[Amended] Material event report (equity acquisition)

What happened

Decision to acquire shares and equity securities of another company 6.1 Nexa Dynamics Co., Ltd.

Amendment report August 13, 2026

1. Disclosure document subject to amendment: Material event report (decision to acquire shares and equity securities of another company) 2. Date of initial filing of the disclosure document subject to amendment: 2026-04-13 3. Amended items Item / Reason for amendment / Before amendment / After amendment

Item "2. Acquisition details" (reason: change in acquisition details due to execution of the amended contract): - Shares acquired (shares): Before 21,000 / After 8,925 - Acquisition amount (KRW)(A): Before 20,000,001,000 / After 8,500,000,425 - As % of total assets (A/B): Before 34.33 / After 14.59 - As % of equity (A/C): Before 89.77 / After 38.15

Item "3. Shares owned and equity ratio after acquisition" (reason: change in acquisition details due to execution of the amended contract): - Shares owned (shares): Before 21,000 / After 8,925 - Equity ratio (%): Before 100.00 / After 42.50

Item "6. Counterparty" (reason: change in acquisition details due to execution of the amended contract): - Company name (name): Before "Kim Jin-man, Jeong Cheol-ung, Ha Ji-won, Lee Jin-young, Kim Byeong-hun" / After "Kim Jin-man, Jeong Cheol-ung, Ha Ji-won"

Item "7. Payment of transaction price" (reason: change in acquisition details due to execution of the amended contract): Before amendment: a. Payment form and funding method: payment in kind via convertible bonds and corporate bonds, etc. b. Payment amount by counterparty: (1) Kim Jin-man - shares transferred: 9,000 shares - sale price: KRW 8,571,429,000 (2) Jeong Cheol-ung - shares transferred: 8,350 shares - sale price: KRW 7,952,381,350 (3) Ha Ji-won - shares transferred: 2,500 shares - sale price: KRW 2,380,952,500 (4) Lee Jin-young - shares transferred: 650 shares - sale price: KRW 619,047,650 (4) Kim Byeong-hun [item number (4) repeated as stated in the filing] - shares transferred: 500 shares - sale price: KRW 476,190,500

After amendment: a. Payment form and funding method: payment in kind via convertible bonds (KRW 8.5 billion) and cash (KRW 425) payment b. Payment amount by counterparty: (1) Kim Jin-man - shares transferred: 3,675 shares - sale price: KRW 3,500,000,175 (2) Jeong Cheol-ung - shares transferred: 4,200 shares - sale price: KRW 4,000,000,200 (3) Ha Ji-won - shares transferred: 1,050 shares - sale price: KRW 1,000,000,050

MATERIAL EVENT REPORT To: Financial Services Commission April 13, 2025 (as stated in the filing; inconsistent with the "date of initial filing" of 2026-04-13 given above)

Company name: Nexa Dynamics Co., Ltd. CEO: Lee Jeong-ju, Shin Dong-hee Head office address: 25, MTV 26-ro 58-gil, Siheung-si, Gyeonggi-do (Phone) 031-433-4711 (Website) http://www.nexadynamics.kr Preparer: (Title) CEO (Name) Shin Dong-hee (Phone) 031-433-4711

Decision to acquire shares and equity securities of another company

1. Issuing company Company name: The Star Partners Co., Ltd. Nationality: South Korea Representative: Kim Jin-man Capital (KRW): 105,000,000 Relationship with the Company: - Total shares issued (shares): 21,000 Main business: Awards and artist performance planning - Whether new shares were acquired via third-party allotment in the last 6 months: No

2. Acquisition details Shares acquired (shares): 8,925 Acquisition amount (KRW)(A): 8,500,000,425 Total assets (KRW)(B): 58,258,802,617 As % of total assets (A/B): 14.59 Equity (KRW)(C): 22,280,332,842 As % of equity (A/C): 38.15

3. Shares owned and equity ratio after acquisition Shares owned (shares): 8,925 Equity ratio (%): 42.50

4. Purpose of acquisition Enhancing corporate value through entry into new business

5. Expected acquisition date 2026-04-21

6. Counterparty Company name (name): Kim Jin-man, Jeong Cheol-ung, Ha Ji-won Capital (KRW): - Main business: - Head office address: - Relationship with the Company: -

