Komori
M&A and Subsidiary Changes4005SUMITOMO CHEMICAL COMPANY,LIMITEDMaterials and Chemicals

(Update on Disclosed Matter) Notice of the Effectiveness of the Agreement to Integrate the Domestic Polyolefin Businesses (PP and LLDPE)

Effective 1 July 2026, the agreements, including absorption-type company split ①, under which part of Sumitomo Chemical's domestic polyolefin business is transferred to Prime Polymer became effective. The required competition-law clearances and regulatory approvals have also been obtained.

Worth reading
59In focus
Scored from 4 of 5 sections
Direction
Mixed performance
Direction inferred from the company’s description.
Scale
10
Less than % (decrease in total assets as a percentage of net assets)
Wording
Conditional
How definitive the wording is.

This transaction

This business integration / this absorption-type company split
CounterpartyPrime Polymer Co., Ltd., Mitsui Chemicals,Inc., Idemitsu Kosan Co.,Ltd.
Disclosing companySUMITOMO CHEMICAL COMPANY,LIMITED
Prime Polymer Co., Ltd.Voting rights ownership percentage

The voting-rights ratio is the share of the votes exercisable at a shareholders’ meeting that will be held after this transaction.The percentage before the change is not stated in this document.

TimelineThe spacing between the points is proportional to the actual number of days.
Procedures and assumptions
Conditions Precedent to ExecutionObtaining the required clearances and regulatory approvals under competition law and other applicable laws and regulations
This transaction
ItemDetails
Transaction nameThis business integration / this absorption-type company split
Counterparty namePrime Polymer Co., Ltd., Mitsui Chemicals,Inc., Idemitsu Kosan Co.,Ltd.
Name of the Subject CompanyPrime Polymer Co., Ltd.
Voting rights ownership percentageAfter 20% (before not disclosed)
Date of board resolution1 July 2026
Contract Date1 April 2026 (absorption-type company split agreement ①)
Execution Date / Effective Date1 July 2026 (this business integration agreement, this joint venture agreement and absorption-type company split ①)
Conditions Precedent to ExecutionObtaining the required clearances and regulatory approvals under competition law and other applicable laws and regulations
Items this document does not state (24)
Business Description of the Subject CompanyLocation of the Subject CompanyCapital Stock of the Subject CompanyDate of Establishment of the Subject CompanyNet Sales of the Subject CompanyOperating Profit of the Subject CompanyNet Income of the Subject CompanyNet Assets of the Subject CompanyAcquisition priceExpenses other than the acquisition priceType of ConsiderationMerger ratio/share exchange ratioTender offer priceMinimum number of shares to be purchasedTender offer periodNumber of shares acquiredFunding arrangementsGoodwill amountAmount of extraordinary income (loss)Impact on Business PerformanceValuation methodologyIndependent valuation institutionSpecial CommitteeManagement structure after acquisition

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.

To implement this business integration, Sumitomo Chemical's polypropylene and linear low-density polyethylene businesses will be transferred to Prime Polymer. The agreements became effective because the required clearances and regulatory approvals under competition law and other applicable laws and regulations have now been obtained.

How to read this page

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
(Update on Disclosed Matter) Notice of the Effectiveness of the Agreement to Integrate the Domestic Polyolefin Businesses (PP and LLDPE) | SUMITOMO CHEMICAL COMPANY,LIMITED (4005) timely disclosure | Komori