September 28, 2012
Taiyo Nippon Sanso Corporation

Notice Concerning Change of Representative Directors

At the Board meeting held on September 28, 2012, Taiyo Nippon Sanso Corporation (“TaiyoNippon Sanso” or “the Company”) resolved a Change of Representative Directors as of October 1,
2012 and announces as follows:

1. Change of Representative Directors on October 1, 2012Name
New position
Current position
Hiroshi Taguchi
Chairman
Executive Advisor
Shinji Tanabe
President
Senior Managing Director
Kunishi Hazama
Executive Vice President
Senior Managing Director
Hirosuke Matsueda, current Chairman, is newly appointed as Executive Advisor.
Yasunobu Kawaguchi, current President, is newly appointed as Vice Chairman.
Fumio Hara, current Executive Vice President, is newly appointed as Director and is also being
appointed as Chairman of Japan Fine Products Corporation.
2. Reason of Changes
As Taiyo Nippon Sanso announced today in the disclosure titled “Notice Concerning the Postingof an Extraordinary Losses as a result of the termination of joint activities for the manufacturingof specialty gas”, the Company will post a large extraordinary losses which will result in aconsiderable financial impact. In response to the extraordinary losses, the Company is taking theaction of changing the Representative Directors and installing new management to better handle
the changing needs of the Company. The new management will provide the focus necessary for
the Company to quickly and accurately respond to opportunities and challenges in the current
severe business environment. Although the industries served by the Company are being rapidly
reformed, the new management will enable the Company to capitalize on this change to grow its
domestic and global business.
3. Profile of New Representatives
Name:
Hiroshi Taguchi
Date of birth:January 17, 1936
Education:
Waseda University, Faculty of Politics Science and Economics
Brief personal record: April, 1958
Joined Nippon Sanso Corporation
September, 1985
Director, Sanso Center Division
June, 1989
Managing Director, Sanso Center Division1June, 1995
June, 1999
October, 2004
June, 2006
June, 2010
Number of Shares owned: 102,136 shares

Senior Managing Director, Administration
Division
President
President, Taiyo Nippon Sanso Corporation
Chairman
Executive Advisor (Current)

Name:
Shinji Tanabe
Date of birth:
March 13, 1950
Education:
Nihon University, Faculty of Science and Technology
Brief personal record: April, 1972
Joined Nippon Sanso Corporation
June, 2003
Corporate Officer, Plant Engineering andConstruction
October, 2004
Corporate Officer, On-site and Plant Division,Taiyo Nippon Sanso Corporation
June, 2006
Executive Corporate Officer, On-site and Plant
Division
June, 2009Managing Director, On-site and Plant Division
June, 2010
Senior Managing Director, On-site and Plant
Division
June, 2011
Senior Managing Director, Technological, R&D,Engineering, On-site and Plant Division (Current)
Number of Shares owned: 16,015 shares
Name:
Kunishi Hazama
Date of birth:
October 21, 1949
Education:
Kumamoto University, Faculty of Law and Literature
Brief personal record: April, 1972
Joined Nippon Sanso CorporationJune, 2004
Corporate Officer, General Manager of Chubu
BranchOctober, 2004
Corporate Officer, General Manager of Chubu
Branch, Taiyo Nippon Sanso CorporationJune, 2007
Executive Corporate Officer, General Manager ofChubu BranchJune, 2009Managing Director, General Manager of Chubu
BranchJune, 2010
Senior Managing Director, Gas Division (Current)
Number of Shares owned: 37,991 shares2