Form 20-F

The report describes ASE Technology Holding's 2019 consolidated operations following the SPIL acquisition, with operating revenues of NT$413,182.2 million and a year-end workforce of 96,528 employees. It also highlights the Corporate Sustainability Committee as the highest management-level sustainability body, reporting directly to the board. Environmental priorities included climate-risk management, water recycling, renewable-energy investment, low-carbon development, and environmental protection contributions. The report also discusses wastewater-related administrative and judicial proceedings and the company's continuing environmental management activities.