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Other Disclosures4186TOKYO OHKA KOGYO CO.,LTD.Materials and Chemicals

Notice Regarding the Completion of the Pyeongtaek Plant at a Korean Subsidiary

The Korean subsidiary has completed a new plant for high-purity chemicals in Pyeongtaek City. The plant is scheduled to begin operations in the first half of 2027, strengthening production and supply capabilities in South Korea.

Worth reading
66In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
120
Hundreds of millions of yen
Wording
Conditional
How definitive the wording is.

Announced details

High-purity chemicalsPhotoresists
Applicable field (uses covered by this announcement)

Cutting-edge semiconductor manufacturing; South Korean semiconductor market

Launch dateFirst half of 2027 (scheduled start of operations)
Relationship between the counterparty and the company
TOKYO OHKA KOGYO CO.,LTD.4186
Relationship with the Company

Consolidated subsidiary.

CounterpartyTOK 尖端材料株式会社 (TOKAM)

Our consolidated subsidiary headquartered in Incheon Metropolitan City, South Korea. Established in 2012, it is the TOK Group's research and development, manufacturing and sales base for photoresists in South Korea.

Location (as indicated in this announcement)

Pyeongtaek City, Gyeonggi Province, South Korea

Total floor area: approximately 6,300 m². High-purity chemicals manufacturing building, warehouse and ancillary facilities.
Impact on Business Performance

Already reflected in the consolidated earnings forecast announced on 6 August 2026.

The company does not address Contract Value / Offering price.

Announced details
ItemDetails
Names of Products / Services CoveredHigh-purity chemicals, Photoresists
CounterpartyTOK 尖端材料株式会社 (TOKAM)
Counterparty overviewOur consolidated subsidiary headquartered in Incheon Metropolitan City, South Korea. Established in 2012, it is the TOK Group's research and development, manufacturing and sales base for photoresists in South Korea.
Relationship with the CompanyConsolidated subsidiary.
Launch dateFirst half of 2027 (scheduled start of operations)
Applicable areaCutting-edge semiconductor manufacturing; South Korean semiconductor market
LocationPyeongtaek City, Gyeonggi Province, South Korea
Location scaleTotal floor area: approximately 6,300 m². High-purity chemicals manufacturing building, warehouse and ancillary facilities.
Impact on Business PerformanceAlready reflected in the consolidated earnings forecast announced on 6 August 2026.
Items this document does not state (9)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateQuantitative EffectsUsage historySource

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 ensure a stable supply of high-purity chemicals from a location close to customers in South Korea and respond quickly and flexibly to customer needs. The project also aims to build a robust supply chain and expand the production base in preparation for growth in the semiconductor market.

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.
Notice Regarding the Completion of the Pyeongtaek Plant at a Korean Subsidiary | TOKYO OHKA KOGYO CO.,LTD. (4186) timely disclosure | Komori