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Facing the global threat of climate change, achieving net-zero emissions has become a critical global consensus. As a key member of Taiwan's corporate decarbonization efforts and a leading global provider of optical services, Radiant Opto-Electronics is demonstrating its firm determination to actively reduce carbon emissions. We do this by responding to the Paris Agreement's goal of limiting the global temperature increase to 1.5°C and by committing to follow the Taiwanese government's "2050 Net Zero Emissions" pathway, thereby contributing to the sustainability of our planet and humanity.
Furthermore, by implementing the TCFD (Task Force on Climate-related Financial Disclosures) framework, we regularly assess climate change risks and formulate corresponding environmental management policies and energy-saving and carbon reduction strategies. Considering that the company is in a phase of operational expansion and growth, we have referenced the SBTi's linear reduction pathway in developing our climate action strategy. This has led to our "2030 Radiant Sustainable Development Carbon Reduction Goal," under which we commit to a 25% absolute reduction in Category 1 and Category 2 greenhouse gas (GHG) emissions by 2030.
When planning our transition targets and roadmap, Radiant Opto-Electronics places great importance on the participation of our stakeholders, including suppliers, customers, industry peers, government, and civil society, to facilitate a smooth transition. Concurrently, we will continue to enhance our assessment of the nature-related and social impacts and risks associated with this transition, ensuring that the rights and interests of stakeholders such as employees, communities, and consumers are protected to achieve a just transition.
Environmental Management
Environmental Management
Radiant Opto-Electronics conducts environmental impact assessments based on the ISO 14001 Environmental Management System and has achieved ISO 14001:2015 certification. We conduct regular monitoring of environmental impact factors such as air quality, noise, and wastewater within the development scope and commit to avoiding development in environmentally sensitive and designated purpose areas. In line with our commitment to local regulatory compliance, we annually assess the objectives of our pollution prevention plan. In 2025, Radiant Opto-Electronics did not incur any significant penalties for violations of environmental laws and regulations, and no perfluorocarbons (PFCs) were emitted during the manufacturing process.
Expenses Related to Environmental Protection
The Corporation has established several pollution prevention and control facilities to effectively manage and control water pollution, industrial waste disposal, and air pollution. At the front end of the production process, we maintain, replace, and add new equipment with the best possible solutions to reduce pollutant emissions during the manufacturing process; at the end of the process, we treat all waste properly to continuously increase the recycling rate. In 2025, Radiant Opto-Electronics invested approximately NT$16,060,000 in environmental protection. Of this, water pollution prevention accounted for about 56%, while waste management expenses made up approximately 34%. Compared to 2024, environmental protection expenditures increased by about 14%.
Historical Group's Expenditure on Environmental Protection (Unit: NT$ thousand)
Air Pollution Prevention and Control
Primarily involved in assembly processes, Radiant Opto-Electronics operates with a low air pollution load. Pollutants are initially collected and treated with exhaust gas treatment equipment before discharge, ensuring compliance with legal requirements through regular exhaust sampling and testing. Through testing, it has been proven that, over the years, Radiant Opto-Electronics has consistently met the pollutant emission standards set by government environmental regulations. None of the Company's plants have produced nitrogen oxides, sulfur oxides, or ozone-depleting substances (ODS) emissions.
Waste Management
Radiant Opto-Electronics places great importance on resource recycling, reuse, and the reduction of waste generation and prioritizes the core principles of source reduction, waste sorting, and recycling. We meticulously record and manage the different types of business waste generated throughout our production and operation processes and ensure that waste storage, cleaning, and disposal are all in compliance with legal requirements by conducting proper recycling or disposal in accordance with the law. Radiant Opto-Electronics was committed to environmental protection and established a waste reduction target: an average annual reduction in waste of 33% compared with the base year (2021). The Sustainable Development Committee conducted annual performance reviews and performed internal and external audits.
To achieve this goal, Radiant Opto-Electronics has implemented the UL 2799 Zero Waste to Landfill standard. This process involved integrating waste classification lists from all plant sites with local regulatory waste codes. After identifying all recyclable materials at each workstation, we conducted on-site visits to recycling facilities to verify their recovery and disposal processes. Ultimately, this effort culminated in obtaining the "Zero Waste to Landfill Validation Statement," which enables us to effectively track our waste streams and increase the actual diversion rate. The Group's major manufacturing plants in mainland China had achieved zero landfilling diversion rates of 90%, and, in coordination with customers' supply chain UL 2799 Zero Waste to Landfill guidance, the Guangzhou plant exceeded 92% in 2025, the Wujiang plant reached 94%, and the Nanjing plant achieved over 95%.
Radiant Opto-Electronics appoints dedicated specialists to manage our waste. They conduct daily inspections of waste storage areas and perform proactive quarterly audits to verify the legal qualifications of all in-plant waste streams and contracted waste management vendors. An annual audit plan is also established to manage the transportation of high-risk waste and to audit newly engaged removal and disposal vendors. To ensure regulatory compliance, we verify vendor practices by following their transport vehicles. This process confirms that waste generated by Radiant is transported to the designated disposal facilities and allows us to monitor the waste stream and its final disposal methods. Through these measures, we fulfill our supervisory responsibility over waste disposal. By establishing formal waste management control procedures and actively promoting employee training, we ensure that all personnel strictly adhere to the relevant regulations at every stage, including reduction, segregation, collection, storage, and final disposal.
The Company's 2025 waste output can be divided into two categories: hazardous industrial waste and non-hazardous industrial waste. The Group's total waste generation was 5,032.9529 metric tons, representing a 16.2% increase compared with the total waste of the prior year. The waste intensity was 1.0015. Among these, non-hazardous industrial waste accounted for about 4,955.2019 tons, representing 98.5% of the total waste, while hazardous industrial waste totaled approximately 77.7510 tons, constituting 1.5% of the waste and being relatively non-complex in nature. In terms of waste management categorization, the primary treatment method for non-hazardous industrial waste is "recycling and reuse," accounting for approximately 3,786.2048 tons, 76.4% of the group. The next most common method is "incineration," amounting to about 1,005.1971 tons, or 20.3% of the group. The disposal method for "hazardous industrial waste" was primarily "incineration," totaling approximately 76.3007 tons and accounting for 98.1%. The Company actively promotes waste recycling and converts waste into useful resources. It not only attained recycling resources but also reduced energy consumption and costs associated with waste disposal.
Radiant Opto-Electronics is committed to environmental protection and has set a waste reduction target for 2030: "annual average waste reduction of 33% compared to the base year (2021)" (base year total waste generation: 6,642.94 metric tons). The Sustainability Committee conducts annual performance reviews and carries out internal and external audits. In 2025, the annual average reduction of (hazardous/non-hazardous) waste decreased by 24.2% compared to the base year. In response to process adjustments, the annual quantity of waste generated was relatively high. We will continue to promote environment policies such as source reduction and downstream recycling.
