Treasury share acquisition: results report

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Treasury Share Acquisition: Results Report 6.0 GHOST STUDIO Co., Ltd. Treasury Share Acquisition: Results Report To the Governor of the Financial Supervisory Service August 14, 2026

Company name: GHOST STUDIO Co., Ltd. Representative directors: Son Chang-wook, Choi Myeong-gyu Head office address: FLAT D1, 36/F, MONTEREY PLAZA, 15 CHONG YIP STREET, KWUN TONG, KOWLOON, HONG KONG (Phone) 852-2838-8510 (Website) http://www.ghoststudio.net Preparer: (Title) CIO (Name) Choi Won-seok (Phone) 070-4154-3328

1. Name and address of the issuer a. Name: GHOST STUDIO Co., Ltd. b. Address: 2601-02, 26/F, 308 Central, Des Voeux Road Central, Sheung Wan, Hong Kong

2. Details of the acquisition report a. Date the material event report was filed: May 29, 2026 b. Acquisition period: from June 10, 2026 to August 14, 2026 * The above "acquisition period" is based on trade execution dates.

3. Acquisition details (Unit: KRW, shares) All trades below were executed through Kyobo Securities (financial investment business ID 00113359). Figures given per date are: order quantity / quantity acquired / price per share / total acquisition amount.

2026-06-10: common stock; order quantity 40,000; acquired 40,000; price per share KRW 8,661; total KRW 346,459,450 2026-06-11: common stock; order quantity 40,000; acquired 3,388; price per share KRW 8,773; total KRW 29,725,290 2026-06-12: common stock; order quantity 40,000; acquired 20,880; price per share KRW 9,225; total KRW 192,634,400 2026-06-15: common stock; order quantity 40,000; acquired 12,748; price per share KRW 9,305; total KRW 118,622,400 2026-06-16: common stock; order quantity 40,000; acquired 28,045; price per share KRW 9,373; total KRW 262,882,090 2026-06-17: common stock; order quantity 40,000; acquired 22,290; price per share KRW 9,466; total KRW 211,015,600 2026-06-18: common stock; order quantity 40,000; acquired 22,988; price per share KRW 9,447; total KRW 217,172,310 2026-06-19: common stock; order quantity 40,000; acquired 40,000; price per share KRW 9,479; total KRW 379,180,000 2026-06-22: common stock; order quantity 40,000; acquired 40,000; price per share KRW 9,457; total KRW 378,318,400 2026-06-23: common stock; order quantity 40,000; acquired 29,230; price per share KRW 9,021; total KRW 263,701,580 2026-06-24: common stock; order quantity 40,000; acquired 16,294; price per share KRW 9,013; total KRW 146,857,980 2026-06-25: common stock; order quantity 40,000; acquired 10,865; price per share KRW 9,252; total KRW 100,530,640 2026-06-26: common stock; order quantity 40,000; acquired 40,000; price per share KRW 9,061; total KRW 362,440,000 2026-06-29: common stock; order quantity 40,000; acquired 40,000; price per share KRW 9,069; total KRW 362,770,000 2026-06-30: common stock; order quantity 40,000; acquired 3,509; price per share KRW 9,192; total KRW 32,257,990 2026-07-01: common stock; order quantity 40,000; acquired 316; price per share KRW 9,289; total KRW 2,935,480 2026-07-02: common stock; order quantity 40,000; acquired 40,000; price per share KRW 9,345; total KRW 373,818,830 2026-07-03: common stock; order quantity 40,000; acquired 24,002; price per share KRW 8,944; total KRW 214,677,840 2026-07-06: common stock; order quantity 50,000; acquired 18,077; price per share KRW 9,344; total KRW 168,914,740 2026-07-07: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,307; total KRW 465,380,000 2026-07-08: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,243; total KRW 462,190,000 2026-07-09: common stock; order quantity 50,000; acquired 16,012; price per share KRW 9,045; total KRW 144,837,280 2026-07-10: common stock; order quantity 50,000; acquired 1,981; price per share KRW 9,388; total KRW 18,599,140 2026-07-13: common stock; order quantity 50,000; acquired 31,570; price per share KRW 9,461; total KRW 298,695,300 2026-07-14: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,309; total KRW 465,459,800 2026-07-15: common stock; order quantity 50,000; acquired 8,735; price per share KRW 9,422; total KRW 82,301,460 2026-07-16: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,366; total KRW 468,319,350 2026-07-20: common stock; order quantity 60,000; acquired 31,743; price per share KRW 9,314; total KRW 295,678,170 2026-07-21: common stock; order quantity 60,000; acquired 36,111; price per share KRW 9,373; total KRW 338,472,050 2026-07-22: common stock; order quantity 60,000; acquired 39,150; price per share KRW 9,788; total KRW 383,237,180 2026-07-23: common stock; order quantity 60,000; acquired 34,945; price per share KRW 9,905; total KRW 346,164,000 2026-07-24: common stock; order quantity 60,000; acquired 59,959; price per share KRW 9,946; total KRW 596,389,680 2026-07-27: common stock; order quantity 70,000; acquired 34,762; price per share KRW 10,074; total KRW 350,205,880 2026-07-28: common stock; order quantity 70,000; acquired 39,571; price per share KRW 10,146; total KRW 401,505,710 2026-07-29: common stock; order quantity 70,000; acquired 50,231; price per share KRW 9,915; total KRW 498,046,840 2026-07-30: common stock; order quantity 70,000; acquired 58,033; price per share KRW 9,931; total KRW 576,356,370 2026-07-31: common stock; order quantity 70,000; acquired 30,858; price per share KRW 9,921; total KRW 306,145,620 2026-08-03: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,858; total KRW 492,920,000 2026-08-04: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,705; total KRW 485,260,000 2026-08-05: common stock; order quantity 50,000; acquired 23,354; price per share KRW 9,579; total KRW 223,724,100 2026-08-06: common stock; order quantity 50,000; acquired 50,000; price per share KRW 9,411; total KRW 470,580,000 2026-08-10: common stock; order quantity 10,000; acquired 5,000; price per share KRW 8,536; total KRW 42,680,000 2026-08-11: common stock; order quantity 10,000; acquired 2,379; price per share KRW 8,898; total KRW 21,169,310 2026-08-12: common stock; order quantity 10,000; acquired 4,156; price per share KRW 9,031; total KRW 37,536,200 2026-08-13: common stock; order quantity 10,000; acquired 0; price per share KRW 0; total KRW 0 2026-08-14: common stock; order quantity 22,962; acquired 22,278; price per share KRW 9,328; total KRW 207,810,850

