Sustainability website provides detailed information on sustainability promotion activities based on Santen's CORE PRINCIPLE. In addition to report on the four major categories; Development and stable supply of socially significant products and services (Happiness with Vision), Encouragement of an Organizational Culture that Promotes Value Creation, Strengthening Governance, Contributing to the Realization of Fair and Equal Society and Conservation of the Global Environment, we identified 13 materialities. Furthermore, "Market Penetration of Products with Social Significance" and "Human Resource Development" have been identified as the most important materiality, which promotes our initiatives. We also disclose Environmental Data, Social Data and Governance Data. This sustainability website covers FY2023 and may include other periods as needed.