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Business Alliances4591RIBOMIC Inc.Pharmaceuticals

Notice Regarding the Execution of a Joint Research Agreement with SK Plasma

RIBOMIC resolved to enter into a joint research agreement with South Korea's SK Plasma concerning a drug conjugate combining a drug being researched and developed by SK Plasma with RIBOMIC's aptamer. SK Plasma is expected to pay RIBOMIC research funding based on research progress, although the amount has not been disclosed.

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Agreements reached under this partnership

Joint research agreement
4591RIBOMIC Inc.
Alliance partnerSK Plasma Co., Ltd.
Details of the alliance
  1. 1

    The companies will work to develop compounds expected to exhibit new properties by creating conjugates of drugs being researched and developed by SK Plasma and RIBOMIC's aptamer.

  2. 2

    The companies will advance research in this field by leveraging their respective research and development expertise.

These are items that the documents state the two companies will work on. The lines above and below represent arrangements between the two companies.

About the partner
Business DescriptionResearch and development, manufacture, and sale of plasma-derived products and other products
LocationRepublic of Korea, 310, Pangyo-ro, Bundang
Share capitalKRW 9,876,683,500(as of the end of FY2025)
Impact on Business Performance

The impact of this matter on the earnings forecast for the fiscal year ending March 2027 is expected to be reflected in the earnings forecast for the fiscal year ending March 2027, which is scheduled to be announced in due course.

Date of board resolution16 April 2026
Agreements reached under this partnership
ItemDetails
Name of alliance partnerSK Plasma Co., Ltd.
Alliance partner's business activitiesResearch and development, manufacture, and sale of plasma-derived products and other products
Alliance partner's locationRepublic of Korea, 310, Pangyo-ro, Bundang
Alliance partner's capitalKRW 9,876,683,500(as of the end of FY2025)
Type of allianceJoint research agreement
Details of the allianceThe companies will work to develop compounds expected to exhibit new properties by creating conjugates of drugs being researched and developed by SK Plasma and RIBOMIC's aptamer., The companies will advance research in this field by leveraging their respective research and development expertise.
Date of board resolution16 April 2026
Impact on Business PerformanceThe impact of this matter on the earnings forecast for the fiscal year ending March 2027 is expected to be reflected in the earnings forecast for the fiscal year ending March 2027, which is scheduled to be announced in due course.
Items this document does not state (15)
Alliance partner's net salesAlliance partner's operating incomeNumber of shares acquiredAcquisition priceShareholding ratioOverview of the joint ventureOwnership ratioDispatch of directors and officersContract PeriodNumerical targets under the allianceShareholding PolicyContract DateAlliance start dateShare Acquisition Date and Payment DateChange in major shareholders

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.

The companies will work to develop compounds expected to exhibit new properties by combining SK Plasma's drug with RIBOMIC's aptamer, and will advance the research by leveraging both companies' research and development expertise.

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Notice Regarding the Execution of a Joint Research Agreement with SK Plasma | RIBOMIC Inc. (4591) timely disclosure | Komori