November 28, 2011
Nanyo Complex Vinyl Chloride Monomer Plant Accident and Fire (Fourth Release)

November 25, 2011
Establishment of Nanyo Complex, No.2. Vinyl Chloride Monomer Plant accident investigation and prevention committee

November 21, 2011
Excessive Ethylene Dichloride in Wastewater after Vinyl Chloride Monomer Plant Fire (Third Release)

November 21, 2011
Excessive Ethylene Dichloride in Wastewater after Vinyl Chloride Monomer Plant Fire (Second Release)

November 18, 2011
Nanyo Complex Vinyl Chloride Monomer Plant Accident and Fire (Third Release)

November 18, 2011
Excessive Ethylene Dichloride in Wastewater after Vinyl Chloride Monomer Plant Fire

November 14, 2011
Nanyo Complex Vinyl Chloride Monomer Plant Accident and Fire (Second Release)

November 13, 2011
Nanyo Complex Vinyl Chloride Monomer Plant Accident and Fire

November 10, 2011
Tosoh Reports on First-Half Consolidated Results for Fiscal 2012 (from April 1, 2011, to September 30, 2011)

August 2, 2011
Tosoh Announces Its First-Quarter Consolidated Results for Fiscal 2012
(April 1, 2011–June 30, 2011)

July 27, 2011
Tosoh Establishes a Thin Film Sputtering Target Manufacturing Subsidiary in Shanghai, China

May 19, 2011
Tosoh Reports on Consolidated Results for Fiscal 2011 (from April 1, 2010, to March 31, 2011)

April 27, 2011
Tosoh Corporation Announces Doubling of Toyopearl Production Capacity

April 15, 2011
Impact of Tohoku Pacific Earthquake and Nuclear Complex Damage on Tosoh

March 17, 2011
Tosoh Group to Support Japan Earthquake Disaster Relief Efforts

March 16, 2011
Tohoku Pacific Earthquake Announcement

February 25, 2011
Tosoh Releases Nine-Month Consolidated Results for Fiscal 2011
(The interim period from April 1, 2010, to December 31, 2010)

February 18, 2011
Tosoh Targets Improve Solar Cell Efficiency - News Release 02.18.2011