITAL INC.	-

AUXO CAPITAL MANAGERS LLC	-

SK GLOBAL DEVELOPMENT ADVISORS LLC	-

TELLUS (HONG KONG) INVESTMENT CO.,LIMITED	-

Saturn Agriculture Investment Co., Limited	-

Leiya Dahe (Tianjin) Equity Investment Limited Partnership	-

Tillandsia, Inc.	-

SK JNC Japan Co., Ltd	-

SK Materials Group14 (Shanghai) Co., Ltd.	-

NanoEntek America Inc.	-

NanoEntek Bio-Technology (Beijing) Ltd	-

Dongguan Iriver Electronics Co., Ltd.	-

Iriver China Co., Ltd.	-

Iriver Enterprise Ltd.	-

LIFE DESIGN COMPANY INC.	-

SK E Hong Kong Co., Ltd.	-

SMC US, INC	-

SMCORE INDIA PRIVATE LIMITED	-

MCNS Polyurethanes Europe Sp. zo.o	-

MCNS Polyurethanes India Pvt. Ltd.	-

MCNS Polyurethanes Mexico, S. de R.L. de C.V	-

MCNS Polyurethanes RUS LLC.	-

MCNS Polyurethanes USA Inc.	-

MINTIT VINA	-

SK Gas International Pte. Ltd.	-

SK Gas Petrochemical Pte. Ltd.	-

SK Gas Trading LLC	-

SK Gas USA Inc.	-

Hico Capital (구. TenX Capital)	-

Networks Tejarat Pars	-

P.T. SK Networks Indonesia	-

POSK(Pinghu) Steel Processing Center Co.,Ltd.	-

Shenyang SK Bus Terminal Co.,Ltd.	-

SK BRASIL LTDA	-

SK Networks (Xiamen) Steel Processing Center	-

SK NETWORKS AMERICA, Inc.	-

SK Networks Deutschland GmbH	-

SK Networks HongKong Ltd.	-

SK Networks Japan Co., Ltd.	-

SK Networks Resources Australia (Wyong) Pty Ltd.	-

SK Networks Resources Pty Ltd.	-

SK Networks Trading Malaysia Sdn Bhd	-

SK Networks(Dandong) Energy Co.,Ltd.	-

SK Networks(Shanghai) Co.,Ltd.	-

SKN (China) Holdings Co.,Ltd.	-

Springvale SK Kores Pty Ltd.	-

Nexilis Management Malaysia SDN. BHD	-

SK Nexilis Malaysia SDN. BHD	-

SK Nexilis Poland sp. z o.o	-

NEXILIS MANAGEMENT EUROPE B.V.	-

Iberian Lube Base Oils Company, S.A.	-

PT. Patra SK	-

SK Energy Lubricants (Tianjin) Co., Ltd.	-

SK Enmove India Pvt. Ltd (구. SK Lubricants Oils India Pvt. Ltd.)	-

SK Lubricants Americas, Inc.	-

SK Lubricants Europe B.V.	-

SK Lubricants Japan Co., Ltd.	-

SK Lubricants Rus Limited Liability Company	-

SK Magic Retails Malaysia Sdn. Bhd	-

SK MAGIC VIETNAM CO.,LTD	-

SK specialty Japan Co., Ltd.	-

SK specialty (Jiangsu) Co., Ltd.	-

SK Materials (Shanghai) Co., Ltd.	-

SK specialty Taiwan Co., Ltd.	-

SK specialty (Xi'An) Co., Ltd.	-

Mobile Energy Battery America, LLC	-

Yancheng Yandu District M Energy Consulting Limited Company	-

Ignis Therapeutics	-

SK Life Science, Inc	-

SK생물의약과기(상해) 유한공사	-

Infosec Information technology(Wuxi) Co., Ltd.	-

SK shieldus America, Inc.	-

NextGen Broadcast Orchestration	-

