S(Social)

    Scope of Reporting

    Indicators are applied to the following worksites, by reporting year:

    - 2022 : POSCO, 3 integrated steel mills
      · POSCO, PT. KRAKATAU POSCO, POSCO YAMATO VINA, and POSCO Zhangjiagang Stainless

    - 2023 : POSCO, 3 integrated steel mills, 2 re-rolling mills
      · POSCO, PT. KRAKATAU POSCO, POSCO YAMATO VINA, and POSCO Zhangjiagang Stainless
      · POSCO-Maharashtra and POSCO Thainox (newly added)

    - 2024 : POSCO, 3 integrated steel mills, 4 re-rolling mills, 4 processing centers
      · POSCO, PT. KRAKATAU POSCO, POSCO YAMATO VINA, POSCO Zhangjiagang Stainless, POSCO-Maharashtra, and POSCO Thainox
      · POSCO-Mexico, POSCO-Vietnam, POSCO-CSPC, POSCO-CFPC, POSCO-MPPC, and POSCO India PC (newly added)

    Domestic Worksites

    Work-Related Accident

    Work-Related Accident Unit 2022 2023 2024
    Lost Time Injury Rate (LTIR) Person/200,000 hours 0.19 0.07 0.17
    Employee LTIR Person/200,000 hours 0.11 0.03 0.19
    Contractor LTIR Person/200,000 hours 0.25 0.10 0.14
    Lost Time Injury Frequency Rate (LTIFR) Person/1,000,000 hours 0.93 0.35 0.83
    Employee LTIFR Person/1,000,000 hours 0.56 0.17 0.94
    Contractor LTIFR Person/1,000,000 hours 1.26 0.50 0.72
    Total Recordable Injury Rate (TRIR) Person/200,000 hours 0.35 0.34 0.36
    Employee TRIR Person/200,000 hours 0.27 0.35 0.39
    Contractor TRIR Person/200,000 hours 0.41 0.32 0.33
    Total Recordable Injury Frequency Rate (TRIFR) Person/1,000,000 hours 1.73 1.67 1.81
    Employee TRIFR Person/1,000,000 hours 1.37 1.76 1.96
    Contractor TRIFR Person/1,000,000 hours 2.06 1.60 1.65
    Fatality rate per 10,000 workers ‱ 0.30 0.00 0.00
    Employee fatality rate per 10,000 workers ‱ 0.00 0.00 0.00
    Contractor fatality rate per 10,000 workers
    		 ‱ 0.63 0.00 0.00
    Employee accidents
    Number of employee Lost Time Injuries (LTI) Person 20 6 33
    Number of employee Total Recordable Injuries (TRI) Person 49 62 69
    Number of employee Fatalities Person 0 0 0
    Number of employee Injuries Person 14 4 25
    Number of employee Near Misses 1) Case 6,408 5,983 4,568
    Contractor accidents
    Number of contractor Lost Time Injuries (LTI) Person 50 20 26
    Number of contractor Total Recordable Injuries (TRI) Person 82 64 60
    Number of contractor Fatalities Person 1 0 0
    Number of contractor Injuries Person 30 16 23
    Number of contractor Near Misses 1) Case 289 276 347

    1)Adjustment of 2022 and 2023 data due to differences in the timing of data retrieval

    OHSMS Certification

    OHSMS Certification(Occupational Health and Safety Management System,
    ISO 45001 or OHSAS 18001 or KOSHA-MS)    		 Unit 2022 2023 2024
    Percentage of worksites with OHSMS certification % 100 100 100
    Worksites requiring OHSMS certification Site 2 2 2
    Certified worksites with OHSMS Site 2 2 2

    Supply Chain Management

    Supply Chain Management Unit 2022 2023 2024
    Percentage of suppliers evaluated (SRM evaluations) % 83.9 82.0 88.0
    Number of suppliers Count 1,408 1,380 1,321
    Number of suppliers evaluated Count 1,182 1,132 1,162

