For Immediate Release

Company name: DAIICHI SANKYO COMPANY, LIMITED Representative: Joji Nakayama, President and CEO
(Code no.: 4568, First Section of Tokyo, Osaka and Nagoya Stock Exchanges) Please address inquiries to Noriaki Ishida, Corporate Officer, Vice President, Corporate Communications Department Telephone: +81-3-6225-1126
http://www.daiichisankyo.com/

Daiichi Sankyo Appoints New Corporate Officers Tokyo, Japan (March 4, 2013) - Daiichi Sankyo Company, Limited today announced the appointment of new corporate officers effective from April 1, 2013. 1. DAIICHI SANKYO CO., LTD.

New Position

Name

Current Position

Member of the Board, Senior Executive Officer

Head of Corporate Strategy Division

and Head of Business Intelligence Division, Japan Company

Kazunori Hirokawa

Member of the Board, Senior Executive Officer Head of Corporate Strategy Division

Member of the Board, Senior Executive Officer

Head of Supply Chain Division

and Head of Legal Affairs & CSR Division

Yuki Sato

Member of the Board, Senior Executive Officer

Head of Supply Chain Division

Senior Executive Officer

Head of Sales & Marketing Division of

Japan Company

Ryouichi Kibushi

Executive Officer

Head of Sales & Marketing

Division of

Japan Company

Executive Officer

Vice President of Finance & Accounting

Department,

Corporate Management Division

Tomoo Yokoi

Corporate Officer

Vice President of Finance & Accounting Department, Corporate Management Division

Corporate Officer

Head of Quality and Safety

Management Division

Toshiaki Tojo

Corporate Officer

Vice President of Supply Chain

Planning Department, Supply Chain Division

Corporate Officer

Vice President of Biologics Oversight

Function, R&D Division

Junichi Koga

Corporate Officer

in charge of Biopharmaceutical

Technology,

Pharmaceutical Technology

Division

Corporate Officer

Vice President of Human Resources

Department,

General Affairs & Human Resources Division

Norimasa Kamura

Vice President of Human Resources Department, General Affairs & Human Resources Division