NextGen Broadcast service	-

SK Square Americas, Inc.	-

ID Quantique Ltd.	-

ID Quantique Inc.	-

ID Quantique S.A.	-

Techmaker GmbH	-

wavve Americas, Inc.	-

SK Japan Investment Inc.	-

SK Siltron America, Inc.	-

SK Siltron CSS, LLC	-

SK Siltron Japan, Inc.	-

SK Siltron Shanghai Co., Ltd.	-

SK Siltron USA, Inc.	-

Absolics Inc.	-

NEX INVESTMENT LIMITED	-

NEX UK HOLDINGS LIMITED	-

SKC (Nantong) PU Specialty Co., Ltd.	-

SKC International Shanghai Trading Co., Ltd.	-

SKC PU Specialty Co., Ltd.	-

SKC (Jiangsu) High Tech Plastics	-

SKC Europe GmbH	-

SK microworks America inc. (구 SKC, Inc.)	-

ZA Advanced PVB Film(Nantong) Co., Ltd.	-

SE(Jiangsu) Electronic Materials Co., LTD	-

SKC (Nantong) Semiconductor Materials Technology Co., Ltd.	-

SKC Semiconductor Materials(Wuxi) Co., Ltd	-

SKC Solmics Hong Kong Co., LTD	-

SKC-ENF Electronic Materials Ltd.	-

SOLMICS SHANGHAI INTERNATIONAL TRADING CO., LTD.	-

SOLMICS TAIWAN CO., LTD.	-

SKC hi-tech Polska SP.Z.O.O	-

SKC hi-tech USA LLC	-

SKC hi-tech VINA Co., Ltd.	-

SKC hi-tech(Suzhou) Co., Ltd.	-

SK hi-tech battery materials (Jiangsu) Co., Ltd.	-

SK hi-tech battery materials Poland sp. z o.o.	-

Asia Bitumen Trading Pte, Ltd.	-

GREEN CO. ASIA LIMITED	-

Shandong SK Hightech Oil Co., Ltd.	-

SK Energy Hong Kong Co., Ltd.	-

SK Energy Road Investment Co., Ltd.	-

SK Energy Road Investment(HK) Co., Ltd.	-

SK Shanghai Asphalt Co., Ltd.	-

Energy Solution Group, Inc.	-

ATOM POWER, INC	-

Green Technology Management Pty Ltd	-

BAKAD Investment and Operation LLP	-

Mesa Verde RE Ventures, LLC	-

TES-ENVIROCORP PTE. LTD.	-

Shanghai Taixiang Network Technology Co., Ltd	-

BT RE Investments, LLC	-

SK International Investment Singapore Pte. Ltd.	-

Avrasya Tuneli Isletme Insaat Ve Yatirim A.S.	-

Jurong Aromatics Corporation Pte. Ltd.	-

Thai Woo Ree Engineering Co., Ltd	-

SK E Consultores Ecuador S.A.	-

Goldberg Enterprises Ltd	-

TES-AMM CORPORATION (CHINA) LTD	-

TES B PTE. LTD.	-

TES ESS PTE. LTD.	-

TES Sustainable Battery Solutions B.V.	-

TES Sustainable Battery Solutions GmbH	-

TES CHINA HOLDINGS PTE. LTD.	-

TES-AMM EUROPE HOLDINGS LTD	-

TES-AMM NEW ZEALAND LIMITED	-

WEEE Return GmbH	-

SHANGHAI TES-AMM WASTE PRODUCTS RECYCLE CO., LTD	-

TES-AMM (BEIJING) CO., LTD	-

TES-AMM (Guangzhou) Co., Ltd	-

TES-AMM (SUZHOU) E-WASTE SOLUTIONS CO. LTD	-

CASH FOR TECH LTD	-

CUSTOM CONTROLLERS UK LIMITED	-

Dataserv Compliance Services Limited	-

Envirofone Limited	-