    Employee Status

    Employee Status Unit 2022 2023 2024
    Total number of employees Person 18,122 17,985 17,919
    Executive level 1) Person 67 67 65
    By gender
    Male Person 66 63 63
    Female Person 1 4 2
    Percentage of female % 1.5 6.0 3.1
    By age group
    Under 30 years old Person 0 0 0
    30-50 years old Person 0 0 0
    Over 50 years old Person 67 67 65
    By region
    South Korea Person 67 65 63
    Asia (excluding South Korea) Person 0 2 2
    North America Person 0 0 0
    Latin America Person 0 0 0
    Europe Person 0 0 0
    Other regions Person 0 0 0
    Employees excluding executive level 1) Person 18,055 17,918 17,854
    By gender
    Male Person 17,046 16,918 16,841
    Female Person 1,009 1,000 1,013
    Percentage of female % 5.6 5.6 5.7
    By age group
    Under 30 years old Person 3,035 3,241 3,139
    30-50 years old Person 7,353 7,472 7,873
    Over 50 years old Person 7,667 7,205 6,842
    By region
    South Korea Person 17,628 17,519 17,442
    Asia (excluding South Korea) Person 320 306 305
    North America Person 53 39 42
    Latin America Person 13 17 29
    Europe Person 35 25 26
    Other regions Person 6 12 10
    Managers
    (among employees excluding executive level) 2)    		 Person 4,069 4,043 4,094
    By gender
    Male Person 3,998 3,972 4,013
    Female Person 71 71 81
    Percentage of female % 1.75 1.76 2.0
    By age group
    Under 30 years old Person 1 2 3
    30-50 years old Person 1,191 1,363 1,650
    Over 50 years old Person 2,877 2,678 2,441
    By region
    South Korea Person 3,887 3,864 3,906
    Asia (excluding South Korea) Person 135 138 142
    North America Person 17 15 17
    Latin America Person 10 11 13
    Europe Person 18 11 13
    Other regions Person 2 4 3
    Permanent employees Person 17,107 16,926 16,784
    By gender
    Male Person 16,147 15,970 15,817
    Female Person 960 956 967
    Percentage of female % 5.6 5.7 5.8
    By region
    South Korea Person 16,688 16,535 16,373
    Asia (excluding South Korea) Person 315 300 304
    North America Person 51 38 42
    Latin America Person 13 16 29
    Europe Person 34 25 26
    Other regions Person 6 12 10
    Percentage of permanent employees % 94.4 94.1 93.7
    Contingent employees Person 1,007 1,052 1,129
    By gender
    Male Person 957 1,004 1,081
    Female Person 50 48 48
    Percentage of female % 5.0 4.6 4.3
    By region
    South Korea Person 996 1,042 1,126
    Asia (excluding South Korea) Person 7 8 3
    North America Person 2 1 0
    Latin America Person 0 1 0
    Europe Person 2 0 0
    Other regions Person 0 0 0
    Percentage of contingent employees % 5.6 5.9 6.3

    1)Includes both registered and non-registered executives; figures may differ from the "Matters Related to Executives and Employees, etc." section of the Annual Report

    2)2022 and 2023 data adjusted to correct aggregation errors (including subordinated items)

    New Hire

    New Hire Unit 2022 2023 2024
    Number of new employee hires 1) Person 1,669 1,511 1,535
    By gender
    Male Person 1,580 1,452 1,447
    Female Person 89 59 88
    Percentage of female % 5.3 3.9 5.7
    By age group
    Under 30 years old Person 731 772 943
    30-50 years old Person 283 211 211
    Over 50 years old Person 655 528 381

    1)2022 and 2023 data adjusted to reflect a change in the aggregation method (including subordinated items)

    Turnover

    Turnover Unit 2022 2023 2024
    Number of turnover 1) Person 1,524 1,281 1,476
    Turnover rate % 8.4 7.1 8.2
    Number of voluntary turnover Person 528 348 405
    Male Person
    		 479 326 375
    Female Person
    		 49 22 30
    Voluntary turnover rate % 2.9 1.9 2.3
    Number of involuntary turnover Person
    		 996 933 1,071
    Retirement by age Person
    		 588 519 559
    Redundancy Person
    		 0 0 0
    Others Person
    		 408 414 512

    1)2022 and 2023 data adjusted to reflect a change in the aggregation method (including subordinated items)

    Evaluation

    Evaluation Unit 2022 2023 2024
    Number of employees' performance evaluations Person 15,300 15,663 15,524
    By gender
    Male Person 14,464 14,795 14,656
    Female Person 836 868 868
    By contract
    Permanent employees Person 15,137 15,492 15,360
    Contingent employees Person 163 171 164

