Treasury share acquisition: results report

What happened

Treasury Share Acquisition: Results Report 6.0

KM Pharmaceutical Co., Ltd.

Treasury Share Acquisition: Results Report To the Governor of the Financial Supervisory Service August 28, 2026

Company name: KM Pharmaceutical Co., Ltd. Representative Director: Baik Brian Seung Won Head office address: 121 Pyeongtaekhang-ro 268beon-gil, Poseung-eup, Pyeongtaek-si, Gyeonggi-do (Phone) 02-3477-8422 (Website) http://www.kmkmp.com Preparer: (Title) Managing Director (Name) Hwang Min-young (Phone) 070-8680-1973

1. Name and address of the issuer (a) Name: KM Pharmaceutical Co., Ltd. (b) Address: 121 Pyeongtaekhang-ro 268beon-gil, Poseung-eup, Pyeongtaek-si, Gyeonggi-do

2. Matters concerning the acquisition report (a) Material event report filing date: 2026-07-27 (b) Acquisition period: from 2026-08-10 to 2026-08-26

3. Acquisition details (unit: KRW, shares) 2026-08-10: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,789; Total acquisition amount (KRW) 37,148,118; Brokerage IBK Securities (code 00684918) 2026-08-11: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,758; Total acquisition amount (KRW) 36,499,847; Brokerage IBK Securities (code 00684918) 2026-08-12: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,809; Total acquisition amount (KRW) 37,569,506; Brokerage IBK Securities (code 00684918) 2026-08-13: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,771; Total acquisition amount (KRW) 36,788,318; Brokerage IBK Securities (code 00684918) 2026-08-14: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,764; Total acquisition amount (KRW) 36,633,275; Brokerage IBK Securities (code 00684918) 2026-08-18: Order quantity 20,761; Acquired quantity 19,382; Price per share (KRW) 1,682; Total acquisition amount (KRW) 32,606,159; Brokerage IBK Securities (code 00684918) 2026-08-19: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,728; Total acquisition amount (KRW) 35,887,411; Brokerage IBK Securities (code 00684918) 2026-08-20: Order quantity 20,761; Acquired quantity 20,761; Price per share (KRW) 1,705; Total acquisition amount (KRW) 35,408,842; Brokerage IBK Securities (code 00684918) 2026-08-21: Order quantity 6,780; Acquired quantity 6,780; Price per share (KRW) 1,598; Total acquisition amount (KRW) 10,837,172; Brokerage IBK Securities (code 00684918) 2026-08-24: Order quantity 399; Acquired quantity 399; Price per share (KRW) 1,523; Total acquisition amount (KRW) 607,756; Brokerage IBK Securities (code 00684918) 2026-08-25: Order quantity 8; Acquired quantity 8; Price per share (KRW) 1,476; Total acquisition amount (KRW) 11,808; Brokerage IBK Securities (code 00684918) 2026-08-26: Order quantity 1; Acquired quantity 1; Price per share (KRW) 1,524; Total acquisition amount (KRW) 1,524; Brokerage IBK Securities (code 00684918) Total: Order quantity 173,276; Acquired quantity 171,897; Average price per share (KRW) 1,745; Total acquisition amount (KRW) 299,999,736 Note 1) The "date" above is based on trade execution dates; the "price per share" and "total acquisition amount" exclude brokerage fees. Note 2) The "price per share" above is the total transaction value for that date divided by the acquired quantity.

4. Whether the planned acquisition matches the actual acquisition Planned acquisition amount (KRW): Common shares 300,000,000; Other shares - Not applicable Actual total acquisition amount (KRW): Common shares 299,999,736; Other shares - Not applicable Shortfall: No Note 1) The Company completed the acquisition as close as possible to the planned acquisition amount disclosed in the material event report (treasury share acquisition decision) dated 2026-07-27; the difference is less than the price of one share. Note 2) A difference arose between the planned acquisition quantity (207,612 shares) and the actual acquisition quantity (171,897 shares) due to share-price movements during the treasury share acquisition period.

5. Treasury share holding status after acquisition [as of 2026-08-28] (unit: KRW, shares, %) Common shares: Holding under Article 165-3 (A) - Quantity 171,897; Ratio 2.65%; Total value KRW 300,299,356; Holding under a trust agreement per Article 165-3 (B) - Not applicable; Total (A+B) - Quantity 171,897; Ratio 2.65%; Amount KRW 300,299,356 Total: Quantity 171,897; Ratio 2.65%; Amount KRW 300,299,356 Note 1) The "ratio" above is the ratio of treasury shares to the total issued common shares (6,485,675 shares) as of the filing date of this report. Note 2) The "total value" and "amount" above are the book value including brokerage fees. Note 3) The Company holds, in addition to the above, treasury shares consisting of 7 odd-lot shares (39 shares before the share consolidation) arising from the merger with IBKS No.3 Special Purpose Acquisition Co., Ltd. on 2018-09-12, and 2,336 odd-lot shares arising from the share consolidation (par-value consolidation) resolved at the 11th annual general meeting of shareholders held on 2026-03-31. However, because these treasury shares do not fall within the shares acquired under Article 165-3 of the Financial Investment Services and Capital Markets Act (A+B), they are excluded from "5. Treasury share holding status after acquisition" above.

6. Changes in the largest shareholder's shareholding before and after the acquisition [as of 2026-08-28] (unit: KRW, shares, %) Name: Kang Il-mo; Type of shares: Common shares; Shares held at acquisition report date: 2,118,372; Shares held at acquisition end date: 2,119,662; Reason for change: On-market purchase Total: Common shares 2,118,372 to 2,119,662; Reason for change: On-market purchase