Classification

Unit

2023

2024

2025

Employees

Total

Person

472

485

502

Regular

Person

425

459

472

Short-term Contract

Person

47

26

30

By gender (Regular)

Male

Person

357

387

405

Female

Person

68

72

67

Ratio of Female

%

16.0

15.7

14.2

By age (Regular)

Under 30

Person

66

74

85

Between 30 – 50

Person

337

366

356

Above 50

Person

22

19

31

Employees in STEM (Regular)

Total

Person

160

172

Female Employees in STEM

Person

5

5

Ratio of Female Employees in STEM

%

3.1

2.9

Employees in Revenue-Generating Departments

Total

Person

406

417

Female Employees

Person

61

56

Ratio of Female Employees in
Revenue-Generating Departments

%

15.0

13.4

Local Hires

Person

106

195

209

Classification

Unit

2023

2024

2025

Executive

Female

Person

-

-

-

Male

Person

25

23

30

Ratio of Female Executives

%

-

-

-

Manager

Female

Person

3

3

3

Male

Person

44

44

44

Non-manager

Female

Person

65

69

65

Male

Person

288

320

337

Ratio of Female Managers

%

6.4

6.4

6.4

Social Minorities

Total

Person

9

14

19

Employees with Disabilities

Person

8

6

9

Elderly Employees (55 years and older)

Person

6

9

Foreign Employees

Person

1

2

1

Employees of National Merit

Person

-

-

-

Ratio of Employees with Disabilities

%

1.7

1.2

1.9

Ratio of Elderly Employees (55 years and older)

%

1.2

1.9

Ratio of Foreign Employees

%

0.2

0.4

0.2

Ratio of Employees of National Merit

%

-

-

-

Classification

Unit

2023

2024

2025

Gender Pay Gap

%

35.1

33.5

32.7

Average Salary of Male

KRW

54,919,573

58,690,875

62,163,290

Average Salary of Female

KRW

35,667,271

39,019,889

41,856,131

Classification

Unit

2023

2024

2025

Maternity Leave

Used Maternity Leave

Person

2

-

1

Returning After Maternity Leave

Person

2

-

-

Ratio of Returning After Maternity Leave

%

100

-

-

Parental Leave

Total

Person

13

7

8

Male

Person

11

6

7

Female

Person

2

1

1

Parental Leave Usage Rate (Total)

%

65

67

67

Parental Leave Usage Rate (Male)

%

61

-

64

Parental Leave Usage Rate (Female)

%

100

78

100

Parental Leave Return Rate

%

55.6

84.6

40.0

Employees Who Returned to Work After Parental Leave

Total

Person

5

13

2

Male

Person

3

10

2

Female

Person

2

3

-

Employees Remaining Employed for 12 Months or More After Returning from Parental Leave in the Previous Year

Total

Person

1

3

7

Male

Person

1

3

5

Female

Person

-

-

2

Number of Employees Using Spouse Paternity Leave

Person

18

11

13

Classification

Unit

2023

2024

2025

Number of Employees with Performance Evaluations

Person

362

363

395

Ratio of Employees Who Performance Evaluations

%

85

75

78

Classification

Unit

2023

2024

2025

New Hires

Total

Person

39

91

74

Male

Person

38

88

71

Female

Person

1

3

3

Under 30

Person

18

40

35

Between 30 – 50

Person

20

51

37

Above 50

Person

1

0

2

Turnover

Total

Person

52

68

101

Voluntary Turnover

Person

52

68

101

Involuntary Turnover

Person

-

-

-

Turnover rate

Total Turnover rate

%

12.2

14.8

21.4

Voluntary Turnover Rate

%

12.2

14.8

21.4

Involuntary Turnover Rate

%

-

-

-

Classification

Unit

2023

2024

2025

Average Employee Tenure (Regular)

Year

7.1

7.3

7.3

Employees with over 5 Years of Service

Person

207

223

231

Ratio of Employees with over 5 Years of Service

%

44

46

45

Employees with over 12 months of service

Person

26

81

70

Classification

Unit

2023

2024

2025

Employee Engagement

Points

80

78

Employee Engagement Survey Respondents

Person

69

66

Engaged Employees

Person

86

75

Classification

Unit

2023

2024

2025

Total Welfare Benefit Costs

1000 KRW

625,330

695,026

769,048

Average Welfare Benefit Costs Per Person

1000 KRW

1,325

1,433

1,517

Employees on Flextime

Person

380

405

430

Working Hours
(Regular)

