Social Data (personnel)

Number of Employees

Item Value Segment Remarks
Employee Total workfoce 9,714 Consolidated As of Dec. 31, 2025
Men 8,655 Consolidated
Women 1,059 Consolidated
Percentage of women employees 10.9% Consolidated
Number of senior management Total Number 966 Consolidated As of Dec. 31, 2025
Men 881 Consolidated
Women 85 Consolidated
Percentage of women in senior management 8.8% Consolidated
Number of senior management Total Number 610 SUMCO* As of Dec. 31, 2025
Men 594 SUMCO*
Women 16 SUMCO*
Percentage of women in senior management 2.6% SUMCO*
Number of directors on board Total directors 13 SUMCO As of Mar. 31, 2026
Men 10 SUMCO
Women 3 SUMCO
Percentage of women directors on the board 23.1% SUMCO
Newly Hired Employees Total Number 114 SUMCO As of 2025
Men 84 SUMCO
Women 30 SUMCO
Percentage of women employees in new hires 26.3% SUMCO
Average years employed Men 14.5 SUMCO
Women 10.2 SUMCO
Difference in average 4.3 years SUMCO
  • Total figures include the number of Sumco employees assigned to other companies and exclude secondees to Sumco Corporation from other companies

Sustainability

Executive Officer Message Materiality (Key Issues) The SUMCO Group's Business Activities and the Sustainable Development Goals (SDGs) Related Policies CSR and Sustainability Promotion Structure SUMCO Vision Site Data Environmental Social Governance To ESG-oriented Investors Disclosure Based on TCFD Recommendations Sustainability Report / CSR Report