Nov. 16, 2006

Sustainability

Sumitomo Chemical Honored as 2006 Tech Museum Awards Laureate

Nov. 9, 2006

IR

Sumitomo Chemical Reports Interim Consolidated Financial Results

Nov. 9, 2006

IR

Sumitomo Chemical Announces Upward Revisions to its Financial Estimates for Fiscal 2006

Oct. 27, 2006

Business & Products

Sumitomo Chemical and RoseStreet Labs Announce Joint Venture for Full Spectrum Solar Cells

Oct. 16, 2006

IR

Revised Non-Consolidated Financial Estimates For First Half of Fiscal Year ending March 31, 2007

Sep. 1, 2006

Business & Products

Sumitomo Chemical to Expand Production Capacity for Polyethersulfone (PES)

Aug. 21, 2006

Other

Dainippon Sumitomo Pharma and Sumitomo Chemical agree with Pfizer on Settlement of Amlodin Lawsuit

Aug. 7, 2006

Business & Products

Sumitomo Chemical Establishes a Base of Operations for IT-related Materials in Poland

Jul. 31, 2006

Business & Products

Buy-back of GlaxoSmithKline K.K. shares owned by Sumitomo Chemical

Jul. 31, 2006

IR

Sumitomo Chemical Reports Consolidated Financial Results For the Three Months Ended June 30, 2006

Jun. 28, 2006

Business & Products

Sumitomo Chemical Licenses its Hydrochloric Acid Oxidation Technology to Mitsubishi Chemical

Jun. 19, 2006

Other

English Court denies its jurisdiction over the Amlodin lawsuit brought by Pfizer

Jun. 15, 2006

R&D

Joint Development of Propylene Production System Utilizing C4-Fraction By-products at Chiba Complex

May. 24, 2006

Business & Products

Sumitomo Chemical Announces New Investment in its French Agricultural Chemicals Affiliate by Nihon Nohyaku

May. 15, 2006

IR

Sumitomo Chemical Company, Limited Announces Consolidated Financial Results

Apr. 26, 2006

IR

Sumitomo Chemical Announces Upward Revision to its Estimated Dividend for March 2006 Period (the 125th period)

Apr. 6, 2006

Business & Products

Sumitomo Chemical breaks ground for the third-phase expansion of its MMA production facilities in Singapore

Mar. 27, 2006

Sustainability

Sumitomo Chemical donates 'Olyset^®' Nets to Africa's 'Millennium Villages'

Mar. 20, 2006

Business & Products

Sumitomo Chemical and Saudi Aramco celebrate the groundbreaking for refining and petrochemical joint venture PETRORabigh

Mar. 14, 2006

R&D

Sumitomo Chemical Develops Ultra-High-Intensity OLED Light Source for Print Head Application Jointly with Epson

Mar. 3, 2006

Business & Products

Rabigh Refining and Petrochemical Company (PETRORabigh) signs landmark financing facilities totalling US$5.8 billion

Mar. 2, 2006

R&D

Sumitomo Chemical Co., Ltd, Dow AgroSciences LLC to co-develop a new insecticide

Mar. 2, 2006

Business & Products

Expansion of Facilities for Production of Polarizing Film for LCDs

Feb. 7, 2006

IR

Sumitomo Chemical Reports Consolidated Financial Results For the Nine Months Ended December 31, 2005

Jan. 25, 2006

Other

Pfizer files lawsuit in England regarding licence for Amlodin