Integrations Et Services	-

REDEEM HOLDINGS LIMITED	-

Redeem UK Limited	-

Stock Must Go Limited	-

Technology Supplies International Ltd.	-

TES CONSUMER SOLUTIONS LTD	-

TES Total Environmental Solution AB	-

TES-AMM (Europe) Ltd	-

TES-AMM Central Europe GmbH	-

TES-AMM ESPANA ASSET RECOVERY AND RECYCLING, S.L.	-

TES-AMM ITALIA SRL	-

TES-AMM SAS	-

TES-AMM UK Ltd	-

VSL Support Limited	-

Sustainable Product Stewards Pty Ltd	-

TES Recupyl	-

Advanced Datacom (Australia) Pty Ltd	-

Environment Asset Services (Thailand) Co., Ltd	-

GENPLUS PTE. LTD	-

PC Off Corporation	-

PT. TES-AMM INDONESIA	-

TES ENERGY SOLUTIONS PTE. LTD.	-

TES SUSTAINABILITY PRODUCTS PTE. LTD.	-

TES USA, Inc.	-

TES-AMM (CAMBODIA) CO., LTD	-

TES-AMM (H.K.) LIMITED	-

TES-AMM (MALAYSIA) SDN. BHD.	-

TES-AMM (SINGAPORE) PTE. LTD.	-

TES-AMM (TAIWAN) CO., LTD	-

TES-AMM AUSTRALIA PTY LTD	-

TES-AMM JAPAN K.K.	-

TES-AMM MIDDLE EAST FZE	-

TES-AMM PHILIPPINES, INC.	-

Total Environmental Solutions Co., Ltd.	-

Hi Vico Construction Company Limited	-

BAKAD International B.V	-

Eco Frontier (Singapore) Pte. Ltd.	-

KS Investment B.V.	-

SBC GENERAL TRADING CONTRACTING CO. W.L.L.	-

Silvertown Investco Ltd.	-

SK E BETEK Corp.	-

SK E India Private Ltd.	-

SK E Jurong Investment Pte. Ltd.	-

SK E Saudi Company Limitied	-

SK Engineering(Nanjing)Co.,Ltd.	-

SK Holdco Pte. Ltd	-

SKEC Anadolu LLC	-

SKEC(Thai) Limited	-

Sunlake Co., Ltd.	-

TES C PTE. LTD.	-

TES Sustainable Battery Solutions (Australia) Pty Ltd	-

TES Sustainable Battery Solutions Limited Liability Company	-

ECOPLANT HOLDING MALAYSIA SDN. BHD.	-

Econovation, LLC	-

ecoengineering Canada Co., Ltd.	-

SK on Certification Center (Jiangsu) Co., Ltd.	-

SK Battery America, Inc.	-

SK Battery Manufacturing Kft.	-

SK On (Shanghai) Co., Ltd.	-

SK On Hungary Kft.	-

SK On Jiangsu Co., Ltd.	-

SK On Yancheng Co., Ltd.	-

Blueoval SK LLC	-

Blue Dragon Energy Co., Limited	-

SK Innovation Insurance (Bermuda), Ltd.	-

SK USA, Inc.	-

SK Innovation America Inc.	-

GROVE ENERGY CAPITAL IV, LLC	-

NEW ONE PTE. LTD.	-

BU12 Australia Pty. Ltd.	-

BU13 Australia Pty. Ltd.	-

CAES, LLC	-

China Gas-SK E LNG Trading Ltd.	-

DewBlaine Energy, LLC	-

Electrodes Holdings, LLC	-

Energy Solution Holdings, Inc.	-

EverCharge Hawaii, LLC	-

EverCharge Services, LLC	-

EverCharge, Inc.	-

Fajar Energy International Pte. Ltd.	-

Grid Solution II LLC	-

Grid Solution LLC	-

KCE Brushy Creek Holdings, LLC	-

KCE CT 1, LLC	-