Total

Hour

881,450

872,046

917,764

Annual Working Hours Per Person

Hour

2,074

1,900

1,916

Average Daily Working Hours Per Person

Hour

8

8

8

Classification

Unit

2023

2024

2025

Human Rights Due Diligence

Assessed Sites

Site

1

1

Ratio of Assessed Sites

%

100

100

Human Rights Due Diligence Survey

Assessed Sites

Site

27

27

Ratio of Assessed Sites

%

11

10

Human Rights Issues

Number of Incidents of Child Labor, Forced Labor, and Human Trafficking

Case

-

-

Number of Supplier Incidents of Child Labor, Forced Labor, and Human Trafficking

Case

-

-

Classification

Unit

2023

2024

2025

Number of Employees Covered by the System

Person

472

485

502

Ratio of Employees Covered by the System

%

100

100

100

Number of Non-employee Workers Covered by the System

Person

9

9

10

Ratio of Non-employee Workers Covered by the System

%

100

100

100

Classification

Unit

2023

2024

2025

Safety

Occupational Accident Rate

%

-

0.210

-

Number of Injuries

Case

-

1

-

Number of Fatalities

Case

-

-

-

LTIFR

Cases /
Million Hours Worked

-

1.1467

-

Number of Deaths due to Non-occupational Illness

Case

-

-

-

Number of Deaths due to Non-occupational Illness (Non-employees)

Case

-

-

-

Number of Non-conformities Identified in Risk Assessments

Case

34

27

Number of Improvement Measures from Risk Assessments

Case

34

27

Health

Number of Employees Receiving Health Counseling

Person

84

99

91

Aftercare

Person

84

99

91

Classification

Unit

2023

2024

2025

Social Contribution - Donations

1000 KRW

15,250

22,250

25,500

Number of volunteers

Person

-

-

22

Classification

Unit

2023

2024

2025

Suppliers

Total

Suppliers

246

251

  Number of Suppliers Covered by the Code of Conduct

Suppliers

42

73

   Supplier Code of Conduct Coverage Rate

%

17

29

Key Suppliers

Total

Suppliers

32

68

    Number of Key Suppliers Covered by the Code of Conduct

Suppliers

9

14

    Key Suppliers Code of Conduct Coverage Rate

%

28

21

Supplier Spend

Total

Mil. KRW

773,383

910,404

Spend with General Suppliers

Mil. KRW

254,854

148.544

Spend with Key Suppliers

Mil. KRW

518,529

761,860

Proportion of Spend with General Suppliers

%

33

16

Proportion of Spend with Key Suppliers

%

67

84

Classification

Unit

2023

2024

2025

Number of Conformant Smelters

Tin

Site

57

169

Tantalum

Site

32

94

Tungsten

Site

33

111

Gold

Site

81

202

Classification

Unit

2023

2024

2025

Gender Pay Gap

%

19.5

17.6

8.0

Average Salary of Male

VND

12,915,000

13,644,000

Average Salary of Female

VND

10,641,000

12,556,000

Classification

Unit

2023

2024

2025

Maternity Leave

Used Maternity Leave

Person

347

281

Returning After Maternity Leave

Person

320

252

Ratio of Returning After Maternity Leave

%

92

90

Classification

Unit

2023

2024

2025

Number of Employees with Performance Evaluations

Person

544

544

570

Ratio of Employees Who Performance Evaluations

%

13

13

13

Classification

Unit

2023

2024

2025

New Hires

Total

Person

1,600

3,229

Male

Person

696

1,816

Female

Person

904

1,413

Under 30

Person

1,107

2,196

Between 30 – 50

Person

483

1,021

Above 50

Person

5

12

Turnover

Total

Person

1,814

2,750

Voluntary Turnover

Person

332

1,986

Involuntary Turnover

Person

1,482

764

Turnover rate

Total Turnover rate

%

46

64

Voluntary Turnover Rate

%

8

46

Involuntary Turnover Rate

%

38

18

Classification

Unit

2023

2024

2025

Average Employee Tenure (Regular)

