Treasury share acquisition: results report

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Taewonmulsan / Treasury Share Acquisition: Results Report

Treasury Share Acquisition: Results Report To the Governor of the Financial Supervisory Service August 31, 2026

Company name: Taewonmulsan Co., Ltd. Representative director: Nam Ki-young Head office address: 14 Teheran-ro 86-gil (Daechi-dong), Gangnam-gu, Seoul (Telephone) 02-555-4301 (Website) http://www.twms.co.kr Preparer: (Title) Executive Director (Name) Kim Jae-beom (Telephone) 02-555-4301

1. Name and address of the issuer (a) Name: Taewonmulsan Co., Ltd. (b) Address: 14 Teheran-ro 86-gil (Daechi-dong), Gangnam-gu, Seoul

2. Details of the acquisition report (a) Material event report filing date: June 22, 2026 (b) Acquisition period: From June 23, 2026 to August 28, 2026 * The above acquisition period is based on trade execution dates.

3. Acquisition details (Unit: KRW, shares), Date: Type; Order quantity; Acquired quantity; Price per share; Total acquisition amount; Brokerage; Financial investment business ID 2026-06-23: Common shares; 1,600; 1,600; 2,439; 3,901,925; NH Investment & Securities; 00120182 2026-06-24: Common shares; 1,600; 1,600; 2,545; 4,072,610; NH Investment & Securities; 00120182 2026-06-25: Common shares; 3,000; 3,000; 2,533; 7,598,200; NH Investment & Securities; 00120182 2026-06-26: Common shares; 4,000; 4,000; 2,500; 10,000,255; NH Investment & Securities; 00120182 2026-06-29: Common shares; 20,000; 20,000; 2,758; 55,164,332; NH Investment & Securities; 00120182 2026-06-30: Common shares; 20,000; 15,144; 2,993; 45,328,200; NH Investment & Securities; 00120182 2026-07-03: Common shares; 4,000; 4,000; 2,711; 10,842,690; NH Investment & Securities; 00120182 2026-07-06: Common shares; 2,000; 2,000; 2,767; 5,534,082; NH Investment & Securities; 00120182 2026-07-07: Common shares; 2,000; 2,000; 3,030; 6,059,830; NH Investment & Securities; 00120182 2026-07-08: Common shares; 2,000; 2,000; 2,938; 5,875,400; NH Investment & Securities; 00120182 2026-07-09: Common shares; 2,000; 2,000; 2,940; 5,879,690; NH Investment & Securities; 00120182 2026-07-10: Common shares; 2,000; 2,000; 2,988; 5,975,230; NH Investment & Securities; 00120182 2026-07-13: Common shares; 2,000; 2,000; 2,925; 5,849,925; NH Investment & Securities; 00120182 2026-07-14: Common shares; 2,000; 2,000; 2,762; 5,524,915; NH Investment & Securities; 00120182 2026-07-15: Common shares; 2,000; 2,000; 2,859; 5,717,980; NH Investment & Securities; 00120182 2026-07-16: Common shares; 2,000; 2,000; 2,890; 5,780,725; NH Investment & Securities; 00120182 2026-07-20: Common shares; 3,000; 3,000; 2,885; 8,655,565; NH Investment & Securities; 00120182 2026-07-21: Common shares; 3,000; 3,000; 2,814; 8,441,195; NH Investment & Securities; 00120182 2026-07-22: Common shares; 3,000; 3,000; 2,887; 8,661,610; NH Investment & Securities; 00120182 2026-07-23: Common shares; 3,000; 3,000; 2,881; 8,642,755; NH Investment & Securities; 00120182 2026-07-24: Common shares; 3,000; 3,000; 2,818; 8,453,170; NH Investment & Securities; 00120182 2026-07-27: Common shares; 4,000; 4,000; 2,794; 11,177,095; NH Investment & Securities; 00120182 2026-07-28: Common shares; 4,000; 4,000; 2,657; 10,626,605; NH Investment & Securities; 00120182 2026-07-29: Common shares; 6,000; 6,000; 2,575; 15,448,620; NH Investment & Securities; 00120182 2026-07-30: Common shares; 9,000; 9,000; 2,310; 20,791,625; NH Investment & Securities; 00120182 2026-07-31: Common shares; 9,000; 9,000; 2,535; 22,814,985; NH Investment & Securities; 00120182 2026-08-03: Common shares; 4,000; 4,000; 2,633; 10,531,950; NH Investment & Securities; 00120182 2026-08-04: Common shares; 4,000; 4,000; 2,653; 10,612,705; NH Investment & Securities; 00120182 2026-08-05: Common shares; 4,000; 4,000; 2,686; 10,745,755; NH Investment & Securities; 00120182 2026-08-06: Common shares; 5,000; 5,000; 2,624; 13,120,780; NH Investment & Securities; 00120182 2026-08-07: Common shares; 9,000; 9,000; 2,519; 22,671,995; NH Investment & Securities; 00120182 2026-08-10: Common shares; 9,000; 9,000; 2,648; 23,831,359; NH Investment & Securities; 00120182 2026-08-11: Common shares; 7,000; 7,000; 2,828; 19,798,650; NH Investment & Securities; 00120182 2026-08-12: Common shares; 4,000; 4,000; 2,644; 10,574,425; NH Investment & Securities; 00120182 2026-08-14: Common shares; 4,000; 4,000; 2,017; 8,067,661; NH Investment & Securities; 00120182 2026-08-18: Common shares; 20,000; 20,000; 2,118; 42,355,622; NH Investment & Securities; 00120182 2026-08-19: Common shares; 20,000; 20,000; 2,154; 43,072,015; NH Investment & Securities; 00120182 2026-08-20: Common shares; 30,000; 30,000; 2,144; 64,321,205; NH Investment & Securities; 00120182 2026-08-21: Common shares; 31,000; 31,000; 2,249; 69,715,440; NH Investment & Securities; 00120182 2026-08-24: Common shares; 20,000; 20,000; 2,525; 50,509,775; NH Investment & Securities; 00120182 2026-08-25: Common shares; 15,000; 15,000; 2,534; 38,011,705; NH Investment & Securities; 00120182 2026-08-26: Common shares; 15,000; 15,000; 2,606; 39,096,855; NH Investment & Securities; 00120182 2026-08-27: Common shares; 3,961; 3,961; 2,477; 9,811,660; NH Investment & Securities; 00120182 2026-08-28: Common shares; 137; 137; 2,410; 330,195; NH Investment & Securities; 00120182 Total: Order quantity 324,298; Acquired quantity 319,442; Average price per share 2,504; Total acquisition amount 799,998,966