KCE CT 10, LLC	-

KCE CT 2, LLC	-

KCE CT 4, LLC	-

KCE CT 5, LLC	-

KCE CT 6, LLC	-

KCE CT 7, LLC	-

KCE CT 8, LLC	-

KCE CT 9, LLC	-

KCE Global Holdings, LLC	-

KCE IL 1, LLC	-

KCE IL 2, LLC	-

KCE IN 1, LLC	-

KCE IN 2, LLC	-

KCE IN 3, LLC	-

KCE Land Holdings, LLC	-

KCE Market Operations, LLC	-

KCE MD 1, LLC	-

KCE ME 1, LLC	-

KCE ME 2, LLC	-

KCE MI 1, LLC	-

KCE MI 2, LLC	-

KCE MI 3, LLC	-

KCE NY 1, LLC	-

KCE NY 10, LLC	-

KCE NY 11, LLC	-

KCE NY 12, LLC	-

KCE NY 14, LLC	-

KCE NY 18, LLC	-

KCE NY 19, LLC	-

KCE NY 2, LLC	-

KCE NY 21, LLC	-

KCE NY 22, LLC	-

KCE NY 26, LLC	-

KCE NY 27, LLC	-

KCE NY 28, LLC	-

KCE NY 29, LLC	-

KCE NY 3, LLC	-

KCE NY 32, LLC	-

KCE NY 33, LLC	-

KCE NY 5, LLC	-

KCE NY 6, LLC	-

KCE NY 8, LLC	-

KCE OK 1, LLC	-

KCE OK 2, LLC	-

KCE OK 3, LLC	-

KCE OK 4, LLC	-

KCE PF Holdings 2021, LLC	-

KCE PF Holdings 2022, LLC	-

KCE Texas Holdings 2020, LLC	-

KCE TX 10, LLC	-

KCE TX 11, LLC	-

KCE TX 12, LLC	-

KCE TX 13, LLC	-

KCE TX 14, LLC	-

KCE TX 15, LLC	-

KCE TX 16, LLC	-

KCE TX 19, LLC	-

KCE TX 2, LLC	-

KCE TX 20, LLC	-

KCE TX 21, LLC	-

KCE TX 22, LLC	-

KCE TX 24, LLC	-

KCE TX 25, LLC	-

KCE TX 26, LLC	-

KCE TX 27, LLC	-

KCE TX 28, LLC	-

KCE TX 7, LLC	-

KCE TX 8, LLC	-

KCE TX 9, LLC	-

Key Capture Energy, LLC	-

LNG Americas, Inc.	-

LAI CCS, LLC	-

Lunar Energy, Inc.	-

Mobility Solution I Inc.	-

Mobility Solution II Inc.	-

PassKey, Inc.	-

PNES Investments, LLC	-

PRISM DARWIN PIPELINE PTY LTD	-

PRISM DLNG PTE. LTD.	-

Prism Energy International China Limited	-

Prism Energy International Hong Kong Limited	-

Prism Energy International Pte., Ltd.	-

Prism Energy International Zhoushan Limited	-

PT PRISM Nusantara International	-

PT Regas Energitama Infrastruktur	-

RNES Holdings, LLC	-

Roughneck Storage LLC d/b/a KCE TX 23, LLC	-

Shandong Order-PRISM China Investment Co., Ltd.	-

SK E Americas, Inc.	-

SK E Australia Pty Ltd.	-

SK E Dominicana S.R.L.	-

Wagner Battery Storage LLC	-

Moixa Energy Holdings Limited	-

Moixa Technology Limited	-

Moixa Energy Limited	-

NEW RENEWABLE ENERGY NO.1 JSC	-

KCE MI 4, LLC	-

KCE IN 4, LLC	-

KCE IN 5, LLC	-

KCE IA 1, LLC	-

KCE IL 3, LLC	-

KCE WI 1, LLC	-

KCE MA 4, LLC	-

KCE ID 1, LLC	-

KCE ID 2, LLC	-

KCE ID 3, LLC	-

Green Connect Capital, Inc.	-

Ningbo SK Performance Rubber Co., Ltd.	-

SABIC SK Nexlene Company Pte.Ltd.	-

Sino-Korea Green New Material (JiangSu) Ltd.	-

SK Functional Polymer, S.A.S	-

SK GC Americas, Inc.	-

