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Stock Information

Status of Shares (As of March 31, 2010)

Stock listing

Tokyo Stock Exchange, First Section

Number of shares authorized

61,950,000 shares

Number of shares outstanding

21,770,719 shares

Number of shareholders

9,909

Distribution of shares by type of shareholder

Major shareholders(Top 10)

Name of shareholder Investment status
Number of shares held
100 shares
Equity ownership
%
Otsuka Pharmaceutical Co., Ltd. 20,000 11.01
Tadao Kurozumi 8,173 6.52
Japan Trustee Services Bank, Ltd. (Trust account) 7,879 4.34
The Dai-ichi Mutual Life Insurance Company (Standing proxy: Trust & Custody Services Bank, Ltd.) 5,500 3.03
Nippon Life Insurance Company 4,701 2.59
The Chase Manhattan Bank NA London SL Omnibus Account (Standing proxy: Custody & Proxy Department, Mizuho Corporate Bank, Ltd.) 4,446 2.45
EIKEN CHEMICAL Employee Stock Ownership Plan 4,026 2.22
The Nomura Trust and Banking Co., Ltd.
(Retirement benefi t trust, Mitsubishi UFJ Trust and Banking Corporation account)
3,510 1.93
The Master Trust Bank of Japan, Ltd. (Trust account) 2,901 1.60
Mellon Bank NA Treaty Client Omnibas 2,747 1.51

Note: Treasury stock (3,611,683 shares) is excluded for calculating the equity ownership ratio.

Number of shares per trading unit

100 shares

Securities code

4549

Closure of accounts

March 31

Ordinary General Meeting of Shareholders

June annually

Transfer agent and special account management institution

Mitsubishi UFJ Trust and Banking Corporation
1-4-5 Marunouchi, Chiyoda-ku, Tokyo, Japan