Note 1: The above dates are trade execution dates. Note 2: The price per share and total acquisition amount above exclude brokerage commission. Note 3: The price per share is the average acquisition unit price, rounded to the nearest whole won.

4. Consistency between planned and actual acquisition Planned acquisition amount (KRW): Common shares: 799,999,740; Other-class shares: - Total actual acquisition amount (KRW): Common shares: 799,998,966; Other-class shares: - Whether the planned amount was not reached: - Reason if shortfall occurred: - Note 1: The Company completed the treasury share acquisition within the planned acquisition amount disclosed in its Material Event Report (Treasury Share Acquisition Decision, 2026.06.22); the difference between the planned acquisition amount and the total acquisition amount is less than the price of one share. Due to share price fluctuations, etc. during the acquisition period, a difference arose between the planned acquisition quantity (329,218 shares) and the actual acquired quantity (319,442 shares).

5. Treasury share holdings after the acquisition [as of August 31, 2026] (Unit: KRW, shares, %) Holdings under Article 165-3 (A): Common shares, quantity: 586,335; ratio: 7.71; total value: 1,594,227,747 Holdings under trust contracts per Article 165-3 (B): Common shares, quantity: -; ratio: -; contract amount: - Total (A+B): Common shares, quantity: 586,335; ratio: 7.71; amount: 1,594,227,747 - The "total value" and "amount" above are book values including brokerage commission.

6. Changes in the largest shareholder's shareholding before and after the acquisition [as of August 31, 2026] (Unit: shares) Nam Ki-young, Common shares: before 835,435; after 835,435; reason for change: - Total, Common shares: before 835,435; after 835,435; Other-class shares: before -; after - Grand total: before 835,435; after 835,435