# 【表紙】

【提出書類】 | 有価証券報告書
【根拠条文】 | 金融商品取引法第24条第１項
【提出先】 | 関東財務局長
【提出日】 | 2025年６月20日
【事業年度】 | 第20期（自　2024年４月１日　至　2025年３月31日）
【会社名】 | 第一三共株式会社
【英訳名】 | DAIICHI SANKYO COMPANY, LIMITED
【代表者の役職氏名】 | 代表取締役社長　　奥澤　宏幸
【本店の所在の場所】 | 東京都中央区日本橋本町三丁目５番１号
【電話番号】 | ０３－６２２５－１１１１（代表）
【事務連絡者氏名】 | 財務経理部長　　児玉　智裕
【最寄りの連絡場所】 | 東京都中央区日本橋本町三丁目５番１号
【電話番号】 | ０３－６２２５－１１１１（代表）
【事務連絡者氏名】 | 財務経理部長　　児玉　智裕
【縦覧に供する場所】 | 株式会社東京証券取引所 （東京都中央区日本橋兜町２番１号）

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