Rights offering (paid-in capital increase) decision (subsidiary)

What happened

Rights Offering Decision (Material Matter of Subsidiary), Report on a material matter of subsidiary Gokseong Green Wind Power Co., Ltd.

1. Type and number of new shares: Common shares (shares): 2,862,700; Class shares (shares): -

2. Par value per share (KRW): 10,000

3. Total shares issued before the capital increase: Common shares (shares): 670,000; Class shares (shares): -

4. Purpose of capital raise: Facility funds (KRW): -; Funds for business acquisition (KRW): -; Working capital (KRW): 23,091,000,000; Debt repayment funds (KRW): 5,536,000,000; Funds to acquire securities of another company (KRW): -; Other funds (KRW): -

5. Method of capital increase: Third-party-allocated rights offering

[In the case of a third-party-allocated rights offering]

6. New share issue price: Common shares (KRW): 10,000; Class shares (KRW): -

7. Discount or premium rate to reference share price (%): -

8. Articles of incorporation basis for the third-party allotment: Article 11 of the Articles of Incorporation

9. Payment date: 2026-09-04

10. Dividend record date for new shares: 2026-01-01

11. Expected date of new share certificate delivery: -

12. Matters concerning in-kind contribution: - Whether there is an in-kind contribution: No - Whether the in-kind contribution property includes shares of an unlisted company: No - In-kind contribution value of shares to be paid in: In-kind contribution value (KRW): -; as a percentage of the Company's total assets for the most recent fiscal year (%): -; Number of shares to be paid in: -

13. Board resolution date (decision date): 2026-09-02, Outside directors' attendance: Present (persons): -, Absent (persons): -; Attendance of auditor (audit committee member who is not an outside director): Present

14. Subject to securities registration statement filing: No

15. Reason for exemption from filing, if applicable: Not subject to a securities registration statement because this is a third-party-allocated rights offering by a domestic, wholly (100%) owned, unlisted subsidiary.

16. Subject to Fair Trade Commission reporting: No

17. Other matters for investment reference: - The subsidiary's total assets and the parent company's consolidated total assets in [Matters Concerning the Subsidiary] below are as of the end of December 2025. - "As a percentage of parent company's consolidated total assets" in [Matters Concerning the Subsidiary] below states the ratio of the capital increase amount.

Related disclosures: -

[Basis and Purpose of the Third-Party Allotment] Articles of incorporation provision that is the basis for the third-party allotment: Article 11 (Subscription Rights) of the Articles of Incorporation Purpose of the third-party-allocated capital increase: To achieve management objectives such as introduction of new technology, business diversification, overseas expansion, improvement of financial structure, and smooth funding

[Selection Process, Transaction History, and Allotment Details by Third-Party Allottee] Allottee: Dae Myoung Energy; Relationship with the company or largest shareholder: Largest shareholder; Selection process: Selected by board resolution considering payment capacity and timing, in order to achieve the Company's management objectives and raise funds promptly; Transaction history and plans within 6 months before/after the capital increase decision: Plans to fully repay a loan of KRW 5,536,000,000; Shares allotted: 1,862,700; Note: - Allottee: Woori Bank; Relationship with the company or largest shareholder: -; Selection process: Selected by board resolution considering payment capacity and timing, in order to achieve the Company's management objectives and raise funds promptly; Transaction history and plans within 6 months before/after the capital increase decision: -; Shares allotted: 1,000,000; Note: -

[Specific Purpose of Use of Third-Party-Allotted Funds, Working Capital / Other Funds] (Unit: KRW) Use of funds: Working capital; Detail: EPC construction payment; Planned amount by year, 2026: 23,091,000,000; 2027: -; 2028 and after: -; Total: 23,091,000,000

[Specific Purpose of Use of Third-Party-Allotted Funds, Debt Repayment Funds] (Unit: KRW) Borrower: Gokseong Green Wind Power; Lender: Dae Myoung Energy; Loan amount: 2,236,000,000; Loan date: 2025-03-17; Maturity date: 2045-03-17; Interest rate: 4.6% Borrower: Gokseong Green Wind Power; Lender: Dae Myoung Energy; Loan amount: 1,000,000,000; Loan date: 2025-10-24; Maturity date: 2045-03-17; Interest rate: 4.6% Borrower: Gokseong Green Wind Power; Lender: Dae Myoung Energy; Loan amount: 1,300,000,000; Loan date: 2026-02-19; Maturity date: 2046-02-19; Interest rate: 4.6% Borrower: Gokseong Green Wind Power; Lender: Dae Myoung Energy; Loan amount: 1,000,000,000; Loan date: 2026-04-24; Maturity date: 2046-04-24; Interest rate: 4.6%

[Matters Concerning the Subsidiary] Subsidiary name: Gokseong Green Wind Power Co., Ltd. (English: -) Representative: Noh Gwang-cheol Main business: Wind power generation Whether it is a major subsidiary: Yes Total assets of the subsidiary (KRW): 11,337,937,194 Parent company's consolidated total assets (KRW): 381,763,739,175 As a percentage of parent company's consolidated total assets (%): 7.5