Total: order quantity 2,082,962; acquired 1,333,460; average price per share KRW 9,376; total acquisition amount KRW 12,644,579,310

* The above "date" is based on trade execution dates. * The above "price per share" is the average price, rounded down below one won. * The above "total acquisition amount" excludes brokerage fees.

4. Whether the planned acquisition matches the actual acquisition Planned acquisition amount (KRW): common stock 12,644,582,400; other stock - Total acquisition amount (KRW): common stock 12,644,579,310; other stock - Whether the planned amount was not reached: No Reason if not reached: -

Note: The company completed the treasury share purchase within the planned acquisition amount stated in the material event report (decision to acquire treasury shares). Due to share price movements during the buyback period, a difference arose between the planned number of shares to be acquired stated in the material event report (1,756,192 shares) and the actual number of shares acquired (1,333,460 shares).

5. Status of treasury shares, etc. held after the acquisition [as of August 14, 2026] (Unit: KRW, shares, %) Common stock: Holdings under Article 165-3 of the Act (A) - quantity 1,333,460, ratio 10.24%, total value KRW 12,644,579,310; Holdings under a trust agreement under Article 165-3 of the Act (B) - quantity -, ratio -, contract amount -; Total (A+B) - quantity 1,333,460, ratio 10.24%, amount KRW 12,644,579,310 Total: quantity 1,333,460, ratio 10.24%, total value KRW 12,644,579,310 (A); - (B); quantity 1,333,460, ratio 10.24%, amount KRW 12,644,579,310 (A+B) * The above "ratio" is calculated against total shares outstanding (KDR) of 13,017,059 shares. * The above "total value" does not include brokerage fees.

6. Changes in the largest shareholder's shareholding before and after the acquisition [as of August 14, 2026] (Unit: shares) Name: Mtwoon Co., Ltd.; Type of share: Common stock; Shares at acquisition report date: 5,729,000; Shares at acquisition end date: 5,729,000; Reason for change: - Total: Common stock; 5,729,000; 5,729,000; - Grand total: 5,729,000; 5,729,000; -