These are sustainability indicators that are strategically relevant for Wolters Kluwer and measured and managed within the company: Organic growth This KPI shows Wolters Kluwer has delivered additional value with its products and services Percentage revenues from digital products The higher the percentage revenues from digital products, the lower the company’s impact on the environment Percentage of employees who receive a performance appraisal This KPI shows how Wolters Kluwer takes responsibility for the career development of its employees In 2008, these sustainability KPIs were monitored and introduced at management meetings.