More Sumitomo Chemical Co., Ltd. news Sumitomo Chemical Co., Ltd.TSE: 4005 (Progress of Disclosure Matters) Notice Concerning the Effectiveness of the Agreements for the Integration of the Domestic Polyolefin Business Jul 1, 2026 · Issued by Sumitomo Chemical Co., Ltd. via TDnet As issuedPlain English Watch Sumitomo Chemical explain it↗Sumitomo Chemical Company, Limited (SOMMY) Q1 2027 Earnings Call · Replay · Aug 4Sumitomo Chemical Co., Ltd. (4005) Press ReleaseView Attachment Company analysis Earlier from Sumitomo ChemicalSumitomo Chemical: Detailed financial statements for FY2025 (2.1 MB)Jun 18All Sumitomo Chemical news releases↗