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Other Disclosures5341ASAHI EITO HOLDINGS CO.,LTD.Construction and Materials

Regarding the New Challenge, the “Noble Gas” Business, and the Formal Response from 杭気 Group

We received a formal response from Hangzhou Oxygen Plant Group stating that it considers the helium export restrictions temporary, although the timing of their removal remains unclear. It confirmed that cooperation in rare gas businesses other than helium and for the Japanese market will continue, and that it is not considering terminating the agreement or taking similar action.

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Announced details

Helium and rare gas productsArgonKryptonXenon
Applicable field (uses covered by this announcement)

East Asian markets, primarily Japan

Contract Date25 December 2025
Relationship between the counterparty and the company
ASAHI EITO HOLDINGS CO.,LTD.5341
Relationship with the Company

On 25 December 2025, we entered into an agreement confirming a strategic cooperation framework. We are the exclusive partner for helium and rare gas products in the expansion into Japan by 杭氧特气 and Hangzhou Oxygen Plant Group. Hangzhou Oxygen Plant Group positions us as an important strategic partner in the Japanese market.

CounterpartyHangzhou Oxygen Plant Group Co., Ltd. (Hangzhou Oxygen Plant Group) and 杭氧特气

The parent company of 杭氧特气 and a company supplying rare gas products to overseas markets, including Japan. Other details regarding its locations, representatives, paid-in capital and year of establishment are Not disclosed.

Impact on Business Performance

As of now, the impact on consolidated results for the fiscal year ending November 2026 is expected to be minor.

The company does not address Contract Value / Offering price.

Source (materials cited by the company)

Announcements on helium export restrictions by the Ministry of Commerce of the People's Republic of China and the General Administration of Customs of the People's Republic of China

Announced details
ItemDetails
Names of Products / Services CoveredHelium and rare gas products, Argon, Krypton, Xenon
CounterpartyHangzhou Oxygen Plant Group Co., Ltd. (Hangzhou Oxygen Plant Group) and 杭氧特气
Counterparty overviewThe parent company of 杭氧特气 and a company supplying rare gas products to overseas markets, including Japan. Other details regarding its locations, representatives, paid-in capital and year of establishment are Not disclosed.
Relationship with the CompanyOn 25 December 2025, we entered into an agreement confirming a strategic cooperation framework. We are the exclusive partner for helium and rare gas products in the expansion into Japan by 杭氧特气 and Hangzhou Oxygen Plant Group. Hangzhou Oxygen Plant Group positions us as an important strategic partner in the Japanese market.
Contract Date25 December 2025
Applicable areaEast Asian markets, primarily Japan
Impact on Business PerformanceAs of now, the impact on consolidated results for the fiscal year ending November 2026 is expected to be minor.
SourceAnnouncements on helium export restrictions by the Ministry of Commerce of the People's Republic of China and the General Administration of Customs of the People's Republic of China
Items this document does not state (10)
Contract ValueOffering priceLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleQuantitative EffectsUsage history

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.

Hangzhou Oxygen Plant Group cited changes in global helium supply and demand, worsening conditions in the Middle East, and changes in trade relations with Russia as background to the helium export restrictions.

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Regarding the New Challenge, the “Noble Gas” Business, and the Formal Response from 杭気 Group | ASAHI EITO HOLDINGS CO.,LTD. (5341) timely disclosure | Komori