A new supply contract.

Conclusion of Single Sales and Supply Contract

1. Classification of Sales and Supply Contract Construction Contract Award - Contract Name: Jeonnung Urban Environment Improvement Project

2. Contract Details Contract Amount (KRW): 636,077,441,000 Recent Sales (KRW): 8,054,627,137,857 Percentage of Sales (%): 7.90 Large Corporation Status: Applicable

3. Contracting Party Jeonnung Urban Environment Improvement Project Association - Relationship with Company: -

4. Sales and Supply Area Seoul, Dongdaemun-gu, Jeonnung-dong, 494-1 and surrounding area

5. Contract Period Start Date: - End Date: -

6. Major Contract Terms Downpayment and Advance Payment: None Payment Conditions, etc.: Apartment Sales

7. Contract (Order) Date 2026-09-16

8. Disclosure Reservation Related Matters Reason for Reservation: - Reservation Period: -

9. Other Material Matters Related to Investment Decisions - Project Overview: Apartment complex with 4 buildings, 1,104 units, 8 basement floors to 49 above-ground floors - The contract amount in Section 2 above is exclusive of value-added tax - The recent sales amount in Section 2 above is based on consolidated financial statements as of the end of 2025 - The contract period in Section 5 above is 62 months from the actual start of construction - The contract amount and contract period may change depending on the conditions of the construction contract agreement, etc.

※ Related Disclosures: -