SK Geo Centric (Beijing) Holding Co., Ltd.	-

SK Geo Centric Brazil LTDA	-

SK Geo Centric China Ltd.	-

SK Geo Centric International Trading (Shanghai) Co., Ltd.	-

SK Geo Centric Investment Hong Kong Ltd.	-

SK Geo Centric Japan Co., Ltd.	-

SK Geo Centric Singapore Pte. Ltd.	-

SK Global Chemical International Trading (Guangzhou) Co., Ltd.	-

SK Primacor Americas LLC	-

SK Primacor Europe, S.L.U.	-

SK Saran Americas LLC	-

SK Chemicals (Shanghai) Co., Ltd	-

SK Chemicals (Suzhou) Co., Ltd	-

SK Chemicals (Yantai) Co., Ltd.	-

SK Chemicals America	-

SK Chemicals GmbH	-

SK Chemicals Malaysia	-

SK Telesys Corp.	-

TechDream Co. Limited	-

AI ALLIANCE, LLC	-

Atlas Investment Ltd.	-

Axess II Holdings	-

CYWORLD China Holdings	-

Deutsche Telekom Capital Partners Venture Fund Ⅱ Parallel GmbH Co. KG	-

SK TELECOM(CHINA)HOLDING CO.,Ltd.	-

SKTA Innopartners, LLC	-

ULand Company Limited	-

YTK Investment Ltd.	-

SK Telecom Americas, Inc.	-

SK Telecom China Fund 1 L.P.	-

SK Telecom Innovation Fund, L.P.	-

SK telecom Japan Inc.	-

SK Telecom Venture Capital, LLC	-

SK Global Healthcare Business Group Ltd.	-

SK Latin America Investment S.A.	-

SK MENA Investment B.V.	-

SK planet Japan Inc.	-

SK Technology Innovation Company	-

Global Opportunities Breakaway Fund	-

Global opportunities Fund, L.P	-

SAPEON Inc.	-

FREEDOM CIRCLE CAPITAL, INC.	-

Montague ESG CAPITAL, LLC.	-

T1 esports US, Inc.	-

SK Energy Americas Inc.	-

SK Energy Europe, Ltd.	-

SK Energy International Pte, Ltd.	-

SK Terminal B.V.	-

Dogus Planet Inc.	-

SCODYS PTE. LTD.	-

SK Planet Global Holdings Pte, Ltd.	-

SK Planet, Inc.	-

Gauss Labs Inc.	-

HITECH Semiconductor (Wuxi) Co.,Ltd. (HITECH)	-

SK APTECH Ltd.	-

SK Hynix (Wuxi) Education Service Development Co., Ltd.	-

SK hynix (Wuxi) Education Technology Co., Ltd.	-

SK hynix (Wuxi) Industry Development Ltd.	-

SK hynix (Wuxi) Investment Ltd.	-

SK hynix (Wuxi) Semiconductor Sales Ltd.	-

SK hynix America Inc.	-

SK hynix Asia Pte.Ltd.	-

SK hynix cleaning(Wuxi) Ltd.	-

SK hynix Deutschland GmbH	-

SK hynix Happiness (Wuxi) Hospital Management Ltd.	-

SK hynix Italy S.r.l	-

SK hynix Japan Inc.	-

SK hynix memory solutions America, Inc.	-

SK hynix memory solutions Eastern Europe, LLC.	-

SK hynix memory solutions Taiwan, Inc.	-

SK hynix NAND Product Solutions (Beijing) Co., Ltd.	-

SK Hynix NAND Product Solutions (Shanghai) Co., Ltd.	-

SK hynix NAND Product Solutions Asia Pacific LLC	-