Year

4

4

Employees with over 5 Years of Service

Person

1,413

1,883

Ratio of Employees with over 5 Years of Service

%

36

44

Employees with over 12 months of service

Person

3,093

2,570

Classification

Unit

2023

2024

2025

Employee Engagement

Points

72

70

Employee Engagement Survey Respondents

Person

2,790

3,010

Engaged Employees

Person

3,860

4,293

Classification

Unit

2023

2024

2025

Total Welfare Benefit Costs

1000 VND

33,247,586

33,640,191

Average Welfare Benefit Costs Per Person

1000 VND

4,083

7,836

Working Hours
(Regular)

Total

Hour

4,421,768

4,870,656

4,297,329

Annual Working Hours Per Person

Hour

2,074

2,416

2,073

Average Daily Working Hours Per Person

Hour

8

8

8

Classification

Unit

2023

2024

2025

Job Training

Training Hours

Hour

116,556

62,736

68,688

Number of Participants

Person

4,130

3,921

4,293

Training Hours Per Employee

Hour/Person

17.2

16.0

16.0

Training Costs

VND

176,932,282

483,000,000

533,974,028

Training Costs Per Employee

VND/Person

26,123

123,182

124,382

Employee Training Participation Rate

%

100

100

100

Sexual Harassment Prevention Training

Training Hours

Hour

4,130

3,921

4,293

Number of Participants

Person

4,130

3,921

4,293

Employee Training Participation Rate

%

100

100

100

Training on Prevention of Harassment of Persons with Disabilities

Training Hours

Hour

4,130

3,921

4,293

Number of Participants

Person

4,130

3,921

4,293

Employee Training Participation Rate

%

100

100

100

Human Rights Training

Training Hours

Hour

12,390

11,763

12,879

Number of Participants

Person

4,130

3,921

4,293

Employee Training Participation Rate

%

100

100

100

Information Security Training

Training Hours

Hour

4,130

3,921

4,293

Number of Participants

Person

4,130

3,921

4,293

Employee Training Participation Rate

%

100

100

100

ESG / Ethics Training

Training Hours

Hour

4,130

3,921

4,293

Number of Participants

Person

4,130

3,921

4,293

Employee Training Participation Rate

%

100

100

100

Safety Training

Safety Training Hours

Hour

70,332

52,884

44,217

Number of Participants

Person

6,894

5,146

4,293

Classification

Unit

2023

2024

2025

Labor Union

Unionized Employees

Person

3,915

3,763

4,249

Union Membership Rate

%

96.4

96.5

99.0

Number of Collective Bargaining Agreements

Session

2

2

2

Human Rights-related Reports^*

Total

Case

-

-

-

Cases of Abuse

Case

-

-

-

Cases of Sexual Harassment

Case

-

-

-

Cases of Workplace Harassment

Case

-

-

-

Cases of Safety Accidents

Case

-

-

-

Handling of Human Rights-
related Reports

Total

Case

-

-

-

Cases of Abuse

Case

-

-

-

Cases of Sexual Harassment

Case

-

-

-

Cases of Workplace Harassment

Case

-

-

-

Cases of Safety Accidents

Case

-

-

-

Classification

Unit

2023

2024

2025

Human Rights Due Diligence

Assessed Sites

Site

1

1

1

Ratio of Assessed Sites

%

100

100

100

Human Rights Issues

Number of Incidents of Child Labor, Forced Labor, and Human Trafficking

Case

-

-

-

Classification

Unit

2023

2024

2025

Number of Employees Covered by the System (Regular)

Person

2,132

2,016

2,073

Ratio of Employees Covered by the System (Regular)

%

100

100

100

Number of Non-employee Workers Covered by the System

Person

75

75

-

Ratio of Non-employee Workers Covered by the System

%

100

100

-

Classification

Unit

2023

2024

2025

Occupational Accident Rate

%

0.07

0.03

-

Number of Injuries

Case

3

1

-

Number of Fatalities

Case

-

-

-

LTIFR

Cases /
Million Hours Worked

0.29

0.10

-

Number of Deaths due to Non-occupational Illness

Case

-

-

-

Number of Deaths due to Non-occupational Illness (Non-employees)

Case

-

-

-

Classification

Unit

2023

2024

2025

Total Hours of Safety Training for On-site Contractors

Hour

288

204

204

Total Number of Participants in Safety Training for On-site Contractors

Person

72

51

51

Classification

Unit

2023

2024

2025

Proportion of Spend on Local Suppliers

%

22

20

17