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Other Disclosures4888STELLA PHARMA CORPORATIONPharmaceuticals

Notice of Exhibition at World Health Expo Osaka 2026

ステラファーマ will exhibit at World Health Expo Osaka 2026, to be held at INTEX Osaka from 2 to 4 July 2026. In the Osaka Pavilion, it plans to present initiatives related to BNCT and boron-based drugs together with SUMITOMO HEAVY INDUSTRIES,LTD.

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Announced details

BNCTBNCT irradiation systemBoron-based drugs for BNCT
Applicable field (uses covered by this announcement)

Medical care, healthcare, cancer treatment, radiation therapy

Launch date2 July 2026 (scheduled; exhibition opening)
Relationship between the counterparty and the company
STELLA PHARMA CORPORATION4888
Relationship with the Company

ステラファーマ and SUMITOMO HEAVY INDUSTRIES,LTD. will jointly exhibit and present initiatives related to BNCT. Its relationship with Osaka Prefecture and Osaka Bio Headquarters is through the Osaka Pavilion at the exhibition. Capital and personnel relationships are Not disclosed.

CounterpartySUMITOMO HEAVY INDUSTRIES,LTD., Osaka Prefecture, Osaka Bio Headquarters

SUMITOMO HEAVY INDUSTRIES,LTD. is a company involved in BNCT irradiation systems. Osaka Prefecture serves as the secretariat for Osaka Bio Headquarters. Other details are Not disclosed.

Location (as indicated in this announcement)

INTEX Osaka, Hall 6A and Hall 6B (1-5-102 Nanko-Kita, Suminoe-ku, Osaka)

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Official World Health Expo Osaka 2026 website; Osaka Pavilion / WHX Osaka 2026 special website

Announced details
ItemDetails
Names of Products / Services CoveredBNCT, BNCT irradiation system, Boron-based drugs for BNCT
CounterpartySUMITOMO HEAVY INDUSTRIES,LTD., Osaka Prefecture, Osaka Bio Headquarters
Counterparty overviewSUMITOMO HEAVY INDUSTRIES,LTD. is a company involved in BNCT irradiation systems. Osaka Prefecture serves as the secretariat for Osaka Bio Headquarters. Other details are Not disclosed.
Relationship with the Companyステラファーマ and SUMITOMO HEAVY INDUSTRIES,LTD. will jointly exhibit and present initiatives related to BNCT. Its relationship with Osaka Prefecture and Osaka Bio Headquarters is through the Osaka Pavilion at the exhibition. Capital and personnel relationships are Not disclosed.
Launch date2 July 2026 (scheduled; exhibition opening)
Applicable areaMedical care, healthcare, cancer treatment, radiation therapy
LocationINTEX Osaka, Hall 6A and Hall 6B (1-5-102 Nanko-Kita, Suminoe-ku, Osaka)
SourceOfficial World Health Expo Osaka 2026 website; Osaka Pavilion / WHX Osaka 2026 special website
Items this document does not state (10)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleQuantitative EffectsUsage historyImpact 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.

To promote understanding of BNCT and boron-based drugs, deepen interaction with medical and healthcare professionals, companies, research institutions and government agencies in Japan and overseas, and contribute to the development of BNCT.

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Notice of Exhibition at World Health Expo Osaka 2026 | STELLA PHARMA CORPORATION (4888) timely disclosure | Komori