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

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Socar / Rights Offering Decision (Material Management Matter of a Subsidiary) / (2026.07.30) Rights Offering Decision (Material Management Matter of a Subsidiary)

Rights Offering Decision (Material Management Matter of a Subsidiary) Report on a material management matter of subsidiary APEX Mobility Inc.

1. Type and number of new shares: common shares 10,000; class shares - 2. Par value per share (KRW): 10,000 3. Total shares issued before the capital increase: common shares 65,001; class shares - 4. Purpose of the financing: facility funds -; business acquisition funds -; working capital KRW 10,000,000,000; debt repayment funds -; funds to acquire securities of another company -; other funds - 5. Capital increase method: third-party-allotted capital increase [In the case of a third-party-allotted capital increase] 6. New share issue price: common shares KRW 1,000,000; class shares - 7. Discount or premium rate to the reference share price (%): - 8. Articles-of-incorporation basis for the third-party allotment: Article 10, Paragraph 2 of the articles of incorporation 9. Payment date: 2026-07-30 10. Dividend record date for the new shares: 2026-01-01 11. Expected date of delivery of new share certificates: - 12. Matters related to in-kind contribution: - Is there an in-kind contribution: No - Does the in-kind contribution property include shares of an unlisted company: No - Value of shares to be paid in as in-kind contribution: 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): 2026-07-30 - Attendance of outside directors: present -, absent - - Attendance of auditor (audit committee member who is not an outside director): present 14. Whether a securities registration statement must be filed: Yes 15. If exempted from filing, the reason: Does not constitute a public offering, and the subsidiary is an unlisted company 16. Whether subject to Fair Trade Commission reporting: Yes 17. Other matters material to investment decisions - This disclosure concerns a rights offering resolution by subsidiary APEX Mobility Inc., which is 100%-owned by Socar Inc. - Regarding the above "18. Board resolution date (decision date)," APEX Mobility Inc. has paid-in capital of under KRW 1 billion as of the resolution date and has two directors, so it has no board of directors. Accordingly, "attendance of outside directors" and "attendance of auditor (audit committee member who is not an outside director)" have been omitted, and, per the Commercial Act, a shareholders' meeting resolution was substituted for a board resolution on this rights offering; the board resolution date (decision date) therefore refers to the shareholders' meeting resolution date. - In "Matters related to the subsidiary" below, "total assets of the subsidiary" has been omitted because the company was established in 2026, and "consolidated total assets of the parent company" is based on the company's consolidated financial statements as of the end of 2025. ※ Related disclosures: -

[Basis and purpose of the third-party allotment] Articles-of-incorporation basis for the third-party allotment: Article 10, Paragraph 2 of the articles of incorporation Purpose of the third-party-allotted capital increase: APEX Mobility Inc. is a legal entity dedicated to the phased commercialization of autonomous driving services, and this increase is to secure the funds needed for initial business operations

[Selection process, transaction history and allotment details for each third-party allottee] Allottee: Socar Inc.; relationship to the company or largest shareholder: parent company; selection process: selected considering investment intent, the company's management objectives, etc.; transactions within 6 months before/after the capital increase decision: -; shares allotted: 10,000; note: -

[Specific purpose of use of funds raised through the third-party allotment, working capital/other funds] (Unit: KRW million) Fund use: working capital; details: to be used for the phased commercialization development of autonomous driving services; amount scheduled by year: 2026: 10,000; 2027: -; 2028 and after: -; total: 10,000

[Matters related to the subsidiary] Subsidiary name: APEX Mobility Inc. (English: APEX Mobility Inc.) Representative: Park Jae-wook Main business: development, supply and operation of autonomous driving systems, etc. Whether it is a major subsidiary: not applicable Total assets of the subsidiary (KRW): - Consolidated total assets of the parent company (KRW): 588,095,027,083 Consolidated total assets of the parent company, as a percentage (%): -