    Training

    Training Unit 2022 2023 2024
    Total employee training Hour 1,769,947 1,808,072 1,980,562
    Male Hour - - 1,904,813
    Female Hour
    		 - - 75,749
    Average hours of training per employee Hour
    		 98 101 111
    By gender
    Male Hour
    		 - - 113
    Female Hour
    		 - - 75
    By position
    Executive Hour
    		 - - 154
    Manager Hour
    		 - - 125
    General staff Hour
    		 - - 106
    Training expenses KRW million 22,938 31,934 32,500
    Average training expenses per employee KRW million
    /Person    		 1.3 1.8 1.8
    Number of employees trained on occupational safety 1) Person 73,964 82,366 54,602
    Number of employees trained on information security Person 17,180 17,073 17,260
    Permanent employees Person 16,158 15,980 15,876
    Contingent employees Person 1,022 1,093 1,384
    Total hours of employees trained on information security Hour 24,338 14,228 12,945

    1)Number of trained employees includes duplicates, as the calculation is based on completion of mandatory trainings

    Diversity and Inclusion

    Diversity and Inclusion Unit 2022 2023 2024
    Employees with disabilities 1) Person 565 580 651
    Employees entitled to veterans benefits Person 738 705 710

    1)Based on Article 28-3, Special Provision for Calculating the Number of Employees with Disabilities, of the Act on the Employment Promotion and Vocational Rehabilitation of Persons with Disabilities

    Family-Friendly Practices

    Family-Friendly Practices Unit 2022 2023 2024
    Number of employees who utilized family-friendly programs Person 950 965 1,064
    Employees who took parental leave 1) Person
    		 242 260 293
    Male Person 133 156 186
    Female Person
    		 109 104 107
    Employees returning from parental leave and staying over 12 months Person
    		 102 120 143
    Male Person
    		 41 58 91
    Female Person
    		 61 62 52
    Employees who took fertility treatment leave Person 81 111 109
    Employees under flexible work program 2) Person 4,887 7,129 11,618

    1)Refers to employees who took parental leave at least once during the year (figures may differ from those in the annual report); 2022 data adjusted to correct aggregation errors (including subordinated items)

    2)2022 and 2023 data adjusted to reflect a change in the aggregation method; 2023 and 2024 data may differ from the annual report due to aggregation errors in the annual report

    Labor Relations

    Labor Relations Unit 2022 2023 2024
    Percentage of employees covered by collective bargaining agreements % 100 100 100
    Number of lockouts due to strikes Time 0 0 0

    Social Contribution

    Social Contribution Unit 2022 2023 2024
    Hours spent on voluntary work 1) Hour 343,039 398,174 390,081
    Social contribution expenses 2) KRW million 54,257 55,128 52,425

    1)2022 and 2023 data adjusted to reflect a change in the aggregation method

    2)2023 data adjusted to correct aggregation errors

    QMS Certification

    QMS Certification
    (Quality Management System, ISO 9001 or IATF 16949)    		 Unit 2022 2023 2024
    Percentage of worksites with QMS certification % 100 100 100
    Worksites requiring QMS certification Site 2 2 2
    Certified worksites with QMS Site 2 2 2

    Domestic and Overseas Subsidiaries

    Work-Related Accident (Domestic&Overseas)

