Monstar Lab, Inc. announced that its Board of Directors resolved that Yoshihara Nakahara, Executive Vice President of the Company, will retire as the Executive Vice President effective June 23, 2024. Name of Retiring Director: Yoshihiro Nakahara; Date of Retirement: June 23, 2024. Reason for Retirement: Since joining the Company in 2020 as Global CFO, Mr. Nakahara has been promoting the reinforcement of cooperation in the area of finance and the development of an operational structure as the Company s group has been expanding its digital consulting business on a global scale.

However, the situation of the Group has changed from the time when he was expected to contribute as global CFO, as the Group now has a clear plan for further organizational and structural reforms in order to build a foundation for future growth, and it will be moving forward to reorganize unprofitable overseas subsidiaries in the future. Given these developments, Mr. Nakahara has made the decision to step down from the position now that he has achieved a certain level of the expected contribution. Even after the retirement of Mr. Nakahara as director, the number of directors as stipulated by law and the Articles of Incorporation continues to be satisfied.