Treasury share acquisition: results report

What happened

Treasury Share Acquisition: Results Report 6.0 Misto Holdings Co., Ltd. Treasury Share Acquisition: Results Report To the Governor of the Financial Supervisory Service August 11, 2026 Company name: Misto Holdings Co., Ltd. CEO: Yoon Geun-chang Head office address: 35 Bomun-ro, Seongbuk-gu, Seoul (Tel) 1533-6400 (Website) https://www.mistoholdings.com Preparer: (Title) Head of Management Strategy Division (Name) Lee Ho-yeon (Tel) 1533-6400

1. Issuer's name and address (a) Name: Misto Holdings Co., Ltd. (b) Address: 35 Bomun-ro, Seongbuk-gu, Seoul

2. Acquisition reporting (a) Material event report filing date: May 13, 2026 (b) Acquisition period: May 14, 2026 to August 11, 2026 (trade-date basis)

3. Acquisition details (KRW, shares; by trade date - quantity ordered, quantity acquired, average acquisition price per share, total acquisition amount, brokerage firm, financial investment business ID) 2026.05.14: common shares; ordered 10,000; acquired 6,000; price 38,217; amount 229,300,000; Eugene Investment & Securities; 00131054 2026.05.15: common shares; ordered 10,000; acquired 8,000; price 39,388; amount 315,100,000; Eugene Investment & Securities; 00131054 2026.05.18: common shares; ordered 7,000; acquired 5,000; price 40,569; amount 202,842,500; Eugene Investment & Securities; 00131054 2026.05.19: common shares; ordered 7,000; acquired 5,000; price 40,454; amount 202,268,400; Eugene Investment & Securities; 00131054 2026.05.20: common shares; ordered 5,000; acquired 5,000; price 39,060; amount 195,300,000; Eugene Investment & Securities; 00131054 2026.05.21: common shares; ordered 5,000; acquired 4,171; price 38,846; amount 162,025,600; Eugene Investment & Securities; 00131054 2026.05.22: common shares; ordered 5,000; acquired 5,000; price 39,125; amount 195,625,000; Eugene Investment & Securities; 00131054 2026.05.26: common shares; ordered 5,000; acquired 5,000; price 39,240; amount 196,200,000; Eugene Investment & Securities; 00131054 2026.05.27: common shares; ordered 3,000; acquired 2,207; price 37,990; amount 83,843,150; Eugene Investment & Securities; 00131054 2026.05.28: common shares; ordered 3,000; acquired 3,000; price 37,607; amount 112,820,700; Eugene Investment & Securities; 00131054 2026.05.29: common shares; ordered 3,000; acquired 3,000; price 37,275; amount 111,825,000; Eugene Investment & Securities; 00131054 2026.06.01: common shares; ordered 3,000; acquired 3,000; price 37,108; amount 111,325,000; Eugene Investment & Securities; 00131054 2026.06.02: common shares; ordered 5,000; acquired 1,086; price 38,017; amount 41,286,950; Eugene Investment & Securities; 00131054 2026.06.04: common shares; ordered 3,000; acquired 1,500; price 39,267; amount 58,900,000; Eugene Investment & Securities; 00131054 2026.06.05: common shares; ordered 3,000; acquired 0; price 0; amount 0; Eugene Investment & Securities; 00131054 2026.06.08: common shares; ordered 3,000; acquired 3,000; price 38,799; amount 116,398,350; Eugene Investment & Securities; 00131054 2026.06.09: common shares; ordered 4,000; acquired 4,000; price 40,338; amount 161,350,000; Eugene Investment & Securities; 00131054 2026.06.10: common shares; ordered 2,000; acquired 2,000; price 39,988; amount 79,975,000; Eugene Investment & Securities; 00131054 2026.06.11: common shares; ordered 2,000; acquired 1,810; price 43,816; amount 79,306,400; Eugene Investment & Securities; 00131054 2026.06.12: common shares; ordered 2,000; acquired 2,000; price 43,050; amount 86,100,000; Eugene Investment & Securities; 00131054 2026.06.15: common shares; ordered 2,000; acquired 0; price 0; amount 0; Eugene Investment & Securities; 00131054 2026.06.23: common shares; ordered 5,000; acquired 2,000; price 39,155; amount 78,309,000; Eugene Investment & Securities; 00131054 2026.06.24: common shares; ordered 3,000; acquired 2,668; price 38,389; amount 102,422,825; Eugene Investment & Securities; 00131054 2026.06.25: common shares; ordered 3,000; acquired 1,500; price 40,083; amount 60,125,000; Eugene Investment & Securities; 00131054 2026.06.26: common shares; ordered 2,000; acquired 2,000; price 39,050; amount 78,100,000; Eugene Investment & Securities; 00131054 2026.06.29: common shares; ordered 4,000; acquired 0; price 0; amount 0; Eugene Investment & Securities; 00131054 2026.07.01: common shares; ordered 3,000; acquired 