[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A later amendment corrects this filing, so the terms on this page may be out of date.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) →

What happened

Amendment Report

Amendment date: 2026-09-01

1. Disclosure document being amended: Single Sale/Supply Contract Signed

2. Filing date of the disclosure document being amended: 2026-07-28

3. Reason for amendment: Amendment of stated matters due to change of contract end date, etc.

4. Amended items: Item: 5. Contract period, End date: Before: 2026-09-07; After: 2026-09-28 Item: 9. Matters related to disclosure deferral, Deferral deadline: Before: 2026-09-07; After: 2026-09-28

Related disclosures: 2025-07-31 Single Sale/Supply Contract Signed; 2026-03-25 Single Sale/Supply Contract Signed; 2025-07-31 Single Sale/Supply Contract Signed; 2026-03-25 Single Sale/Supply Contract Signed; 2026-07-28 Single Sale/Supply Contract Signed - As of the amendment date, the delivery progress of this order is approximately 84.5%.

Single Sale/Supply Contract Signed

1. Content of the sale/supply contract: Special alloy raw material supply contract

2. Contract details: 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 a percentage of revenue (%): 1,097.67

3. Counterparty: A U.S. global space-launch company; Most recent revenue (KRW): -; Main business: -; Relationship with the Company: -; Performance of similar contracts with the Company in the past 3 years: Yes

4. Sale/supply region: Overseas

5. Contract period: Start date 2026-03-25; End date 2026-09-28

6. Key contract terms: Down payment/advance payment: No; Payment terms, etc.: 30 days from the 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 related to disclosure deferral: Deferral deadline: 2026-09-28; Reason for deferral: Counterparty's request to keep trade secrets confidential

10. Other matters for investment reference: - The contract amount in "2. Contract details" above is USD 18,738,416, converted using the initial quoted exchange rate of the Seoul Money Brokerage Services as of March 25, 2026 (KRW 1,498.30/USD). - The most recent revenue in "2. Contract details" above is stated based on revenue per the consolidated financial statements for fiscal year 2024, pursuant to Article 3, Paragraph 4 of the KOSDAQ Market Disclosure Regulation. - Counterparty information in "3. Counterparty" above (the counterparty's company name, most recent revenue, relationship with the Company, and items delivered) has been omitted at the counterparty's request to maintain trade secret confidentiality. - The end date of the contract period in "5." above is the expected end date considering the anticipated schedule for receiving payment after delivery; any future schedule change will be disclosed in an amendment. - The contract period start date in "5." above and the contract (order) date in "8." above are based on the date the purchase order (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 Single Sale/Supply Contract Signed; 2026-03-25 Single Sale/Supply Contract Signed; 2026-07-28 Single Sale/Supply Contract Signed