7. Payment of transaction price a. Payment form and funding method: payment in kind via convertible bonds (KRW 8.5 billion) and cash (KRW 425) payment b. Payment amount by counterparty (1) Kim Jin-man - shares transferred: 3,675 shares - sale price: KRW 3,500,000,175 (2) Jeong Cheol-ung - shares transferred: 4,200 shares - sale price: KRW 4,000,000,200 (3) Ha Ji-won - shares transferred: 1,050 shares - sale price: KRW 1,000,000,050

8. Matters related to external valuation Whether externally valuated: Yes - Basis and reason: a. Basis: adequacy assessment under Article 161, Paragraph 1, Item 7 of the Financial Investment Services and Capital Markets Act and Article 171, Paragraph 2, Item 5 of its Enforcement Decree b. Reason: reference material to judge the adequacy of the acquisition price decided by the Company, and attachment to the material event report Name of external valuation institution: Haesol Accounting Corporation External valuation period: 2026-03-31 ~ 2026-04-13 External valuation opinion: Adequate

9. Board resolution date (decision date): 2026-04-13 - Independent (outside) director* attendance: Present (persons): 2; Absent (persons): - - Auditor (audit committee member who is not an independent (outside) director*) attendance: Present

10. Whether this constitutes a backdoor listing: Not applicable - Plans for third-party placement capital increase, etc. within the next 6 months: Yes

11. Whether the issuing company (other company) meets backdoor listing requirements: Not applicable

12. Whether subject to Fair Trade Commission filing: Not applicable

13. Whether a put option or similar contract has been entered into: No - Contract details: -

14. Future plans for corporate restructuring - Not applicable as of the report preparation date.

15. Other important matters relevant to investment decisions a. The "total assets" in "2. Acquisition details" above is based on the consolidated financial statements as of the end of the immediately preceding fiscal year (end of 2025), prepared under Korean IFRS (K-IFRS). b. The "equity" in "2. Acquisition details" above reflects the consolidated financial statements' equity as of the end of the most recent fiscal year (end of 2025), adjusted for changes in capital stock and capital surplus as of the date this disclosure was prepared. c. Details such as the above acquisition schedule and payment of transaction price may change depending on consultation with the counterparty.

* Related disclosures: Not applicable

[Summary financial status of the issuing company] (Unit: KRW million) Category: Total assets / Total liabilities / Total equity / Capital / Revenue / Net income / Audit opinion / External auditor Current year: 1,990 / 675 / 1,315 / 105 / 5,943 / 237 / - / - Prior year: 1,807 / 729 / 1,078 / 105 / 5,855 / 41 / - / - Year before that: 1,773 / 736 / 1,037 / 105 / 2,984 / 136 / - / - Note: current year (end of 2025), prior year (end of 2024), year before that (end of 2023)

[Matters related to the counterparty] 1. Personal details - Basic information Name: Kim Jin-man / Jeong Cheol-ung / Ha Ji-won Nationality: South Korea / South Korea / South Korea Address (head office address) [stated only down to the township/town/district level]: Haengsin-dong, Deogyang-gu, Goyang-si, Gyeonggi-do / Junggok 4-dong, Gwangjin-gu, Seoul / Sangil-dong, Gangdong-gu, Seoul Occupation (business details): Executive, etc.

- Status of largest shareholder, CEO, representative executive officer, and financial status, etc. (where the counterparty is a corporation) Category: Name / Number of shares / Equity ratio (%) Largest shareholder: - / - / - (Unit: KRW million) Most recent fiscal year: - ; Settlement period: - ; Total assets: - ; Capital: - ; Total liabilities: - ; Revenue: - ; Total equity: - ; Net income (loss): - ; External auditor: - ; Whether in business suspension: - ; Audit opinion: - ; Whether closed: -

2. Relationship with the company or its largest shareholder/executives - Relationship between the company and the counterparty: - - Relationship between the company's largest shareholder/executives and the counterparty Name / Relationship with counterparty: - / -

3. Transaction history over the last 3 years (excluding ordinary transactions) Category: Transaction details Current year: - Prior year: - Year before that: -