SK hynix NAND Product Solutions Canada Ltd.	-

SK hynix NAND Product Solutions Corp.	-

SK hynix NAND Product Solutions International LLC	-

SK hynix NAND Product Solutions Israel Ltd.	-

SK hynix NAND Product Solutions Japan G.K.	-

SK hynix NAND Product Solutions Malaysia Sdn. Bhd.	-

SK hynix NAND Product Solutions Mexico, S. DE R.L. DE C.V.	-

SK hynix NAND Product Solutions Poland sp. Z o.o.	-

SK hynix NAND Product Solutions Singapore Pte. Ltd.	-

SK hynix NAND Product Solutions Taiwan Co., Ltd.	-

SK hynix NAND Product Solutions UK Limited	-

SK hynix Semiconductor (China) Ltd.	-

SK hynix Semiconductor (Chongqing) Ltd.	-

SK hynix Semiconductor (Dalian) Co., Ltd.	-

SK hynix Semiconductor (Shanghai) Co.,Ltd.	-

SK hynix Semiconductor Hong Kong Ltd.	-

SK hynix Semiconductor India Private Ltd.	-

SK hynix Semiconductor Taiwan Inc.	-

SK hynix U.K. Ltd.	-

SK hynix Ventures America LLC	-

SK hynix Ventures Hong Kong Limited	-

Hystars Semiconductor (Wuxi) Co., Ltd	-

SK hynix system ic (Wuxi) Co., Ltd	-

SkyHigh Memory Limited Japan	-

SkyHigh Memory China Limited	-

SkyHigh Memory Limited	-

FSK L (Jiangsu) Co., Ltd.	-

FSK L (Shanghai) Co., Ltd.	-

FSK L Hungary Kft.	-

FSK L VIETNAM COMPANY LIMITED	-

FSK L USA, Inc.	-

ONESTORE GLOBAL PTE.LTD.	-

PHILKO UBINS LTD. CORP.	-

CHONGQING HAPPYNARAE Co., Ltd.	-

HAPPYNARAE AMERICA LLC.	-

HAPPYNARAE HUNGARY KFT.	-

SUZHOU HAPPYNARAE Co., Ltd.	-

SK bioscience USA, Inc.	-

KEY FOUNDRY, INC.	-

KEY FOUNDRY SHANGHAI CO., LTD	-

KEY FOUNDRY, LTD	-

주1) '23.1.2일자로 에스케이마이크로웍스㈜, 진도산월태양광발전㈜, 캐스트닷에라유한책임회사 계열 편입주2) '23.2.1일자로 의성황학산풍력발전㈜, 제이에스원㈜ 계열 편입주3) '23.2.15일자로 SK텔레시스㈜ 계열 제외 주4) SKC솔믹스㈜는 '23.1.2일자로 SK엔펄스㈜로 사명 변경주5) 삼강M '23.2.1일자로 SK오션플랜트㈜로 사명 변경 주6) SKC하이테크앤마케팅㈜는 '23.1.6일자로 SK마이크로웍스솔루션즈㈜로 사명 변경주7) 해외계열회사는 비상장사로 분류함

(*) 사명 변경 : SK㈜ (舊 SK C), 엔티스㈜ (舊 SK사이텍㈜), 파주에너지서비스㈜ (舊 피엠피㈜), SK엠앤서비스㈜ (舊 엠앤서비스㈜), SK매직서비스㈜ (舊 매직서비스㈜), SK디스커버리㈜ (舊 SK케미칼㈜), SKC하이테크앤마케팅㈜ (舊 SKC하이테크앤마케팅(유)), SK렌터카서비스㈜ (舊 카라이프서비스㈜), ㈜드림어스컴퍼니 (舊 ㈜아이리버), SK오앤에스㈜ (舊 네트웍오앤에스㈜), 울산GPS㈜ (舊 당진에코파워㈜), SK렌터카 (舊 AJ렌터카㈜), 당진에코파워㈜ (舊 당진에코태양광발전㈜), 나래에너지서비스㈜ (舊 위례에너지서비스㈜), SK넥실리스 (舊 케이씨에프테크놀로지스㈜), 디앤디프라퍼티매니지먼트㈜ (舊 비앤엠개발㈜), SK머티리얼즈퍼포먼스㈜ (舊 SK퍼포먼스머티리얼즈㈜), SK머티리얼즈에어플러스 (舊 SK에어가스㈜), SK머티리얼즈리뉴텍㈜ (舊 ㈜한유케미칼), SK에코플랜트㈜ (舊 SK건설㈜), SK지오센트릭㈜ (舊 SK종합화학㈜), SK쉴더스㈜ (舊 ㈜ADT캡스), SK에코엔지니어링㈜ (舊 BLH엔지니어링㈜), SK머티리얼즈홀딩스㈜ (舊 SK머티리얼즈㈜), SK플러그하이버스㈜ (舊 ㈜해일로하이드로젠), SK피유코어㈜ (舊 미쓰이케미칼앤드에스케이씨폴리우레탄㈜), SK스페셜티㈜ (舊 SK머티리얼즈㈜), 디앤디프라퍼티솔루션㈜ (舊 디앤디리빙솔루션㈜), SK엔무브㈜ (舊 SK루브리컨츠㈜), SK레조낙㈜ (舊 SK쇼와덴코㈜)