SK hynix Named as a World's Most Ethical Companies® Honoree

• SK hynix first Korean semiconductor company to be named as one of the 2025 World's Most Ethical Companies®
• Members' commitment to business ethics, support for business partners recognized
• Company to foster business ethics suitable for a leading AI memory provider

SEOUL, South Korea, March 11, 2025 /PRNewswire/ -- SK hynix Inc. (or "the company", www.skhynix.com) announced today that it has received the 2025 World's Most Ethical Companies® recognition by Ethisphere*, a global leader in defining and advancing the standards of ethical business practices, marking the first case for a Korean semiconductor company to be named as an honoree.

* Ethisphere: global leader in defining and advancing the standards of ethical business practices that strengthen corporate brands, build trust in the marketplace, and deliver business success. Ethisphere honors superior integrity programs through World's Most Ethical Companies® recognition

The assessment is based on Ethisphere's proprietary Ethics Quotient®, which requires companies to provide 240+ different proof points on practices that support robust ethics and compliance; governance; a culture of ethics; environmental and social impact; and initiatives that support a strong value chain.

In 2025, 136 honorees were recognized spanning 19 countries and 44 industries. SK hynix is one of only four honorees in the semiconductor industry.

The international recognition follows years of the company's efforts to set up goals for business ethics and systematic evaluation and implementation of them. SK hynix expects the ethics management system that the stakeholders can trust and suitable for a global company to help it and its customers to achieve higher corporate values.

SK hynix and its employees have combined efforts to advance business ethics further with members participating in the signing of compliance commitment letter and compliance surveys every year with passion.

In 2023, SK hynix also started a program to share its operation and know-how of the business ethics system with business partners to further grow it into a system for the broader supply chain.

"Congratulations to SK hynix for achieving recognition as one of the World's Most Ethical Companies®," Erica Salmon Byrne, Ethisphere's Chief Strategy Officer and Executive Chair, said. "Behind this honor is a true dedication and a commitment to advancing business integrity."

"I would like to express my gratitude to our members for their continued efforts to help advance the company's principles for ethical management to be recognized globally," SK hynix Chief Executive Officer Kwak Noh-Jung said. "We will strive to meet the trust from our stakeholders and do our part to continue as an ethically responsible AI memory provider."

About SK hynix Inc.

SK hynix Inc., headquartered in Korea, is the world's top tier semiconductor supplier offering Dynamic Random Access Memory chips ("DRAM") and flash memory chips ("NAND flash") for a wide range of distinguished customers globally. The Company's shares are traded on the Korea Exchange, and the Global Depository shares are listed on the Luxembourg Stock Exchange. Further information about SK hynix is available at www.skhynix.com, news.skhynix.com.

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SOURCE SK hynix Inc.