The Amended Articles of Incorporation

Tosei Corporation

Toranomon Tosei Building, 4-2-3 Toranomon, Minato-ku, Tokyo

President and CEO: Seiichiro Yamaguchi

Securities code: 8923 (Tokyo Stock Exchange, First Section)

Securities code: S2D (SGX-ST, Mainboard)

Contact: Director and CFO: Noboru Hirano

TEL: +81-3-3435-2864

The Amended Articles of Incorporation

Further to our announcement on June 5, 2013 titled Notice Regarding Stock Split,Adoption of Unit Share System and Partial Amendments of the Articles of Incorporation,as well as Revision in the Dividend Forecast as a Result of Share Split", the partial amendments to our Articles of Incorporation (as attached hereto) has been effected as of July 1, 2013.

End of Notice

• The Amended Articles of Incorporation