[Amended] Supply contract signed

What happened

Sungwoo Techron / Supply Contract Signed / (2026.09.30) Supply Contract Signed

Amendment Report Amendment date: 2026-09-30

1. Disclosure document being amended: Supply Contract Signed 2. Filing date of the disclosure document being amended: 2026-07-29 3. Reason for amendment: 1. Extension of the setup period after delivery 2. Amendment of the non-disclosure deadline

4. Amendment details Item: Before amendment -> After amendment 5. Contract period - End date: 2026-09-30 -> 2026-10-31 9. Non-disclosure details - Non-disclosure deadline: 2026-09-30 -> 2026-10-31

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Supply Contract Signed

1. Content of the sales/supply contract: Automatic inspection equipment and other items 2. Contract details Conditional contract: Not applicable Confirmed contract amount: KRW 5,479,000,000 Conditional contract amount: 0 Total contract amount (KRW): 5,479,000,000 Most recent revenue (KRW): 41,687,064,810 Ratio to revenue (%): 13.14 3. Counterparty: -; Counterparty's most recent revenue (KRW): -; Counterparty's main business: -; Relationship with the company: -; Whether the company has performed a similar contract with the counterparty in the past 3 years: Not applicable 4. Sales/supply region: Domestic (South Korea) 5. Contract period: Start date 2025-11-24; End date 2026-10-31 6. Key contract terms: Down payment/advance payment: Yes; Payment terms: Down payment (30%), interim payment (30%), balance (40%) 7. Sales/supply method: In-house production: Applicable; Outsourced production: Not applicable; Other: - 8. Contract (order) date: 2025-11-24 9. Non-disclosure details: Non-disclosure deadline: 2026-10-31; Reason for non-disclosure: Protection of the company's business secrets 10. Other matters for investment reference: - The "most recent revenue (KRW)" in item 2 above is based on the 2024 consolidated financial statements. - The "contract amount" in item 2 above excludes VAT. - The "contract (order) date" in item 8 above is the date stated on the purchase contract.

Related disclosure: 2026-07-29 Supply Contract Signed