Mirae Asset Raises Stake to 11.10% (+0.53%p) — DB HiTek

Summary

Mirae Asset Global Investments, a 10%+ major shareholder, increased its holdings from 4,599,432 shares (10.57%) to 4,827,371 shares (11.10%) as of May 20, 2026, a net increase of 227,939 shares. The change was driven primarily by ETF creation/redemption activity along with on-market buying and selling across May 14-20. While the headline shows accumulation, most of the activity reflects index-related flows rather than directional conviction. The continued holding above the 10% threshold maintains Mirae Asset's status as a major shareholder requiring ongoing disclosure.

Historical Impact

10 past Insider Ownership Change · ≈ Form 4 events at DB HiTek

Median +5d

-3.71%

Range

-21.52% to +19.31%

Positive outcomes

3/10

Filed	P₀	P₊₅	+5d
Jun 25, 2026	₩158,000	₩124,000	-21.52%
Jun 18, 2026	₩154,500	₩162,700	+5.31%

Full Translation

Report on Ownership of Specified Securities by Executives and Major Shareholders To: Securities and Futures Commission To: Korea Exchange Date of reporting obligation: May 14, 2026 Report reference date: May 20, 2026 The reporting party hereby confirms that, as of the report reference date, the ownership status of specified securities has been accurately prepared in accordance with relevant laws and instructions, with no material misstatements or omissions. Reporting Party: Mirae Asset Global Investments Co., Ltd. 1. Information on the Issuing Company - Company Name: DB HiTek Co., Ltd. - Corporate Type: KOSPI-listed corporation - Company Code: 000990 - Total Issued Shares: 43,504,588 2. Information on the Reporting Party - Report Type: Change - Reporter Category: Financial institution - Name (Korean): Mirae Asset Global Investments Co., Ltd. - Name (English): Mirae Asset Global Investments - Business Registration Number: 211-86-23290 - Address: 33 Jongno, Jongno-gu, Seoul - Relationship with Issuer: Major shareholder (10%+ holder) - Contact: Stewardship Team, Senior Manager Seo Yeon-woo 3. Ownership Status of Specified Securities A. Number and Ratio of Securities Owned - Prior report (May 13, 2026): 4,599,432 shares (10.57%) - Current report (May 20, 2026): 4,827,371 shares (11.10%) - Change: +227,939 shares (+0.53%p) B. Ownership by Type - Common shares: 4,827,371 shares (11.10%) - No convertible bonds, BWs, or other securities held - Total shares outstanding: 43,504,588 C. Detailed Change History (May 14-20, 2026) May 14, 2026: - On-market sale: -32,026 shares @ KRW 166,739 - On-market buy: +2,219 shares @ KRW 165,800 - Other (+): +24,852 shares (return of lent stock) - Other (-): -18,200 shares @ KRW 186,700 (general fund OTC ETF creation) - Other (+): +150,208 shares @ KRW 165,800 (ETF creation) - Other (-): -63,828 shares @ KRW 165,800 (ETF redemption) May 15, 2026: - On-market sale: -46 shares @ KRW 183,041 - On-market buy: +40,534 shares @ KRW 181,306 - Lending (-): -36,400 shares @ KRW 182,800 - Other (-): -25,480 shares @ KRW 165,800 (general fund OTC ETF creation) - Other (+): +115,025 shares @ KRW 185,600 (ETF creation) - Other (-): -6,552 shares @ KRW 185,600 (ETF redemption) May 18, 2026: - On-market sale: -27,816 shares @ KRW 180,969 - Other (+): +1,325 shares (return of lent stock) - Other (-): -7,280 shares @ KRW 185,600 (general fund OTC ETF creation) - Other (+): +78,574 shares @ KRW 182,800 (ETF creation) - Other (-): -30,708 shares @ KRW 182,800 (ETF redemption) May 19, 2026: - On-market sale: -90,251 shares @ KRW 168,722 - On-market buy: +1,016 shares @ KRW 167,038 - Lending (-): -5,140 shares @ KRW 170,900 - Other (+): +23,570 shares (return of lent stock) - Other (+): +131,169 shares @ KRW 163,500 (ETF creation) - Other (-): -26,224 shares @ KRW 163,500 (ETF redemption) May 20, 2026: - On-market buy: +15,000 shares @ KRW 172,748 - Other (+): +18,057 shares (return of lent stock) - Other (+): +39,856 shares @ KRW 170,900 (ETF creation) - Other (-): -43,515 shares @ KRW 170,900 (ETF redemption) Total: Before 4,599,432 → Change +227,939 → After 4,827,371 * For securities market transactions, the contract settlement date is used. ** For non-stock securities, the figure represents the exercise/conversion/exchange price or the trading unit price of shares acquired/disposed through rights exercise.