[Amended] Supply contract signed

A later amendment corrects this filing, so the terms on this page may be out of date. See the latest version (2026-10-19) →

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Sphere / Supply contract signed / (2026.07.28) Supply contract signed

Amendment Report (Filing), Amendment date: 2026-07-28 1. Disclosure document related to the amendment: Supply contract signed 2. Filing date of the disclosure document related to the amendment: 2026-03-25 3. Reason for amendment: Amendment of stated matters due to a change in the contract end date, etc. 4. Amended items

Item: 5. Contract period, End date Before amendment: 2026-08-03 After amendment: 2026-09-07

Item: 9. Matters relating to disclosure deferral, Deferral deadline Before amendment: 2026-08-03 After amendment: 2026-09-07

Related disclosures: 2025-07-31 Supply contract signed; 2025-07-31 Supply contract signed; 2026-03-25 Supply contract signed - As of the date of this amendment, the delivery-completion rate for this contract is approximately 71.4%, and the proceeds-collection rate is approximately 63.6%.

Supply Contract Signed 1. Content of the sale/supply contract: Special-alloy raw-material supply contract 2. Contract details: Whether a conditional contract: Not applicable; Confirmed contract amount: 28,075,768,692; Conditional contract amount: -; Total contract amount (KRW): 28,075,768,692; Most recent revenue (KRW): 2,557,761,611; As % of revenue: 1,097.67 3. Counterparty: A US global aerospace launch company, Most recent revenue (KRW): -; Main business: -; Relationship with the company: -; Whether the company has performed a similar contract with the counterparty in the last 3 years: Yes 4. Sale/supply region: Overseas 5. Contract period: Start date 2026-03-25, End date 2026-09-07 6. Key contract terms: Whether there is a contract deposit/advance payment: No; Payment terms, etc.: 30 days from invoice date 7. Sale/supply method: In-house production: Not applicable; Outsourced production: Not applicable; Other: - 8. Contract (order) date: 2026-03-25 9. Matters relating to disclosure deferral: Deferral deadline: 2026-09-07; Reason for deferral: Counterparty's request to keep its trade secrets confidential 10. Other matters for reference in investment decisions - The contract amount in Item 2 above is USD 18,738,416, stated as converted using the Seoul Money Brokerage Services initial base exchange rate quoted on March 25, 2026 (KRW 1,498.30/USD). - The most recent revenue figure in Item 2 above is stated based on revenue from the fiscal year 2024 consolidated financial statements, in accordance with Article 3, Paragraph 4 of the KOSDAQ Market Disclosure Regulations. - The counterparty information in Item 3 above (the counterparty's company name, most recent revenue, relationship with the company, and the items supplied) is not disclosed at the counterparty's request to maintain its trade secrets. - The end date of the contract period in Item 5 above is the expected end date, reflecting the anticipated schedule for receiving payment after delivery; any future schedule change will be disclosed through an amendment report. - The start date of the contract period in Item 5 above and the contract (order) date in Item 8 above are based on the date the P/O document was received (confirmed). - The above contract details may change through consultation with the counterparty depending on progress.

Related disclosures: 2025-07-31 Supply contract signed; 2026-03-25 Supply contract signed