    Work-Related Accident Unit 2022 2023 2024
    POSCO Integrated
    Mill    		 POSCO Integrated
    Mill
    		 Re-Rolling
    Mill    		 POSCO Integrated
    Mill
    		 Re-Rolling Mill,
    Processing Center
    Lost Time Injury Rate (LTIR) Person/
    200,000 hours    		 0.19 0.02 0.07 0.02 0.03 0.17 0.04 0.04
    Employee LTIR Person/
    200,000 hours    		 0.11 0.04 0.03 0.02 0.00 0.19 0.05 0.05
    Contractor LTIR Person/
    200,000 hours
    		 0.25 0.00 0.10 0.03 0.05 0.14 0.03 0.03
    Lost Time Injury Frequency Rate (LTIFR)
    		 Person/
    1,000,000 hours
    		 0.93 0.08 0.35 0.12 0.13 0.83 0.19 0.20
    Employee LTIFR
    		 Person/
    1,000,000 hours
    		 0.56 0.19 0.17 0.09 0.00 0.94 0.27 0.24
    Contractor LTIFR
    		 Person/
    1,000,000 hours
    		 1.26 0.00 0.50 0.14 0.26 0.72 0.13 0.14
    Total Recordable Injury Rate (TRIR) Person/
    200,000 hours
    		 0.35 0.03 0.33 0.06 0.16 0.36 0.09 0.35
    Employee TRIR Person/
    200,000 hours
    		 0.27 0.08 0.35 0.07 0.17 0.39 0.09 0.41
    Contractor TRIR Person/
    200,000 hours
    		 0.41 0.00 0.32 0.06 0.15 0.33 0.09 0.29
    Total Recordable Injury Frequency Rate (TRIFR) Person/
    1,000,000 hours
    		 1.73 0.17 1.67 0.31 0.80 1.81 0.46 1.77
    Employee TRIFR Person/
    1,000,000 hours
    		 1.37 0.38 1.76 0.36 0.84 1.96 0.45 2.06
    Contractor TRIFR Person/
    1,000,000 hours
    		 2.06 0.00 1.59 0.28 0.77 1.65 0.46 1.43
    Fatality rate per 10,000 workers ‱ 0.29 0.00 0.00 0.00 0.00 0.00 0.00 0.00
    Employee fatality rate per 10,000 workers ‱ 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
    Contractor fatality rate per 10,000 workers ‱ 0.63 0.00 0.00 0.00 0.00 0.00 0.00 0.00
    Employee accidents
    Number of employee Lost Time Injuries (LTI) Person 20 2 6 1 0 33 3 2
    Number of employee Total Recordable Injuries (TRI) Person
    		 49 4 62 4 3 69 5 17
    Number of employee Fatalities Person
    		 0 0 0 0 0 0 0 0
    Number of employee Injuries Person
    		 14 0 4 1 0 25 3 1
    Contractor accidents
    Number of contractor Lost Time Injuries (LTI) Person
    		 50 0 20 2 1 26 2 1
    Number of contractor Total Recordable Injuries (TRI) Person
    		 82 0 64 4 3 60 7 10
    Number of contractor Fatalities Person
    		 1 0 0 0 0 0 0 0
    Number of contractor Injuries Person
    		 30 0 16 2 1 23 2 0

    OHSMS Certification (Domestic&Overseas)

    OHSMS Certification
    (Occupational Health and Safety
    Management System, ISO 45001 or
    OHSAS 18001 or KOSHA-MS)    		 Unit 2022 2023 2024
    POSCO Integrated
    Mill    		 POSCO
    		 Integrated
    Mill
    		 Re-Rolling
    Mill    		 POSCO
    		 Integrated
    Mill
    		 Re-Rolling Mill,
    Processing Center
    Percentage of worksites with
    OHSMS certification    		 % 100 100 100 100 100 100 100 93
    Worksites requiring
    OHSMS certification    		 Site 2 3 2 3 2 2 3 14
    Certified worksites with OHSMS Site 2 3 2 3 2 2 3 13

    Employee Status (Domestic&Overseas)

    Employee Status 1) Unit 2022 2023 2024
    POSCO Integrated
    Mill    		 POSCO Integrated
    Mill    		 Re-Rolling
    Mill    		 POSCO Integrated
    Mill    		 Re-Rolling Mill,
    Processing Center
    Total number of employees Person 18,122 5,059 17,985 5,030 1,323 17,919 4,982 3,668
    Executive level 2) Person
    		 67 6 67 6 5 65 5 6
    By gender
    Male Person 66 6 63 6 5 63 5 6
    Female Person
    		 1 0 4 0 0 2 0 0
    Percentage of female % 1.5 0.0 6.0 0.0 0.0 3.1 0.0 0.0
    By age group
    Under 30 years old Person
    		 0 0 0 0 0 0 0 0
    30-50 years old Person
    		 0 1 0 1 2 0 1 3
    Over 50 years old Person
    		 67 5 67 5 3 65 4 3
    Employees excluding executive level Person 18,055 5,053 17,918 5,024 1,318 17,854 4,977 3,662
    By gender
    Male Person
    		 17,046 4,649 16,918 4,623 1,198 16,841 4,572 3,084
    Female Person
    		 1,009 404 1,000 401 120 1,013 405 578
    Percentage of female % 5.6 8.0 5.6 8.0 9.1 5.7 8.1 15.8
    By age group
    Under 30 years old Person
    		 3,035 1,583 3,241 1,270 253 3,139 896 696
    30-50 years old Person
    		 7,353 3,229 7,472 3,502 881 7,873 3,859 2,699
    Over 50 years old Person
    		 7,667 241 7,205 252 184 6,842 222 267
    Managers (among employees excluding executive level) Person 4,069 404 4,043 411 189 4,094 414 719
    By gender
    Male Person
    		 3,998 360 3,972 368 170 4,013 369 614
    Female Person
    		 71 44 71 43 19 81 45 105
    Percentage of female % 1.7 10.9 1.8 10.5 10.1 2.0 10.9 14.6
    By age group
    Under 30 years old Person
    		 1 12 2 6 0 3 7 4
    30-50 years old Person
    		 1,191 348 1,363 365 122 1,650 365 617
    Over 50 years old Person
    		 2,877 44 2,678 40 67 2,441 42 98
    Permanent employees Person 17,107 4,686 16,926 4,636 1,305 16,784 4,528 3,486
    By gender
    Male Person
    		 16,147 4,337 15,970 4,291 1,185 15,817 4,184 2,943
    Female Person
    		 960 349 956 345 120 967 344 543
    Percentage of female % 5.6 7.4 5.6 7.4 9.2 5.8 7.6 15.6
    Percentage of permanent
       employees    		 % 94.4 92.6 94.1 92.2 99.0 93.7 90.9 95.2
    Contingent employees Person 1,007 373 1,052 394 13 1,129 452 177
    By gender
    Male Person
    		 957 319 1,004 338 13 1,081 391 142
    Female Person
    		 50 55 48 56 0 48 61 35
    Percentage of female % 5.0 14.7 4.6 14.2 0.0 4.3 13.5 19.8
    Percentage of contingent
       employees    		 % 5.6 7.4 5.9 7.8 1.0 6.3 9.1 4.8

