Time & date: Monday, December 11, 2023, 5:30 PM - 7:00 PM <EST>
                   (Tuesday, December 12, 2023, 7:30 AM - 9:00 AM <JST>)
Topics:      R&D updates (presentation + Q&A session）
Speakers:  Sunao Manabe, Representative Director, Executive Chairperson & CEO
                Ken Takeshita, Global R&D Head
                Mark Rutstein, Head of Global Oncology Clinical Development, and other
Format:     Remote conference (Zoom)

Other information:
・ Presentation material has been posted on the following corporate website.
・ On-demand video webcast has been posted on the corporate website.
         URL：https://www.daiichisankyo.com/investors/library/materials/