Sustainable Environment

Environmental Management Policy

Tung Mung initiated the ISO 50001 Energy Management System implementation in April 2023, passed
external verification in November 2023, and obtained the ISO 50001 certificate issued by TUV Rheinland
Taiwan in December 2023.
Due to the establishment of a new Energy Management System, Tung Mung's environment, safety,
health, and energy policy was re-signed by the Chairman on September 14, 2023 and promulgated as
follows:

Tung Mung Development Co.,Ltd.

Environmental Management Policy

Tung Mung Development Co.,Ltd. (referred as the company) Engaged in the production and service of cold stainless steel coils and steel sheets, and is well-known in the industry for its quality, reputation and service.。At the same time, fulfilling corporate and social responsibilities will be the focus of our operations.

In order to provide customers with high-quality products, from raw materials, equipment, production technology, etc., we focus on safe operations and reducing pollution; not only do we allow every employee to work with peace of mind, take good care of quality and improve production capacity, but also protect the environment and fulfill our corporate social responsibilities, and then implement the company's sustainable development goals. Therefore, our company has established an environmental and occupational safety and health management system to elevate pollution prevention and work safety from conceptual to practical aspects, with the goal of making management more rigorous and systems stronger.。

The company promises to follow this Environmental Management Policy as the focus of continuous efforts, and through the participation of colleagues throughout the company, in consultation, suggestions, we create a job environment that reassures employees, reassures employers, and strengthens social confidence.

Tung Mung Development Co.,Ltd. Chairman

Date:110.12.16

Energy Management

To alleviate the impact on the environment, Tung Mung has made continuous improvements over the years to save energy.

We have complied with the Regulations on Setting of Energy Conservation Targets and Implementation of Plans by Energy Users promulgated by the Bureau of Energy, Ministry of Economic Affairs, and managed to save power above the 1% requirement per year set by the bureau.

In 2023, we executed ten energy conservation measures and saved 1661 MWh of power (2.44%).

Overview of Energy Improvement Performance in 2019–2023

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Year Number of Improvement Projects Power Saving (MWh/year) Power Saving rate (%) Investment Amount (NT$1,000)
2019 6 1,129 1.56 10,530
2020 6 1,566 2.18 755
2021 7 1,018 1.38 1,793
2022 10 740 1.08 2,777
2023 10 1,661 2.44 51,672

Note: The data is based on the records of energy conservation data filed

Greenhouse Gas Management

In 2023, Tung Mung engaged DNV, a Ministry of Environment-approved verification company, to verify the greenhouse gas inventory data for the entire plant for the year 2022. Tung Mung reported direct emissions (Scope 1) of 26,190 MT CO2e and indirect emissions(Scope 2) of 33,518 MT CO2e, for total emissions of 59,708 MT CO2e. In addition, other indirect emissions are also verified according to the ISO 14064-1: 2018 standard, such as indirect GHG emissions from transportation (Scope 3) and indirect emissions from product use (Scope 4), which were approximately 9,706 and 597,827 MT CO2e, respectively.Passed the verification audit and obtained the ISO 14064-1 verification opinion on July 31,2023.

Greenhouse Gas Emissions in 2019–2023

Water Resource Management

The water used by Tung Mung is supplied by Taiwan Water Corporation

and sourced from Tsengwen Reservoir. We use water for general domestic water, production process cooling, and stainless steel plate cleaning. Water consumption in 2022 totaled 308 million liters (ML).

In recent years, extreme weather events have led to water shortages. The Company is aware that climate change is an issue that the world must confront together. Through water resource management, we promote water conservation and recycling to effectively alleviate the impact of water shortages.

Waste Management

All of the waste generated by Tung Mung is considered general business waste and contains no hazardous waste.

Tung Mung generates business waste primarily in the forms of sandblasting dust and iron oxide from the annealing and pickling line (APL), waste lubricant and waste oil sludge from the bright annealing line (BAL), cold-rolling mill (CRM), and continuous galvanizing line (CGL), and sludge from wastewater treatment.

In addition, employees’ domestic waste, as well as waste paper, waste wood (packaging materials), and waste plastics not from processes are processed and disposed of by qualified companies commissioned by the Company.

Sandblasting dust, iron oxide, and waste that contain iron are recyclable/reusable resources and not treated as waste. We engage qualified service providers to recycle and reuse these resources.

Air Pollutant Management

With regards to air pollution control, Tung Mung

engages an EPA-approved testing institution to perform measurements on a yearly basis, and regularly maintains air pollution control equipment to ensure optimal performance. In doing so, we are able to protect the environment, promote employees’ health, and ensure compliance with environmental protection laws.