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. 16, 2006

IR

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

Aug. 21, 2006

Other

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

Jul. 31, 2006

IR

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

Jun. 19, 2006

Other

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

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)

Mar. 3, 2006

Business & Products

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

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