OBI Pharma, Inc. announced that change of the company's business address was approved by the Board of Directors. Relationship to the Company: Head office. Address before change: 19 F., No.

3, Yuanqu St., Nangang Dist., Taipei City 115, Taiwan (R.O.C.) Address after change: 6 F., No. 508, Sec. 7, Zhongxiao E. Rd., Nangang Dist., Taipei City 115, Taiwan (R.O.C.).

Date of occurrence of the event: November 6, 2023.