Treasury share acquisition: results report

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Treasury Share Acquisition: Results Report 6.0

BIT Computer Co., Ltd.

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

Company name: BIT Computer Co., Ltd. Representative Directors: Cho Hyun-jung, Jeon Jin-ok Head office address: 33 Seocho-daero 74-gil, Seocho-gu, Seoul (Seocho-dong) (Phone) 02-3486-1234 (Website) http://www.bit.kr Preparer: (Title) Director (Name) Yoon Jung-gu (Phone) 02-3486-1234

1. Name and address of the issuer (a) Name: BIT Computer Co., Ltd. (b) Address: 33 Seocho-daero 74-gil, Seocho-gu, Seoul (Seocho-dong)

2. Matters concerning the acquisition report (a) Material event report filing date: 2026-07-29 (b) Acquisition period: from 2026-07-30 to 2026-08-26 * The above acquisition period is based on trade execution dates.

3. Acquisition details (unit: KRW, shares) 2026-07-30: Order quantity 26,000; Acquired quantity 13,480; Price per share (KRW) 3,688; Total acquisition amount (KRW) 49,720,370; Brokerage IBK Securities (code 00684918) 2026-07-31: Order quantity 26,000; Acquired quantity 26,000; Price per share (KRW) 3,790; Total acquisition amount (KRW) 98,535,000; Brokerage IBK Securities (code 00684918) 2026-08-03: Order quantity 26,000; Acquired quantity 19,033; Price per share (KRW) 3,966; Total acquisition amount (KRW) 75,484,195; Brokerage IBK Securities (code 00684918) 2026-08-04: Order quantity 26,000; Acquired quantity 6,242; Price per share (KRW) 4,036; Total acquisition amount (KRW) 25,194,880; Brokerage IBK Securities (code 00684918) 2026-08-05: Order quantity 26,000; Acquired quantity 3,000; Price per share (KRW) 4,149; Total acquisition amount (KRW) 12,447,115; Brokerage IBK Securities (code 00684918) 2026-08-06: Order quantity 26,000; Acquired quantity 9,497; Price per share (KRW) 4,125; Total acquisition amount (KRW) 39,177,670; Brokerage IBK Securities (code 00684918) 2026-08-07: Order quantity 26,000; Acquired quantity 20,148; Price per share (KRW) 4,122; Total acquisition amount (KRW) 83,049,580; Brokerage IBK Securities (code 00684918) 2026-08-10: Order quantity 26,000; Acquired quantity 17,000; Price per share (KRW) 4,142; Total acquisition amount (KRW) 70,420,000; Brokerage IBK Securities (code 00684918) 2026-08-11: Order quantity 26,000; Acquired quantity 9,603; Price per share (KRW) 4,201; Total acquisition amount (KRW) 40,340,540; Brokerage IBK Securities (code 00684918) 2026-08-12: Order quantity 26,000; Acquired quantity 1,980; Price per share (KRW) 4,195; Total acquisition amount (KRW) 8,306,100; Brokerage IBK Securities (code 00684918) 2026-08-13: Order quantity 26,000; Acquired quantity 21,000; Price per share (KRW) 4,185; Total acquisition amount (KRW) 87,875,000; Brokerage IBK Securities (code 00684918) 2026-08-14: Order quantity 26,000; Acquired quantity 14,376; Price per share (KRW) 4,179; Total acquisition amount (KRW) 60,075,400; Brokerage IBK Securities (code 00684918) 2026-08-18: Order quantity 26,000; Acquired quantity 19,584; Price per share (KRW) 4,104; Total acquisition amount (KRW) 80,370,200; Brokerage IBK Securities (code 00684918) 2026-08-19: Order quantity 26,000; Acquired quantity 12,000; Price per share (KRW) 4,045; Total acquisition amount (KRW) 48,535,000; Brokerage IBK Securities (code 00684918) 2026-08-20: Order quantity 26,000; Acquired quantity 6,301; Price per share (KRW) 4,086; Total acquisition amount (KRW) 25,745,070; Brokerage IBK Securities (code 00684918) 2026-08-21: Order quantity 26,000; Acquired quantity 15,838; Price per share (KRW) 4,021; Total acquisition amount (KRW) 63,686,860; Brokerage IBK Securities (code 00684918) 2026-08-24: Order quantity 26,000; Acquired quantity 11,909; Price per share (KRW) 4,013; Total acquisition amount (KRW) 47,786,910; Brokerage IBK Securities (code 00684918) 2026-08-25: Order quantity 20,000; Acquired quantity 20,000; Price per share (KRW) 3,951; Total acquisition amount (KRW) 79,020,000; Brokerage IBK Securities (code 00684918) 2026-08-26: Order quantity 1,445; Acquired quantity 1,445; Price per share (KRW) 4,050; Total acquisition amount (KRW) 5,852,250; Brokerage IBK Securities (code 00684918) Total: Order quantity 463,445; Acquired quantity 248,436; Average price per share (KRW) 4,032; Total acquisition amount (KRW) 1,001,622,140 * The above dates are based on trade execution dates, and the price per share is the average unit price. * The price per share and total acquisition amount above do not include brokerage fees.

4. Whether the planned acquisition matches the actual acquisition Planned acquisition amount (KRW): Common shares 1,001,622,500; Other shares - Not applicable Actual total acquisition amount (KRW): Common shares 1,001,622,140; Other shares - Not applicable Shortfall: No * 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 2026-07-29; the difference is less than the price of one share. * A difference arose between the planned acquisition quantity (260,500 shares) and the actual acquisition quantity (248,436 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 2,470,238; Ratio 14.9%; Total value KRW 12,275,650,407; Holding under a trust agreement per Article 165-3 (B) - Not applicable; Total (A+B) - Quantity 2,470,238; Ratio 14.9%; Amount KRW 12,275,650,407 Total: Quantity 2,470,238; Ratio 14.9%; Amount KRW 12,275,650,407 * The quantity under "Holding under Article 165-3 (A)" above includes 26,621 treasury shares acquired from odd-lot share handling, etc. * The "total value" under "Holding under Article 165-3 (A)" above is the book value including brokerage fees.

6. Changes in the largest shareholder's shareholding before and after the acquisition [as of 2026-08-28] (unit: shares) Name: Cho Hyun-jung; Type of shares: Common shares; Shares held at acquisition report date: 4,143,920; Shares held at acquisition end date: 4,143,920; Reason for change: Not applicable Total: Common shares 4,143,920 to 4,143,920; Reason for change: Not applicable