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Statutory disclosure document4978ReproCELL IncorporatedMaterials and Chemicals

Notice Regarding the Submission of an Application for Marketing Approval in Japan for the Stem Cell Product “Stemchymal” for Spinocerebellar Degeneration (SCA3 and SCA6)

An application for manufacturing and marketing approval has been filed in Japan for the regenerative medicine product “Stemchymal” for SCA3 and SCA6 types of spinocerebellar ataxia. Following approval, Steminent Biotherapeutics of Taiwan is expected to manufacture the product, while ReproCELL is expected to market and ship it in Japan.

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Decision and Details

Application for manufacturing and marketing approval of the regenerative medicine product “Stemchymal®”

Decision24 June 2026 (application date)
Implementation24 June 2026 (record of application)
Going forwardPriority review is targeted for completion within 9 months of acceptance of the application. The Company will proceed toward obtaining approval and plans to market and ship the product after approval.
Reason

Effective treatments for spinocerebellar ataxia are limited, and there is a strong need for new treatment options.

Impact on Business Performance

The impact on results for the current fiscal year is expected to be limited at this time. Over the medium to long term, the Company believes this will make a significant contribution to further growth and the sustained enhancement of corporate value.

Decision and Details
ItemDetails
Matter CoveredApplication for manufacturing and marketing approval of the regenerative medicine product “Stemchymal®”
Decision Date24 June 2026 (application date)
Implementation Date24 June 2026 (record of application)
Impact on Business PerformanceThe impact on results for the current fiscal year is expected to be limited at this time. Over the medium to long term, the Company believes this will make a significant contribution to further growth and the sustained enhancement of corporate value.
ReasonEffective treatments for spinocerebellar ataxia are limited, and there is a strong need for new treatment options.
Governing RuleThe product has been designated as a regenerative medicine product for a rare disease and is eligible for priority review.
Related previous disclosuresDesignation by the Ministry of Health, Labour and Welfare as a regenerative medicine product for a rare disease in December 2018 (title not disclosed)
Future plansPriority review is targeted for completion within 9 months of acceptance of the application. The Company will proceed toward obtaining approval and plans to market and ship the product after approval.
Items this document does not state (4)
Decision-Making BodyPeriod CoveredAmountQuantity / scale

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The reasons the company gives

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

Effective treatments for spinocerebellar ataxia are limited, and there is a strong need for new treatment options.

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Notice Regarding the Submission of an Application for Marketing Approval in Japan for the Stem Cell Product “Stemchymal” for Spinocerebellar Degeneration (SCA3 and SCA6) | ReproCELL Incorporated (4978) timely disclosure | Komori