0; price 0; amount 0; Eugene Investment & Securities; 00131054 2026.07.02: common shares; ordered 3,000; acquired 3,000; price 46,273; amount 138,820,000; Eugene Investment & Securities; 00131054 2026.07.07: common shares; ordered 2,000; acquired 2,000; price 45,025; amount 90,050,000; Eugene Investment & Securities; 00131054 2026.07.13: common shares; ordered 2,000; acquired 517; price 44,900; amount 23,213,300; Eugene Investment & Securities; 00131054 2026.07.14: common shares; ordered 3,000; acquired 1,500; price 45,300; amount 67,950,000; Eugene Investment & Securities; 00131054 2026.07.15: common shares; ordered 3,000; acquired 4; price 45,050; amount 180,200; Eugene Investment & Securities; 00131054 2026.07.16: common shares; ordered 3,000; acquired 16; price 46,750; amount 748,000; Eugene Investment & Securities; 00131054 2026.07.20: common shares; ordered 5,000; acquired 0; price 0; amount 0; Eugene Investment & Securities; 00131054 2026.07.21: common shares; ordered 5,000; acquired 4,639; price 45,943; amount 213,129,050; Eugene Investment & Securities; 00131054 2026.07.22: common shares; ordered 5,000; acquired 5,000; price 45,509; amount 227,544,100; Eugene Investment & Securities; 00131054 2026.07.23: common shares; ordered 5,000; acquired 508; price 45,402; amount 23,064,000; Eugene Investment & Securities; 00131054 2026.07.24: common shares; ordered 10,000; acquired 10,000; price 44,885; amount 448,847,775; Eugene Investment & Securities; 00131054 2026.07.27: common shares; ordered 10,000; acquired 10,000; price 44,660; amount 446,595,400; Eugene Investment & Securities; 00131054 2026.07.28: common shares; ordered 10,000; acquired 10,000; price 44,248; amount 442,475,050; Eugene Investment & Securities; 00131054 2026.07.29: common shares; ordered 20,000; acquired 20,000; price 44,860; amount 897,195,000; Eugene Investment & Securities; 00131054 2026.07.30: common shares; ordered 20,000; acquired 20,000; price 45,146; amount 902,914,950; Eugene Investment & Securities; 00131054 2026.07.31: common shares; ordered 20,000; acquired 20,000; price 44,789; amount 895,777,550; Eugene Investment & Securities; 00131054 2026.08.03: common shares; ordered 20,000; acquired 20,000; price 43,871; amount 877,425,000; Eugene Investment & Securities; 00131054 2026.08.04: common shares; ordered 5,000; acquired 2,000; price 44,313; amount 88,625,000; Eugene Investment & Securities; 00131054 2026.08.05: common shares; ordered 6,000; acquired 6,000; price 44,133; amount 264,800,000; Eugene Investment & Securities; 00131054 2026.08.06: common shares; ordered 10,000; acquired 600; price 45,350; amount 27,210,000; Eugene Investment & Securities; 00131054 2026.08.07: common shares; ordered 18,552; acquired 18,552; price 46,480; amount 862,314,700; Eugene Investment & Securities; 00131054 2026.08.10: common shares; ordered 7; acquired 7; price 43,950; amount 307,650; Eugene Investment & Securities; 00131054 2026.08.11: common shares; ordered 1; acquired 1; price 44,350; amount 44,350; Eugene Investment & Securities; 00131054 Total: ordered 297,560; acquired 232,286; average price 43,050; total amount 9,999,979,950 Note: Dates are trade dates; the average acquisition price per share is total amount divided by quantity acquired and excludes brokerage fees.

4. Whether the planned and actual acquisition amounts match Planned acquisition amount (KRW): common shares 10,000,000,000; other-class shares - Actual total acquisition amount (KRW): common shares 9,999,979,950; other-class shares - Shortfall vs. plan: none; reason for shortfall: - Note: The company completed the treasury-share acquisition within the planned amount stated in its material event report (treasury-share acquisition decision).

5. Treasury-share holdings after the acquisition (as of August 11, 2026; KRW, shares, %) Common shares held under Article 165-3 of the Financial Investment Services and Capital Markets Act: 676,274 shares (1.27%), total value KRW 29,999,943,325 Held under an Article 165-3 trust contract: none Total: 676,274 shares (1.27%), KRW 29,999,943,325

6. Change in the largest shareholder's shareholding before and after the acquisition (as of August 11, 2026; shares) Piemonte Co., Ltd.: common shares 21,522,814 before and after the acquisition reporting period; no change; other-class shares none Total: common shares 21,522,814; combined total 21,522,814; no change