    1)2022 and 2023 data adjusted to correct aggregation errors (including subordinated items)

    2)Includes both registered and non-registered executives

    New Hire (Domestic&Overseas)

    New Hire Unit 2022 2023 2024
    POSCO Integrated
    Mill    		 POSCO Integrated
    Mill    		 Re-Rolling
    Mill    		 POSCO Integrated
    Mill    		 Re-Rolling Mill,
    Processing Center
    Number of new employee hires 1) Person 1,669 327 1,511 211 82 1,535 180 273
    By gender
    Male Person 1,580 278 1,452 182 78 1,447 138 219
    Female Person
    		 89 49 59 29 4 88 42 54
    Percentage of female % 5.3 15.0 3.9 13.7 4.9 5.7 23.3 19.8
    By age group
    Under 30 years old Person
    		 731 264 772 117 48 943 122 155
    30-50 years old Person
    		 283 41 211 65 30 211 45 114
    Over 50 years old Person
    		 655 22 528 29 4 381 13 4

    1)2022 and 2023 data adjusted to reflect a change in the aggregation method (including subordinated items)

    Turnover (Domestic&Overseas)

    Turnover Unit 2022 2023 2024
    POSCO Integrated
    Mill    		 POSCO Integrated
    Mill    		 Re-Rolling
    Mill    		 POSCO Integrated
    Mill    		 Re-Rolling Mill,
    Processing Center
    Number of turnover 1) Person 1,524 244 1,281 253 70 1,476 237 377
    Turnover rate % 8.4 4.8 7.1 5.0 5.3 8.2 4.8 10.3
    Number of voluntary turnover Person 528 226 348 225 65 405 162 213
    Male Person
    		 479 188 326 198 59 375 138 180
    Female Person
    		 49 38 22 27 6 30 24 33
    Voluntary turnover rate % 2.9 4.5 1.9 4.5 4.9 2.3 3.3 5.8
    Number of involuntary turnover Person
    		 996 18 933 28 5 1,071 75 164
    Retirement by age Person
    		 588 10 519 14 4 559 7 11
    Redundancy Person
    		 0 4 0 11 0 0 0 3
    Others Person
    		 408 4 414 3 1 512 68 150

    1)2022 and 2023 data adjusted to reflect a change in the aggregation method (including subordinated items)

    QMS Certification (Domestic&Overseas)

    QMS Certification
    (Quality Management System,
    ISO 9001 or IATF 16949)    		 Unit 2022 2023 2024
    POSCO Integrated
    Mill    		 POSCO
    		 Integrated
    Mill
    		 Re-Rolling
    Mill    		 POSCO
    		 Integrated
    Mill
    		 Re-Rolling Mill,
    Processing Center
    Percentage of worksites with
    QMS certification    		 % 100 100 100 100 100 100 100 100
    Worksites requiring
    QMS certification    		 Site 2 3 2 3 2 2 3 14
    Certified worksites with QMS Site 2 3 2 3 2 2 3 14