How voestalpine defines sustainability 3.1 Steel cycle 22 3.2 Conservation of resources 24 3.3 Climate protection 25 4. voestalpine’s first Corporate Responsibility Report 26 4.1 voestalpine Corporate Responsibility Steering Committee 28 4.2 Communication with stakeholders 29 4.2.1 Employees 29 4.2.2 Investors 30 4.2.3 Customers and suppliers 30 4.2.4 Advocacy and special interest groups, platforms, and networks 30 4.3 voestalpine’s materiality matrix 31 5.