ESG management

Environmental policy

We treat the environment as a core value of our business, and all employees follow the policy below.

• We comply with domestic and international environmental laws and agreements.
• We build a systematic environmental management process and keep managing and improving our environmental data.
• We protect biodiversity around our sites and minimise environmental impacts such as pollutant emissions.
• We spread an environment-friendly culture through environmental training and improvement activities.
• We disclose environmental information transparently to strengthen the trust of our stakeholders.

Source: Environmental Policy (1 Jul 2026, signed by the CEO)

ISO 14001 environmental management system

We were certified to ISO 14001 on 13 October 2026 (certificate no. JEK-24209).

Source: ISO 14001 certificate (13 Oct 2026, IIC)

Waste management

• Paper, plastic, metal and designated waste are separated at every site.
• Recyclable waste goes to recycling companies, and designated waste is stored separately before it is handed to licensed disposal companies.
• New and existing employees receive training on waste separation.

Source: Waste Management Regulation (effective 1 Jan 2025)

Health and safety policy

Protecting workers' lives and providing a safe working environment are the top priorities of our business.

• We run a health and safety management system and provide the people and resources needed to remove and control hazards.
• We set health and safety goals and action plans, and keep internal rules that meet the relevant laws.
• We identify and fix hazards with the participation of workers and share the results through training.
• We require suppliers and contractors to follow our health and safety policy and safety requirements.

Source: Health and Safety Policy (18 Sep 2023, signed by the CEO)

Respect for human rights

We follow the UN Guiding Principles on Business and Human Rights and Korean law, and respect the human rights of all stakeholders.

• We prohibit discrimination based on race, gender, religion, disability, age, place of origin and similar grounds.
• We prohibit forced labour and child labour, and prevent harassment.
• We run a human rights hotline for anonymous reports and counselling, and protect those who report.
• All employees receive human rights training at least once a year.

Source: Human Rights Policy and Human Rights Charter (adopted 10 Feb 2025, signed by the CEO, announced 13 Aug 2026)

Fair dealing with suppliers

• We run bidding and contracting openly and transparently, and give equal opportunities.
• We make no unfair demands of business partners and offer them no improper benefits.
• We share our ethical principles with suppliers and ask them to follow them.

Source: Code of Ethics, Articles 2 and 9 (12 Feb 2025, signed by the CEO)

Information security

• We collect only the minimum personal information needed and use it only for the purpose we have stated.
• Access to personal information is limited to the fewest staff needed, and protected by encryption, access control and access logs.
• Information past its retention period is destroyed so that it cannot be recovered, for example by secure deletion or shredding.
• We protect trade secrets and intellectual property obtained in the course of business, and held privacy training (March 2026) and technical information security training (June 2026).

Source: Personal Information Protection Regulation (adopted 8 Jul 2025), Code of Ethics Article 7 (12 Feb 2025), internal training records (Mar and Jun 2026)

Code of ethics

Our code of conduct applies to the CEO, executives and all employees, including contract, temporary and outsourced staff.

• False or exaggerated reporting and concealment of information are prohibited.
• Conflicts between company and personal interests must be reported to a superior at once, and dealings with family or acquaintances without prior approval are prohibited.
• We comply with the Fair Trade Act and related laws, and prohibit collusion and unfair competition.
• Unethical or illegal conduct can be reported anonymously to the Ethics Reporting Center, and those who report are protected.

Source: Code of Ethics (adopted 12 Feb 2025, signed by the CEO)

Compliance training

We held anti-corruption training for employees at our head office on 14 and 21 July 2025, covering cases of workplace abuse of power and improper work instructions.

Source: ESG training records, anti-corruption training (14 and 21 Jul 2025)