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Statutory disclosure document4005SUMITOMO CHEMICAL COMPANY,LIMITEDMaterials and Chemicals

Statutory Post-Transaction Disclosure Document (Company Split) (Prime Polymer Co., Ltd.)

Sumitomo Chemical Co., Ltd. transferred the rights and obligations relating to its polypropylene and linear low-density polyethylene businesses in Japan, excluding manufacturing functions, to Prime Polymer Co., Ltd. through an absorption-type company split. The split took effect on 1 July 2026, and the registration filing is scheduled to be submitted on or after that date.

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Decision and Details

Post-transaction disclosure matters relating to the absorption-type company split

Decision1 April 2026 (date of execution of the absorption-type company split agreement)
Implementation1 July 2026 (effective date; completed)
Going forwardThe transferor company and successor company will submit applications for registration of changes relating to this split promptly on or after 1 July 2026.
Quantity / scaleThe sales, development and all other domestic operations relating to the polypropylene business and linear low-density polyethylene business, excluding manufacturing functions, within the domestic polyolefin business (excluding the overseas business and the low-density polyethylene (LDPE) business)
Reason

Disclosure of the post-transaction matters prescribed in the Companies Act and the Ordinance for Enforcement of the Companies Act. No company-specific business rationale is stated.

Decision and Details
ItemDetails
Matter CoveredPost-transaction disclosure matters relating to the absorption-type company split
Decision Date1 April 2026 (date of execution of the absorption-type company split agreement)
Implementation Date1 July 2026 (effective date; completed)
Quantity / scaleThe sales, development and all other domestic operations relating to the polypropylene business and linear low-density polyethylene business, excluding manufacturing functions, within the domestic polyolefin business (excluding the overseas business and the low-density polyethylene (LDPE) business)
ReasonDisclosure of the post-transaction matters prescribed in the Companies Act and the Ordinance for Enforcement of the Companies Act. No company-specific business rationale is stated.
Governing RuleCompanies Act, Article 791, paragraph 1, item 1; Article 801, paragraph 3, item 2; Articles 784-2, 785, 787, 789, 796-2, 797 and 799; Ordinance for Enforcement of the Companies Act, Articles 189 and 201
Related previous disclosuresAbsorption-type company split agreement dated 1 April 2026
Future plansThe transferor company and successor company will submit applications for registration of changes relating to this split promptly on or after 1 July 2026.
Items this document does not state (4)
Decision-Making BodyPeriod CoveredAmountImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

This is a post-transaction disclosure concerning an absorption-type company split pursuant to the Companies Act and the Ordinance for Enforcement of the Companies Act. No company-specific business rationale is stated.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Statutory Post-Transaction Disclosure Document (Company Split) (Prime Polymer Co., Ltd.) | SUMITOMO CHEMICAL COMPANY,LIMITED (4005) timely disclosure | Komori