Under the revised KOSDAQ Market Disclosure Regulations, KOSDAQ-listed corporations must establish regulations for internal information
management and announce them on the company's website (Article 45, Paragraph 2 of the KOSDAQ Market Disclosure Regulations, effective on April 30, 2021). Accordingly, we set and announced internal information management regulations reflecting the recent enactment
and revision of relevant laws and regulations. Please refer to the attached file for details.