Enters into KRW 2.4 Billion Supply Contract for AI Data Center Optical Transceivers

Signed a supply contract for AI data center optical transceivers (400G, 800G) with a contract amount of approximately KRW 2.42 billion (excluding VAT)
Contract amount represents 10.38% of recent sales (2024 basis: KRW 23.3 billion)
Contract period: May 18, 2026 to July 7, 2026 (based on delivery and final inspection completion)
Counterparty undisclosed due to trade secret protection request
Production via outsourcing (not in-house); company has experience with similar contracts in the past 3 years
Note: Sales figures based on 2024 audited financials due to denial of audit opinion for 2025; contract terms subject to change